AMC Parts 666863 Engine Camshaft

Engine Camshaft for Audi and Volkswagen Applications

AMC Parts 666863 is an engine camshaft for select Audi and Volkswagen vehicles. It is listed for multiple 2000-2009 applications, including Audi A3, Audi A4, and Volkswagen Jetta, Beetle, Golf, and Bora, making it a direct-fit option for specific valve train service needs.

• Engine camshaft for valve train repair and replacement
• Fits 2006-2008 Audi A4, N/A
• Fits 2005 Audi A4, N/A
• Fits 2006 Audi A3, N/A
• Fits 2007 Audi A3, N/A
• Fits 2008 Audi A3, N/A
• Fits 2005-2007 Volkswagen Jetta, N/A
• Fits 2000 Volkswagen Beetle, N/A
• Fits 2000 Volkswagen Golf, N/A
• Fits 2007 Volkswagen Bora, N/A
• Fits 2008 Volkswagen Bora, N/A
• Fits 2009 Volkswagen Bora, N/A

This AMC Parts camshaft, part number 666863, is used in the engine valve train to control valve timing and lift. It is a fitment-specific replacement for Audi A3 and Audi A4 models, as well as Volkswagen Jetta, Beetle, Golf, and Bora applications listed above. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Reasons for Replacement

• Worn cam lobes affecting valve timing
• Engine misfire or rough idle related to valve train wear
• Reduced performance from camshaft wear or damage
• Noise from the upper engine area caused by valve train issues
• Failure during engine rebuild or cylinder head service

Installation Notes and Tips

Verify engine code, cylinder head configuration, and the exact vehicle listing before installation. Camshaft replacement should be performed with proper timing alignment, clean lubrication surfaces, and inspection of related valve train components. AMC Parts 666863 should be matched to the confirmed application for Audi A4, Audi A3, and Volkswagen models listed in the fitment data.

Quality Assurance

AMC Parts supplies replacement engine components for application-specific service work. Confirm all fitment details against the vehicle identification before ordering to ensure the camshaft matches the listed Audi and Volkswagen applications.