ATP Parts SO-37 Automatic Transmission Detent Cable Seal

Automatic Transmission Detent Cable Seal

ATP Parts SO-37 is an exact-fit replacement automatic transmission detent cable seal for a wide range of GM and related applications. It is built to restore the seal at the detent control cable, top hat boot, or throttle valve cable interface and help maintain proper transmission sealing.

• Exact-fit replacement from ATP Parts
• Automatic transmission detent cable seal / multi-lip seal design
• Inside diameter: 0.625 in.
• Outside diameter: 0.8125 in.
• Thickness / part width: 0.4375 in.
• Cross-references Bosch 13581 and Pioneer Automotive Industries 760013

Detailed Product Overview

ATP Parts SO-37 is a transmission sealing component used at the detent control cable, top hat boot, and throttle valve cable locations on many Buick, Chevrolet, Pontiac, Oldsmobile, Cadillac, GMC, and select import applications. The seal dimensions are 0.625 in. inside diameter, 0.8125 in. outside diameter, and 0.4375 in. thickness, supporting a precise OE-style fit. This part cross-references Bosch 13581 and Pioneer Automotive Industries 760013 for the same application. Common vehicle coverage includes Fits 2005-2006 Buick LaCrosse, Fits 2004-2006 Chevrolet Impala, and Fits 2002-2006 Pontiac Grand Prix, along with many additional GM platforms from 1988-2006. Part number SO-37 is a practical service replacement when the original seal is worn, hardened, or leaking.

What This Seal Helps Address

• Transmission fluid seepage at the detent cable seal area
• Loose or deteriorated sealing around the throttle valve cable boot
• Contamination entering the cable seal interface
• Service issues caused by a hardened or cracked multi-lip seal

Installation Notes and Tips

Verify the transmission family and seal dimensions before installation. Clean the sealing bore and cable area thoroughly, then inspect the detent control cable, top hat boot, and throttle valve cable for wear or damage before reassembly. Confirm the application against the vehicle listing, especially on older GM platforms where transmission variants can differ. For fitment examples, this seal is listed for Fits 1995-2006 Chevrolet Monte Carlo, Fits 1994-2005 Buick LeSabre, and Fits 1988-1993 Cadillac DeVille.

Quality Assurance

ATP Transmission Seals and Gaskets are positioned as exact-fit replacement parts for transmission sealing service. SO-37 is engineered as a direct replacement seal for the listed applications and dimensions.