Continental TB321 Engine Timing Belt

Continental TB321 Engine Timing Belt

The Continental TB321 engine timing belt is built for import applications that demand steady valve timing and dependable load handling. It is a direct-fit timing belt for select Volkswagen Golf, Jetta, and Beetle models with ALH or interference-engine applications.

Import Timing Belt Line

Continental’s Import line focuses on replacement parts for imported vehicles, with attention to durability and consistent operation in demanding engine environments. The TB321 follows that approach with a belt construction intended to maintain reliable timing performance under heat and load.

Key Features

• Part number TB321 for timing belt replacement identification
• 141 belt teeth for the specified engine timing application
• Trapezoidal tooth profile
• 1.00 in. belt top width
• 52.87 in. belt length
• No timing marks
• Built for high load-bearing operation and stable belt tracking
• Engineered for durability in high-temperature and demanding conditions

Detailed Description

Continental TB321 is an engine timing belt for select Volkswagen diesel applications, including 1998-2004 Volkswagen Beetle, Golf, and Jetta models listed below. This timing belt is specified with 141 teeth, a trapezoidal tooth design, a 1.00-inch top width, and a 52.87-inch length. It is intended for interference-engine applications where accurate cam and crank synchronization is critical. This part cross-references Gates T321 for the same application.

Use TB321 when replacing the timing belt on compatible Volkswagen Golf, Jetta, and Beetle vehicles that match the listed engine notes. The Continental TB321 part number is also referenced as 40321 in Continental listings.

What It Helps Address

• Timing belt wear from age, heat, and mileage
• Loss of proper engine timing synchronization
• Belt slippage caused by reduced load capacity
• Premature belt deterioration in demanding operating conditions
• Noise or drivability issues related to timing belt condition

Installation Notes and Tips

• Replace the timing belt at the manufacturer-recommended service interval.
• Inspect related drive components during service and replace worn parts as needed.
• Verify engine code and application notes before ordering, especially for ALH and after-engine-number fitments.
• Confirm belt tooth count, length, and width against the original part before installation.
• Professional installation is recommended for interference-engine applications.

Quality Assurance

Continental timing components are built for consistent fit and dependable operation in import engine applications. The TB321 is specified to support long-term belt performance in the listed Volkswagen models when installed according to service procedures.

Compatible With

• Fits 2004 Volkswagen Golf, N/A; ALH Engine; Interference Engine Application; Import
• Fits 2004 Volkswagen Jetta, N/A; ALH Engine; Interference Engine Application; Import
• Fits 2002-2003 Volkswagen Beetle, N/A; Interference Engine Application; Import
• Fits 2002-2003 Volkswagen Golf, N/A; Interference Engine Application; Import
• Fits 2002-2003 Volkswagen Jetta, N/A; Interference Engine Application; Import
• Fits 1998-2001 Volkswagen Beetle, N/A; (After Eng #500001); Interference Engine Application; Import
• Fits 1999-2001 Volkswagen Golf, N/A; (After Eng #500001); Interference Engine Application; Import
• Fits 1999-2001 Volkswagen Jetta, N/A; (After Eng 500,001); Interference Engine Application; Import