342 Engine parts are listed for the 1990 Honda Prelude, in 43 part types, covering both the 2.0L L4 DOHC and the 2.0L L4 SOHC. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1990 Honda Prelude, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. Most of the listed parts are Camshaft Seal (26 parts), Oil (21 parts) and Crankshaft Seal (20 parts). The other 40 part types cover the remaining 275 parts.
The 1990 Honda Prelude was sold with both the 2.0L L4 DOHC and the 2.0L L4 SOHC. 151 parts fit every engine; the other 191 are engine-specific. Each part shows which engine(s) it fits.
62 brands supply engine parts for the 1990 Honda Prelude, led by ITM ENGINE COMPONENTS (36 parts), TOPLINE (30 parts) and APEX (24 parts), plus 59 more brands. Quality grades include Standard Replacement, Economy and High Performance.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1990 Honda Prelude. 71 parts have it, including CONTINENTAL CS11429 (Camshaft Seal) and KING ENGINE BEARINGS CR439XP (Connecting Rod Bearing). Each part number opens a page with every vehicle that part fits.
Camshaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER Fits: 2.0L L4 DOHC | SR3460 | 🇺🇸 US 🇨🇦 CA | 11.13 mm Width33.53 mm Outside Diameter | View on Amazon |
This table covers the wear sleeves used to restore a Camshaft seal surface.
This group shows a single part: SCHAEFFLER SR3460.
Camshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Popular Fits: all 1990 Prelude engines | CS11429 | 🇺🇸 US 🇨🇦 CA | Front29x45x8mm | View on Amazon |
| FEL-PRO Popular Fits: 2.0L L4 DOHC | TCS45718 | 🇺🇸 US 🇨🇦 CA | KitDust Seals Not Included | View on Amazon |
| FEL-PRO Popular Fits: 2.0L L4 SOHC | TCS45620 | 🇺🇸 US 🇨🇦 CA | Dust Seals Not Included | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 2.0L L4 DOHC | 66580 | 🇺🇸 US 🇨🇦 CA | Rubber | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 2.0L L4 SOHC | 67604 | 🇺🇸 US 🇨🇦 CA | Rubber | View on Amazon |
| APEX Fits: 2.0L L4 DOHC | ATC1120 | 🇺🇸 US 🇨🇦 CA | Frontwithout Dust Seals | View on Amazon |
| APEX Fits: 2.0L L4 DOHC | ATC1121 | 🇺🇸 US 🇨🇦 CA | Frontwith Dust seals | View on Amazon |
| APEX Fits: 2.0L L4 SOHC | ATC1000 | 🇺🇸 US 🇨🇦 CA | Frontwithout Dust Seals | View on Amazon |
| APEX Fits: 2.0L L4 SOHC | ATC1090 | 🇺🇸 US 🇨🇦 CA | Frontwith Dust seals | View on Amazon |
| AUTO EXTRA Fits: 2.0L L4 DOHC | 222743 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BCA Fits: 2.0L L4 DOHC | NS222743 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BCA Fits: 2.0L L4 SOHC | NS320595 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ELRING Fits: 2.0L L4 SOHC | 591777 | 🇺🇸 US 🇨🇦 CA | material: NBR (nitrile butadiene rubber) | View on Amazon |
| ELRING Fits: 2.0L L4 SOHC | 012160 | 🇺🇸 US 🇨🇦 CA | Material: MVQ (silicone rubber) | View on Amazon |
| FAMOUS BRAND Fits: 2.0L L4 DOHC | 207632850 | 🇺🇸 US 🇨🇦 CA | PDL | View on Amazon |
| FEL-PRO Fits: 2.0L L4 SOHC | TCS45872 | 🇺🇸 US 🇨🇦 CA | Type: Camshaft Front Seal Setwith Dust seals | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | 1500903 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | 1500907 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NATIONAL Fits: 2.0L L4 DOHC | 222743 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NATIONAL Fits: 2.0L L4 SOHC | 320595 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKF Fits: 2.0L L4 DOHC | 10634 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKF Fits: 2.0L L4 SOHC | 11429 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 2.0L L4 DOHC | 815321900 | 🇺🇸 US 🇨🇦 CA | FrontDust Seals not Included | View on Amazon |
| VICTOR REINZ Fits: 2.0L L4 SOHC | 815322400 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| WJB / INMOTION PARTS Fits: 2.0L L4 DOHC | WS222743 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS Fits: 2.0L L4 SOHC | WS320595 | 🇺🇸 US 🇨🇦 CA | SOHC | View on Amazon |
This table covers the seals at each camshaft end. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
26 Camshaft Seal parts for the 1990 Honda Prelude come from 13 brands — APEX, FEL-PRO, MAHLE / CLEVITE and 10 other brands. The "Popular" part is CONTINENTAL CS11429. A list this long means Camshaft Seal applications vary by configuration — the notes carry the qualifiers.
Connecting Rod
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOPLINE Fits: 2.0L L4 DOHC | CRH23 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 2.0L L4 SOHC | CRH19 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the connecting rods between each piston and the crankshaft.
TOPLINE supplies both parts for the 1990 Honda Prelude.
This group includes TOPLINE CRH23 and TOPLINE CRH19.
Connecting Rod Bearing
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Popular Fits: 2.0L L4 SOHC | CR439XP | 🇺🇸 US 🇨🇦 CA | SetPmaxblack | View on Amazon |
| KING ENGINE BEARINGS Fits: 2.0L L4 DOHC | CR4033XP | 🇺🇸 US 🇨🇦 CA | SetPmaxblack | View on Amazon |
| KING ENGINE BEARINGS Fits: 2.0L L4 SOHC | CR439XPC | 🇺🇸 US 🇨🇦 CA | pmaxkote, polymer coatedSet | View on Amazon |
| KING ENGINE BEARINGS Fits: 2.0L L4 SOHC | CR439XPCX | 🇺🇸 US 🇨🇦 CA | pmaxkote, polymer coatedSet | View on Amazon |
| KING ENGINE BEARINGS Fits: 2.0L L4 SOHC | CR439XPD | 🇺🇸 US 🇨🇦 CA | SetPmaxblack | View on Amazon |
| MAHLE / CLEVITE Fits: 2.0L L4 DOHC | CB1780H | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
| MAHLE / CLEVITE Fits: 2.0L L4 DOHC | CB1780HX | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINETECH Popular Fits: 2.0L L4 DOHC | BB1520 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| KING ENGINE BEARINGS Popular Fits: 2.0L L4 SOHC | CR439AM | 🇺🇸 US 🇨🇦 CA | SetBI-Metal (aluminum base) | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 2.0L L4 DOHC | CB1780P | 🇺🇸 US 🇨🇦 CA | P Series (Tri-Metal)Pair | View on Amazon |
| MAHLE / CLEVITE Popular Fits: 2.0L L4 DOHC | CB1780P4 | 🇺🇸 US 🇨🇦 CA | P Series (Tri-Metal)Set | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | 4B9544 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| KING ENGINE BEARINGS Fits: 2.0L L4 DOHC | CR4033AM | 🇺🇸 US 🇨🇦 CA | BI-Metal (aluminum base)Set | View on Amazon |
| SEALED POWER Fits: 2.0L L4 DOHC | 41825CP | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| SEALED POWER Fits: 2.0L L4 DOHC | 47195CH | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| SEALED POWER Fits: 2.0L L4 SOHC | 41495CP | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| TOPLINE Fits: 2.0L L4 DOHC | RBH20 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| TOPLINE Fits: 2.0L L4 SOHC | RBH15 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
18 Connecting Rod Bearing parts are listed for the 1990 Honda Prelude, from KING ENGINE BEARINGS, MAHLE / CLEVITE, SEALED POWER and 3 other brands. KING ENGINE BEARINGS CR439XP carries the "Popular" badge.
