169 Engine parts are listed for the 1988 Excalibur Phaeton, in 32 part types, covering both the 5.0L 305cid V8 and the 5.7L 350cid V8. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1988 Excalibur Phaeton, 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 Crankshaft Seal (16 parts), Connecting Rod Bearing (11 parts) and Cylinder Head Gasket (11 parts). The other 29 part types cover the remaining 131 parts.
The 1988 Excalibur Phaeton was sold with both the 5.0L 305cid V8 and the 5.7L 350cid V8. 122 parts fit every engine; the other 47 are engine-specific. Each part shows which engine(s) it fits.
14 brands supply engine parts for the 1988 Excalibur Phaeton, led by ARP (33 parts), FEL-PRO (27 parts) and VICTOR REINZ (26 parts), plus 11 more brands. Quality grades include High Performance, Standard Replacement and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1988 Excalibur Phaeton. 33 parts have it, including KING ENGINE BEARINGS CR807XPN (Connecting Rod Bearing) and FEL-PRO CS8510 (Conversion / Lower Gasket Set). Each part number opens a page with every vehicle that part fits.
Bolt Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: all 1988 Phaeton engines | 5349701 | 🇺🇸 US 🇨🇦 CA | Black Oxide12 Point Bolt Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 5349801 | 🇺🇸 US 🇨🇦 CA | Hex Bolt Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 5349601 | 🇺🇸 US 🇨🇦 CA | Stainless Steel Hex Bolt Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 5349501 | 🇺🇸 US 🇨🇦 CA | Stainless Steel12 Point Bolt Head | View on Amazon |
This table covers the Bolt kits.
ARP supplies the 4 Bolt Kit parts for the 1988 Excalibur Phaeton. All of them fit every engine offered in the 1988 Phaeton.
This group includes ARP 5349701, ARP 5349801 and ARP 5349601 and the remaining parts above.
Camshaft Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: all 1988 Phaeton engines | 1341001 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Camshaft bolts.
This group shows a single part: ARP 1341001.
Connecting Rod Bearing
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Popular Fits: all 1988 Phaeton engines | CR807XPN | 🇺🇸 US | SetRace bearings, Trimetal [Pmax Black] | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | CR807HPND | 🇺🇸 US | SetRace bearings, Bimetal (Alecular) | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | CR807HPNDX | 🇺🇸 US | SetRace bearings, Bimetal (Alecular) | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | CR807XPNX | 🇺🇸 US | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | CR807XPND | 🇺🇸 US | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | CR807XPNDX | 🇺🇸 US | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Popular Fits: all 1988 Phaeton engines | CR807SI | 🇺🇸 US | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| KING ENGINE BEARINGS Popular Fits: all 1988 Phaeton engines | CR807SIX | 🇺🇸 US | Setbimetal (aluminum silicon base) | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | CR865SI | 🇺🇸 US | SetBimetal (Aluminum Silicon Base) | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | CR807HPNX | 🇺🇸 US | Race bearings, Bimetal (Alecular)Set | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | CR807HPN | 🇺🇸 US | SetRace bearings, Bimetal (Alecular) | 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.
KING ENGINE BEARINGS supplies the 11 Connecting Rod Bearing parts for the 1988 Excalibur Phaeton. KING ENGINE BEARINGS CR807XPN carries the "Popular" badge. All of them fit every engine offered in the 1988 Phaeton.
In the High Performance grade, KING ENGINE BEARINGS supplies 6 parts: engineered beyond original-equipment specification. A representative part number is KING ENGINE BEARINGS CR807XPN.
The Standard Replacement section lists 3 options from KING ENGINE BEARINGS — built to original-equipment specification. KING ENGINE BEARINGS CR807SI is listed in this group.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
Connecting Rod Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: all 1988 Phaeton engines | 1346003 | 🇺🇸 US 🇨🇦 CA | Large Journal 3/8" | View on Amazon |
| ARP Fits: 5.0L 305cid V8 | 1346001 | 🇺🇸 US 🇨🇦 CA | Small Journal 11/32" | View on Amazon |
This table covers the Connecting Rod bolts.
