Pioneer Cables 760011 Automatic Transmission Detent Cable Seal

Automatic Transmission Detent Cable Seal

Pioneer Cables 760011 is an automatic transmission detent cable seal for GM rear-wheel-drive and truck applications that use a top hat boot style seal. With precise dimensions of 0.375 in. inside diameter, 0.4375 in. thickness, and 0.625 in. outside diameter, it is built as an exact-fit replacement for service work on the detent control cable area. This part number 760011 is used across a wide range of Chevrolet, GMC, Buick, Oldsmobile, Pontiac, and Cadillac applications.

• Inside diameter: 0.375 in.
• Thickness: 0.4375 in.
• Outside diameter: 0.625 in.
• Replacement seal for automatic transmission detent control cable top hat boot locations
• OE-style fitment for many GM passenger cars, vans, SUVs, and trucks
• Cross-reference part numbers include 13580A and OR116 for the same application

Fitment and Application Details

Compatible With 1978-1986 GM applications listed in the fitment data, including Chevrolet C10, C20, K10, G10, Monte Carlo, Caprice, El Camino, Impala, and GMC C1500, C2500, G1500, Jimmy, and K1500 models. It also covers select Buick LeSabre and Skyhawk, Oldsmobile Cutlass, Delta 88, 98, and Cadillac DeVille and Fleetwood applications. For example, Fits 1986 Chevrolet C10, seal - detent control cable - top hat boot; Fits 1984 Chevrolet Monte Carlo, seal - detent control cable - top hat boot; Fits 1982-1984 GMC C2500, seal - detent control cable - top hat boot.

Pioneer Transmission Components are made as exact-fit replacement parts for transmission service, helping restore the sealing interface at the detent cable opening. The 760011 seal is a practical choice when servicing GM automatic transmissions that use THM250C/M31, THM350, or THM350C configurations where noted in the fitment data.

What This Seal Helps Address

• Transmission fluid seepage at the detent control cable opening
• Worn, hardened, or cracked top hat boot seal material
• Loose sealing at the cable pass-through area
• Service repairs on aging GM automatic transmission assemblies
• Fitment replacement for vehicles using the listed OE-style seal dimensions

Installation Notes and Tips

Verify the transmission family and the existing seal style before installation, especially on applications with THM250C/M31, THM350, or THM350C notes. Clean the sealing bore and cable area thoroughly before installing Pioneer Cables 760011 to help the new seal seat evenly. Confirm the inside diameter, thickness, and outside diameter against the removed part when servicing older Chevrolet, GMC, Buick, Oldsmobile, Pontiac, or Cadillac vehicles.

Quality Assurance

Pioneer Transmission Components are positioned as exact-fit replacement parts, with dimensions and application coverage matched to the listed GM fitments. Part number 760011 is built for direct replacement use in transmission sealing service.