In the High Performance grade, KING ENGINE BEARINGS and MAHLE / CLEVITE supply 7 parts: engineered beyond original-equipment specification. A representative part number is KING ENGINE BEARINGS CR439XP.
The Standard Replacement section lists 11 options from SEALED POWER, KING ENGINE BEARINGS, MAHLE / CLEVITE and 3 other brands — built to original-equipment specification. ENGINETECH BB1520 is listed in this group.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: 2.0L L4 DOHC | ACS1012 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AJUSA Fits: all 1990 Prelude engines | 54068900 | 🇺🇸 US 🇨🇦 CA | Engine # B20A3,B20A4 | View on Amazon |
| APEX Fits: 2.0L L4 SOHC | ACS1009 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO Fits: 2.0L L4 DOHC | CS91241 | 🇺🇸 US 🇨🇦 CA | Permadry Rubber Oil Pan Gasket(s) Included | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines | 0920929 | 🇺🇸 US 🇨🇦 CA | Set does Not contain engine Oil seals | View on Amazon |
| TOPLINE Fits: all 1990 Prelude engines | CBSH19 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 2.0L L4 DOHC | 081185601 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
7 Conversion / Lower Gasket Set parts are listed for the 1990 Honda Prelude, from APEX, AJUSA, FEL-PRO and 3 other brands. APEX ACS1012 carries the "Popular" badge. 3 parts fit every engine; the other 4 are engine-specific.
Part numbers include APEX ACS1012, AJUSA 54068900 and APEX ACS1009, among others listed above.
Crankshaft Main Bearing
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Fits: all 1990 Prelude engines | MB5568XP | 🇺🇸 US 🇨🇦 CA | PmaxblackSet | View on Amazon |
| MAHLE / CLEVITE Fits: all 1990 Prelude engines | MS1804H | 🇺🇸 US 🇨🇦 CA | High PerformanceH Series (Tri-Metal) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Popular Fits: all 1990 Prelude engines | MB5568AM | 🇺🇸 US 🇨🇦 CA | BI-Metal (aluminum base)Set | View on Amazon |
| MAHLE / CLEVITE Popular Fits: all 1990 Prelude engines | MS1804P | 🇺🇸 US 🇨🇦 CA | P Series (Tri-Metal)Set | View on Amazon |
| ENGINETECH Fits: all 1990 Prelude engines | BC1516 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines | 5M9350 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| MAHLE / CLEVITE Fits: all 1990 Prelude engines | MS1804A | 🇺🇸 US 🇨🇦 CA | A Series (Aluminum)Set | View on Amazon |
| SEALED POWER Fits: all 1990 Prelude engines | 7102M | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| TOPLINE Fits: all 1990 Prelude engines | TWH16 | 🇺🇸 US 🇨🇦 CA | Thrust Bearing | View on Amazon |
| TOPLINE Fits: all 1990 Prelude engines | MBH16 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
10 Crankshaft Main Bearing parts for the 1990 Honda Prelude come from 6 brands — MAHLE / CLEVITE, KING ENGINE BEARINGS, TOPLINE and 3 other brands. The "Popular" part is KING ENGINE BEARINGS MB5568AM. Every part fits both the 2.0L L4 DOHC and the 2.0L L4 SOHC.
The High Performance section: 2 options from KING ENGINE BEARINGS and MAHLE / CLEVITE. KING ENGINE BEARINGS MB5568XP is listed in this group.
Standard Replacement: 8 parts, from MAHLE / CLEVITE, TOPLINE, KING ENGINE BEARINGS and 3 other brands. A representative part number is KING ENGINE BEARINGS MB5568AM.
Crankshaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular Fits: all 1990 Prelude engines | NS99315 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| TIMKEN Popular Fits: all 1990 Prelude engines | KWK99147 | 🇺🇸 US 🇨🇦 CA | Kwik-Sleeve | View on Amazon |
| FEL-PRO Fits: all 1990 Prelude engines | 16275 | 🇺🇸 US 🇨🇦 CA | RearUse with Installation tool | View on Amazon |
| SCHAEFFLER Fits: all 1990 Prelude engines | SR3476 | 🇺🇸 US 🇨🇦 CA | Front16.99 mm Width | View on Amazon |
| SKF Fits: all 1990 Prelude engines | 99313 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| TIMKEN Fits: all 1990 Prelude engines | KWK99315 | 🇺🇸 US 🇨🇦 CA | Kwik-Sleeve | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1990 Prelude engines | WS99317 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the sleeves used to restore a grooved crankshaft seal surface.
7 Crankshaft Repair Sleeve parts for the 1990 Honda Prelude come from 6 brands — TIMKEN, BCA, FEL-PRO and 3 other brands. The "Popular" part is BCA NS99315. Every part fits both the 2.0L L4 DOHC and the 2.0L L4 SOHC.
Part numbers include BCA NS99315, TIMKEN KWK99147 and FEL-PRO 16275, among others listed above.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: all 1990 Prelude engines | ABS100 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| FEL-PRO Popular Fits: all 1990 Prelude engines | BS40430 | 🇺🇸 US 🇨🇦 CA | Rubber | View on Amazon |
| MAHLE / CLEVITE Popular Fits: all 1990 Prelude engines | 67121 | 🇺🇸 US 🇨🇦 CA | RubberFront | View on Amazon |
| NATIONAL Popular Fits: all 1990 Prelude engines | 228015 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| VICTOR REINZ Popular Fits: 2.0L L4 DOHC | 181007301 | 🇺🇸 US 🇨🇦 CA | SetRubber | View on Amazon |
| AJUSA Fits: all 1990 Prelude engines | 15061500 | 🇺🇸 US 🇨🇦 CA | Rear80 x 100 x 10 | View on Amazon |
| APEX Fits: all 1990 Prelude engines | ATC1091 | 🇺🇸 US 🇨🇦 CA | Frontwithout Dust Seals | View on Amazon |
| APEX Fits: 2.0L L4 DOHC | ATC1122 | 🇺🇸 US 🇨🇦 CA | Frontwith Dust seals | View on Amazon |
| APEX Fits: 2.0L L4 SOHC | ATC1092 | 🇺🇸 US 🇨🇦 CA | Frontwith Dust seals | View on Amazon |
| BCA Fits: all 1990 Prelude engines | NS228015 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| ELRING Fits: 2.0L L4 SOHC | 468670 | 🇺🇸 US 🇨🇦 CA | Dust Cover: with Dust LipMaterial: FPM (Fluoride Rubber) | View on Amazon |
| FEL-PRO Fits: all 1990 Prelude engines | TCS458731 | 🇺🇸 US 🇨🇦 CA | Frontwithout Dust Seals | View on Amazon |
| FEL-PRO Fits: 2.0L L4 SOHC | TCS45873 | 🇺🇸 US 🇨🇦 CA | SOHCCrankshaft Front Seal Set | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines | 1500910 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| SCHAEFFLER Fits: all 1990 Prelude engines | SS3346 | 🇺🇸 US 🇨🇦 CA | Sealing Material: Viton | View on Amazon |
| SCHAEFFLER Fits: all 1990 Prelude engines | SS3342 | 🇺🇸 US 🇨🇦 CA | Sealing Material: Silicone | View on Amazon |
| SKF Fits: all 1990 Prelude engines | 31511 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| TIMKEN Fits: all 1990 Prelude engines | 228015 | 🇺🇸 US 🇨🇦 CA | Helix Type: CW-Clock Wise | View on Amazon |
| VICTOR REINZ Fits: all 1990 Prelude engines | 815332300 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1990 Prelude engines | WS1120 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
20 Crankshaft Seal parts for the 1990 Honda Prelude come from 13 brands — APEX, FEL-PRO, VICTOR REINZ and 10 other brands. The "Popular" part is APEX ABS100. 15 parts fit every engine; the other 5 are engine-specific.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1990 Prelude engines | 9124PT1 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| APEX Fits: all 1990 Prelude engines | AHG109 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ELRING Fits: 2.0L L4 SOHC | 704620 | 🇺🇸 US 🇨🇦 CA | Diameter [MM]: 82 | View on Amazon |
| MAHLE / CLEVITE Fits: all 1990 Prelude engines | 5823 | 🇺🇸 US 🇨🇦 CA | Graphite | View on Amazon |
| TOPLINE Fits: all 1990 Prelude engines | HDGH19 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 2.0L L4 DOHC | 615237500 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
6 Cylinder Head Gasket parts are listed for the 1990 Honda Prelude, from FEL-PRO, APEX, ELRING and 3 other brands. FEL-PRO 9124PT1 carries the "Popular" badge. 4 parts fit every engine; the other 2 are engine-specific.
