The 1989 Geo Spectrum has 251 engine parts with verified fitment on this page — 55 part types and 52 brands, covering both the 1.5L L4 and the 1.5L L4 Turbocharged. Each part includes a manufacturer part number and application notes.
On the 1989 Geo Spectrum, 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. 49 parts of the 251 listed are Oil (19 parts), Oil Filter (17 parts) and Crankshaft Seal (13 parts). The other 52 part types cover the remaining 202 parts.
The 1989 Geo Spectrum was sold with both the 1.5L L4 and the 1.5L L4 Turbocharged. 198 parts fit every engine; the other 53 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1989 Geo Spectrum engine parts are ITM ENGINE COMPONENTS (36 parts), TOPLINE (22 parts) and BECK/ARNLEY (14 parts), plus 49 more brands. Quality grades include Standard Replacement, Economy and High Performance / Heavy Duty.
44 parts on this 1989 Geo Spectrum page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including NATIONAL 99157 (Camshaft Repair Sleeve) and NATIONAL 710308 (Camshaft Seal). Click any part number to see every vehicle that part fits.
Camshaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: 1.5L L4 Turbocharged | 0564676 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: all 1989 Spectrum engines | CAMIS3 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the camshafts that open the valves.
2 Camshaft parts for the 1989 Geo Spectrum come from 2 brands — ITM ENGINE COMPONENTS and TOPLINE. 1 part fits every engine; the other 1 is engine-specific.
This group includes ITM ENGINE COMPONENTS 0564676 and TOPLINE CAMIS3.
Camshaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND Fits: all 1989 Spectrum engines | CHG14 | 🇺🇸 US 🇨🇦 CA | Auxiliary Shaft Set | View on Amazon |
This table covers the Camshaft bearings. 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.
This group shows a single part: DURA-BOND CHG14.
Camshaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: all 1989 Spectrum engines | 99157 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKF Popular Fits: all 1989 Spectrum engines | 99153 | 🇺🇸 US 🇨🇦 CA | Shaft Diameter: 1.575 In | View on Amazon |
| BCA Fits: all 1989 Spectrum engines | NS99157 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SCHAEFFLER Fits: all 1989 Spectrum engines | SS3480 | 🇺🇸 US 🇨🇦 CA | 12.93 mm Width46.99 mm Outside Diameter | View on Amazon |
| SCHAEFFLER Fits: all 1989 Spectrum engines | SR3483 | 🇺🇸 US 🇨🇦 CA | Fits Shaft Diameters of 1.572"-1.578"16 MM Width | View on Amazon |
| TIMKEN Fits: all 1989 Spectrum engines | KWK99157 | 🇺🇸 US 🇨🇦 CA | Kwik-Sleeve | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1989 Spectrum engines | WS99157 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the wear sleeves used to restore a Camshaft seal surface.
7 Camshaft Repair Sleeve parts are listed for the 1989 Geo Spectrum, from SCHAEFFLER, NATIONAL, SKF and 3 other brands. NATIONAL 99157 carries the "Popular" badge. All of them fit every engine offered in the 1989 Spectrum.
Listed part numbers: NATIONAL 99157, SKF 99153 and BCA NS99157, plus the other parts above.
Camshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: all 1989 Spectrum engines | 710308 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKF Popular Fits: all 1989 Spectrum engines | 15957 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| APEX Fits: all 1989 Spectrum engines | ATC3000 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| BCA Fits: all 1989 Spectrum engines | NS710308 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BECK/ARNLEY Fits: 1.5L L4 | 0523388 | 🇺🇸 US 🇨🇦 CA | Engine Design: LC5 | View on Amazon |
| FEL-PRO Fits: all 1989 Spectrum engines | TCS45696 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| TIMKEN Fits: all 1989 Spectrum engines | 1217 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS Fits: all 1989 Spectrum engines | WS710308 | 🇺🇸 US 🇨🇦 CA | 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.
8 Camshaft Seal parts are listed for the 1989 Geo Spectrum, from NATIONAL, SKF, APEX and 5 other brands. NATIONAL 710308 carries the "Popular" badge. 7 parts fit every engine; the other 1 is engine-specific.
This group includes NATIONAL 710308, SKF 15957 and APEX ATC3000 and the remaining parts above.
Connecting Rod
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOPLINE Fits: all 1989 Spectrum engines | CRIS3 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the connecting rods between each piston and the crankshaft.
This group shows a single part: TOPLINE CRIS3.
Connecting Rod Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 4B9450 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1989 Spectrum engines | CR4004AM | 🇺🇸 US 🇨🇦 CA | SetBimetal (Aluminum Base) | View on Amazon |
| MAHLE / CLEVITE Fits: all 1989 Spectrum engines | CB1478P | 🇺🇸 US 🇨🇦 CA | P Series (Tri-Metal)Pair | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | RBIS3 | 🇺🇸 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.
4 Connecting Rod Bearing parts for the 1989 Geo Spectrum come from 4 brands — ITM ENGINE COMPONENTS, KING ENGINE BEARINGS, MAHLE / CLEVITE and 1 other brand. Every part fits both the 1.5L L4 and the 1.5L L4 Turbocharged.
This group includes ITM ENGINE COMPONENTS 4B9450, KING ENGINE BEARINGS CR4004AM and MAHLE / CLEVITE CB1478P and the remaining parts above.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: all 1989 Spectrum engines | 54031100 | 🇺🇸 US 🇨🇦 CA | Engine 4XC1 | View on Amazon |
| APEX Fits: all 1989 Spectrum engines | ACS3000 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: all 1989 Spectrum engines | CBSIS3 | 🇺🇸 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.
3 Conversion / Lower Gasket Set parts for the 1989 Geo Spectrum come from 3 brands — AJUSA, APEX and TOPLINE. Every part fits both the 1.5L L4 and the 1.5L L4 Turbocharged.
Listed part numbers: AJUSA 54031100, APEX ACS3000 and TOPLINE CBSIS3.
Crankshaft Main Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Popular Fits: all 1989 Spectrum engines | 5M9336 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| BECK/ARNLEY Fits: 1.5L L4 | 0146399 | 🇺🇸 US 🇨🇦 CA | Main Bearing Set LC5 (Size: 0.010" Oversize) | View on Amazon |
| SEALED POWER Fits: 1.5L L4 | 6686M | 🇺🇸 US 🇨🇦 CA | Main Bearing Set | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | TWIS3 | 🇺🇸 US 🇨🇦 CA | Thrust Bearing | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | MBIS3 | 🇺🇸 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.
