19 Drivetrain parts are listed for the 1988 Ferrari Testarossa, in 2 part types, covering the 4.9L H12 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1988 Ferrari Testarossa, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 19 listed parts are Differential Pinion Bearing / Race (11 parts) and Differential Carrier Bearing / Race (8 parts).
The 1988 Ferrari Testarossa came with a single engine, the 4.9L H12, and every part is verified against it.
4 brands supply drivetrain parts for the 1988 Ferrari Testarossa, led by WJB / INMOTION PARTS (8 parts), BCA (8 parts) and FAMOUS BRAND (2 parts), plus 1 more brand. Quality grades include Economy and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1988 Ferrari Testarossa. 5 parts have it, including WJB / INMOTION PARTS WT362A (Differential Carrier Bearing / Race) and WJB / INMOTION PARTS WTM802048 (Differential Pinion Bearing / Race). Each part number opens a page with every vehicle that part fits.
Differential Carrier Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WT362A | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS Popular | WT368A | 🇺🇸 US 🇨🇦 CA | Rear Leftwith Ferrari Axle | View on Amazon |
| WJB / INMOTION PARTS | WT28521 | 🇺🇸 US 🇨🇦 CA | Cup Outside Diameter (In): 3.625 InRace | View on Amazon |
| WJB / INMOTION PARTS | WT28580 | 🇺🇸 US 🇨🇦 CA | Rear Rightwith Ferrari Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NB362A | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NB28521 | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
| BCA | NB368A | 🇺🇸 US 🇨🇦 CA | Repair Bearing | View on Amazon |
| BCA | NB28580 | 🇺🇸 US 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
This table covers the bearings and races that support the differential carrier.
8 Differential Carrier Bearing / Race parts are listed for the 1988 Ferrari Testarossa, from WJB / INMOTION PARTS and BCA. WJB / INMOTION PARTS WT362A carries the "Popular" badge.
In the Economy grade, WJB / INMOTION PARTS supplies 4 parts: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS WT362A.
The Standard Replacement section lists 4 options from BCA — built to original-equipment specification. BCA NB362A is listed in this group.
Part numbers include WJB / INMOTION PARTS WT362A, WJB / INMOTION PARTS WT368A and WJB / INMOTION PARTS WT28521, among others listed above.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WTM802048 | 🇺🇸 US 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| FAMOUS BRAND | SM802011 | 🇺🇸 US 🇨🇦 CA | RearINNER | View on Amazon |
| FAMOUS BRAND | SM802048 | 🇺🇸 US 🇨🇦 CA | RearINNER | View on Amazon |
| ULTRA-POWER | WTM802048 | 🇺🇸 US 🇨🇦 CA | RearInner | View on Amazon |
| WJB / INMOTION PARTS | WTM802011 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS | WT27820 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS | WT27880 | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Ferrari Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular | NBM802011 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA Popular | NBM802048 | 🇺🇸 US 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| BCA | NB27820 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NB27880 | 🇺🇸 US 🇨🇦 CA | Rear Outer | View on Amazon |
This table covers the bearings and races on the differential pinion.
11 Differential Pinion Bearing / Race parts for the 1988 Ferrari Testarossa come from 4 brands — WJB / INMOTION PARTS, BCA, FAMOUS BRAND and 1 other brand. The "Popular" part is WJB / INMOTION PARTS WTM802048.
The Economy section: 7 options from WJB / INMOTION PARTS, FAMOUS BRAND and ULTRA-POWER. WJB / INMOTION PARTS WTM802048 is listed in this group.
Standard Replacement: 4 parts, from BCA. A representative part number is BCA NBM802011.
Buying Drivetrain Parts for a 1988 Ferrari Testarossa
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Confirm you have the 4.9L H12 engine — every part on this page is matched to it.
- 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 Carrier Bearing / Race .
Frequently Asked Questions
How many drivetrain parts fit the 1988 Ferrari Testarossa?
Our catalog currently lists 19 drivetrain parts for the 1988 Ferrari Testarossa across 2 subcategories and 4 brands, covering the 4.9L H12 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1988 Ferrari Testarossa?
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 1988 Ferrari Testarossa 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 Ferrari Testarossa?
Every part on this page is matched to the 4.9L H12 engine. 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 1988 Ferrari Testarossa
Drivetrain Parts for Other Ferrari Testarossa Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.