Listed part numbers: FEL-PRO 9124PT1, APEX AHG109 and ELRING 704620, plus the other parts above.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: 2.0L L4 DOHC | AHS1012 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| APEX Popular Fits: 2.0L L4 SOHC | AHS1009 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ENGINETECH Popular Fits: 2.0L L4 DOHC | HO20HSE | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ENGINETECH Popular Fits: 2.0L L4 SOHC | HO20HSD | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO Fits: 2.0L L4 SOHC | HS9124PT2 | 🇺🇸 US 🇨🇦 CA | Includes Valve Stem SealsPermadry® molded rubber valve cover gskt. incl. | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | 0910945 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | 0910938 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| MAHLE / CLEVITE Fits: 2.0L L4 DOHC | HS5823X | 🇺🇸 US 🇨🇦 CA | Includes Valve Stem Seals | View on Amazon |
| OMNI 5 Fits: 2.0L L4 SOHC | PWC10938 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 2.0L L4 DOHC | HSH19L | 🇺🇸 US 🇨🇦 CA | Includes Valve Stem Seals | View on Amazon |
| TOPLINE Fits: 2.0L L4 SOHC | HSH19 | 🇺🇸 US 🇨🇦 CA | Includes Valve Stem Seals | View on Amazon |
| VICTOR REINZ Fits: 2.0L L4 DOHC | 025237501 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
12 Cylinder Head Gasket Set parts are listed for the 1990 Honda Prelude, from APEX, ENGINETECH, ITM ENGINE COMPONENTS and 5 other brands. APEX AHS1012 carries the "Popular" badge.
Cylinder Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: all 1990 Prelude engines | CSL105 | 🇺🇸 US 🇨🇦 CA | 3/32 IN Wall Thickness | View on Amazon |
| MELLING Fits: all 1990 Prelude engines | CSL205 | 🇺🇸 US 🇨🇦 CA | 1/8 IN Wall Thickness | View on Amazon |
This table covers the wear sleeves used to restore a Cylinder seal surface.
MELLING supplies both parts for the 1990 Honda Prelude. All of them fit every engine offered in the 1990 Prelude.
Part numbers include MELLING CSL105 and MELLING CSL205.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 2.0L L4 DOHC | 50142900 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AJUSA Fits: 2.0L L4 SOHC | 50131100 | 🇺🇸 US 🇨🇦 CA | Engine # B20A3,B20A4 | View on Amazon |
| APEX Fits: 2.0L L4 DOHC | AFS1012 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| APEX Fits: 2.0L L4 SOHC | AFS1009 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | 0900946 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | 0900942 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 2.0L L4 DOHC | CGSH19L | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 2.0L L4 SOHC | CGSH19 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
8 Engine Kit Gasket Set parts are listed for the 1990 Honda Prelude, from AJUSA, APEX, ITM ENGINE COMPONENTS and 1 other brand.
This group includes AJUSA 50142900, AJUSA 50131100 and APEX AFS1012 and the remaining parts above.
Exhaust Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINETECH Popular Fits: 2.0L L4 SOHC | EM2533 | 🇺🇸 US 🇨🇦 CA | .2735 stem1.374 Head | View on Amazon |
| MELLING Popular Fits: 2.0L L4 DOHC | V5196 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Popular Fits: 2.0L L4 DOHC | SKV2547 | 🇺🇸 US 🇨🇦 CA | Nitrided stemStandard Size | View on Amazon |
| ENGINETECH Fits: 2.0L L4 DOHC | EM2493 | 🇺🇸 US 🇨🇦 CA | .2580 stem1.102 Head | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | RX9368 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | RX9261 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| QUALCAST Fits: all 1990 Prelude engines | 1010196 | 🇺🇸 US 🇨🇦 CA | 1.102 Head Diameter. | View on Amazon |
| QUALCAST Fits: all 1990 Prelude engines | 1010193 | 🇺🇸 US 🇨🇦 CA | 1.376 Head Diameter. | View on Amazon |
| SBI Fits: 2.0L L4 DOHC | 10196 | 🇺🇸 US 🇨🇦 CA | 2.0 Si | View on Amazon |
| TOPLINE Fits: 2.0L L4 DOHC | EVH19 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 2.0L L4 DOHC | EVH18L | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 2.0L L4 SOHC | EVH15 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
12 Exhaust Valve parts for the 1990 Honda Prelude come from 7 brands — TOPLINE, ENGINETECH, ITM ENGINE COMPONENTS and 4 other brands. The "Popular" part is ENGINETECH EM2533. 2 parts fit every engine; the other 10 are engine-specific.
Expansion Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: all 1990 Prelude engines | MPE189R | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| MELLING Fits: all 1990 Prelude engines | MPE189BR | 🇺🇸 US 🇨🇦 CA | Brass | View on Amazon |
| QUALCAST Fits: all 1990 Prelude engines | 97110B | 🇺🇸 US 🇨🇦 CA | Brass | View on Amazon |
| QUALCAST Fits: all 1990 Prelude engines | 97110 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
This table covers the Expansion plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
4 Expansion Plug parts are listed for the 1990 Honda Prelude, from MELLING and QUALCAST. All of them fit every engine offered in the 1990 Prelude.
Listed part numbers: MELLING MPE189R, MELLING MPE189BR and QUALCAST 97110B, plus the other parts above.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1990 Prelude engines | MS94121 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| AJUSA Fits: 2.0L L4 DOHC | 13110500 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AJUSA Fits: 2.0L L4 SOHC | 13097400 | 🇺🇸 US 🇨🇦 CA | Engine # B20A3,B20A4 | View on Amazon |
| APEX Fits: all 1990 Prelude engines | AMS1091 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | 0950969 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | 0950970 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 2.0L L4 DOHC | 111099801 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
7 Intake Manifold Gasket parts are listed for the 1990 Honda Prelude, from AJUSA, ITM ENGINE COMPONENTS, FEL-PRO and 2 other brands. FEL-PRO MS94121 carries the "Popular" badge. 2 parts fit every engine; the other 5 are engine-specific.
This group includes FEL-PRO MS94121, AJUSA 13110500 and AJUSA 13097400 and the remaining parts above.
Intake Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINETECH Popular Fits: 2.0L L4 DOHC | IM2454 | 🇺🇸 US 🇨🇦 CA | .2587 stem1.300 Head | View on Amazon |
| MELLING Popular Fits: 2.0L L4 SOHC | V5192 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SBI Popular Fits: 2.0L L4 DOHC | 10195 | 🇺🇸 US 🇨🇦 CA | 2.0 Si | View on Amazon |
| ENGINETECH Fits: 2.0L L4 SOHC | IM2538 | 🇺🇸 US 🇨🇦 CA | .2579 stem1.181 Head | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | RV35031 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | RV9262 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| QUALCAST Fits: all 1990 Prelude engines | 1010192 | 🇺🇸 US 🇨🇦 CA | 1.180 Head Diameter. | View on Amazon |
| QUALCAST Fits: all 1990 Prelude engines | 1010195 | 🇺🇸 US 🇨🇦 CA | 1.299 Head Diameter. | View on Amazon |
| TOPLINE Fits: 2.0L L4 DOHC | IVH19 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
9 Intake Valve parts for the 1990 Honda Prelude come from 6 brands — ENGINETECH, ITM ENGINE COMPONENTS, QUALCAST and 3 other brands. The "Popular" part is ENGINETECH IM2454. 2 parts fit every engine; the other 7 are engine-specific.
