30 Drivetrain parts are listed for the 1987 Excalibur Phaeton, in 8 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.
The drivetrain system on the 1987 Excalibur Phaeton moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are Differential Pinion Bearing / Race (14 parts), Differential Pinion Seal (4 parts) and Differential Carrier Bearing / Race (3 parts). The other 5 part types cover the remaining 9 parts.
The 1987 Excalibur Phaeton was sold with both the 5.0L 305cid V8 and the 5.7L 350cid V8. 25 parts fit every engine; the other 5 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1987 Excalibur Phaeton drivetrain parts are WJB / INMOTION PARTS (10 parts), BCA (8 parts) and NATIONAL (4 parts), plus 4 more brands. Quality grades include Economy and Standard Replacement.
3 parts on this 1987 Excalibur Phaeton page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including WJB / INMOTION PARTS WTM88048 (Differential Pinion Bearing / Race) and WJB / INMOTION PARTS WTM802048 (Differential Pinion Bearing / Race). Click any part number to see every vehicle that part fits.
Axle Shaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 1987 Phaeton engines | B2412 | 🇺🇸 US | Rearwith 8.5 IN Ring Gear | View on Amazon |
This table covers the Axle Shaft 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.
One part is listed for the 1987 Excalibur Phaeton — NATIONAL B2412.
Differential Carrier Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Fits: all 1987 Phaeton engines | WTA36 | 🇺🇸 US | Rearwith 8.5 IN Ring Gear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 1987 Phaeton engines | A36 | 🇺🇸 US 🇨🇦 CA | GoldSet | View on Amazon |
| BCA Fits: all 1987 Phaeton engines | NBA36 | 🇺🇸 US | Taper Bearing SetIncludes Cup and Cone | View on Amazon |
This table covers the bearings and races that support the differential carrier.
3 Differential Carrier Bearing / Race parts for the 1987 Excalibur Phaeton come from 3 brands — WJB / INMOTION PARTS, ACDELCO and BCA. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
The Economy section lists 1 option from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS WTA36 is listed in this group.
In the Standard Replacement grade, ACDELCO and BCA supply 2 parts: built to original-equipment specification. A representative part number is ACDELCO A36.
Listed part numbers: WJB / INMOTION PARTS WTA36, ACDELCO A36 and BCA NBA36.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular Fits: all 1987 Phaeton engines | WTM88048 | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: all 1987 Phaeton engines | WTM802048 | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
| FAMOUS BRAND Fits: 5.7L 350cid V8 | SM802011 | 🇺🇸 US 🇨🇦 CA | RearInner | View on Amazon |
| FAMOUS BRAND Fits: 5.7L 350cid V8 | SM88010 | 🇺🇸 US 🇨🇦 CA | RearOuter | View on Amazon |
| FAMOUS BRAND Fits: 5.7L 350cid V8 | SM802048 | 🇺🇸 US 🇨🇦 CA | RearInner | View on Amazon |
| ULTRA-POWER Fits: 5.7L 350cid V8 | WTM88048 | 🇺🇸 US 🇨🇦 CA | RearOuter | View on Amazon |
| ULTRA-POWER Fits: 5.7L 350cid V8 | WTM802048 | 🇺🇸 US 🇨🇦 CA | RearInner | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1987 Phaeton engines | WTM802011 | 🇺🇸 US | Race | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1987 Phaeton engines | WTM88010 | 🇺🇸 US | RaceCup Outside Diameter (In): 2.6880000000000002 In | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular Fits: all 1987 Phaeton engines | NBM802048 | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
| BCA Fits: all 1987 Phaeton engines | NBM88010 | 🇺🇸 US | Race | View on Amazon |
| BCA Fits: all 1987 Phaeton engines | NBM802011 | 🇺🇸 US | Race | View on Amazon |
| BCA Fits: all 1987 Phaeton engines | NBM88048 | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
| BCA Fits: all 1987 Phaeton engines | NBBR52 | 🇺🇸 US | Bearing & Race | View on Amazon |
This table covers the bearings and races on the differential pinion.
14 Differential Pinion Bearing / Race parts are listed for the 1987 Excalibur Phaeton, from BCA, WJB / INMOTION PARTS, FAMOUS BRAND and 1 other brand. WJB / INMOTION PARTS WTM88048 carries the "Popular" badge. 9 parts fit every engine; the other 5 are engine-specific.