5 Crankshaft Main Bearing parts are listed for the 1989 Geo Spectrum, from TOPLINE, ITM ENGINE COMPONENTS, BECK/ARNLEY and 1 other brand. ITM ENGINE COMPONENTS 5M9336 carries the "Popular" badge. 3 parts fit every engine; the other 2 are engine-specific.
Listed part numbers: ITM ENGINE COMPONENTS 5M9336, BECK/ARNLEY 0146399 and SEALED POWER 6686M, plus the other parts above.
Crankshaft Main Bearing Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: 1.5L L4 | 0523392 | 🇺🇸 US 🇨🇦 CA | Fits Rear Main Bearing Seal Set LC5 - Isuzu Engine | View on Amazon |
This table covers the gaskets that seal the Crankshaft Main Bearing. 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.
This group shows a single part: BECK/ARNLEY 0523392.
Crankshaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 1989 Spectrum engines | 99128 | 🇺🇸 US 🇨🇦 CA | Front0.315 IN Width | View on Amazon |
| SCHAEFFLER Fits: all 1989 Spectrum engines | SR3467 | 🇺🇸 US 🇨🇦 CA | Front11.13 mm Width | View on Amazon |
| TIMKEN Fits: all 1989 Spectrum engines | KWK99128 | 🇺🇸 US 🇨🇦 CA | Kwik-Sleeve | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1989 Spectrum engines | WS99128 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
This table covers the sleeves used to restore a grooved crankshaft seal surface.
4 Crankshaft Repair Sleeve parts are listed for the 1989 Geo Spectrum, from NATIONAL, SCHAEFFLER, TIMKEN and 1 other brand. All of them fit every engine offered in the 1989 Spectrum.
This group includes NATIONAL 99128, SCHAEFFLER SR3467 and TIMKEN KWK99128 and the remaining parts above.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1989 Spectrum engines | BS40524 | 🇺🇸 US 🇨🇦 CA | Rubber | View on Amazon |
| TIMKEN Popular Fits: all 1989 Spectrum engines | 223220 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: all 1989 Spectrum engines | WS223220 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| APEX Fits: all 1989 Spectrum engines | ATC3001 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| APEX Fits: all 1989 Spectrum engines | ABS300 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| BECK/ARNLEY Fits: 1.5L L4 | 0523426 | 🇺🇸 US 🇨🇦 CA | FrontEngine Design: LC5 | View on Amazon |
| CORTECO Fits: 1.5L L4 | 14273 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| CORTECO Fits: 1.5L L4 | 17198 | 🇺🇸 US 🇨🇦 CA | Seal Set9 Engine CODE 1 PC RUBBER BRG SEAL MOLDED RUBBER | View on Amazon |
| FEL-PRO Fits: all 1989 Spectrum engines | TCS45702 | 🇺🇸 US 🇨🇦 CA | FrontCrankshaft Front Seal Set | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 1500109 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| ROL GASKETS Fits: 1.5L L4 | TS11910 | 🇺🇸 US 🇨🇦 CA | Front Crank Seal Set | View on Amazon |
| SCHAEFFLER Fits: all 1989 Spectrum engines | SS2340 | 🇺🇸 US 🇨🇦 CA | Front1.74" O.D. X 0.24" Width | View on Amazon |
| SKF Fits: all 1989 Spectrum engines | 34120 | 🇺🇸 US 🇨🇦 CA | Rear | 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.
13 Crankshaft Seal parts are listed for the 1989 Geo Spectrum, from FEL-PRO, APEX, CORTECO and 7 other brands. FEL-PRO BS40524 carries the "Popular" badge. 9 parts fit every engine; the other 4 are engine-specific.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular Fits: 1.5L L4 | 0351797 | 🇺🇸 US 🇨🇦 CA | Head Gasket LC5 - Isuzu Engine | View on Amazon |
| FEL-PRO Popular Fits: all 1989 Spectrum engines | 9436PT | 🇺🇸 US 🇨🇦 CA | Permatorque | View on Amazon |
| ITM ENGINE COMPONENTS Popular Fits: 1.5L L4 Turbocharged | 0941922 | 🇺🇸 US 🇨🇦 CA | Graphite Composite Head Gasket | View on Amazon |
| AJUSA Fits: all 1989 Spectrum engines | 10031300 | 🇺🇸 US 🇨🇦 CA | 78 Bore DiameterEngine 4XC1 | View on Amazon |
| APEX Fits: all 1989 Spectrum engines | AHG300 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: 1.5L L4 | HDGIS3 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ Fits: all 1989 Spectrum engines | 611118400 | 🇺🇸 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.
7 Cylinder Head Gasket parts for the 1989 Geo Spectrum come from 7 brands — BECK/ARNLEY, FEL-PRO, ITM ENGINE COMPONENTS and 4 other brands. The "Popular" part is BECK/ARNLEY 0351797. 4 parts fit every engine; the other 3 are engine-specific.
Listed part numbers: BECK/ARNLEY 0351797, FEL-PRO 9436PT and ITM ENGINE COMPONENTS 0941922, plus the other parts above.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: all 1989 Spectrum engines | AHS3000 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO Popular Fits: all 1989 Spectrum engines | HS9436PT | 🇺🇸 US 🇨🇦 CA | Includes Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals | View on Amazon |
| AJUSA Fits: 1.5L L4 Turbocharged | 52127300 | 🇺🇸 US 🇨🇦 CA | Engine 4XC1T | View on Amazon |
| BECK/ARNLEY Fits: 1.5L L4 | 0322748 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 0911914 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| OMNI 5 Fits: 1.5L L4 | PWC11914 | 🇺🇸 US 🇨🇦 CA | 8 Valves | View on Amazon |
| TOPLINE Fits: 1.5L L4 | HSIS3 | 🇺🇸 US 🇨🇦 CA | Includes Valve Stem Seals | View on Amazon |
| VICTOR REINZ Fits: 1.5L L4 Turbocharged | 021105901 | 🇺🇸 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.
8 Cylinder Head Gasket Set parts for the 1989 Geo Spectrum come from 8 brands — APEX, FEL-PRO, AJUSA and 5 other brands. The "Popular" part is APEX AHS3000. 3 parts fit every engine; the other 5 are engine-specific.
Listed part numbers: APEX AHS3000, FEL-PRO HS9436PT and AJUSA 52127300, plus the other parts above.
Cylinder Head Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 1989 Spectrum engines | 555108 | 🇺🇸 US 🇨🇦 CA | Nominal Dia.: 5/8"Metric Dia. | View on Amazon |
| DORMAN Fits: all 1989 Spectrum engines | 565100 | 🇺🇸 US 🇨🇦 CA | Nominal Dia.: 30mmMetric Dia. | View on Amazon |
This table covers the Cylinder Head 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.
DORMAN supplies both parts for the 1989 Geo Spectrum. All of them fit every engine offered in the 1989 Spectrum.