Part numbers include ENGINETECH IM2454, MELLING V5192 and SBI 10195, among others listed above.
Motor Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Popular Fits: all 1990 Prelude engines | 8030 | 🇺🇸 US 🇨🇦 CA | FrontManual trans. | View on Amazon |
| DEA / MARMON RIDE CONTROL Popular Fits: all 1990 Prelude engines | A6525 | 🇺🇸 US 🇨🇦 CA | RearManual trans. | View on Amazon |
| WESTAR Popular Fits: all 1990 Prelude engines | EM8008 | 🇺🇸 US 🇨🇦 CA | RearManual trans. | View on Amazon |
| ANCHOR Fits: all 1990 Prelude engines | 8008 | 🇺🇸 US 🇨🇦 CA | RearAutomatic trans. | View on Amazon |
| ANCHOR Fits: all 1990 Prelude engines | 8987 | 🇺🇸 US 🇨🇦 CA | LeftAutomatic trans. | View on Amazon |
| DEA / MARMON RIDE CONTROL Fits: all 1990 Prelude engines | A6529 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| DEA / MARMON RIDE CONTROL Fits: all 1990 Prelude engines | A6548 | 🇺🇸 US 🇨🇦 CA | RearAutomatic trans. | View on Amazon |
| PIONEER Fits: all 1990 Prelude engines | 602893 | 🇺🇸 US 🇨🇦 CA | RearManual trans. | View on Amazon |
| PIONEER Fits: all 1990 Prelude engines | 601036 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| WESTAR Fits: all 1990 Prelude engines | EM8030 | 🇺🇸 US 🇨🇦 CA | Front RightManual trans. | View on Amazon |
| WESTAR Fits: all 1990 Prelude engines | EM8497 | 🇺🇸 US 🇨🇦 CA | Front RightAutomatic trans. | View on Amazon |
| WESTAR Fits: all 1990 Prelude engines | EM5510 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.
12 Motor Mount parts for the 1990 Honda Prelude come from 4 brands — WESTAR, ANCHOR, DEA / MARMON RIDE CONTROL and 1 other brand. The "Popular" part is ANCHOR 8030. Every part fits both the 2.0L L4 DOHC and the 2.0L L4 SOHC.
Oil
Summary: Notes list SAE 5W-30 and SAE 10W-30. Confirm the engine and the weight on the filler cap before you buy. Both engines share the same viscosities. Replacement brands in this table include MOBIL, VALVOLINE and IDEMITSU.
Full Synthetic
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: all 1990 Prelude engines | 125195 | 🇺🇸 US 🇨🇦 CA | Full Synthetic 5W-30Mobil Full Synthetic | View on Amazon |
| MOBIL Popular Fits: all 1990 Prelude engines | 124315 | 🇺🇸 US 🇨🇦 CA | 5W-30Mobil 1 Advanced | View on Amazon |
| MOBIL Fits: all 1990 Prelude engines | 122319 | 🇺🇸 US 🇨🇦 CA | 10W-30Mobil 1 Advanced | View on Amazon |
| MOBIL Fits: all 1990 Prelude engines | 102990 | 🇺🇸 US 🇨🇦 CA | Extended Performance 10W-30Mobil 1 Extended Performance | View on Amazon |
| MOBIL Fits: all 1990 Prelude engines | 112627 | 🇺🇸 US 🇨🇦 CA | Extended Performance 5W-30Mobil 1 Extended Performance | View on Amazon |
| VALVOLINE Fits: all 1990 Prelude engines | VV955 | 🇺🇸 US 🇨🇦 CA | Advanced Protection Full Synthetic SAE 5W-301 Quart | View on Amazon |
| VALVOLINE Fits: all 1990 Prelude engines | 881164 | 🇺🇸 US 🇨🇦 CA | Advanced Protection Full Synthetic SAE 5W-30Easy Pour 5 Quart | View on Amazon |
High Mileage (>75,000 Miles)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: all 1990 Prelude engines | VV1556 | 🇺🇸 US 🇨🇦 CA | Max Life High Mileage Synthetic Blend SAE 5W-301 Quart | View on Amazon |
| MOBIL Fits: all 1990 Prelude engines | 125201 | 🇺🇸 US 🇨🇦 CA | Full Synthetic High Mileage 5W-301 Quart | View on Amazon |
| MOBIL Fits: all 1990 Prelude engines | 123842 | 🇺🇸 US 🇨🇦 CA | Extended Performance High Mileage 5W-30Synthetic | View on Amazon |
| MOBIL Fits: all 1990 Prelude engines | 103535 | 🇺🇸 US 🇨🇦 CA | High Mileage 10W-30Mobil 1 High Mileage | View on Amazon |
| MOBIL Fits: all 1990 Prelude engines | 103767 | 🇺🇸 US 🇨🇦 CA | High Mileage 5W-30Mobil 1 High Mileage | View on Amazon |
| VALVOLINE Fits: all 1990 Prelude engines | VV179 | 🇺🇸 US 🇨🇦 CA | Full Synthetic High Mileage with Max Life Technology SAE 5W-301 Quart | View on Amazon |
| VALVOLINE Fits: all 1990 Prelude engines | 881163 | 🇺🇸 US 🇨🇦 CA | Max Life High Mileage Synthetic Blend SAE 5W-30Easy Pour 5 Quart | View on Amazon |
| VALVOLINE Fits: all 1990 Prelude engines | 881169 | 🇺🇸 US 🇨🇦 CA | Full Synthetic High Mileage with Max Life Technology SAE 5W-30Easy Pour 5 Quart | View on Amazon |
Racing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| IDEMITSU Fits: all 1990 Prelude engines | 30018100750 | 🇺🇸 US | 10W30 Rotary Racing Oil1 Quart | View on Amazon |
| IDEMITSU Fits: all 1990 Prelude engines | 30018101750 | 🇺🇸 US | 20W50 Rotary Racing Oil1 Quart | View on Amazon |
Synthetic Blend
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: all 1990 Prelude engines | 124406 | 🇺🇸 US 🇨🇦 CA | Super 10W-30Mobil Super | View on Amazon |
| MOBIL Popular Fits: all 1990 Prelude engines | 124407 | 🇺🇸 US 🇨🇦 CA | Super 5W-30Mobil Super | View on Amazon |
| VALVOLINE Fits: all 1990 Prelude engines | 797975 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 5W-30 Synthetic Blend1 Quart | View on Amazon |
| VALVOLINE Fits: all 1990 Prelude engines | 881159 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 5W-30 Synthetic BlendEasy Pour 5 Quart | View on Amazon |
This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.
21 Oil parts for the 1990 Honda Prelude come from 3 brands — MOBIL, VALVOLINE and IDEMITSU. The "Popular" part is MOBIL 125195. Every part fits both the 2.0L L4 DOHC and the 2.0L L4 SOHC.
The Full Synthetic section lists 7 options from MOBIL and VALVOLINE — full-synthetic oils. MOBIL 125195 is listed in this group.
In the High Mileage (>75,000 Miles) grade, VALVOLINE and MOBIL supply 8 parts: oils grouped for high-mileage engines. A representative part number is VALVOLINE VV1556.
The Racing section lists 2 options from IDEMITSU — grouped under the catalog's "Racing" designation — the notes column spells out what sets them apart. IDEMITSU 30018100750 is listed in this group.