2 Connecting Rod Bolt parts for the 1988 Excalibur Phaeton come from ARP. 1 part fits every engine; the other 1 is engine-specific.
This group includes ARP 1346003 and ARP 1346001.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1988 Phaeton engines | CS8510 | 🇺🇸 US | Permadry Rubber Oil Pan Gasket(s) Included | View on Amazon |
| APEX Fits: all 1988 Phaeton engines | ACS3023 | 🇺🇸 US | View on Amazon | |
| ENGINE PRO Fits: all 1988 Phaeton engines | 378510 | 🇺🇸 US | ONE-PIECE REAR MAIN SEAL | View on Amazon |
| MAHLE / CLEVITE Fits: all 1988 Phaeton engines | CS1178A | 🇺🇸 US | 1 Piece Rear Main Seal | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 081005001 | 🇺🇸 US | 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.
5 Conversion / Lower Gasket Set parts are listed for the 1988 Excalibur Phaeton, from FEL-PRO, APEX, ENGINE PRO and 2 other brands. FEL-PRO CS8510 carries the "Popular" badge. All of them fit every engine offered in the 1988 Phaeton.
Listed part numbers: FEL-PRO CS8510, APEX ACS3023 and ENGINE PRO 378510, plus the other parts above.
Crankshaft Main Bearing
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Popular Fits: all 1988 Phaeton engines | MB557XP | 🇺🇸 US | SetRace bearings, Trimetal [Pmax Black] | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | MB557HP | 🇺🇸 US | alecular (racing line)Set | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | MB557HPX | 🇺🇸 US | alecular (racing line)Set | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | MB557XPX | 🇺🇸 US | Race bearings, Trimetal [Pmax Black]Set | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | MB557XPC | 🇺🇸 US | pmaxkote (racing line), polymer coatedSet | View on Amazon |
| KING ENGINE BEARINGS Fits: all 1988 Phaeton engines | MB557XPCX | 🇺🇸 US | pmaxkote (racing line), polymer coatedSet | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS Popular Fits: all 1988 Phaeton engines | MB557SI | 🇺🇸 US | SetBimetal (Aluminum Silicon Base) | 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.
7 Crankshaft Main Bearing parts for the 1988 Excalibur Phaeton come from KING ENGINE BEARINGS. The "Popular" part is KING ENGINE BEARINGS MB557XP. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
The High Performance section: 6 options from KING ENGINE BEARINGS. KING ENGINE BEARINGS MB557XP is listed in this group.
Standard Replacement: 1 part, from KING ENGINE BEARINGS. A representative part number is KING ENGINE BEARINGS MB557SI.
Part numbers include KING ENGINE BEARINGS MB557XP, KING ENGINE BEARINGS MB557HP and KING ENGINE BEARINGS MB557HPX, among others listed above.
Crankshaft Main Bearing Cap Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: all 1988 Phaeton engines | 1345401 | 🇺🇸 US 🇨🇦 CA | Stud2-Bolt | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 1345601 | 🇺🇸 US 🇨🇦 CA | Stud4-Bolt | View on Amazon |
This table covers the Crankshaft Main Bearing Cap bolts.
ARP supplies both parts for the 1988 Excalibur Phaeton. All of them fit every engine offered in the 1988 Phaeton.
Listed part numbers: ARP 1345401 and ARP 1345601.
Crankshaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: all 1988 Phaeton engines | 99176 | 🇺🇸 US | Front0.563 IN Width | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: all 1988 Phaeton engines | WS99176 | 🇺🇸 US | Installation Depth: 0.81299999999999994 InShaft Diameter Minimum (In): 1.7609999999999999 In | View on Amazon |
| BCA Fits: all 1988 Phaeton engines | NS99364 | 🇺🇸 US | Rear | View on Amazon |
| FEL-PRO Fits: all 1988 Phaeton engines | 16258 | 🇺🇸 US | RearUse with Installation tool | View on Amazon |
| SCHAEFFLER Fits: all 1988 Phaeton engines | SR3568 | 🇺🇸 US | Rear15.09 mm Width | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 711453900 | 🇺🇸 US | Rear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1988 Phaeton engines | WS99364 | 🇺🇸 US | Rear | View on Amazon |
This table covers the sleeves used to restore a grooved crankshaft seal surface.
