This page lists 28 drivetrain parts for the 1990 Buick Century, across 6 part types, covering both the 2.5L 151cid L4 and the 3.1L 189cid V6. Every part shows its brand, manufacturer part number and fitment notes.
On the 1990 Buick Century, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 24 parts of the 28 listed are CV Axle (16 parts), CV Joint Boot (6 parts) and Differential Seal (2 parts). The other 3 part types cover the remaining 4 parts.
The 1990 Buick Century was sold with both the 2.5L 151cid L4 and the 3.1L 189cid V6. 16 parts fit every engine; the other 12 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1990 Buick Century drivetrain parts are CARDONE (4 parts), DORMAN (4 parts) and PIONEER (3 parts), plus 11 more brands. Quality grades include Economy and Standard Replacement.
6 parts on this 1990 Buick Century page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including HERI 70281 (CV Axle) and DORMAN 614001 (CV Joint Boot). Click any part number to see every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 1990 Century engines | 24202835 | 🇺🇸 US 🇨🇦 CA | Fits FrontIn Case | View on Amazon |
This table covers the seals where an axle shaft exits the housing. 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.
This group shows a single part: GM GENUINE 24202835.
CV Axle
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HERI Popular Fits: all 1990 Century engines | 70281 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left3 speed trans. | View on Amazon |
| HERI Popular Fits: 2.5L 151cid L4 | 70584 | 🇺🇸 US 🇨🇦 CA | Front Right4 speed trans. | View on Amazon |
| AUTO EXTRA Fits: 2.5L 151cid L4 | GC88534A | 🇺🇸 US 🇨🇦 CA | Front Rightwith 27T Spline Outer Joint | View on Amazon |
| AUTO EXTRA Fits: 2.5L 151cid L4 | GC88798A | 🇺🇸 US 🇨🇦 CA | Front Leftwith 27T Spline Outer Joint | View on Amazon |
| CARDONE Fits: all 1990 Century engines | 601010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| CARDONE Fits: all 1990 Century engines | 601004 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FAMOUS BRAND Fits: 2.5L 151cid L4 | 1700196928 | 🇺🇸 US 🇨🇦 CA | LeftFront | View on Amazon |
| FAMOUS BRAND Fits: 2.5L 151cid L4 | NCV10027 | 🇺🇸 US 🇨🇦 CA | LeftFront | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Popular Fits: all 1990 Century engines | NCV10526 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| TRAKMOTIVE Popular Fits: all 1990 Century engines | GM8092 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right3 speed trans. | View on Amazon |
| APWI Fits: all 1990 Century engines | GM8009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left3 speed trans. | View on Amazon |
| CARDONE Fits: all 1990 Century engines | 661094 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right3 speed trans. | View on Amazon |
| CARDONE Fits: all 1990 Century engines | 661004 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left3 speed trans. | View on Amazon |
| GSP Fits: all 1990 Century engines | NCV10027 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left3 speed trans. | View on Amazon |
| TOP NOTCH Fits: all 1990 Century engines | TN20007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left3 speed trans. | View on Amazon |
| TRAKMOTIVE Fits: all 1990 Century engines | GM8076 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Include ABS Ring | View on Amazon |
This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes.
16 CV Axle parts for the 1990 Buick Century come from 8 brands — CARDONE, HERI, AUTO EXTRA and 5 other brands. The "Popular" part is HERI 70281. 11 parts fit every engine; the other 5 are engine-specific.
The Economy section lists 8 options from HERI, AUTO EXTRA, CARDONE and 1 other brand — the catalog's value-priced group. HERI 70281 is listed in this group.
In the Standard Replacement grade, GSP, TRAKMOTIVE, CARDONE and 2 other brands supply 8 parts: built to original-equipment specification. A representative part number is GSP NCV10526.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 2.5L 151cid L4 | 614001 | 🇺🇸 US 🇨🇦 CA | Joint Diameter 3.58"Shaft End Inside Diameter .93" | View on Amazon |
| DORMAN Popular Fits: 2.5L 151cid L4 | 03680 | 🇺🇸 US 🇨🇦 CA | OuterJoint Diameter 3.83" | View on Amazon |
| DORMAN Fits: 2.5L 151cid L4 | 614002 | 🇺🇸 US 🇨🇦 CA | Joint Diameter 3.3"Shaft End Inside Diameter 0.87" | View on Amazon |
| DORMAN Fits: 2.5L 151cid L4 | 614700 | 🇺🇸 US 🇨🇦 CA | OuterQuick-Boot | View on Amazon |
| MEVOTECH Fits: 2.5L 151cid L4 | DX523 | 🇺🇸 US 🇨🇦 CA | Front Outer3 speed trans. | View on Amazon |
| MEVOTECH Fits: 2.5L 151cid L4 | DX508 | 🇺🇸 US 🇨🇦 CA | Front Inner4 speed trans. | View on Amazon |
This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.
6 CV Joint Boot parts for the 1990 Buick Century come from 2 brands — DORMAN and MEVOTECH. The "Popular" part is DORMAN 614001.
Listed part numbers: DORMAN 614001, DORMAN 03680 and DORMAN 614002, plus the other parts above.
CV Joint Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 2.5L 151cid L4 | 364104 | 🇺🇸 US 🇨🇦 CA | Fits Bushing, Front Wheel Drive Shaft TRI-POD Joint Boot Right Handwith 3-Speed Automatic Transmission(MD9) or Light Weight Brake System(JA1) or Cast Iron Front Disc/Rear Drum Brake System (J41) | View on Amazon |
This table covers the CV Joint housings.
One part is listed for the 1990 Buick Century — ACDELCO 364104.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Fits: all 1990 Century engines | NO87 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Right | View on Amazon |
| PIONEER Fits: all 1990 Century engines | 759028 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Right | 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 1990 Buick Century, from ATP and PIONEER. All of them fit every engine offered in the 1990 Century.
Listed part numbers: ATP NO87 and PIONEER 759028.
Transfer Case Low Gear Roller Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PIONEER Fits: all 1990 Century engines | 764016 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Roller clutchlow | View on Amazon |
| PIONEER Fits: all 1990 Century engines | 764012 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Roller Clutch3rd clutch | View on Amazon |
This table covers the Transfer Case Low Gear Roller 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.
PIONEER supplies both parts for the 1990 Buick Century. All of them fit every engine offered in the 1990 Century.
Part numbers include PIONEER 764016 and PIONEER 764012.
Buying Drivetrain Parts for a 1990 Buick Century
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: CV Axle and CV Joint Boot .
Frequently Asked Questions
How many drivetrain parts fit the 1990 Buick Century?
Our catalog currently lists 28 drivetrain parts for the 1990 Buick Century across 6 subcategories and 14 brands, covering both the 2.5L 151cid L4 and the 3.1L 189cid V6. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 1990 Buick Century engines?
Some do. 16 parts fit every engine; the other 12 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 1990 Buick Century?
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 1990 Buick Century was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1990 Buick Century?
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 1990 Buick Century
Drivetrain Parts for Other Buick Century Years
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