The Synthetic Blend section lists 4 options from MOBIL and VALVOLINE — synthetic-blend oils. MOBIL 124406 is listed in this group.
Oil Cooler Mounting Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HAYDEN Fits: all 1990 Prelude engines | 238 | 🇺🇸 US 🇨🇦 CA | Rubber Block Mounting Kit for Heavy Duty Oil Cooler | View on Amazon |
| HAYDEN Fits: all 1990 Prelude engines | 153 | 🇺🇸 US 🇨🇦 CA | Metal Mounting Bracket Kit for Heavy Duty Oil Cooler | View on Amazon |
This table covers the Oil Cooler Mounting kits.
HAYDEN supplies both parts for the 1990 Honda Prelude. All of them fit every engine offered in the 1990 Prelude.
Listed part numbers: HAYDEN 238 and HAYDEN 153.
Oil Drain Plug
Piggyback
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 1990 Prelude engines | 65229 | 🇺🇸 US 🇨🇦 CA | M14-1.50Piggy-Back | View on Amazon |
Twist Drain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 1990 Prelude engines | 092020 | 🇺🇸 US 🇨🇦 CA | Thread Size: M14-1.50Twist Style | View on Amazon |
Universal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 1990 Prelude engines | 65102 | 🇺🇸 US 🇨🇦 CA | M14-1.50Rubber | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AGS Popular Fits: all 1990 Prelude engines | ODP00007 | 🇺🇸 US 🇨🇦 CA | M14x1.50 | View on Amazon |
| DORMAN Popular Fits: all 1990 Prelude engines | 090053 | 🇺🇸 US 🇨🇦 CA | MetalPilot Point | View on Amazon |
| DORMAN Popular Fits: all 1990 Prelude engines | 090075 | 🇺🇸 US 🇨🇦 CA | StandardM14-1.50 | View on Amazon |
| BECK/ARNLEY Fits: all 1990 Prelude engines | 0160088 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DORMAN Fits: all 1990 Prelude engines | 090082 | 🇺🇸 US 🇨🇦 CA | M14-1.50Single Oversize | View on Amazon |
| ELRING Fits: 2.0L L4 SOHC | 523500 | 🇺🇸 US 🇨🇦 CA | with Seal RingBolt Head-/Nut Design: Male Hex | View on Amazon |
| ELRING Fits: 2.0L L4 SOHC | 523480 | 🇺🇸 US 🇨🇦 CA | without Seal RingThread Size: M14X1,5x15 | View on Amazon |
| SKP Fits: all 1990 Prelude engines | SK090053CD | 🇺🇸 US 🇨🇦 CA | Metal | View on Amazon |
This table covers the drain plugs in the oil pan.
11 Oil Drain Plug parts for the 1990 Honda Prelude come from 5 brands — DORMAN, ELRING, AGS and 2 other brands. The "Popular" part is AGS ODP00007. 9 parts fit every engine; the other 2 are engine-specific.
In the Piggyback grade, DORMAN supplies 1 part: grouped under the catalog's "Piggyback" designation — the notes column spells out what sets them apart. A representative part number is DORMAN 65229.
In the Twist Drain grade, DORMAN supplies 1 part: grouped under the catalog's "Twist Drain" designation — the notes column spells out what sets them apart. A representative part number is DORMAN 092020.
In the Universal grade, DORMAN supplies 1 part: grouped under the catalog's "Universal" designation — the notes column spells out what sets them apart. A representative part number is DORMAN 65102.
8 further parts sit outside the graded sections, with the same engine-level match.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: all 1990 Prelude engines | 095144 | 🇺🇸 US 🇨🇦 CA | Aluminum | View on Amazon |
| AJUSA Fits: all 1990 Prelude engines | 22007400 | 🇺🇸 US 🇨🇦 CA | Engine # B20A3,B20A4 | View on Amazon |
| ELRING Fits: 2.0L L4 SOHC | 243600 | 🇺🇸 US 🇨🇦 CA | Material: Aluminium | View on Amazon |
| ULTRA-POWER Fits: all 1990 Prelude engines | 095015 | 🇺🇸 US 🇨🇦 CA | ID: 0.572"aluminum Gasket | View on Amazon |
| ULTRA-POWER Fits: all 1990 Prelude engines | 095144 | 🇺🇸 US 🇨🇦 CA | Aluminum Gasket | View on Amazon |
This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
5 Oil Drain Plug Gasket parts are listed for the 1990 Honda Prelude, from ULTRA-POWER, DORMAN, AJUSA and 1 other brand. DORMAN 095144 carries the "Popular" badge. 4 parts fit every engine; the other 1 is engine-specific.
Part numbers include DORMAN 095144, AJUSA 22007400 and ELRING 243600, among others listed above.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: all 1990 Prelude engines | 0160125 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GATES Fits: all 1990 Prelude engines | 31109 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORAD Fits: all 1990 Prelude engines | MO81 | 🇺🇸 US 🇨🇦 CA | Gasket or Seal Pre-Installed: Yes | View on Amazon |
| SKP Fits: all 1990 Prelude engines | SKMO81 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the caps on the oil filler neck.
4 Oil Filler Cap parts for the 1990 Honda Prelude come from 4 brands — BECK/ARNLEY, GATES, MOTORAD and 1 other brand. Every part fits both the 2.0L L4 DOHC and the 2.0L L4 SOHC.
Listed part numbers: BECK/ARNLEY 0160125, GATES 31109 and MOTORAD MO81, plus the other parts above.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: all 1990 Prelude engines | 72228WS | 🇺🇸 US 🇨🇦 CA | Workshop Oil Filter | View on Amazon |
| FRAM Fits: all 1990 Prelude engines | FE9688 | 🇺🇸 US 🇨🇦 CA | Spin-OnTough Guard or Synthetic Endurance | View on Amazon |
| FVP Fits: all 1990 Prelude engines | R1334A | 🇺🇸 US 🇨🇦 CA | Spin-On Filter | View on Amazon |
| PRO-TEC Fits: all 1990 Prelude engines | PXL51334 | 🇺🇸 US 🇨🇦 CA | Spin-On Filter | View on Amazon |
| VARIOUS MFR Fits: all 1990 Prelude engines | PO4459HN2 | 🇺🇸 US 🇨🇦 CA | OE Style | View on Amazon |
| VARIOUS MFR Fits: all 1990 Prelude engines | PG4459 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WIX Popular Fits: all 1990 Prelude engines | 51334XP | 🇺🇸 US 🇨🇦 CA | XP Extreme DutyBest for Synthetic Motor Oils | View on Amazon |
| MOBIL Fits: all 1990 Prelude engines | M1104A | 🇺🇸 US 🇨🇦 CA | Extended Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Popular Fits: all 1990 Prelude engines | 3312 | 🇺🇸 US 🇨🇦 CA | Premium Oil FilterConnection Size: M20X1.5 | View on Amazon |
| DENSO Popular Fits: all 1990 Prelude engines | 1502043 | 🇺🇸 US 🇨🇦 CA | Engine Oil Filter or FTF Engine Oil Filter | View on Amazon |
| WIX Popular Fits: all 1990 Prelude engines | 51334 | 🇺🇸 US 🇨🇦 CA | Bypass Relief Valve Setting: 8-11 PSISpin-On Filter | View on Amazon |
| ACDELCO Fits: 2.0L L4 SOHC | PF1127 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentGasket Inner Diameter (mm): 54.6mm | View on Amazon |
| BECK/ARNLEY Fits: all 1990 Prelude engines | 0418163 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HASTINGS / BALDWIN Fits: all 1990 Prelude engines | LF240 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE Fits: all 1990 Prelude engines | OC1673 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
| MANN Fits: all 1990 Prelude engines | W81180 | 🇺🇸 US 🇨🇦 CA | Anti-Drain Back Valve: YESBypass Relief Valve Setting: 15 PSI | View on Amazon |
| MOTORCRAFT Fits: all 1990 Prelude engines | FL810A | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VARIOUS MFR Fits: all 1990 Prelude engines | PG4459EX | 🇺🇸 US 🇨🇦 CA | Extended Life | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
18 Oil Filter parts for the 1990 Honda Prelude come from 14 brands — VARIOUS MFR, BOSCH, WIX and 11 other brands. The "Popular" part is WIX 51334XP. 17 parts fit every engine; the other 1 is engine-specific.