7 Crankshaft Repair Sleeve parts for the 1988 Excalibur Phaeton come from 6 brands — WJB / INMOTION PARTS, NATIONAL, BCA and 3 other brands. The "Popular" part is NATIONAL 99176. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
This group includes NATIONAL 99176, WJB / INMOTION PARTS WS99176 and BCA NS99364 and the remaining parts above.
Crankshaft Repair Sleeve Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VICTOR REINZ Fits: all 1988 Phaeton engines | 711454000 | 🇺🇸 US | View on Amazon |
This table covers the Crankshaft Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes.
This group shows a single part: VICTOR REINZ 711454000.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1988 Phaeton engines | BS40520 | 🇺🇸 US | Rubber | View on Amazon |
| FEL-PRO Popular Fits: all 1988 Phaeton engines | BS40626 | 🇺🇸 US | PTFE RubberIncludes Sleeve | View on Amazon |
| NATIONAL Popular Fits: all 1988 Phaeton engines | 9845 | 🇺🇸 US | Front0.375 IN Width | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: all 1988 Phaeton engines | WS9845 | 🇺🇸 US | Housing Bore: 2.4089999999999998 InInside Diameter: 1.7629999999999999 In | View on Amazon |
| APEX Fits: all 1988 Phaeton engines | ABS323 | 🇺🇸 US | Rear | View on Amazon |
| BCA Fits: all 1988 Phaeton engines | NS9845 | 🇺🇸 US | Front0.375 IN Width | View on Amazon |
| BCA Fits: all 1988 Phaeton engines | NS4359V | 🇺🇸 US | Viton | View on Amazon |
| NATIONAL Fits: all 1988 Phaeton engines | 5274 | 🇺🇸 US | Rear0.492 IN Width | View on Amazon |
| NATIONAL Fits: all 1988 Phaeton engines | 4359V | 🇺🇸 US | Rear0.492 IN Width | View on Amazon |
| NATIONAL Fits: all 1988 Phaeton engines | 5274A | 🇺🇸 US | Includes Gasket | View on Amazon |
| SCHAEFFLER Fits: all 1988 Phaeton engines | SS2784 | 🇺🇸 US | Front9.53 mm Width | View on Amazon |
| SCHAEFFLER Fits: all 1988 Phaeton engines | SR3932 | 🇺🇸 US | View on Amazon | |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 191007201 | 🇺🇸 US | PTFESet | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 191010801 | 🇺🇸 US | Set | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1988 Phaeton engines | WS4359V | 🇺🇸 US | Housing Bore: 4.5279999999999996 InMaterial: Fluoro-Elastomer | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1988 Phaeton engines | WS5274 | 🇺🇸 US | Material: PTFEThickness: 0.49199999999999999 In | 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.
16 Crankshaft Seal parts for the 1988 Excalibur Phaeton come from 7 brands — NATIONAL, WJB / INMOTION PARTS, FEL-PRO and 4 other brands. The "Popular" part is FEL-PRO BS40520. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Popular Fits: all 1988 Phaeton engines | 1343601 | 🇺🇸 US 🇨🇦 CA | SetHex Bolt Head | View on Amazon |
| FEL-PRO Popular Fits: all 1988 Phaeton engines | ES72856 | 🇺🇸 US | Set | View on Amazon |
| APEX Fits: all 1988 Phaeton engines | AHB322 | 🇺🇸 US | Set | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 1343701 | 🇺🇸 US 🇨🇦 CA | SetBlack Oxide | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 1343703 | 🇺🇸 US 🇨🇦 CA | SetBlack Oxide Inner Rows, Stainless Steel Outer Row | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 1343603 | 🇺🇸 US 🇨🇦 CA | SetStainless Steel Hex Bolt Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 1344001 | 🇺🇸 US 🇨🇦 CA | Stud TypeHex Bolt Head | View on Amazon |
| MAHLE / CLEVITE Fits: all 1988 Phaeton engines | GS33285 | 🇺🇸 US | Cylinder Head Bolt KitSet | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 141004801 | 🇺🇸 US | Set | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
9 Cylinder Head Bolt parts are listed for the 1988 Excalibur Phaeton, from ARP, FEL-PRO, APEX and 2 other brands. ARP 1343601 carries the "Popular" badge. All of them fit every engine offered in the 1988 Phaeton.