Economy: 9 parts, from WJB / INMOTION PARTS, FAMOUS BRAND and ULTRA-POWER. A representative part number is WJB / INMOTION PARTS WTM88048.
The Standard Replacement section: 5 options from BCA. BCA NBM802048 is listed in this group.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER Fits: all 1987 Phaeton engines | SS3478 | 🇺🇸 US | Rear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1987 Phaeton engines | WS99187 | 🇺🇸 US | Rear Outerwith 8.5 IN Ring Gear | View on Amazon |
This table covers the wear sleeves used to restore a grooved pinion seal surface.
2 Differential Pinion Repair Sleeve parts for the 1987 Excalibur Phaeton come from 2 brands — SCHAEFFLER and WJB / INMOTION PARTS. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
Part numbers include SCHAEFFLER SS3478 and WJB / INMOTION PARTS WS99187.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1987 Phaeton engines | NS9316 | 🇺🇸 US | Rear Outerwith Spicer 44 Axle(S) | View on Amazon |
| NATIONAL Fits: all 1987 Phaeton engines | 9316 | 🇺🇸 US | Rear Outerwith 8.5 IN Ring Gear | View on Amazon |
| SCHAEFFLER Fits: all 1987 Phaeton engines | SS3226 | 🇺🇸 US | Type of construction: FrsaiRubber, Spring, Auxiliary Lip, Inner shell | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1987 Phaeton engines | WS9316 | 🇺🇸 US | Rear Outerwith 8.5 IN Ring Gear | View on Amazon |
This table covers the seals at the differential pinion yoke. 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.
4 Differential Pinion Seal parts for the 1987 Excalibur Phaeton come from 4 brands — BCA, NATIONAL, SCHAEFFLER and 1 other brand. Every part fits both the 5.0L 305cid V8 and the 5.7L 350cid V8.
This group includes BCA NS9316, NATIONAL 9316 and SCHAEFFLER SS3226 and the remaining parts above.
Differential Rebuild Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Fits: all 1987 Phaeton engines | WKRA339A | 🇺🇸 US | Rearwith 8.5 IN Ring Gear | View on Amazon |
This table covers kits that group the bearings, races and seals for a differential rebuild.
One part is listed for the 1987 Excalibur Phaeton — WJB / INMOTION PARTS WKRA339A.
Differential Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1987 Phaeton engines | NS88187 | 🇺🇸 US | Rearwith Spicer 44 Axle(S) | View on Amazon |
| NATIONAL Fits: all 1987 Phaeton engines | 99150 | 🇺🇸 US | Rearwith 8.5 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1987 Phaeton engines | WS99150 | 🇺🇸 US | Rearwith 8.5 IN Ring Gear | View on Amazon |
This table covers the wear sleeves used to restore a Differential seal surface.
3 Differential Repair Sleeve parts are listed for the 1987 Excalibur Phaeton, from BCA, NATIONAL and WJB / INMOTION PARTS. All of them fit every engine offered in the 1987 Phaeton.
Part numbers include BCA NS88187, NATIONAL 99150 and WJB / INMOTION PARTS WS99150.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 1987 Phaeton engines | 473227V | 🇺🇸 US | Viton | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1987 Phaeton engines | WS473227V | 🇺🇸 US | RearViton Type | View on Amazon |
This table covers the seals at the Differential. 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.
2 Differential Seal parts are listed for the 1987 Excalibur Phaeton, from NATIONAL and WJB / INMOTION PARTS. All of them fit every engine offered in the 1987 Phaeton.
Part numbers include NATIONAL 473227V and WJB / INMOTION PARTS WS473227V.
Buying Drivetrain Parts for a 1987 Excalibur Phaeton
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Match the engine first. Some drivetrain 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 differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Differential Pinion Bearing / Race and Differential Pinion Seal .
Frequently Asked Questions
How many drivetrain parts fit the 1987 Excalibur Phaeton?
Our catalog currently lists 30 drivetrain parts for the 1987 Excalibur Phaeton across 8 subcategories and 7 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 drivetrain parts differ between 1987 Excalibur Phaeton engines?
Some do. 25 parts fit every engine; the other 5 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 drivetrain problems on a 1987 Excalibur Phaeton?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. 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 differential or transfer-case fluid with any axle or seal job while everything is already open.
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 1987 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 1987 Excalibur Phaeton?
First match the engine — each row shows which engine(s) the part fits. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1987 Excalibur Phaeton
Drivetrain Parts for Other Excalibur Phaeton Years
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