The Economy section lists 6 options from VARIOUS MFR, BOSCH, FRAM and 2 other brands — the catalog's value-priced group. BOSCH 72228WS is listed in this group.
The High Performance / Heavy Duty section lists 2 options from WIX and MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. WIX 51334XP is listed in this group.
Standard Replacement: 10 parts, from BOSCH, DENSO, WIX and 7 other brands. A representative part number is BOSCH 3312.
Oil Filter Support Tube
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA Fits: all 1990 Prelude engines | HA1416938 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Filter Support tubes.
One part is listed for the 1990 Honda Prelude — AUTOTECNICA HA1416938.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Fits: all 1990 Prelude engines | AOP109 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO Fits: all 1990 Prelude engines | OS30598R | 🇺🇸 US 🇨🇦 CA | Permadry | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines | 0990917 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: 2.0L L4 DOHC | 715236900 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
4 Oil Pan Gasket parts for the 1990 Honda Prelude come from 4 brands — APEX, FEL-PRO, ITM ENGINE COMPONENTS and 1 other brand. 3 parts fit every engine; the other 1 is engine-specific.
Part numbers include APEX AOP109, FEL-PRO OS30598R and ITM ENGINE COMPONENTS 0990917, among others listed above.
Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | RY6399 | 🇺🇸 US 🇨🇦 CA | Compression Ratio 9:1-81mm | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | RY6398 | 🇺🇸 US 🇨🇦 CA | Compression Ratio 9.1:1-81mm | View on Amazon |
| TOPLINE Fits: 2.0L L4 DOHC | PAH19L | 🇺🇸 US 🇨🇦 CA | Includes RingsSet | View on Amazon |
| TOPLINE Fits: 2.0L L4 SOHC | PAH19 | 🇺🇸 US 🇨🇦 CA | Includes RingsSet | View on Amazon |
This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo.
4 Piston parts are listed for the 1990 Honda Prelude, from ITM ENGINE COMPONENTS and TOPLINE.
Part numbers include ITM ENGINE COMPONENTS RY6399, ITM ENGINE COMPONENTS RY6398 and TOPLINE PAH19L, among others listed above.
Piston Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS MANUFACTURING Popular Fits: all 1990 Prelude engines | 2C4684 | 🇺🇸 US 🇨🇦 CA | Full SetTop Ring Surface Treatment: Chrome | View on Amazon |
| HASTINGS MANUFACTURING Fits: all 1990 Prelude engines | 2C4684S | 🇺🇸 US 🇨🇦 CA | Chrome Top Ring1 Cylinder Set | View on Amazon |
| HASTINGS MANUFACTURING Fits: all 1990 Prelude engines | 2C4658 | 🇺🇸 US 🇨🇦 CA | Full SetTop Groove: 1.20 mm | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines | 0216262 | 🇺🇸 US 🇨🇦 CA | Set1.2 X 1.5 X 2.8mm | View on Amazon |
| TOPLINE Fits: all 1990 Prelude engines | RSH19 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
5 Piston Ring parts are listed for the 1990 Honda Prelude, from HASTINGS MANUFACTURING, ITM ENGINE COMPONENTS and TOPLINE. HASTINGS MANUFACTURING 2C4684 carries the "Popular" badge. All of them fit every engine offered in the 1990 Prelude.
Listed part numbers: HASTINGS MANUFACTURING 2C4684, HASTINGS MANUFACTURING 2C4684S and HASTINGS MANUFACTURING 2C4658, plus the other parts above.
Rocker Arm
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOPLINE Fits: 2.0L L4 DOHC | RAH19 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 2.0L L4 SOHC | RAH15A | 🇺🇸 US 🇨🇦 CA | (rockers sold In pairs only) | View on Amazon |
| TOPLINE Fits: 2.0L L4 SOHC | RAH15B | 🇺🇸 US 🇨🇦 CA | (rockers sold In pairs only) | View on Amazon |
This table covers the rocker arms that transfer cam motion to the valves.
3 Rocker Arm parts for the 1990 Honda Prelude come from TOPLINE.
This group includes TOPLINE RAH19, TOPLINE RAH15A and TOPLINE RAH15B.
Thrust Washer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINETECH Popular Fits: all 1990 Prelude engines | TW1516 | 🇺🇸 US 🇨🇦 CA | (Size: Standard) | View on Amazon |
| MAHLE / CLEVITE Popular Fits: all 1990 Prelude engines | TW473S | 🇺🇸 US 🇨🇦 CA | Contains 2 Pieces, Position Number 4 Use with Part Number MS-1804A, MS-1804P, MS-2095P, MS-2355A | View on Amazon |
| ENGINE PRO Fits: all 1990 Prelude engines | 13473S | 🇺🇸 US 🇨🇦 CA | Contains 2 Pieces, Position 4Original Equipment Replacement | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines | 1T1001 | 🇺🇸 US 🇨🇦 CA | (Size: Standard) | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1990 Prelude engines | TW140AM | 🇺🇸 US 🇨🇦 CA | BI-Metal (aluminum base) | View on Amazon |
| SEALED POWER Fits: all 1990 Prelude engines | 1826AF | 🇺🇸 US 🇨🇦 CA | (Size: Standard) | View on Amazon |
This table covers the Thrust washers.
6 Thrust Washer parts for the 1990 Honda Prelude come from 6 brands — ENGINETECH, MAHLE / CLEVITE, ENGINE PRO and 3 other brands. The "Popular" part is ENGINETECH TW1516. Every part fits both the 2.0L L4 DOHC and the 2.0L L4 SOHC.
Part numbers include ENGINETECH TW1516, MAHLE / CLEVITE TW473S and ENGINE PRO 13473S, among others listed above.
Timing Belt
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Popular Fits: 2.0L L4 SOHC | B144 | 🇺🇸 US 🇨🇦 CA | SOHCB20A3 Engine | View on Amazon |
| CADNA Fits: 2.0L L4 SOHC | TB144 | 🇺🇸 US 🇨🇦 CA | 2.0 SINTERFERENCE Engine | View on Amazon |
| CONTINENTAL Fits: 2.0L L4 SOHC | TB144 | 🇺🇸 US 🇨🇦 CA | AT CAMSHAFT | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | 4276 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | 4275 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER Fits: 2.0L L4 DOHC | T142 | 🇺🇸 US 🇨🇦 CA | Fits 2.0 Sior SR | View on Amazon |
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular Fits: 2.0L L4 DOHC | T142RB | 🇺🇸 US 🇨🇦 CA | High Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular Fits: 2.0L L4 DOHC | T142 | 🇺🇸 US 🇨🇦 CA | Power Grip | View on Amazon |
| GATES Popular Fits: 2.0L L4 SOHC | T144 | 🇺🇸 US 🇨🇦 CA | Power Grip | View on Amazon |
| ACDELCO Fits: 2.0L L4 DOHC | TB142 | 🇺🇸 US 🇨🇦 CA | Professional / Gold | View on Amazon |
| BANDO Fits: 2.0L L4 DOHC | TB142 | 🇺🇸 US 🇨🇦 CA | Camshaft | View on Amazon |
| BANDO Fits: 2.0L L4 SOHC | TB144 | 🇺🇸 US 🇨🇦 CA | Camshaft | View on Amazon |
| CONTINENTAL Fits: 2.0L L4 SOHC | 40144 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Fits: 2.0L L4 SOHC | B0144 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SEALED POWER Fits: 2.0L L4 SOHC | 222144 | 🇺🇸 US 🇨🇦 CA | 12 VALVEB20A3 Engine | View on Amazon |
| TOPLINE Fits: 2.0L L4 DOHC | TBH19L | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 2.0L L4 SOHC | TBH19 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Timing belts. Typical signs include squeal on cold start, cracked ribs, or glazing. Spin the tensioner and idlers by hand while the belt is off.