Listed part numbers: DORMAN 555108 and DORMAN 565100.
Cylinder Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: all 1989 Spectrum engines | CSL2216 | 🇺🇸 US 🇨🇦 CA | 1/8 IN Wall Thickness | View on Amazon |
| MELLING Fits: all 1989 Spectrum engines | CSL1116 | 🇺🇸 US 🇨🇦 CA | 3/32 IN Wall Thickness | View on Amazon |
This table covers the wear sleeves used to restore a Cylinder seal surface.
2 Cylinder Repair Sleeve parts for the 1989 Geo Spectrum come from MELLING. Every part fits both the 1.5L L4 and the 1.5L L4 Turbocharged.
This group includes MELLING CSL2216 and MELLING CSL1116.
Engine Block Heater
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KAT'S HEATERS Fits: all 1989 Spectrum engines | 11424 | 🇺🇸 US 🇨🇦 CA | Freeze Plug Heater | View on Amazon |
| KAT'S HEATERS Fits: all 1989 Spectrum engines | 16400 | 🇺🇸 US 🇨🇦 CA | Lower Radiator Hose Heater | View on Amazon |
This table covers the block heaters that warm the coolant or oil in cold weather.
KAT'S HEATERS supplies both parts for the 1989 Geo Spectrum. All of them fit every engine offered in the 1989 Spectrum.
This group includes KAT'S HEATERS 11424 and KAT'S HEATERS 16400.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: all 1989 Spectrum engines | 50141300 | 🇺🇸 US 🇨🇦 CA | Engine 4XC1 | View on Amazon |
| APEX Fits: all 1989 Spectrum engines | AFS3000 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 1.5L L4 | 0901910 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 1.5L L4 Turbocharged | 0901923 | 🇺🇸 US 🇨🇦 CA | with Engine Code 4XC1T Only | View on Amazon |
| TOPLINE Fits: 1.5L L4 | CGSIS3 | 🇺🇸 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.
5 Engine Kit Gasket Set parts for the 1989 Geo Spectrum come from 4 brands — ITM ENGINE COMPONENTS, AJUSA, APEX and 1 other brand. 2 parts fit every engine; the other 3 are engine-specific.
Part numbers include AJUSA 50141300, APEX AFS3000 and ITM ENGINE COMPONENTS 0901910, among others listed above.
Exhaust Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular Fits: all 1989 Spectrum engines | 0213289 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 1.5L L4 | RX35080 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: 1.5L L4 Turbocharged | RX35032 | 🇺🇸 US 🇨🇦 CA | turbocharged | View on Amazon |
| QUALCAST Fits: all 1989 Spectrum engines | 1010104 | 🇺🇸 US 🇨🇦 CA | 1.220 Head Diameter. 0.274 Stem | View on Amazon |
| SEALED POWER Fits: 1.5L L4 | V2336 | 🇺🇸 US 🇨🇦 CA | Chrome Plated StemSize | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | EVIS3 | 🇺🇸 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.
6 Exhaust Valve parts are listed for the 1989 Geo Spectrum, from ITM ENGINE COMPONENTS, BECK/ARNLEY, QUALCAST and 2 other brands. BECK/ARNLEY 0213289 carries the "Popular" badge. 3 parts fit every engine; the other 3 are engine-specific.
Listed part numbers: BECK/ARNLEY 0213289, ITM ENGINE COMPONENTS RX35080 and ITM ENGINE COMPONENTS RX35032, plus the other parts above.
Expansion Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: all 1989 Spectrum engines | 555093 | 🇺🇸 US 🇨🇦 CA | SteelNominal Dia.: 35.21mm | View on Amazon |
| DORMAN Fits: all 1989 Spectrum engines | 565093 | 🇺🇸 US 🇨🇦 CA | Nominal Dia.: 35.21mmMetric Dia. | View on Amazon |
| QUALCAST Fits: all 1989 Spectrum engines | 970214 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| QUALCAST Fits: all 1989 Spectrum engines | 970214B | 🇺🇸 US 🇨🇦 CA | Brass | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | EPSC11 | 🇺🇸 US 🇨🇦 CA | 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.
5 Expansion Plug parts for the 1989 Geo Spectrum come from 3 brands — DORMAN, QUALCAST and TOPLINE. The "Popular" part is DORMAN 555093. Every part fits both the 1.5L L4 and the 1.5L L4 Turbocharged.
Part numbers include DORMAN 555093, DORMAN 565093 and QUALCAST 970214, among others listed above.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1989 Spectrum engines | MS93261 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| MAHLE / CLEVITE Popular Fits: all 1989 Spectrum engines | MS15399 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| APEX Fits: all 1989 Spectrum engines | AMS3000 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| BECK/ARNLEY Fits: 1.5L L4 | 0374655 | 🇺🇸 US 🇨🇦 CA | INT Manifold Gasket LC5 - Isuzu Engine | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 0951925 | 🇺🇸 US 🇨🇦 CA | with Engine Code 4XC1 Only | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 1.5L L4 Turbocharged | 0951942 | 🇺🇸 US 🇨🇦 CA | with Engine Code 4XC1T Only | View on Amazon |
| OMNI 5 Fits: 1.5L L4 | PWC51925 | 🇺🇸 US 🇨🇦 CA | Engine CODE 4XC1 ONLY | 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 for the 1989 Geo Spectrum come from 6 brands — ITM ENGINE COMPONENTS, FEL-PRO, MAHLE / CLEVITE and 3 other brands. The "Popular" part is FEL-PRO MS93261. 4 parts fit every engine; the other 3 are engine-specific.
Listed part numbers: FEL-PRO MS93261, MAHLE / CLEVITE MS15399 and APEX AMS3000, plus the other parts above.
Intake Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular Fits: all 1989 Spectrum engines | 0213288 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SEALED POWER Popular Fits: all 1989 Spectrum engines | V2337 | 🇺🇸 US 🇨🇦 CA | Chrome Plated StemSize | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | RV35080 | 🇺🇸 US 🇨🇦 CA | Non-Turbo | View on Amazon |
| MELLING Fits: 1.5L L4 | V5105 | 🇺🇸 US 🇨🇦 CA | Head Diameter 1.415Isuzu Engine | View on Amazon |
| QUALCAST Fits: all 1989 Spectrum engines | 1010105 | 🇺🇸 US 🇨🇦 CA | 1.415 Head Diameter 0.274 Stem | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | IVIS3 | 🇺🇸 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.
6 Intake Valve parts are listed for the 1989 Geo Spectrum, from BECK/ARNLEY, SEALED POWER, ITM ENGINE COMPONENTS and 3 other brands. BECK/ARNLEY 0213288 carries the "Popular" badge. 5 parts fit every engine; the other 1 is engine-specific.