This group includes ARP 1343601, FEL-PRO ES72856 and APEX AHB322 and the remaining parts above.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: 5.0L 305cid V8 | AHG324 | 🇺🇸 US | View on Amazon | |
| FEL-PRO Popular Fits: 5.0L 305cid V8 | 8510PT | 🇺🇸 US | Permatorque | View on Amazon |
| FEL-PRO Popular Fits: 5.7L 350cid V8 | 501SD | 🇺🇸 US | Permatorque Severe Duty | View on Amazon |
| APEX Fits: 5.7L 350cid V8 | AHG322 | 🇺🇸 US | View on Amazon | |
| FEL-PRO Fits: 5.0L 305cid V8 | 505SD | 🇺🇸 US | Permatorque Severe Duty | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | 7733PT2 | 🇺🇸 US | Permatorque | View on Amazon |
| MAHLE / CLEVITE Fits: 5.0L 305cid V8 | 3514VC | 🇺🇸 US | Composite | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | 1178VC | 🇺🇸 US | Composite | View on Amazon |
| VICTOR REINZ Fits: 5.0L 305cid V8 | 611033600 | 🇺🇸 US | View on Amazon | |
| VICTOR REINZ Fits: 5.0L 305cid V8 | 611060800 | 🇺🇸 US | Severe Duty | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 611031900 | 🇺🇸 US | 0.045 IN Thick | 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.
11 Cylinder Head Gasket parts are listed for the 1988 Excalibur Phaeton, from FEL-PRO, VICTOR REINZ, APEX and 1 other brand. APEX AHG324 carries the "Popular" badge.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.0L 305cid V8 | HS8510PT4 | 🇺🇸 US | Includes Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals | View on Amazon |
| FEL-PRO Popular Fits: 5.7L 350cid V8 | HS7733PT15 | 🇺🇸 US | Exhaust Valve Stem Seals for Heavy Duty not IncludedIncludes Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals | View on Amazon |
| APEX Fits: 5.0L 305cid V8 | AHS3034 | 🇺🇸 US | View on Amazon | |
| APEX Fits: 5.7L 350cid V8 | AHS3023 | 🇺🇸 US | View on Amazon | |
| FEL-PRO Fits: 5.0L 305cid V8 | HS8510PT4VK | 🇺🇸 US | Includes Head Bolts, Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals | View on Amazon |
| FEL-PRO Fits: 5.7L 350cid V8 | HS7733PT15VK | 🇺🇸 US | Exhaust Valve Stem Seals for Heavy Duty not IncludedIncludes Head Bolts, Valve Stem Seals, Permadry Molded Rubber Valve Cover Gasket(s) | View on Amazon |
| MAHLE / CLEVITE Fits: 5.0L 305cid V8 | HS3514VK | 🇺🇸 US | Contains Positive Type Valve Stem Seals | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | HS1178VN | 🇺🇸 US | Includes Valve Stem Seals | View on Amazon |
| VICTOR REINZ Fits: 5.0L 305cid V8 | 021032901 | 🇺🇸 US | View on Amazon | |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 021060101 | 🇺🇸 US | 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.
10 Cylinder Head Gasket Set parts are listed for the 1988 Excalibur Phaeton, from FEL-PRO, APEX, MAHLE / CLEVITE and 1 other brand. FEL-PRO HS8510PT4 carries the "Popular" badge.
Cylinder Head Spacer Shim
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | 55138 | 🇺🇸 US | View on Amazon | |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 711382900 | 🇺🇸 US | View on Amazon |
This table covers the Cylinder Head Spacer shims.
