ATP Parts B-29 Transmission Filter Kit

Transmission Filter Kit for GM, Jaguar, Bentley

ATP Parts B-29 is a premium replacement transmission filter kit built to keep transmission fluid clean and protect internal components from wear debris. It is a direct service part for a wide range of classic GM, Jaguar, Bentley, and Rolls-Royce applications, including THM400-equipped vehicles.

Key Features

• Premium Replacement line from ATP Parts
• Transmission filter kit for routine service on automatic transmissions
• Helps keep transmission fluid free of debris from normal wear
• Includes a gasket and screen with Dacron media filter construction
• 11.8125 in. filter length on listed applications
• Fits select 1987-1992 Jaguar XJ12 and XJS, plus GM truck and van applications

Product Details

ATP Parts B-29 is engineered for transmission service where clean fluid is critical to valve body operation and long-term durability. By capturing wear particles before they circulate through the transmission, this filter kit helps maintain fluid cleanliness and supports the health of vital internal passages and components. This part cross-references Monroe Shocks & Struts (e.g., 33212) for the same application. The B-29 part number is also commonly searched for service on 1987-1990 Chevrolet and GMC trucks, vans, and Suburban models, as well as 1988-1992 Jaguar XJS and 1991-1992 Jaguar XJ12 applications.

What It Helps Address

• Dirty transmission fluid caused by normal wear
• Debris buildup that can restrict valve body passages
• Transmission shifting problems related to restricted fluid flow
• Premature wear from contaminated automatic transmission fluid
• Service needs on THM400-equipped classic vehicles

Installation Notes and Tips

• Verify transmission type before ordering; some listed vehicles require THM400-specific fitment.
• Match the vehicle year, make, and model exactly to the fitment list.
• Inspect the pan and sealing surfaces during service to help ensure a proper reseal.
• Use clean transmission fluid during refill and follow the vehicle service procedure.
• For fitment searches, this kit is commonly referenced for Chevrolet C1500, GMC K2500, and Jaguar XJS transmission service.

Quality Assurance

ATP Parts Premium Replacement components are built for service applications where dependable fit and fluid control matter. The B-29 transmission filter kit follows the listed OE-style applications and is intended for regular transmission maintenance on the covered vehicles.