The 2025 GMC Terrain has 16 drivetrain parts with verified fitment on this page — 9 part types and 1 brand, covering the 1.5L L4 Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2025 GMC Terrain, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 9 parts of the 16 listed are CV Joint Boot (4 parts), CV Joint Boot Band (3 parts) and Differential Carrier Bearing / Race (2 parts). The other 6 part types cover the remaining 7 parts.
Every part on this page is matched to the 1.5L L4 Turbocharged — the only engine offered in the 2025 GMC Terrain.
Every drivetrain part listed for the 2025 GMC Terrain comes from GM GENUINE.
Each part number listed for the 2025 GMC Terrain opens a page with every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84910656 | 🇺🇸 US 🇨🇦 CA | Rear4WD | 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 84910656.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 42939065 | 🇺🇸 US 🇨🇦 CA | Split Or Solid Type: Solid | View on Amazon |
| GM GENUINE | 42939067 | 🇺🇸 US 🇨🇦 CA | Split Or Solid Type: Solid | View on Amazon |
| GM GENUINE | 42939069 | 🇺🇸 US 🇨🇦 CA | Split Or Solid Type: Solid | View on Amazon |
| GM GENUINE | 42939076 | 🇺🇸 US 🇨🇦 CA | Split Or Solid Type: Solid | 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.
4 CV Joint Boot parts for the 2025 GMC Terrain come from GM GENUINE.
Listed part numbers: GM GENUINE 42939065, GM GENUINE 42939067 and GM GENUINE 42939069, plus the other parts above.
CV Joint Boot Band
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 364038 | 🇺🇸 US 🇨🇦 CA | Front Outboard OuterSingle Use | View on Amazon |
| GM GENUINE | 42722029 | 🇺🇸 US 🇨🇦 CA | Fits Front Inboard InnerInboard Small Clamp | View on Amazon |
| GM GENUINE | 84167070 | 🇺🇸 US 🇨🇦 CA | Front Inboard OuterAutomatic CVT transmission | View on Amazon |
This table covers the bands that clamp a CV boot to the joint.
GM GENUINE supplies the 3 CV Joint Boot Band parts for the 2025 GMC Terrain.
Listed part numbers: GM GENUINE 364038, GM GENUINE 42722029 and GM GENUINE 84167070.
CV Joint Lock Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 90121202 | 🇺🇸 US 🇨🇦 CA | Front Inner8 speed Automatic trans. | View on Amazon |
This table covers the CV Joint Lock rings.
One part is listed for the 2025 GMC Terrain — GM GENUINE 90121202.
Differential Carrier
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24287261 | 🇺🇸 US 🇨🇦 CA | Front4WD | View on Amazon |
This table covers the carriers that hold the differential gears in the axle.
This group shows a single part: GM GENUINE 24287261.
Differential Carrier Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24237378 | 🇺🇸 US 🇨🇦 CA | Front8 speed Automatic trans. | View on Amazon |
| GM GENUINE | 24298891 | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
This table covers the bearings and races that support the differential carrier.
2 Differential Carrier Bearing / Race parts for the 2025 GMC Terrain come from GM GENUINE.
Listed part numbers: GM GENUINE 24237378 and GM GENUINE 24298891.
Differential Carrier Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11561302 | 🇺🇸 US 🇨🇦 CA | 4WDM14 X 2 X 121 | View on Amazon |
This table covers the Differential Carrier bolts.
One part is listed for the 2025 GMC Terrain — GM GENUINE 11561302.
Differential Carrier Fluid Baffle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24298737 | 🇺🇸 US 🇨🇦 CA | 8 speed Automatic trans.Part of Transmission Case | View on Amazon |
| GM GENUINE | 24298738 | 🇺🇸 US 🇨🇦 CA | 8 speed Automatic trans.Plastic | View on Amazon |
This table covers the baffles that control oil in the differential carrier.
2 Differential Carrier Fluid Baffle parts for the 2025 GMC Terrain come from GM GENUINE.
Listed part numbers: GM GENUINE 24298737 and GM GENUINE 24298738.
Differential Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 86346493 | 🇺🇸 US 🇨🇦 CA | 4WD | View on Amazon |
This table covers the Differential control modules.
One part is listed for the 2025 GMC Terrain — GM GENUINE 86346493.
Buying Drivetrain Parts for a 2025 GMC Terrain
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 1.5L L4 Turbocharged 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 Joint Boot and CV Joint Boot Band .
Frequently Asked Questions
How many drivetrain parts fit the 2025 GMC Terrain?
Our catalog currently lists 16 drivetrain parts for the 2025 GMC Terrain across 9 subcategories and 1 brand, covering the 1.5L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2025 GMC Terrain?
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 2025 GMC Terrain 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 2025 GMC Terrain?
Every part on this page is matched to the 1.5L L4 Turbocharged 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 2025 GMC Terrain
Drivetrain Parts for Other GMC Terrain 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.