2 Cylinder Head Spacer Shim parts are listed for the 1988 Excalibur Phaeton, from MAHLE / CLEVITE and VICTOR REINZ.
Part numbers include MAHLE / CLEVITE 55138 and VICTOR REINZ 711382900.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Fits: 5.0L 305cid V8 | AFS3034 | 🇺🇸 US | View on Amazon | |
| APEX Fits: 5.7L 350cid V8 | AFS3023 | 🇺🇸 US | View on Amazon | |
| ENGINE PRO Fits: 5.7L 350cid V8 | 311003 | 🇺🇸 US | FEL-Pro CO-Branded Performance Gasket Sets with Permatorque Steel Core Laminate Head Gaskets | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | 311003MLS | 🇺🇸 US | FEL-Pro CO-Branded Perfomance Gasket Sets with MLS Head Gaskets | 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.
4 Engine Kit Gasket Set parts are listed for the 1988 Excalibur Phaeton, from APEX and ENGINE PRO.
Listed part numbers: APEX AFS3034, APEX AFS3023 and ENGINE PRO 311003, plus the other parts above.
Harmonic Balancer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINE PRO Fits: 5.7L 350cid V8 | PB2221ST | 🇺🇸 US | High Performance Street Series Damper 6.75" OD | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | PB1012ST | 🇺🇸 US | High Performance Street Series Damper 6.10" OD | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | PB2221SS | 🇺🇸 US | SFI Race Series Damper 6.75" Outside Diameter | View on Amazon |
| ENGINE PRO Fits: 5.7L 350cid V8 | PB1012SS | 🇺🇸 US | SFI Race Series Damper 6.10" Outside Diameter | View on Amazon |
This table covers the crankshaft pulleys / harmonic balancers at the front of the engine.
ENGINE PRO supplies the 4 Harmonic Balancer parts for the 1988 Excalibur Phaeton.
This group includes ENGINE PRO PB2221ST, ENGINE PRO PB1012ST and ENGINE PRO PB2221SS and the remaining parts above.
Harmonic Balancer Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: all 1988 Phaeton engines | 4306801 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ARP Fits: all 1988 Phaeton engines | 2002807 | 🇺🇸 US 🇨🇦 CA | 1pc Rear Main Seal | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 1342501 | 🇺🇸 US 🇨🇦 CA | 5/8 Socket Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 2342501 | 🇺🇸 US 🇨🇦 CA | 13/16 Socket Head | View on Amazon |
This table covers the Harmonic Balancer bolts.
4 Harmonic Balancer Bolt parts for the 1988 Excalibur Phaeton come from ARP. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
Listed part numbers: ARP 4306801, ARP 2002807 and ARP 1342501, plus the other parts above.
Harmonic Balancer Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Popular Fits: all 1988 Phaeton engines | A228 | 🇺🇸 US | Nickel Plated Formed Steel | View on Amazon |
| NATIONAL Popular Fits: all 1988 Phaeton engines | 88176 | 🇺🇸 US | Except flange tear line | View on Amazon |
| BCA Fits: all 1988 Phaeton engines | NS5000 | 🇺🇸 US | View on Amazon | |
| FEL-PRO Fits: all 1988 Phaeton engines | 16202 | 🇺🇸 US | Use with Installation Tool | View on Amazon |
| NATIONAL Fits: all 1988 Phaeton engines | 5000 | 🇺🇸 US | KitNitrile | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 711347500 | 🇺🇸 US | View on Amazon |
This table covers the wear sleeves used to restore a Harmonic Balancer seal surface.
6 Harmonic Balancer Repair Sleeve parts for the 1988 Excalibur Phaeton come from 5 brands — NATIONAL, MAHLE / CLEVITE, BCA and 2 other brands. The "Popular" part is MAHLE / CLEVITE A228. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
This group includes MAHLE / CLEVITE A228, NATIONAL 88176 and BCA NS5000 and the remaining parts above.
Intake Manifold Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: all 1988 Phaeton engines | 1342001 | 🇺🇸 US 🇨🇦 CA | Hex Bolt Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 1342101 | 🇺🇸 US 🇨🇦 CA | Black Oxide12 Point Bolt Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 4342001 | 🇺🇸 US 🇨🇦 CA | Stainless Steel Hex Bolt Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 4342101 | 🇺🇸 US 🇨🇦 CA | Stainless Steel12 Point Bolt Head | View on Amazon |
This table covers the Intake Manifold bolts.
ARP supplies the 4 Intake Manifold Bolt parts for the 1988 Excalibur Phaeton. All of them fit every engine offered in the 1988 Phaeton.