Listed part numbers: BECK/ARNLEY 0213288, SEALED POWER V2337 and ITM ENGINE COMPONENTS RV35080, plus the other parts above.
Motor Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEA / MARMON RIDE CONTROL Popular Fits: 1.5L L4 | A6860 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| DEA / MARMON RIDE CONTROL Popular Fits: 1.5L L4 Turbocharged | A6851 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| ANCHOR Fits: 1.5L L4 | 8826 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| ANCHOR Fits: 1.5L L4 Turbocharged | 8439 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| ANCHOR Fits: 1.5L L4 Turbocharged | 8976 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| DEA / MARMON RIDE CONTROL Fits: 1.5L L4 | A6861 | 🇺🇸 US 🇨🇦 CA | FrontManual trans. | View on Amazon |
| PIONEER Fits: 1.5L L4 | 628439 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| WESTAR Fits: all 1989 Spectrum engines | EM8439 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| WESTAR Fits: 1.5L L4 Turbocharged | EM8442 | 🇺🇸 US 🇨🇦 CA | Front | 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.
9 Motor Mount parts are listed for the 1989 Geo Spectrum, from DEA / MARMON RIDE CONTROL, ANCHOR, WESTAR and 1 other brand. DEA / MARMON RIDE CONTROL A6860 carries the "Popular" badge. 1 part fits every engine; the other 8 are engine-specific.
Listed part numbers: DEA / MARMON RIDE CONTROL A6860, DEA / MARMON RIDE CONTROL A6851 and ANCHOR 8826, plus the other parts above.
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 and VALVOLINE.
Full Synthetic
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: all 1989 Spectrum engines | 125195 | 🇺🇸 US 🇨🇦 CA | Full Synthetic 5W-30Mobil Full Synthetic | View on Amazon |
| MOBIL Fits: all 1989 Spectrum engines | 122319 | 🇺🇸 US 🇨🇦 CA | 10W-30Mobil 1 Advanced | View on Amazon |
| MOBIL Fits: all 1989 Spectrum engines | 124315 | 🇺🇸 US 🇨🇦 CA | 5W-30Mobil 1 Advanced | View on Amazon |
| MOBIL Fits: all 1989 Spectrum engines | 102990 | 🇺🇸 US 🇨🇦 CA | Extended Performance 10W-30Mobil 1 Extended Performance | View on Amazon |
| MOBIL Fits: all 1989 Spectrum engines | 112627 | 🇺🇸 US 🇨🇦 CA | Extended Performance 5W-30Mobil 1 Extended Performance | View on Amazon |
| VALVOLINE Fits: all 1989 Spectrum engines | VV955 | 🇺🇸 US 🇨🇦 CA | Advanced Protection Full Synthetic SAE 5W-301 Quart | View on Amazon |
| VALVOLINE Fits: all 1989 Spectrum 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 1989 Spectrum engines | VV1556 | 🇺🇸 US 🇨🇦 CA | Max Life High Mileage Synthetic Blend SAE 5W-301 Quart | View on Amazon |
| MOBIL Fits: all 1989 Spectrum engines | 125201 | 🇺🇸 US 🇨🇦 CA | Full Synthetic High Mileage 5W-301 Quart | View on Amazon |
| MOBIL Fits: all 1989 Spectrum engines | 103535 | 🇺🇸 US 🇨🇦 CA | High Mileage 10W-30Mobil 1 High Mileage | View on Amazon |
| MOBIL Fits: all 1989 Spectrum engines | 103767 | 🇺🇸 US 🇨🇦 CA | High Mileage 5W-30Mobil 1 High Mileage | View on Amazon |
| MOBIL Fits: all 1989 Spectrum engines | 123842 | 🇺🇸 US 🇨🇦 CA | Extended Performance High Mileage 5W-30Synthetic | View on Amazon |
| VALVOLINE Fits: all 1989 Spectrum engines | VV179 | 🇺🇸 US 🇨🇦 CA | Full Synthetic High Mileage with Max Life Technology SAE 5W-301 Quart | View on Amazon |
| VALVOLINE Fits: all 1989 Spectrum engines | 881163 | 🇺🇸 US 🇨🇦 CA | Max Life High Mileage Synthetic Blend SAE 5W-30Easy Pour 5 Quart | View on Amazon |
| VALVOLINE Fits: all 1989 Spectrum engines | 881169 | 🇺🇸 US 🇨🇦 CA | Full Synthetic High Mileage with Max Life Technology SAE 5W-30Easy Pour 5 Quart | View on Amazon |
Synthetic Blend
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: all 1989 Spectrum engines | 124406 | 🇺🇸 US 🇨🇦 CA | Super 10W-30Mobil Super | View on Amazon |
| MOBIL Popular Fits: all 1989 Spectrum engines | 124407 | 🇺🇸 US 🇨🇦 CA | Super 5W-30Mobil Super | View on Amazon |
| VALVOLINE Fits: all 1989 Spectrum engines | 797975 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 5W-30 Synthetic Blend1 Quart | View on Amazon |
| VALVOLINE Fits: all 1989 Spectrum 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.
19 Oil parts are listed for the 1989 Geo Spectrum, from MOBIL and VALVOLINE. MOBIL 125195 carries the "Popular" badge. All of them fit every engine offered in the 1989 Spectrum.
In the Full Synthetic grade, MOBIL and VALVOLINE supply 7 parts: full-synthetic oils. A representative part number is MOBIL 125195.
The High Mileage (>75,000 Miles) section lists 8 options from VALVOLINE and MOBIL — oils grouped for high-mileage engines. VALVOLINE VV1556 is listed in this group.
In the Synthetic Blend grade, MOBIL and VALVOLINE supply 4 parts: synthetic-blend oils. A representative part number is MOBIL 124406.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: all 1989 Spectrum engines | 090053 | 🇺🇸 US 🇨🇦 CA | MetalPilot Point | View on Amazon |
| AGS Fits: all 1989 Spectrum engines | ODP00007 | 🇺🇸 US 🇨🇦 CA | M14x1.50 | View on Amazon |
| DORMAN Fits: all 1989 Spectrum engines | 090033 | 🇺🇸 US 🇨🇦 CA | StandardM14-1.50 | View on Amazon |
| DORMAN Fits: all 1989 Spectrum engines | 092020 | 🇺🇸 US 🇨🇦 CA | Thread Size: M14-1.50Twist Style | View on Amazon |
| SKP Fits: all 1989 Spectrum engines | SK090053CD | 🇺🇸 US 🇨🇦 CA | Metal | View on Amazon |
This table covers the drain plugs in the oil pan.