17 Timing Belt parts are listed for the 1990 Honda Prelude, from GATES, CONTINENTAL, ITM ENGINE COMPONENTS and 8 other brands. CLOYES B144 carries the "Popular" badge.
Economy: 6 parts, from ITM ENGINE COMPONENTS, CLOYES, CADNA and 2 other brands. A representative part number is CLOYES B144.
High Performance: 1 part, from GATES. A representative part number is GATES T142RB.
The Standard Replacement section: 10 options from GATES, BANDO, TOPLINE and 4 other brands. GATES T142 is listed in this group.
Timing Belt & Component Kit
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Fits: 2.0L L4 DOHC | TCK142 | 🇺🇸 US 🇨🇦 CA | Fits 2.0 Sior SR | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular Fits: 2.0L L4 DOHC | TCKWP142 | 🇺🇸 US 🇨🇦 CA | Power Gripwith Water Pump | View on Amazon |
| CONTINENTAL Fits: 2.0L L4 DOHC | TB142K1 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| GMB Fits: 2.0L L4 DOHC | 24350142 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| US MOTOR WORKS Fits: 2.0L L4 DOHC | USTK142 | 🇺🇸 US 🇨🇦 CA | 2.0 SiB20A5 Engine | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 2.0L L4 SOHC | TCK144 | 🇺🇸 US 🇨🇦 CA | Power Grip | View on Amazon |
| GMB Fits: 2.0L L4 SOHC | 24350144 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GMB Fits: 2.0L L4 SOHC | 34350144 | 🇺🇸 US 🇨🇦 CA | Includes Water Pump | View on Amazon |
| US MOTOR WORKS Fits: 2.0L L4 SOHC | USTK144 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Timing Belt & component kits.
9 Timing Belt & Component Kit parts for the 1990 Honda Prelude come from 5 brands — GMB, GATES, US MOTOR WORKS and 2 other brands. The "Popular" part is GATES TCKWP142.
The Economy section: 1 option from ULTRA-POWER. ULTRA-POWER TCK142 is listed in this group.
Standard Replacement: 4 parts, from GATES, CONTINENTAL, GMB and 1 other brand. A representative part number is GATES TCKWP142.
4 further parts sit outside the graded sections, with the same engine-level match.
Listed part numbers: GATES TCKWP142, ULTRA-POWER TCK142 and CONTINENTAL TB142K1, plus the other parts above.
Timing Belt Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 1990 Prelude engines | T41019 | 🇺🇸 US 🇨🇦 CA | Professional / GoldSteel Smooth/Backside (55mm x Slotted x 28mm) | View on Amazon |
| GMB Popular Fits: all 1990 Prelude engines | 4358650 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DAYCO Fits: all 1990 Prelude engines | 84036 | 🇺🇸 US 🇨🇦 CA | Includes: Camshaft Belt Tensioner | View on Amazon |
| INA Fits: 2.0L L4 SOHC | ZT9202 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines | 60208 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| S.A. GEAR Fits: 2.0L L4 SOHC | 9202 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 2.0L L4 DOHC | BTH19 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Timing Belt tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage.
7 Timing Belt Tensioner parts for the 1990 Honda Prelude come from 7 brands — ACDELCO, GMB, DAYCO and 4 other brands. The "Popular" part is ACDELCO T41019. 4 parts fit every engine; the other 3 are engine-specific.
Listed part numbers: ACDELCO T41019, GMB 4358650 and DAYCO 84036, plus the other parts above.
Timing Cover Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Fits: all 1990 Prelude engines | 99147 | 🇺🇸 US 🇨🇦 CA | Shaft Diameter: 1.496 In | View on Amazon |
This table covers the wear sleeves used to restore a Timing Cover seal surface.
This group shows a single part: SKF 99147.
Timing Cover Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines | 1500913 | 🇺🇸 US 🇨🇦 CA | TC | View on Amazon |
| MAHLE / CLEVITE Fits: all 1990 Prelude engines | JV1077 | 🇺🇸 US 🇨🇦 CA | Rubber | View on Amazon |
| SKF Fits: all 1990 Prelude engines | 14759 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals at the Timing Cover. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
3 Timing Cover Seal parts for the 1990 Honda Prelude come from 3 brands — ITM ENGINE COMPONENTS, MAHLE / CLEVITE and SKF. Every part fits both the 2.0L L4 DOHC and the 2.0L L4 SOHC.
Part numbers include ITM ENGINE COMPONENTS 1500913, MAHLE / CLEVITE JV1077 and SKF 14759.
Valve Cover Bolt Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| JAPANESE OE Fits: 2.0L L4 DOHC | KF81184 | 🇺🇸 US 🇨🇦 CA | KPO-Ring | View on Amazon |
This table covers the seals at the Valve Cover Bolt. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 1990 Honda Prelude — JAPANESE OE KF81184.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Popular Fits: 2.0L L4 DOHC | 56005900 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO Popular Fits: 2.0L L4 DOHC | VS50391R | 🇺🇸 US 🇨🇦 CA | Perma Dry Molded RubberIncludes Spark Plug Tube Seals and Valve Cover Grommets | View on Amazon |
| FEL-PRO Popular Fits: 2.0L L4 SOHC | VS50394R | 🇺🇸 US 🇨🇦 CA | Permadry Molded RubberIncludes Valve Cover Grommets | View on Amazon |
| VICTOR REINZ Popular Fits: 2.0L L4 SOHC | 715236100 | 🇺🇸 US 🇨🇦 CA | Valve Cover Grommets Not Included | View on Amazon |
| APEX Fits: 2.0L L4 DOHC | AVC112 | 🇺🇸 US 🇨🇦 CA | without Grommets and Spark Plug Tube Seals | View on Amazon |
| APEX Fits: 2.0L L4 DOHC | AVC112S | 🇺🇸 US 🇨🇦 CA | Includes Grommets & Spark Plug Tube Seals | View on Amazon |
| APEX Fits: 2.0L L4 SOHC | AVC107 | 🇺🇸 US 🇨🇦 CA | Does Not Include Grommets | View on Amazon |
| APEX Fits: 2.0L L4 SOHC | AVC107S | 🇺🇸 US 🇨🇦 CA | Includes Grommets | View on Amazon |
| BECK/ARNLEY Fits: 2.0L L4 SOHC | 0361454 | 🇺🇸 US 🇨🇦 CA | 2.0 S | View on Amazon |
| ELRING Fits: 2.0L L4 SOHC | 597430 | 🇺🇸 US 🇨🇦 CA | Material: Ethylene Acrylic Elastomer (AEM) | View on Amazon |
| ELRING Fits: 2.0L L4 SOHC | 704610 | 🇺🇸 US 🇨🇦 CA | Body code: BA4 | View on Amazon |
| FEL-PRO Fits: 2.0L L4 DOHC | VS50327R | 🇺🇸 US 🇨🇦 CA | Permadry RubberDoes Not Include Spark Plug Tube Seals | View on Amazon |
| FEL-PRO Fits: 2.0L L4 SOHC | VS50241R | 🇺🇸 US 🇨🇦 CA | Permadry RubberValve Cover Grommets Not Included | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | 0930923 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE Fits: 2.0L L4 DOHC | VS50075 | 🇺🇸 US 🇨🇦 CA | SetMolded Rubber | View on Amazon |
This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
15 Valve Cover Gasket parts for the 1990 Honda Prelude come from 8 brands — FEL-PRO, APEX, ELRING and 5 other brands. The "Popular" part is AJUSA 56005900.