Part numbers include ARP 1342001, ARP 1342101 and ARP 4342001, among others listed above.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 5.7L 350cid V8 | MS903142 | 🇺🇸 US | Set | View on Amazon |
| FEL-PRO Fits: 5.0L 305cid V8 | MS93317 | 🇺🇸 US | Set | View on Amazon |
| MAHLE / CLEVITE Fits: 5.0L 305cid V8 | MS15401 | 🇺🇸 US | Composite | View on Amazon |
| MAHLE / CLEVITE Fits: 5.7L 350cid V8 | MS15315 | 🇺🇸 US | CompositeContains One Crossover Restrictor | View on Amazon |
| ULTRA-POWER Fits: 5.7L 350cid V8 | MS903142 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| VICTOR REINZ Fits: 5.0L 305cid V8 | 111061301 | 🇺🇸 US | Set | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 111015801 | 🇺🇸 US | Set | View on Amazon |
| VICTOR REINZ Fits: 5.7L 350cid V8 | 111062601 | 🇺🇸 US | 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.
8 Intake Manifold Gasket parts are listed for the 1988 Excalibur Phaeton, from VICTOR REINZ, FEL-PRO, MAHLE / CLEVITE and 1 other brand. FEL-PRO MS903142 carries the "Popular" badge.
Listed part numbers: FEL-PRO MS903142, FEL-PRO MS93317 and MAHLE / CLEVITE MS15401, plus the other parts above.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: all 1988 Phaeton engines | 70822 | 🇺🇸 US | 0.500 (in) Inside Diameter x 0.900 (in) Outside DiameterFlat Washer | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 711346200 | 🇺🇸 US | 0.500 IN Inside Diameter | 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.
2 Oil Drain Plug Gasket parts are listed for the 1988 Excalibur Phaeton, from FEL-PRO and VICTOR REINZ. All of them fit every engine offered in the 1988 Phaeton.
Part numbers include FEL-PRO 70822 and VICTOR REINZ 711346200.
Oil Pan Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Popular Fits: all 1988 Phaeton engines | 2341802 | 🇺🇸 US 🇨🇦 CA | Black OxideHex Bolt Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 4341802 | 🇺🇸 US 🇨🇦 CA | With Standard 2 Piece Cork GasketStainless Steel Hex Bolt Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 2341901 | 🇺🇸 US 🇨🇦 CA | Stainless SteelHex Bolt Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 2341902 | 🇺🇸 US 🇨🇦 CA | 12 Point Bolt Head | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 4341804 | 🇺🇸 US 🇨🇦 CA | With 1 Piece Rubber GasketStainless Steel Hex Bolt Head | View on Amazon |
This table covers the Oil Pan bolts.
5 Oil Pan Bolt parts for the 1988 Excalibur Phaeton come from ARP. The "Popular" part is ARP 2341802. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
This group includes ARP 2341802, ARP 4341802 and ARP 2341901 and the remaining parts above.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: all 1988 Phaeton engines | AOP323 | 🇺🇸 US | View on Amazon | |
| FEL-PRO Popular Fits: all 1988 Phaeton engines | OS34500R | 🇺🇸 US | Permadry Molded Rubber | View on Amazon |
| ENGINE PRO Fits: all 1988 Phaeton engines | 311886 | 🇺🇸 US | Chevrolet Small Block Engines, GM Bow Tie Short Deck, Non-CNC Bow Tie with 2 Piece Seal Adapter | View on Amazon |
| SKP Fits: all 1988 Phaeton engines | SKOS34500R | 🇺🇸 US | View on Amazon | |
| ULTRA-POWER Fits: 5.7L 350cid V8 | OS34500R | 🇺🇸 US 🇨🇦 CA | SetMolded Rubber Gasket(s) Included | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 101026101 | 🇺🇸 US | Improved Design | 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 for the 1988 Excalibur Phaeton come from 6 brands — APEX, FEL-PRO, ENGINE PRO and 3 other brands. The "Popular" part is APEX AOP323. 5 parts fit every engine; the other 1 is engine-specific.
Listed part numbers: APEX AOP323, FEL-PRO OS34500R and ENGINE PRO 311886, plus the other parts above.
