This page lists 27 drivetrain parts for the 2006 Buick Lacrosse, across 6 part types, covering both the 3.6L V6 and the 3.8L V6. Every part shows its brand, manufacturer part number and fitment notes.
On the 2006 Buick Lacrosse, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are CV Axle (16 parts), CV Joint Boot (6 parts) and Transfer Case Low Gear Roller Bearing (2 parts). The other 3 part types cover the remaining 3 parts.
The 2006 Buick Lacrosse was sold with both the 3.6L V6 and the 3.8L V6. 20 parts fit every engine; the other 7 are engine-specific. Each part shows which engine(s) it fits.
11 brands supply drivetrain parts for the 2006 Buick Lacrosse, led by GSP (4 parts), TOP NOTCH (4 parts) and TRAKMOTIVE (4 parts), plus 8 more brands. Quality grades include Standard Replacement, Heavy Duty and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2006 Buick Lacrosse. 6 parts have it, including GSP NCV10235 (CV Axle) and DORMAN 614003 (CV Joint Boot). Each part number opens a page with every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2006 Lacrosse engines | 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.
One part is listed for the 2006 Buick Lacrosse — GM GENUINE 24202835.
CV Axle
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CARDONE Fits: all 2006 Lacrosse engines | 601255 | 🇺🇸 US | Remanufacturedwith Standard Neoprene Outboard Boot | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CARDONE Fits: all 2006 Lacrosse engines | 661255HD | 🇺🇸 US | with Heavy Duty Thermoplastic Outboard Boot | View on Amazon |
| GSP Fits: all 2006 Lacrosse engines | NCV10235XD | 🇺🇸 US | Xtreme Duty CV AxleFor Extreme Operating Temperatures | View on Amazon |
| GSP Fits: all 2006 Lacrosse engines | NCV10232XD | 🇺🇸 US | Xtreme Duty CV AxleFor Extreme Operating Temperatures | View on Amazon |
| TOP NOTCH Fits: all 2006 Lacrosse engines | TN20034XD | 🇺🇸 US | Xtreme Duty | View on Amazon |
| TOP NOTCH Fits: all 2006 Lacrosse engines | TN20032XD | 🇺🇸 US | Xtreme Duty | View on Amazon |
| TRAKMOTIVE Fits: all 2006 Lacrosse engines | GM8054HDX | 🇺🇸 US | Extreme Duty | View on Amazon |
| TRAKMOTIVE Fits: all 2006 Lacrosse engines | GM8045HDX | 🇺🇸 US | Extreme Duty | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Popular Fits: all 2006 Lacrosse engines | NCV10235 | 🇺🇸 US | Front Left | View on Amazon |
| TOP NOTCH Popular Fits: all 2006 Lacrosse engines | TN20032 | 🇺🇸 US | Front Right | View on Amazon |
| TOP NOTCH Popular Fits: all 2006 Lacrosse engines | TN20034 | 🇺🇸 US | Front Left | View on Amazon |
| TRAKMOTIVE Popular Fits: all 2006 Lacrosse engines | GM8054 | 🇺🇸 US | Does Not Include ABS Ring | View on Amazon |
| APWI Fits: 3.8L V6 | GM8222 | 🇺🇸 US | Front Left | View on Amazon |
| APWI Fits: 3.8L V6 | GM8205 | 🇺🇸 US | Front Right | View on Amazon |
| GSP Fits: all 2006 Lacrosse engines | NCV10232 | 🇺🇸 US | Extended Length: 27.60 In | View on Amazon |
| TRAKMOTIVE Fits: all 2006 Lacrosse engines | GM8045 | 🇺🇸 US | 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 are listed for the 2006 Buick Lacrosse, from GSP, TOP NOTCH, TRAKMOTIVE and 2 other brands. GSP NCV10235 carries the "Popular" badge. 14 parts fit every engine; the other 2 are engine-specific.
In the Economy grade, CARDONE supplies 1 part: the catalog's value-priced group. A representative part number is CARDONE 601255.
The Heavy Duty section lists 7 options from GSP, TOP NOTCH, TRAKMOTIVE and 1 other brand — rated for severe service. CARDONE 661255HD is listed in this group.
The Standard Replacement section lists 8 options from GSP, TOP NOTCH, TRAKMOTIVE and 1 other brand — built to original-equipment specification. GSP NCV10235 is listed in this group.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 3.8L V6 | 614003 | 🇺🇸 US | OuterJoint Diameter 3.44" | View on Amazon |
| MEVOTECH Popular Fits: all 2006 Lacrosse engines | DX633 | 🇺🇸 US | Front Outer | View on Amazon |
| DORMAN Fits: 3.8L V6 | 614004 | 🇺🇸 US | InnerJoint Diameter 3.50" | View on Amazon |
| DORMAN Fits: 3.8L V6 | 614700 | 🇺🇸 US | OuterQuick-Boot | View on Amazon |
| MEVOTECH Fits: all 2006 Lacrosse engines | DX557 | 🇺🇸 US | Front Inner | View on Amazon |
| MOOG Fits: 3.8L V6 | 5463 | 🇺🇸 US | Front Outerwith Hard Thermoplastic Boots | 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 are listed for the 2006 Buick Lacrosse, from DORMAN, MEVOTECH and MOOG. DORMAN 614003 carries the "Popular" badge. 2 parts fit every engine; the other 4 are engine-specific.
This group includes DORMAN 614003, MEVOTECH DX633 and DORMAN 614004 and the remaining parts above.
CV Joint Boot Band
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2006 Lacrosse engines | 364038 | 🇺🇸 US 🇨🇦 CA | Front Outboard OuterLarge Clamp | View on Amazon |
This table covers the bands that clamp a CV boot to the joint.
This group shows a single part: GM GENUINE 364038.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: 3.8L V6 | 99193 | 🇺🇸 US | Front | View on Amazon |
This table covers the wear sleeves used to restore a grooved pinion seal surface.
One part is listed for the 2006 Buick Lacrosse — NATIONAL 99193.
Transfer Case Low Gear Roller Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PIONEER Fits: all 2006 Lacrosse engines | 764012 | 🇺🇸 US | Roller Clutch3rd clutch | View on Amazon |
| PIONEER Fits: all 2006 Lacrosse engines | 764024 | 🇺🇸 US | 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.
2 Transfer Case Low Gear Roller Bearing parts for the 2006 Buick Lacrosse come from PIONEER. Every part fits both the 3.6L V6 and the 3.8L V6.
Part numbers include PIONEER 764012 and PIONEER 764024.
Buying Drivetrain Parts for a 2006 Buick Lacrosse
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 2006 Buick Lacrosse?
Our catalog currently lists 27 drivetrain parts for the 2006 Buick Lacrosse across 6 subcategories and 11 brands, covering both the 3.6L V6 and the 3.8L V6. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2006 Buick Lacrosse engines?
Some do. 20 parts fit every engine; the other 7 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 2006 Buick Lacrosse?
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 2006 Buick Lacrosse 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 2006 Buick Lacrosse?
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 2006 Buick Lacrosse
Drivetrain Parts for Other Buick Lacrosse 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.