Headlamp Ballast - GM (42529555)
Genuine OEM GM Parts & Accessories - 42529555
Headlamp Ballast - GM (42529555)
Genuine OEM GM Parts & Accessories - 42529555
- GM
- 42529555
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- MSRP: $183.35
- You Save: $62.97 (34.3% off)
- Sale Price: $120.38
- MSRP: $183.35
- You Save: $62.97 (34.3% off)
- Sale Price: $120.38

Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
Also Purchased
- GM
- 42529555
Details
- Brand:
- SKU:
42529555
- Positions: Left, Right
- Other Names:
Control Module
- Description: GM Headlamp Ballast (Part Number: 42529555) is an electrical control module that helps regulate voltage and current supplied to your vehicle's headlamps.
- Type: Ballast assembly (headlamp control)
- Function: Regulates headlamp voltage/current and supports auto high-beam and leveling system operation
- Includes: Ballast assembly and related mounting bolt (as referenced)
- Also known as: Control Module
- Quality: Genuine OEM quality—designed, engineered, and tested to GM standards
Buy from World Parts Direct—an American company offering best-price value, a compatibility guarantee, expert support, and OEM-backed warranty.
- Condition: New
- Notes: Included with headlamp assembly.
WorldPartsDirect.com
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GM

Built with GM’s engineering expertise, ACDelco and OEM GM parts are factory original equipment replacement parts for your Chevy, Buick, Cadillac, GMC, Saturn, Pontiac, Oldsmobile or Hummer. Every ACDelco and OEM GM part is rigidly held to federal safety and quality standards and is guaranteed by GM Replacement Parts Limited Warranty. You can trust GM Genuine Parts when ordering this Headlamp Ballast for your 2017-2021 Chevrolet Bolt EV vehicle. GM Parts & Accessories Limited Warranty.