5 Oil Drain Plug parts are listed for the 1989 Geo Spectrum, from DORMAN, AGS and SKP. DORMAN 090053 carries the "Popular" badge. All of them fit every engine offered in the 1989 Spectrum.
Listed part numbers: DORMAN 090053, AGS ODP00007 and DORMAN 090033, plus the other parts above.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: all 1989 Spectrum engines | 21012700 | 🇺🇸 US 🇨🇦 CA | Engine 4XC1 | View on Amazon |
| DORMAN Fits: all 1989 Spectrum engines | 097026 | 🇺🇸 US 🇨🇦 CA | Size1/2" DO, 9"/16", M14 | View on Amazon |
| DORMAN Fits: all 1989 Spectrum engines | 097135 | 🇺🇸 US 🇨🇦 CA | SizeM14, 9/16" | 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.
3 Oil Drain Plug Gasket parts for the 1989 Geo Spectrum come from 2 brands — DORMAN and AJUSA. Every part fits both the 1.5L L4 and the 1.5L L4 Turbocharged.
Listed part numbers: AJUSA 21012700, DORMAN 097026 and DORMAN 097135.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: all 1989 Spectrum engines | MO101 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the caps on the oil filler neck.
One part is listed for the 1989 Geo Spectrum — MOTORAD MO101.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: all 1989 Spectrum engines | 72228WS | 🇺🇸 US 🇨🇦 CA | Workshop Oil Filter | View on Amazon |
| FRAM Fits: 1.5L L4 | FE9688 | 🇺🇸 US 🇨🇦 CA | Spin-OnTough Guard or Synthetic Endurance | View on Amazon |
| FVP Fits: all 1989 Spectrum engines | R1334A | 🇺🇸 US 🇨🇦 CA | Spin-On Filter | View on Amazon |
| PRO-TEC Fits: all 1989 Spectrum engines | PXL51334 | 🇺🇸 US 🇨🇦 CA | Spin-On Filter | View on Amazon |
| VARIOUS MFR Fits: all 1989 Spectrum engines | PG4459 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WIX Popular Fits: all 1989 Spectrum engines | 51334XP | 🇺🇸 US 🇨🇦 CA | XP Extreme DutyBest for Synthetic Motor Oils | View on Amazon |
| MOBIL Fits: all 1989 Spectrum engines | M1104A | 🇺🇸 US 🇨🇦 CA | Extended Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Popular Fits: all 1989 Spectrum engines | 3312 | 🇺🇸 US 🇨🇦 CA | Premium Oil FilterConnection Size: M20X1.5 | View on Amazon |
| DENSO Popular Fits: all 1989 Spectrum engines | 1502043 | 🇺🇸 US 🇨🇦 CA | Engine Oil Filter or FTF Engine Oil Filter | View on Amazon |
| WIX Popular Fits: all 1989 Spectrum engines | 51334 | 🇺🇸 US 🇨🇦 CA | Bypass Relief Valve Setting: 8-11 PSISpin-On Filter | View on Amazon |
| ACDELCO Fits: all 1989 Spectrum engines | PF1127 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentGasket Inner Diameter (mm): 54.6mm | View on Amazon |
| ACDELCO Fits: all 1989 Spectrum engines | PF661 | 🇺🇸 US 🇨🇦 CA | Gold / ProfessionalSpin-On | View on Amazon |
| BECK/ARNLEY Fits: 1.5L L4 | 0418163 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HASTINGS / BALDWIN Fits: all 1989 Spectrum engines | LF402 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
| MAHLE / CLEVITE Fits: all 1989 Spectrum engines | OC1673 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
| MOTORCRAFT Fits: all 1989 Spectrum engines | FL810A | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VARIOUS MFR Fits: all 1989 Spectrum 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.
17 Oil Filter parts are listed for the 1989 Geo Spectrum, from BOSCH, VARIOUS MFR, WIX and 10 other brands. WIX 51334XP carries the "Popular" badge. 15 parts fit every engine; the other 2 are engine-specific.
In the Economy grade, BOSCH, FRAM, FVP and 2 other brands supply 5 parts: the catalog's value-priced group. A representative part number is BOSCH 72228WS.
In the High Performance / Heavy Duty grade, WIX and MOBIL supply 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is WIX 51334XP.
The Standard Replacement section lists 10 options from ACDELCO, BOSCH, DENSO and 6 other brands — built to original-equipment specification. BOSCH 3312 is listed in this group.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1989 Spectrum engines | OS30539C | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AJUSA Fits: 1.5L L4 Turbocharged | 14023800 | 🇺🇸 US 🇨🇦 CA | Engine 4XC1T | View on Amazon |
| APEX Fits: all 1989 Spectrum engines | AOP300 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BECK/ARNLEY Fits: 1.5L L4 | 0340771 | 🇺🇸 US 🇨🇦 CA | Oil Pan Gasket LC5 - ISUZU Engine | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 0991910 | 🇺🇸 US 🇨🇦 CA | Non-Turbo | View on Amazon |
| VICTOR REINZ Fits: all 1989 Spectrum engines | 101039901 | 🇺🇸 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.
6 Oil Pan Gasket parts are listed for the 1989 Geo Spectrum, from FEL-PRO, AJUSA, APEX and 3 other brands. FEL-PRO OS30539C carries the "Popular" badge. 4 parts fit every engine; the other 2 are engine-specific.
This group includes FEL-PRO OS30539C, AJUSA 14023800 and APEX AOP300 and the remaining parts above.
Oil Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 057850 | 🇺🇸 US 🇨🇦 CA | Non-Turbo | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | OPIS3 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit.
2 Oil Pump parts are listed for the 1989 Geo Spectrum, from ITM ENGINE COMPONENTS and TOPLINE. All of them fit every engine offered in the 1989 Spectrum.
Part numbers include ITM ENGINE COMPONENTS 057850 and TOPLINE OPIS3.
Oil Pump Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER Fits: all 1989 Spectrum engines | SR3467 | 🇺🇸 US 🇨🇦 CA | 11.13 mm Width38.1 mm Outside Diameter | View on Amazon |
| TIMKEN Fits: all 1989 Spectrum engines | KWK99128 | 🇺🇸 US 🇨🇦 CA | Kwik-Sleeve | View on Amazon |
This table covers the wear sleeves used to restore a Oil Pump seal surface.
2 Oil Pump Repair Sleeve parts for the 1989 Geo Spectrum come from 2 brands — SCHAEFFLER and TIMKEN. Every part fits both the 1.5L L4 and the 1.5L L4 Turbocharged.
This group includes SCHAEFFLER SR3467 and TIMKEN KWK99128.