Oil Pump Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: all 1988 Phaeton engines | 1347901 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Pump shafts.
This group shows a single part: ARP 1347901.
Oil Pump Shaft Guide / Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: all 1988 Phaeton engines | 72665 | 🇺🇸 US | View on Amazon | |
| MAHLE / CLEVITE Fits: all 1988 Phaeton engines | H31354 | 🇺🇸 US | NylonRetainer Material: Plastic | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 711403800 | 🇺🇸 US | Distributor to oil pump shaft retainer | View on Amazon |
This table covers the Oil Pump Shaft Guide retainers.
3 Oil Pump Shaft Guide / Retainer parts are listed for the 1988 Excalibur Phaeton, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ. All of them fit every engine offered in the 1988 Phaeton.
Part numbers include FEL-PRO 72665, MAHLE / CLEVITE H31354 and VICTOR REINZ 711403800.
Piston
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SILV-O-LITE Popular Fits: 5.7L 350cid V8 | 3437HC | 🇺🇸 US | Hyper-CoatedOffset Pin Configuration | View on Amazon |
| SILV-O-LITE Fits: 5.7L 350cid V8 | 3437HCK1 | 🇺🇸 US | Hyper-CoatedOffset Pin Configuration | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SILV-O-LITE Popular Fits: 5.7L 350cid V8 | 1479H | 🇺🇸 US | HypereutecticOffset Pin Configuration | View on Amazon |
| SILV-O-LITE Fits: 5.7L 350cid V8 | 1472 | 🇺🇸 US | Offset Pin ConfigurationPress Pin Type | View on Amazon |
| SILV-O-LITE Fits: 5.7L 350cid V8 | 1472K1 | 🇺🇸 US | Offset Pin ConfigurationPress Pin Type | View on Amazon |
| SILV-O-LITE Fits: 5.7L 350cid V8 | 1479HK1 | 🇺🇸 US | HypereutecticOffset Pin Configuration | 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.
SILV-O-LITE supplies the 6 Piston parts for the 1988 Excalibur Phaeton. SILV-O-LITE 3437HC carries the "Popular" badge.
The Premium section lists 2 options from SILV-O-LITE — a step above OE specification in materials, tolerances or warranty terms. SILV-O-LITE 3437HC is listed in this group.
The Standard Replacement section: 4 options from SILV-O-LITE. SILV-O-LITE 1479H is listed in this group.
This group includes SILV-O-LITE 3437HC, SILV-O-LITE 3437HCK1 and SILV-O-LITE 1479H and the remaining parts above.
Rocker Arm Stud
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: all 1988 Phaeton engines | 1347103 | 🇺🇸 US 🇨🇦 CA | Installed Height 1.770?Adjuster Thread Length 0.670? | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 1347104 | 🇺🇸 US 🇨🇦 CA | 3/8" With Roller Rocker | View on Amazon |
| ARP Fits: all 1988 Phaeton engines | 1347101 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ARP Fits: all 1988 Phaeton engines | 2347201 | 🇺🇸 US 🇨🇦 CA | 3/8-7/16" Rocker Arm Stud Kit | View on Amazon |
This table covers the Rocker Arm studs.
4 Rocker Arm Stud parts for the 1988 Excalibur Phaeton come from ARP. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
This group includes ARP 1347103, ARP 1347104 and ARP 1347101 and the remaining parts above.
Timing Camshaft Gear Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARP Fits: all 1988 Phaeton engines | 2341001 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Timing Camshaft Gear bolts.
One part is listed for the 1988 Excalibur Phaeton — ARP 2341001.
Timing Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX Popular Fits: all 1988 Phaeton engines | ATC3221 | 🇺🇸 US | View on Amazon | |
| FEL-PRO Popular Fits: all 1988 Phaeton engines | TCS45121 | 🇺🇸 US | Repair Sleeve Not Included | View on Amazon |
| FEL-PRO Fits: all 1988 Phaeton engines | TCS45265 | 🇺🇸 US | with Sleeve 'N' Seal | View on Amazon |
| MAHLE / CLEVITE Fits: all 1988 Phaeton engines | JV926 | 🇺🇸 US | Contains Repair SleeveSet | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 151017001 | 🇺🇸 US | Set | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 151026701 | 🇺🇸 US | Set | View on Amazon |
This table covers the gaskets that seal the Timing Cover. 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 Timing Cover Gasket parts for the 1988 Excalibur Phaeton come from 4 brands — FEL-PRO, VICTOR REINZ, APEX and 1 other brand. The "Popular" part is APEX ATC3221. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
This group includes APEX ATC3221, FEL-PRO TCS45121 and FEL-PRO TCS45265 and the remaining parts above.
