4 Engine parts are listed for the 2023 Chevrolet Bolt, in 3 part types, covering the ELECTRIC engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2023 Chevrolet Bolt, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. All 4 listed parts are Engine Cover (2 parts), Engine Block Heater (1 part) and Rocker Arm Nut (1 part).
The 2023 Chevrolet Bolt came with a single engine, the ELECTRIC, and every part is verified against it.
2 brands supply engine parts for the 2023 Chevrolet Bolt, led by GM GENUINE (2 parts) and TECHPRO (2 parts).
Each part number listed for the 2023 Chevrolet Bolt opens a page with every vehicle that part fits.
Engine Block Heater
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 42771255 | 🇺🇸 US 🇨🇦 CA | Coolant Heater | View on Amazon |
This table covers the block heaters that warm the coolant or oil in cold weather.
This group shows a single part: GM GENUINE 42771255.
Engine Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | GM1228204 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LowerBolt EUV | View on Amazon |
| TECHPRO | GM1228203 | 🇺🇸 US 🇨🇦 CA | LowerBolt EV | View on Amazon |
This table covers the Engine covers.
TECHPRO supplies both parts for the 2023 Chevrolet Bolt.
This group includes TECHPRO GM1228204 and TECHPRO GM1228203.
Rocker Arm Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11546389 | 🇺🇸 US 🇨🇦 CA | Fits Bolt EVMono HD Digital Vision with 360 View (UV2) | View on Amazon |
This table covers the Rocker Arm nuts.
One part is listed for the 2023 Chevrolet Bolt — GM GENUINE 11546389.
Buying Engine Parts for a 2023 Chevrolet Bolt
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- 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 seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Engine Cover and Engine Block Heater .
Frequently Asked Questions
How many engine parts fit the 2023 Chevrolet Bolt?
Our catalog currently lists 4 engine parts for the 2023 Chevrolet Bolt across 3 subcategories and 2 brands, covering the ELECTRIC engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2023 Chevrolet Bolt?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. 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 seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
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 2023 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 2023 Chevrolet Bolt?
Every part on this page is matched to the ELECTRIC engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2023 Chevrolet Bolt
Engine 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.