Oil Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: all 1989 Spectrum engines | 224020 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS Popular Fits: all 1989 Spectrum engines | WS224020 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BCA Fits: all 1989 Spectrum engines | NS224020 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| JAPANESE OE Fits: all 1989 Spectrum engines | KJ113195 | 🇺🇸 US 🇨🇦 CA | KP | View on Amazon |
| SCHAEFFLER Fits: all 1989 Spectrum engines | SS2344 | 🇺🇸 US 🇨🇦 CA | 6 MM Width46.14 mm Outside Diameter | View on Amazon |
| TIMKEN Fits: all 1989 Spectrum engines | 223235 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals at the Oil Pump. 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.
6 Oil Pump Seal parts for the 1989 Geo Spectrum come from 6 brands — NATIONAL, WJB / INMOTION PARTS, BCA and 3 other brands. The "Popular" part is NATIONAL 224020. Every part fits both the 1.5L L4 and the 1.5L L4 Turbocharged.
Part numbers include NATIONAL 224020, WJB / INMOTION PARTS WS224020 and BCA NS224020, among others listed above.
Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | RY6493 | 🇺🇸 US 🇨🇦 CA | Compression Ratio 9.6:1-77mm | View on Amazon |
| TOPLINE Fits: 1.5L L4 | PAIS3 | 🇺🇸 US 🇨🇦 CA | Includes Rings | View on Amazon |
| TOPLINE Fits: 1.5L L4 Turbocharged | PAIS3T | 🇺🇸 US 🇨🇦 CA | with Rings | 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.
3 Piston parts for the 1989 Geo Spectrum come from 2 brands — TOPLINE and ITM ENGINE COMPONENTS. 1 part fits every engine; the other 2 are engine-specific.
Part numbers include ITM ENGINE COMPONENTS RY6493, TOPLINE PAIS3 and TOPLINE PAIS3T.
Piston Ring
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS MANUFACTURING Fits: all 1989 Spectrum engines | 2M4241 | 🇺🇸 US 🇨🇦 CA | Full SetPlasma Moly Top Ring | View on Amazon |
| HASTINGS MANUFACTURING Fits: all 1989 Spectrum engines | 2M4241S | 🇺🇸 US 🇨🇦 CA | Plasma Moly Top Ring1 Cylinder Set | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS MANUFACTURING Popular Fits: all 1989 Spectrum engines | 2C4646 | 🇺🇸 US 🇨🇦 CA | Full SetTop Groove: 1.20 mm | View on Amazon |
| ITM ENGINE COMPONENTS Popular Fits: 1.5L L4 | 0216154 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| HASTINGS MANUFACTURING Fits: all 1989 Spectrum engines | 2C4646S | 🇺🇸 US 🇨🇦 CA | Chrome Top Ring1 Cylinder Set | View on Amazon |
| HASTINGS MANUFACTURING Fits: all 1989 Spectrum engines | 4241 | 🇺🇸 US 🇨🇦 CA | Full SetPlain Cast Top Ring | View on Amazon |
| HASTINGS MANUFACTURING Fits: all 1989 Spectrum engines | 4241S | 🇺🇸 US 🇨🇦 CA | 1 Cylinder SetFor 2 Ring Piston | View on Amazon |
| ITM ENGINE COMPONENTS Fits: 1.5L L4 Turbocharged | 0216406 | 🇺🇸 US 🇨🇦 CA | 1.2 X 1.2 X 2.8mmSet | View on Amazon |
| TOPLINE Fits: 1.5L L4 | RSIS3 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
9 Piston Ring parts for the 1989 Geo Spectrum come from 3 brands — HASTINGS MANUFACTURING, ITM ENGINE COMPONENTS and TOPLINE. The "Popular" part is HASTINGS MANUFACTURING 2C4646. 6 parts fit every engine; the other 3 are engine-specific.
In the Premium grade, HASTINGS MANUFACTURING supplies 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is HASTINGS MANUFACTURING 2M4241.
Standard Replacement: 7 parts, from HASTINGS MANUFACTURING, ITM ENGINE COMPONENTS and TOPLINE. A representative part number is HASTINGS MANUFACTURING 2C4646.
Part numbers include HASTINGS MANUFACTURING 2C4646, HASTINGS MANUFACTURING 2M4241 and HASTINGS MANUFACTURING 2M4241S, among others listed above.
Rocker Arm
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 0566226 | 🇺🇸 US 🇨🇦 CA | Non-Turbo | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | RAIS3 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the rocker arms that transfer cam motion to the valves.
2 Rocker Arm parts are listed for the 1989 Geo Spectrum, from ITM ENGINE COMPONENTS and TOPLINE. All of them fit every engine offered in the 1989 Spectrum.
This group includes ITM ENGINE COMPONENTS 0566226 and TOPLINE RAIS3.
Rocker Arm Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 0568166 | 🇺🇸 US 🇨🇦 CA | Exhaust | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 0568167 | 🇺🇸 US 🇨🇦 CA | Intake | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | RASEIS3 | 🇺🇸 US 🇨🇦 CA | Exhaust | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | RASIIS3 | 🇺🇸 US 🇨🇦 CA | Intake | View on Amazon |
This table covers the Rocker Arm shafts.
4 Rocker Arm Shaft parts are listed for the 1989 Geo Spectrum, from ITM ENGINE COMPONENTS and TOPLINE. All of them fit every engine offered in the 1989 Spectrum.
Part numbers include ITM ENGINE COMPONENTS 0568166, ITM ENGINE COMPONENTS 0568167 and TOPLINE RASEIS3, among others listed above.
Thrust Washer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 1T1003 | 🇺🇸 US 🇨🇦 CA | Base (Size: Standard) | View on Amazon |
This table covers the Thrust washers.
One part is listed for the 1989 Geo Spectrum — ITM ENGINE COMPONENTS 1T1003.
Timing Belt
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Popular Fits: all 1989 Spectrum engines | B162 | 🇺🇸 US 🇨🇦 CA | Camshaft | View on Amazon |
| CONTINENTAL Fits: all 1989 Spectrum engines | CD162 | 🇺🇸 US 🇨🇦 CA | Mileage Maker | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 4126 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular Fits: 1.5L L4 | 0260222 | 🇺🇸 US 🇨🇦 CA | Engine Design: LC5 | View on Amazon |
| SEALED POWER Fits: all 1989 Spectrum engines | 222B162 | 🇺🇸 US 🇨🇦 CA | Interference Engine. | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | TBIS3 | 🇺🇸 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.
6 Timing Belt parts for the 1989 Geo Spectrum come from 6 brands — CLOYES, CONTINENTAL, ITM ENGINE COMPONENTS and 3 other brands. The "Popular" part is CLOYES B162. 5 parts fit every engine; the other 1 is engine-specific.
