The 2021 Chevrolet Bolt has 6 drivetrain parts with verified fitment on this page — 3 part types and 4 brands, covering the ELECTRIC engine. Each part includes a manufacturer part number and application notes.
On the 2021 Chevrolet Bolt, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 6 listed parts are CV Axle (4 parts), Axle / Differential Assembly (1 part) and CV Joint Lock Ring (1 part).
The 2021 Chevrolet Bolt came with a single engine, the ELECTRIC, and every part is verified against it.
4 brands supply drivetrain parts for the 2021 Chevrolet Bolt, led by GM GENUINE (3 parts), GSP (1 part) and TOP NOTCH (1 part), plus 1 more brand.
Each part number listed for the 2021 Chevrolet Bolt opens a page with every vehicle that part fits.
Axle / Differential Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 25204802 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
This table covers the Axle / Differential assemblies.
This group shows a single part: GM GENUINE 25204802.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 42759672 | 🇺🇸 US 🇨🇦 CA | Frontwith RPO Code Adbg | View on Amazon |
| GSP | NCV10260 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| TOP NOTCH | TN20381 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| TRAKMOTIVE | GM86002 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | 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.
4 CV Axle parts are listed for the 2021 Chevrolet Bolt, from GM GENUINE, GSP, TOP NOTCH and 1 other brand.
This group includes GM GENUINE 42759672, GSP NCV10260 and TOP NOTCH TN20381 and the remaining parts above.
CV Joint Lock Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 42758418 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
This table covers the CV Joint Lock rings.
This group shows a single part: GM GENUINE 42758418.
Buying Drivetrain Parts for a 2021 Chevrolet Bolt
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 ELECTRIC 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 Axle / Differential Assembly .
Frequently Asked Questions
How many drivetrain parts fit the 2021 Chevrolet Bolt?
Our catalog currently lists 6 drivetrain parts for the 2021 Chevrolet Bolt across 3 subcategories and 4 brands, covering the ELECTRIC engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2021 Chevrolet Bolt?
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 2021 Chevrolet Bolt 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 2021 Chevrolet Bolt?
Every part on this page is matched to the ELECTRIC 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 2021 Chevrolet Bolt
Drivetrain Parts for Other Chevrolet Bolt 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.