Engine Cylinder Head Bolt - GM (55566811)
Genuine OEM GM Parts & Accessories - 55566811
Engine Cylinder Head Bolt - GM (55566811)
Genuine OEM GM Parts & Accessories - 55566811
- GM
- 55566811
Details
- Brand:
- SKU:
55566811
- Other Names:
Bolt
- Description: GM Genuine Parts Engine Cylinder Head Bolt (Part Number: 55566811) is an OEM fastener used to secure cylinder head assemblies to the engine block, meeting factory specifications for strength and retention.World Parts Direct is a U.S. entity offering excellent prices, compatibility assurance, and OEM-backed warranty support—contact us for installation guidance.
- Function: Secures cylinder head to engine block, required for proper sealing and engine longevity.
- Notes: Meets factory torque and durability requirements; use correct torque sequence and specifications during installation.
- Also known as: Bolt
- Part metadata: Underhood | Engine Component Parts | 51
- Condition: New
- Sale Price: $58.59
Key Product Benefits
- Includes 12 units per order
Fast Delivery
Most in-stock items ship within 1–3 business days. Special orders may take longer.
OEM Parts. Wholesale Prices.
Genuine OEM parts with a nationwide warranty. Lowest pricing guaranteed.
Shop With Confidence
Secure checkout, verified fitment, and dealer-backed support from real parts experts.
- GM
- 55566811
Details
- Brand:
- SKU:
55566811
- Other Names:
Bolt
- Description: GM Genuine Parts Engine Cylinder Head Bolt (Part Number: 55566811) is an OEM fastener used to secure cylinder head assemblies to the engine block, meeting factory specifications for strength and retention.World Parts Direct is a U.S. entity offering excellent prices, compatibility assurance, and OEM-backed warranty support—contact us for installation guidance.
- Function: Secures cylinder head to engine block, required for proper sealing and engine longevity.
- Notes: Meets factory torque and durability requirements; use correct torque sequence and specifications during installation.
- Also known as: Bolt
- Part metadata: Underhood | Engine Component Parts | 51
- Condition: New
Also Purchased
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
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WorldPartsDirect.com
Thanks for shopping with World Parts Direct, home of the low-price and right-part-guarantee! Everything we carry is genuine, OEM and ships straight from a licensed dealership. All of our products are backed by a nationwide warranty and can be returned within 30 days if you no longer need it. What's the catch? There isn't one! Nobody beats our prices and nobody offers higher quality parts than we do, and if we cannot get the part you need, nobody can! We offer hundreds of thousands of unique items, including discontinued parts. Your satisfaction is our top priority and we hope you'll give us the opportunity to earn your business today.
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 Engine Cylinder Head Bolt for your 2011-2021 vehicle. GM Parts & Accessories Limited Warranty.