The Economy section: 3 options from CLOYES, CONTINENTAL and ITM ENGINE COMPONENTS. CLOYES B162 is listed in this group.
Standard Replacement: 3 parts, from BECK/ARNLEY, SEALED POWER and TOPLINE. A representative part number is BECK/ARNLEY 0260222.
Listed part numbers: CLOYES B162, CONTINENTAL CD162 and ITM ENGINE COMPONENTS 4126, plus the other parts above.
Timing Belt & Component Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB Fits: all 1989 Spectrum engines | 24400162 | 🇺🇸 US 🇨🇦 CA | with High Temperature Belt | View on Amazon |
| GMB Fits: all 1989 Spectrum engines | 24450118 | 🇺🇸 US 🇨🇦 CA | with Standard Temperature Belt | View on Amazon |
| GMB Fits: all 1989 Spectrum engines | 34400162 | 🇺🇸 US 🇨🇦 CA | Includes Water Pump | View on Amazon |
| US MOTOR WORKS Fits: all 1989 Spectrum engines | USTK162 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Timing Belt & component kits.
4 Timing Belt & Component Kit parts are listed for the 1989 Geo Spectrum, from GMB and US MOTOR WORKS. All of them fit every engine offered in the 1989 Spectrum.
Listed part numbers: GMB 24400162, GMB 24450118 and GMB 34400162, plus the other parts above.
Timing Belt Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: 1.5L L4 | 0241049 | 🇺🇸 US 🇨🇦 CA | Engine Design: LC5 | View on Amazon |
This table covers the Timing Belt pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt.
One part is listed for the 1989 Geo Spectrum — BECK/ARNLEY 0241049.
Timing Belt Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB Popular Fits: all 1989 Spectrum engines | 4409430 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| CLOYES Fits: all 1989 Spectrum engines | 95134 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| INA Fits: all 1989 Spectrum engines | ZT9134 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| S.A. GEAR Fits: all 1989 Spectrum engines | 9134 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TOPLINE Fits: all 1989 Spectrum engines | BTIS3 | 🇺🇸 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.
5 Timing Belt Tensioner parts are listed for the 1989 Geo Spectrum, from GMB, CLOYES, INA and 2 other brands. GMB 4409430 carries the "Popular" badge. All of them fit every engine offered in the 1989 Spectrum.
This group includes GMB 4409430, CLOYES 95134 and INA ZT9134 and the remaining parts above.
Timing Cam Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: all 1989 Spectrum engines | S626 | 🇺🇸 US 🇨🇦 CA | FrontTeeth: 46 | View on Amazon |
| INA Fits: all 1989 Spectrum engines | ZSS626 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 50509 | 🇺🇸 US 🇨🇦 CA | Base | View on Amazon |
This table covers the Timing Cam sprockets.
3 Timing Cam Sprocket parts are listed for the 1989 Geo Spectrum, from CLOYES, INA and ITM ENGINE COMPONENTS. All of them fit every engine offered in the 1989 Spectrum.
Part numbers include CLOYES S626, INA ZSS626 and ITM ENGINE COMPONENTS 50509.
Timing Chain Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 60197 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the tensioners that keep the timing chain taut. 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.
One part is listed for the 1989 Geo Spectrum — ITM ENGINE COMPONENTS 60197.
Timing Cover Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Fits: all 1989 Spectrum engines | 99128 | 🇺🇸 US 🇨🇦 CA | Shaft Diameter: 1.260 In | View on Amazon |
This table covers the wear sleeves used to restore a Timing Cover seal surface.
One part is listed for the 1989 Geo Spectrum — SKF 99128.
Timing Cover Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 1500108 | 🇺🇸 US 🇨🇦 CA | CS | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 1500120 | 🇺🇸 US 🇨🇦 CA | TC/Oil Pump | View on Amazon |
| SKF Fits: all 1989 Spectrum engines | 12706 | 🇺🇸 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 are listed for the 1989 Geo Spectrum, from ITM ENGINE COMPONENTS and SKF. All of them fit every engine offered in the 1989 Spectrum.
This group includes ITM ENGINE COMPONENTS 1500108, ITM ENGINE COMPONENTS 1500120 and SKF 12706.
Timing Crank Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: all 1989 Spectrum engines | S641 | 🇺🇸 US 🇨🇦 CA | OuterAdjustable: No | View on Amazon |
| INA Fits: all 1989 Spectrum engines | ZSS641 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 50510 | 🇺🇸 US 🇨🇦 CA | Base | View on Amazon |
| S.A. GEAR Fits: all 1989 Spectrum engines | S641 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the crankshaft sprockets that drive the timing chain or belt.
4 Timing Crank Sprocket parts are listed for the 1989 Geo Spectrum, from CLOYES, INA, ITM ENGINE COMPONENTS and 1 other brand. All of them fit every engine offered in the 1989 Spectrum.
Part numbers include CLOYES S641, INA ZSS641 and ITM ENGINE COMPONENTS 50510, among others listed above.
Torque Strut Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Fits: 1.5L L4 | 8438 | 🇺🇸 US 🇨🇦 CA | Rear UpperTube Only | View on Amazon |
| DEA / MARMON RIDE CONTROL Fits: all 1989 Spectrum engines | A6865 | 🇺🇸 US 🇨🇦 CA | Front LeftSolid | View on Amazon |
| PIONEER Fits: all 1989 Spectrum engines | 658438 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
This table covers the Torque Strut mounts. 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.
3 Torque Strut Mount parts for the 1989 Geo Spectrum come from 3 brands — ANCHOR, DEA / MARMON RIDE CONTROL and PIONEER. 2 parts fit every engine; the other 1 is engine-specific.
Part numbers include ANCHOR 8438, DEA / MARMON RIDE CONTROL A6865 and PIONEER 658438.
Turbocharger Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 1.5L L4 Turbocharged | JTC11395 | 🇺🇸 US 🇨🇦 CA | Mounting Gasket Set | View on Amazon |
This table covers the gaskets that seal the Turbocharger. 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.
This group shows a single part: AJUSA JTC11395.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1989 Spectrum engines | VS50291R1 | 🇺🇸 US 🇨🇦 CA | Permadry Molded RubberIncludes Valve Cover Grommets | View on Amazon |
| FEL-PRO Popular Fits: all 1989 Spectrum engines | VS50291R | 🇺🇸 US 🇨🇦 CA | Includes Permadry molded rubber gasketValve Cover Grommets Not Included | View on Amazon |
| OMNI 5 Popular Fits: 1.5L L4 | PWC31910 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| APEX Fits: all 1989 Spectrum engines | AVC300 | 🇺🇸 US 🇨🇦 CA | Does Not Include Grommets | View on Amazon |
| APEX Fits: all 1989 Spectrum engines | AVC300S | 🇺🇸 US 🇨🇦 CA | Includes Grommets | View on Amazon |
| BECK/ARNLEY Fits: 1.5L L4 | 0361300 | 🇺🇸 US 🇨🇦 CA | LC5 | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 0931910 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE Fits: all 1989 Spectrum engines | VS50003 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
| ROL GASKETS Fits: 1.5L L4 | VS965 | 🇺🇸 US 🇨🇦 CA | Valve Cover Gasket SetRUBBER - 9 Engine CODE - FI | 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.