Timing Cover Repair Sleeve Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: all 1988 Phaeton engines | 16312 | 🇺🇸 US | View on Amazon |
This table covers the Timing Cover Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes.
This group shows a single part: FEL-PRO 16312.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1988 Phaeton engines | VS50293R | 🇺🇸 US | Permadry Molded Rubber | View on Amazon |
| FEL-PRO Popular Fits: all 1988 Phaeton engines | VS50088R | 🇺🇸 US | Permadry Molded Rubber | View on Amazon |
| APEX Fits: all 1988 Phaeton engines | AVC323S | 🇺🇸 US | Both Covers | View on Amazon |
| MAHLE / CLEVITE Fits: all 1988 Phaeton engines | VS50161 | 🇺🇸 US | SetMolded Rubber | View on Amazon |
| SKP Fits: all 1988 Phaeton engines | SKVS50088R | 🇺🇸 US | Services Both Covers | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 151062701 | 🇺🇸 US | View on Amazon | |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 151062601 | 🇺🇸 US | Set | 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.
7 Valve Cover Gasket parts for the 1988 Excalibur Phaeton come from 5 brands — FEL-PRO, VICTOR REINZ, APEX and 2 other brands. The "Popular" part is FEL-PRO VS50293R. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
Part numbers include FEL-PRO VS50293R, FEL-PRO VS50088R and APEX AVC323S, among others listed above.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: all 1988 Phaeton engines | SS5112 | 🇺🇸 US | Set | View on Amazon |
| FEL-PRO Popular Fits: all 1988 Phaeton engines | SS72527 | 🇺🇸 US | Set | View on Amazon |
| APEX Fits: all 1988 Phaeton engines | AVS3022 | 🇺🇸 US | Set | View on Amazon |
| APEX Fits: all 1988 Phaeton engines | AVS3023 | 🇺🇸 US | Set | View on Amazon |
| FEL-PRO Fits: all 1988 Phaeton engines | SS72877 | 🇺🇸 US | Set | View on Amazon |
| MAHLE / CLEVITE Fits: all 1988 Phaeton engines | SS45229 | 🇺🇸 US | SetMolded Rubber | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 121001801 | 🇺🇸 US | SetContains 8 Pieces | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 121003901 | 🇺🇸 US | SetContains 16 Pieces | View on Amazon |
| VICTOR REINZ Fits: all 1988 Phaeton engines | 121002201 | 🇺🇸 US | SetContains 16 Pieces | 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.
9 Valve Stem Seal parts for the 1988 Excalibur Phaeton come from 4 brands — FEL-PRO, VICTOR REINZ, APEX and 1 other brand. The "Popular" part is FEL-PRO SS5112. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
This group includes FEL-PRO SS5112, FEL-PRO SS72527 and APEX AVS3022 and the remaining parts above.
Buying Engine Parts for a 1988 Excalibur Phaeton
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: Crankshaft Seal and Connecting Rod Bearing .
Frequently Asked Questions
How many engine parts fit the 1988 Excalibur Phaeton?
Our catalog currently lists 169 engine parts for the 1988 Excalibur Phaeton across 32 subcategories and 14 brands, covering both the 5.0L 305cid V8 and the 5.7L 350cid V8. Each part is matched to the engine(s) it fits.
Do engine parts differ between 1988 Excalibur Phaeton engines?
Some do. 122 parts fit every engine; the other 47 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 1988 Excalibur Phaeton?
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 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 1988 Excalibur Phaeton 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 1988 Excalibur Phaeton?
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 1988 Excalibur Phaeton
Engine Parts for Other Excalibur Phaeton Years
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