ATP Parts B-37 Transmission Filter Kit

Transmission Filter Kit for Classic GM Applications

ATP Parts B-37 is a premium replacement transmission filter kit built to keep transmission fluid cleaner as the unit accumulates normal wear debris. Clean fluid helps protect the valve body and other internal components from clogging, which supports smoother operation and helps reduce avoidable transmission repairs.

This transmission filter kit is a direct service solution for a wide range of classic Chevrolet, GMC, Buick, Oldsmobile, Cadillac, and Pontiac applications. It is a practical choice for owners servicing older GM vehicles that require a nylon mesh filter design.

Key Features

• Premium replacement transmission filter kit from ATP Parts
• Nylon mesh filter media for service applications
• Designed to help keep transmission fluid clean
• Helps reduce debris buildup that can restrict valve body operation
• Includes gasket, screen, and seals as listed in the product notes
• Part number B-37 for easy catalog lookup

Detailed Product Information

ATP Premium Replacement line focuses on service parts that match the needs of maintenance and repair work. The B-37 transmission filter kit is intended for vehicles that use a felt-style filter on some models and require a nylon mesh replacement during transmission service. This part cross-references Wix 58878 for the same application.

Compatible With classic GM drivetrains in vehicles such as Chevrolet C10, GMC G3500, Buick Regal, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix. The B-37 part number is also commonly searched for transmission service on Chevrolet and GMC trucks and vans from the early 1980s through the late 1980s.

What It Helps Address

• Dirty transmission fluid from normal wear and debris
• Restricted fluid flow through a clogged filter
• Valve body contamination that can affect shifting
• Premature wear caused by neglected transmission service
• Costly repairs linked to poor fluid filtration

Installation Notes and Fitment

Fits 1984-1988 GMC G3500, N/A; Fits 1982 GMC G3500, N/A; Fits 1986 Chevrolet C10, N/A; Fits 1982-1984 Chevrolet C10, N/A; Fits 1986 Chevrolet C20, N/A; Fits 1982-1984 Chevrolet C20, N/A; Fits 1986 Chevrolet C20 Suburban, N/A; Fits 1982-1984 Chevrolet C20 Suburban, N/A; Fits 1986 Chevrolet C30, N/A; Fits 1982-1984 Chevrolet C30, N/A; Fits 1986 Chevrolet G10, N/A; Fits 1982-1984 Chevrolet G10, N/A; Fits 1986 Chevrolet G20, N/A; Fits 1984 Chevrolet G20, N/A; Fits 1982 Chevrolet G20, N/A; Fits 1986 Chevrolet G30, N/A; Fits 1984 Chevrolet G30, N/A; Fits 1982 Chevrolet G30, N/A; Fits 1986 Chevrolet K10, N/A; Fits 1982-1983 Chevrolet K10, N/A; Fits 1986 Chevrolet K20, N/A; Fits 1982-1983 Chevrolet K20, N/A; Fits 1986 Chevrolet K20 Suburban, N/A; Fits 1982 Chevrolet K20 Suburban, N/A; Fits 1986 Chevrolet K30, N/A; Fits 1982-1983 Chevrolet K30, N/A; Fits 1986 Chevrolet K5 Blazer, N/A; Fits 1982 Chevrolet K5 Blazer, N/A; Fits 1986 GMC C1500, N/A; Fits 1982-1984 GMC C1500, N/A; Fits 1986 GMC C2500, N/A; Fits 1982-1984 GMC C2500, N/A; Fits 1986 GMC C2500 Suburban, N/A; Fits 1982-1984 GMC C2500 Suburban, N/A; Fits 1986 GMC C3500, N/A; Fits 1982-1984 GMC C3500, N/A; Fits 1986 GMC G1500, N/A; Fits 1982-1984 GMC G1500, N/A; Fits 1986 GMC G2500, N/A; Fits 1984 GMC G2500, N/A; Fits 1982 GMC G2500, N/A; Fits 1986 GMC Jimmy, N/A; Fits 1982 GMC Jimmy, N/A; Fits 1986 GMC K1500, N/A; Fits 1982 GMC K1500, N/A; Fits 1986 GMC K2500, N/A; Fits 1982 GMC K2500, N/A; Fits 1986 GMC K2500 Suburban, N/A; Fits 1982 GMC K2500 Suburban, N/A; Fits 1986 GMC K3500, N/A; Fits 1982 GMC K3500, N/A; Fits 1982-1985 Buick LeSabre, N/A; Fits 1982-1985 Buick Regal, N/A; Fits 1982-1985 Oldsmobile Custom Cruiser, N/A; Fits 1985 Oldsmobile Cutlass Salon, N/A; Fits 1982-1985 Oldsmobile Cutlass Supreme, N/A; Fits 1982-1985 Oldsmobile Delta 88, N/A; Fits 1982-1984 Chevrolet C10 Suburban, N/A; Fits 1982-1984 Chevrolet Caprice, N/A; Fits 1982-1984 Chevrolet El Camino, N/A; Fits 1982-1984 Chevrolet Impala, N/A; Fits 1982-1984 Chevrolet Monte Carlo, N/A; Fits 1982-1984 GMC C1500 Suburban, N/A; Fits 1982-1984 Oldsmobile 98, N/A; Fits 1982-1984 Oldsmobile Cutlass Calais, N/A; Fits 1982-1984 Oldsmobile Toronado, N/A; Fits 1982-1984 Pontiac Bonneville, N/A; Fits 1982-1984 Pontiac Grand Prix, N/A; Fits 1983-1984 Pontiac Parisienne, N/A; Fits 1982-1983 Chevrolet Malibu, N/A; Fits 1982-1983 Oldsmobile Cutlass Cruiser, N/A; Fits 1982-1983 Pontiac Grand LeMans, N/A; Fits 1982 Cadillac DeVille, N/A; Fits 1982 Cadillac Fleetwood, N/A; Fits 1982 Chevrolet K10 Suburban, N/A; Fits 1982 GMC K1500 Suburban, N/A; Fits 1981 Buick Century, N/A.

Before installation, confirm the transmission uses the listed filter style and compare the original filter, gasket, and seal layout to the service parts in the kit. Clean the pan and mating surfaces thoroughly during service to help maintain proper fluid flow after replacement.

Quality Assurance

ATP Parts positions this as a Premium Replacement service kit for transmission maintenance. The design focus is on keeping transmission fluid clean so internal components stay free of debris-related blockage during regular service intervals.