9 Valve Cover Gasket parts are listed for the 1989 Geo Spectrum, from FEL-PRO, APEX, OMNI 5 and 4 other brands. FEL-PRO VS50291R1 carries the "Popular" badge. 6 parts fit every engine; the other 3 are engine-specific.
Part numbers include FEL-PRO VS50291R1, FEL-PRO VS50291R and OMNI 5 PWC31910, among others listed above.
Valve Cover Grommet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Fits: all 1989 Spectrum engines | AES300 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| DORMAN Fits: 1.5L L4 Turbocharged | 42502 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO Fits: all 1989 Spectrum engines | ES70338 | 🇺🇸 US 🇨🇦 CA | SOHC engineGrommet Set | View on Amazon |
This table covers the Valve Cover grommets.
3 Valve Cover Grommet parts are listed for the 1989 Geo Spectrum, from APEX, DORMAN and FEL-PRO. 2 parts fit every engine; the other 1 is engine-specific.
Listed part numbers: APEX AES300, DORMAN 42502 and FEL-PRO ES70338.
Valve Guide
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Popular Fits: all 1989 Spectrum engines | VG1093CI | 🇺🇸 US 🇨🇦 CA | Cast Iron | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | VG1094CI | 🇺🇸 US 🇨🇦 CA | Cast Iron | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | VG1093BR | 🇺🇸 US 🇨🇦 CA | Bronze | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | VG1094BR | 🇺🇸 US 🇨🇦 CA | Bronze | View on Amazon |
| QUALCAST Fits: all 1989 Spectrum engines | 308014 | 🇺🇸 US | Intake1.695 OAL. 0.455 O.D. | 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.
5 Valve Guide parts are listed for the 1989 Geo Spectrum, from ITM ENGINE COMPONENTS and QUALCAST. ITM ENGINE COMPONENTS VG1093CI carries the "Popular" badge. All of them fit every engine offered in the 1989 Spectrum.
This group includes ITM ENGINE COMPONENTS VG1093CI, ITM ENGINE COMPONENTS VG1094CI and ITM ENGINE COMPONENTS VG1093BR and the remaining parts above.
Valve Seat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST Fits: all 1989 Spectrum engines | 21131261 | 🇺🇸 US | Exhaust1.060T I.D. 1-5/16 O.D. 0.275 Depth | View on Amazon |
| QUALCAST Fits: all 1989 Spectrum engines | 21156270 | 🇺🇸 US | Intake1.180T I.D. 1-9/16 O.D. 0.305 Depth | View on Amazon |
| SEALED POWER Fits: 1.5L L4 | 245131261 | 🇺🇸 US 🇨🇦 CA | Exhaust Valve Seat K, 7, 9 Engine CodeSOHC | View on Amazon |
This table covers the Valve seats.
3 Valve Seat parts for the 1989 Geo Spectrum come from 2 brands — QUALCAST and SEALED POWER. 2 parts fit every engine; the other 1 is engine-specific.
This group includes QUALCAST 21131261, QUALCAST 21156270 and SEALED POWER 245131261.
Valve Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | VS1224 | 🇺🇸 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.
This group shows a single part: ITM ENGINE COMPONENTS VS1224.
Valve Spring Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | 051256 | 🇺🇸 US 🇨🇦 CA | Non-Turbo | View on Amazon |
This table covers the Valve Spring retainers.
This group shows a single part: ITM ENGINE COMPONENTS 051256.
Valve Spring Retainer Keeper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST Fits: all 1989 Spectrum engines | 345001 | 🇺🇸 US 🇨🇦 CA | 1 Round Groove | View on Amazon |
| SBI Fits: all 1989 Spectrum engines | 1211048 | 🇺🇸 US 🇨🇦 CA | Intake and Exhaust0.2980 Length | View on Amazon |
This table covers the keepers that lock each valve-spring retainer to the stem.
2 Valve Spring Retainer Keeper parts for the 1989 Geo Spectrum come from 2 brands — QUALCAST and SBI. Every part fits both the 1.5L L4 and the 1.5L L4 Turbocharged.
This group includes QUALCAST 345001 and SBI 1211048.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1989 Spectrum engines | SS72678 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| QUALCAST Popular Fits: all 1989 Spectrum engines | 3898045 | 🇺🇸 US 🇨🇦 CA | Guide Inside Diameter (In): 0.450Guide Inside Diameter (mm): 11.43 | View on Amazon |
| APEX Fits: all 1989 Spectrum engines | AVS3000 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| ITM ENGINE COMPONENTS Fits: all 1989 Spectrum engines | SS294 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| MAHLE / CLEVITE Fits: all 1989 Spectrum engines | B45571 | 🇺🇸 US 🇨🇦 CA | Fits Exhaustor Intake | View on Amazon |
| SBI Fits: all 1989 Spectrum engines | 1221130 | 🇺🇸 US 🇨🇦 CA | Intake and ExhaustViton Material | View on Amazon |
| TOPLINE Fits: all 1989 Spectrum engines | VSSIS3 | 🇺🇸 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.
7 Valve Stem Seal parts are listed for the 1989 Geo Spectrum, from FEL-PRO, QUALCAST, APEX and 4 other brands. FEL-PRO SS72678 carries the "Popular" badge. All of them fit every engine offered in the 1989 Spectrum.
This group includes FEL-PRO SS72678, QUALCAST 3898045 and APEX AVS3000 and the remaining parts above.
Buying Engine Parts for a 1989 Geo Spectrum
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: Oil and Oil Filter .
Frequently Asked Questions
How many engine parts fit the 1989 Geo Spectrum?
Our catalog currently lists 251 engine parts for the 1989 Geo Spectrum across 55 subcategories and 52 brands, covering both the 1.5L L4 and the 1.5L L4 Turbocharged. Each part is matched to the engine(s) it fits.
Do engine parts differ between 1989 Geo Spectrum engines?
Some do. 198 parts fit every engine; the other 53 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 1989 Geo Spectrum?
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 1989 Geo Spectrum?
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 1989 Geo Spectrum 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 1989 Geo Spectrum?
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 1989 Geo Spectrum
Switch vehicle or jump to a subcategory
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.