Valve Cover Grommet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 2.0L L4 SOHC | ES70337 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| APEX Fits: 2.0L L4 SOHC | AES100 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| BECK/ARNLEY Fits: 2.0L L4 DOHC | 0396611 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BECK/ARNLEY Fits: 2.0L L4 SOHC | 0396607 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| JAPANESE OE Fits: 2.0L L4 SOHC | KF81126 | 🇺🇸 US 🇨🇦 CA | KPSet | View on Amazon |
| VICTOR REINZ Fits: all 1990 Prelude engines | 151081601 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
This table covers the Valve Cover grommets.
6 Valve Cover Grommet parts for the 1990 Honda Prelude come from 5 brands — BECK/ARNLEY, FEL-PRO, APEX and 2 other brands. The "Popular" part is FEL-PRO ES70337. 1 part fits every engine; the other 5 are engine-specific.
This group includes FEL-PRO ES70337, APEX AES100 and BECK/ARNLEY 0396611 and the remaining parts above.
Valve Guide
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINETECH Popular Fits: 2.0L L4 DOHC | GD8155 | 🇺🇸 US 🇨🇦 CA | Iron | View on Amazon |
| ENGINETECH Popular Fits: 2.0L L4 DOHC | GD8156 | 🇺🇸 US 🇨🇦 CA | Iron | View on Amazon |
| SBI Popular Fits: 2.0L L4 DOHC | 1408155 | 🇺🇸 US 🇨🇦 CA | Exhaust2.0 Si | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | VG979CI | 🇺🇸 US 🇨🇦 CA | Cast Iron | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | VG981CI | 🇺🇸 US 🇨🇦 CA | Cast Iron | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | VG981BR | 🇺🇸 US 🇨🇦 CA | Bronze | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC | VG979BR | 🇺🇸 US 🇨🇦 CA | Bronze | View on Amazon |
| QUALCAST Fits: 2.0L L4 DOHC | 307830 | 🇺🇸 US 🇨🇦 CA | Intake1.970 OAL. | View on Amazon |
| QUALCAST Fits: 2.0L L4 DOHC | 307710 | 🇺🇸 US 🇨🇦 CA | Exhaust2.168 OAL. | View on Amazon |
| QUALCAST Fits: 2.0L L4 DOHC | 308155 | 🇺🇸 US 🇨🇦 CA | Exhaust1.975 OAL | View on Amazon |
| SBI Fits: 2.0L L4 DOHC | 1408156 | 🇺🇸 US 🇨🇦 CA | Intake2.0 Si | View on Amazon |
| TOPLINE Fits: 2.0L L4 DOHC | IVGH16 | 🇺🇸 US 🇨🇦 CA | Intake | View on Amazon |
| TOPLINE Fits: 2.0L L4 DOHC | EVGH16 | 🇺🇸 US 🇨🇦 CA | Exhaust | View on Amazon |
This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering.
13 Valve Guide parts for the 1990 Honda Prelude come from 5 brands — ITM ENGINE COMPONENTS, QUALCAST, ENGINETECH and 2 other brands. The "Popular" part is ENGINETECH GD8155.
Valve Seat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SBI Popular Fits: 2.0L L4 DOHC | SB125063 | 🇺🇸 US 🇨🇦 CA | High ChromeFor Aluminum Cylinder Head | View on Amazon |
| QUALCAST Fits: 2.0L L4 DOHC | 21125063 | 🇺🇸 US 🇨🇦 CA | INSERT | View on Amazon |
| QUALCAST Fits: 2.0L L4 DOHC | 21150069 | 🇺🇸 US 🇨🇦 CA | INSERT | View on Amazon |
| QUALCAST Fits: 2.0L L4 DOHC | 21137555 | 🇺🇸 US 🇨🇦 CA | INSERT | View on Amazon |
| SBI Fits: 2.0L L4 DOHC | SB137555 | 🇺🇸 US 🇨🇦 CA | High ChromeFor Aluminum Cylinder Head | View on Amazon |
This table covers the Valve seats.
5 Valve Seat parts are listed for the 1990 Honda Prelude, from QUALCAST and SBI. SBI SB125063 carries the "Popular" badge.
Part numbers include SBI SB125063, QUALCAST 21125063 and QUALCAST 21150069, among others listed above.
Valve Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: 2.0L L4 SOHC | 0231947 | 🇺🇸 US 🇨🇦 CA | ExhaustInner | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | VS1303 | 🇺🇸 US 🇨🇦 CA | Exhaust Outer | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | VS1304 | 🇺🇸 US 🇨🇦 CA | Exhaust Inner | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | VS1305 | 🇺🇸 US 🇨🇦 CA | Intake | View on Amazon |
This table covers the springs that close each intake and exhaust valve. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.
4 Valve Spring parts are listed for the 1990 Honda Prelude, from ITM ENGINE COMPONENTS and BECK/ARNLEY.
Part numbers include BECK/ARNLEY 0231947, ITM ENGINE COMPONENTS VS1303 and ITM ENGINE COMPONENTS VS1304, among others listed above.
Valve Spring Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines | 051142 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Valve Spring retainers.
One part is listed for the 1990 Honda Prelude — ITM ENGINE COMPONENTS 051142.
Valve Spring Retainer Keeper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SBI Fits: all 1990 Prelude engines | 1211054 | 🇺🇸 US 🇨🇦 CA | Intake or Exhaust2.0 Si | View on Amazon |
This table covers the keepers that lock each valve-spring retainer to the stem.
One part is listed for the 1990 Honda Prelude — SBI 1211054.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: 2.0L L4 DOHC | AVS1012 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| APEX Popular Fits: 2.0L L4 SOHC | AVS1008 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| FEL-PRO Popular Fits: 2.0L L4 DOHC | SS725461 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| FEL-PRO Popular Fits: 2.0L L4 SOHC | SS72615 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines | SS170 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC | SS171 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| MAHLE / CLEVITE Fits: all 1990 Prelude engines | SS45499 | 🇺🇸 US 🇨🇦 CA | SetMetal with Molded Rubber | View on Amazon |
| QUALCAST Fits: all 1990 Prelude engines | 3897645 | 🇺🇸 US 🇨🇦 CA | Viton Ring and Spring | View on Amazon |
| SBI Fits: all 1990 Prelude engines | 1221136 | 🇺🇸 US 🇨🇦 CA | Fits Intake and ExhaustViton Material | View on Amazon |
| TOPLINE Fits: 2.0L L4 DOHC | VSSH19 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 2.0L L4 SOHC | VSSH8 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 2.0L L4 SOHC | VSSH9 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
12 Valve Stem Seal parts for the 1990 Honda Prelude come from 7 brands — TOPLINE, APEX, FEL-PRO and 4 other brands. The "Popular" part is APEX AVS1012. 4 parts fit every engine; the other 8 are engine-specific.
Buying Engine Parts for a 1990 Honda Prelude
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Match the engine first. Some engine parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Camshaft Seal and Oil .
Frequently Asked Questions
How many engine parts fit the 1990 Honda Prelude?
Our catalog currently lists 342 engine parts for the 1990 Honda Prelude across 43 subcategories and 62 brands, covering both the 2.0L L4 DOHC and the 2.0L L4 SOHC. Each part is matched to the engine(s) it fits.
Do engine parts differ between 1990 Honda Prelude engines?
Some do. 151 parts fit every engine; the other 191 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 1990 Honda Prelude?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 1990 Honda Prelude?
Oil rows on this page include SAE 5W-30 and SAE 10W-30. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1990 Honda Prelude was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1990 Honda Prelude?
First match the engine — each row shows which engine(s) the part fits. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1990 Honda Prelude
Engine Parts for Other Honda Prelude Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.