This page lists 25 drivetrain parts for the 2003 Buick Lesabre, across 7 part types, covering the 3.8L V6 engine. Every part shows its brand, manufacturer part number and fitment notes.
The drivetrain system on the 2003 Buick Lesabre moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are CV Axle (14 parts), CV Joint Boot (5 parts) and Transfer Case Low Gear Roller Bearing (2 parts). The other 4 part types cover the remaining 4 parts.
Every part on this page is matched to the 3.8L V6 — the only engine offered in the 2003 Buick Lesabre.
The most listed brands for 2003 Buick Lesabre drivetrain parts are GM GENUINE (3 parts), CARDONE (3 parts) and GSP (3 parts), plus 8 more brands. Quality grades include Standard Replacement, Heavy Duty and Economy.
4 parts on this 2003 Buick Lesabre page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GSP NCV10235 (CV Axle) and DORMAN 614003 (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 | 24202835 | 🇺🇸 US 🇨🇦 CA | Front RightIn 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 |
|---|---|---|---|---|
| CARDONE | 601335 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| CARDONE | 601255 | 🇺🇸 US 🇨🇦 CA | Remanufacturedwith Standard Neoprene Outboard Boot | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CARDONE | 661255HD | 🇺🇸 US 🇨🇦 CA | with Heavy Duty Thermoplastic Outboard Boot | View on Amazon |
| GSP | NCV10235XD | 🇺🇸 US 🇨🇦 CA | Xtreme Duty CV AxleFor Extreme Operating Temperatures | View on Amazon |
| TOP NOTCH | TN20034XD | 🇺🇸 US 🇨🇦 CA | Xtreme Duty | View on Amazon |
| TRAKMOTIVE | GM8045HDX | 🇺🇸 US 🇨🇦 CA | Extreme Duty | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Popular | NCV10235 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| GSP Popular | NCV10028 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| TOP NOTCH Popular | TN20034 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| APWI | GM8222 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| APWI | GM8125 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| TOP NOTCH | TN20008 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| TRAKMOTIVE | GM8045 | 🇺🇸 US 🇨🇦 CA | Does Not Include ABS Ring | View on Amazon |
| TRAKMOTIVE | GM8167 | 🇺🇸 US 🇨🇦 CA | 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.
14 CV Axle parts for the 2003 Buick Lesabre come from 5 brands — CARDONE, GSP, TOP NOTCH and 2 other brands. The "Popular" part is GSP NCV10235.
The Economy section lists 2 options from CARDONE — the catalog's value-priced group. CARDONE 601335 is listed in this group.
In the Heavy Duty grade, CARDONE, GSP, TOP NOTCH and 1 other brand supply 4 parts: rated for severe service. A representative part number is CARDONE 661255HD.
In the Standard Replacement grade, GSP, TOP NOTCH, APWI and 1 other brand supply 8 parts: built to original-equipment specification. A representative part number is GSP NCV10235.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 614003 | 🇺🇸 US 🇨🇦 CA | OuterJoint Diameter 3.44" | View on Amazon |
| DORMAN | 614004 | 🇺🇸 US 🇨🇦 CA | InnerJoint Diameter 3.50" | View on Amazon |
| DORMAN | 614700 | 🇺🇸 US 🇨🇦 CA | OuterQuick-Boot | View on Amazon |
| MEVOTECH | DX557 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
| MOOG | 5463 | 🇺🇸 US 🇨🇦 CA | Front OuterExcept Gran Touring Package | 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.
5 CV Joint Boot parts for the 2003 Buick Lesabre come from 3 brands — DORMAN, MEVOTECH and MOOG. The "Popular" part is DORMAN 614003.
Listed part numbers: DORMAN 614003, DORMAN 614004 and DORMAN 614700, plus the other parts above.
CV Joint Boot Band
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 364038 | 🇺🇸 US 🇨🇦 CA | Front Outboard OuterLarge Clamp | View on Amazon |
This table covers the bands that clamp a CV boot to the joint.
One part is listed for the 2003 Buick Lesabre — GM GENUINE 364038.
CV Joint Lock Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24205145 | 🇺🇸 US 🇨🇦 CA | Front InnerOUTPUT SHAFT | View on Amazon |
This table covers the CV Joint Lock rings.
One part is listed for the 2003 Buick Lesabre — GM GENUINE 24205145.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 99193 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
This table covers the wear sleeves used to restore a grooved pinion seal surface.
This group shows a single part: NATIONAL 99193.
Transfer Case Low Gear Roller Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PIONEER | 764012 | 🇺🇸 US 🇨🇦 CA | Roller Clutch3rd clutch | View on Amazon |
| PIONEER | 764024 | 🇺🇸 US 🇨🇦 CA | Roller ClutchForward | 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 2003 Buick Lesabre.
Listed part numbers: PIONEER 764012 and PIONEER 764024.
Buying Drivetrain Parts for a 2003 Buick Lesabre
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 3.8L V6 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: CV Axle and CV Joint Boot .
Frequently Asked Questions
How many drivetrain parts fit the 2003 Buick Lesabre?
Our catalog currently lists 25 drivetrain parts for the 2003 Buick Lesabre across 7 subcategories and 11 brands, covering the 3.8L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2003 Buick Lesabre?
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 2003 Buick Lesabre 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 2003 Buick Lesabre?
Every part on this page is matched to the 3.8L V6 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 2003 Buick Lesabre
Drivetrain Parts for Other Buick Lesabre 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.