GM GENUINE PARTS Camshaft Sprocket Bolt 12x1.5x76 — OEM Direct-Fit Replacement, Factory-Spec Material & Torque

GM Genuine Parts 55562224 is a 12x1.5x76 camshaft sprocket bolt engineered as a direct-fit OEM fastener for GM engines.

This camshaft sprocket bolt is a factory-designed replacement part intended to restore original fit, form, and fastening integrity where the camshaft sprocket requires a 12x1.5x76 specification. Manufactured under GM engineering standards, it matches the dimensions and material choices used in original equipment to help maintain proper timing component alignment and secure attachment of the camshaft sprocket to the camshaft or timing assembly.

How does this bolt differ from aftermarket camshaft bolts?

GM Genuine Parts are produced to GM engineering tolerances and validation procedures, whereas aftermarket options can vary in material, heat treatment, and thread quality. Choosing the GM 55562224 bolt reduces the risk of fitment issues, incorrect torque specifications, or premature wear that can arise from non‑OE fasteners.

• Factory-specified 12x1.5x76 thread and length for direct fit.
• Materials and heat treatment selected by GM engineers for consistency.
• Designed to integrate with original GM timing and safety systems.
• Manufactured to match the original bolt’s clamping and torque behavior.

What vehicles and engine applications use part 55562224?

Part number 55562224 is designated for specific GM engines that require a 12x1.5x76 camshaft sprocket bolt. Compatibility depends on model year and engine family; always verify the part number against your vehicle’s VIN or consult a GM parts catalog to confirm fitment before purchase.

• Intended for select Chevrolet, Buick, GMC, and Cadillac engines.
• Correct for applications that specify 12x1.5x76 bolt dimensions.
• Often used during timing component replacement or engine rebuilds.
• Check VIN or dealer parts lookup to ensure exact match.

How should the camshaft sprocket bolt be installed and torqued?

Installation should follow the vehicle manufacturer’s service manual: clean contact surfaces, use any specified thread locker if required, and tighten in the proper sequence to the recommended torque value. Over- or under-torquing can affect sprocket alignment and engine timing, so follow GM torque specs and procedures or have the bolt installed by a qualified technician.

• Clean mating surfaces and remove old thread sealant or debris.
• Apply thread locker only if the service manual specifies it.
• Tighten to OEM torque values in the correct order and angle steps.
• Inspect for proper engagement and absence of stripped threads.

What warranty or quality assurances come with GM Genuine Parts?

GM Genuine Parts are backed by manufacturer part standards and are produced to meet GM’s design and validation practices. Warranty coverage can vary by region and retailer; check the seller’s warranty terms or contact an authorized GM dealer for specific warranty details on part 55562224.

• Built to GM engineering and production control standards.
• May have warranty coverage through authorized dealers or retailers.
• Designed to work with original GM safety and engine systems.
• Replaces OE fasteners that may have been listed as ACDelco GM OE historically.

Who is this for: This camshaft sprocket bolt is aimed at professional mechanics, independent shops, and DIY enthusiasts performing timing-component service, engine rebuilds, or OEM‑spec repairs on Chevrolet, Buick, GMC, or Cadillac vehicles. If you need a direct-fit replacement fastener specified as 12x1.5x76 and want the assurance of GM engineering and validation, part 55562224 is intended to meet that need.