Pioneer Cables 759025 Automatic Transmission Oil Pump Seal - Front, Front Outer or Outer

Automatic Transmission Oil Pump Seal

Pioneer Cables 759025 is an automatic transmission oil pump seal built to match the original fit and sealing dimensions for a wide range of GM applications. With precise measurements and OE-style replacement construction, it supports proper sealing at the transmission pump interface on vehicles such as the Chevrolet Camaro, GMC Jimmy, and Cadillac DeVille.

Key Features

• Automatic transmission oil pump seal for transmission sealing service
• Inside diameter: 1.6875
• Thickness: 0.375
• Outside diameter: 2.875
• Exact-fit replacement from Pioneer Transmission Components
• Cross-reference: Anchor 3227

Fitment and Application

Compatible with a broad range of 1976-1993 GM vehicles, including Fits 1991-1993 Cadillac DeVille, Front; Fits 1993 Chevrolet Camaro, N/A; Fits 1983-1993 Chevrolet S10, N/A; Fits 1993 GMC Jimmy, Front Outer; and Fits 1985-1992 Oldsmobile Custom Cruiser, N/A. This part number 759025 also appears across many Chevrolet and GMC truck, van, and SUV applications with Front, Front Outer, Outer, and N/A positions as listed in the fitment data.

Part number 759025 is listed for numerous Chevrolet and GMC platforms, including Camaro, Caprice, Blazer, C1500, K1500, Safari, Sonoma, and Yukon applications. If you are servicing a GM automatic transmission and need a pump seal with the correct dimensions, this seal is a direct match for the specified fitments.

What This Part Helps Address

• Transmission fluid seepage at the oil pump seal area
• Loss of sealing integrity during transmission service
• Replacement of a worn or hardened pump seal
• Leak concerns after pump or transmission disassembly
• Fitment matching for GM automatic transmission rebuild work

Installation Notes and Tips

Verify transmission type and application notes before installation, especially where the fitment data specifies THM700-R4/4L60/MD8, 4L60-E, or THM200. Confirm seal dimensions against the original part and inspect the pump bore and sealing surface for wear, scoring, or contamination before assembly. Proper cleaning and careful seating help support a reliable seal.

Quality Assurance

Pioneer Transmission Components are positioned as exact-fit replacement parts, built to match the original application requirements for the listed vehicles. Part number 759025 is supported by published interchange references and detailed fitment data for application verification.