Pioneer Cables 761016 Automatic Transmission Servo Piston Seal Ring

Automatic Transmission Servo Piston Seal Ring

Pioneer Cables 761016 is an automatic transmission servo piston seal ring for direct clutch accumulator applications. It is an exact-fit replacement part built for select GM cars and trucks from 1976-1986, including Chevrolet C10, GMC C1500, Buick Regal, and Pontiac Grand Prix.

Key Features

• Automatic transmission servo piston seal ring for direct clutch accumulator service
• Exact-fit replacement from Pioneer Transmission Components
• Fits a wide range of Chevrolet, GMC, Buick, Oldsmobile, Pontiac, and Cadillac applications
• Supports transmission sealing in metal direct clutch accumulator assemblies
• Part number 761016 for catalog and service reference

Detailed Description

Pioneer Cables 761016 is engineered for select automatic transmissions that use a metal direct clutch accumulator. It is listed across 407 vehicle applications, covering many 1976-1986 Chevrolet C10 and C20 trucks, GMC C1500 and Jimmy models, and passenger cars such as the Buick LeSabre, Oldsmobile Cutlass, and Pontiac Firebird. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Pioneer Transmission Components are positioned as exact-fit replacement parts, making this seal ring a practical choice when servicing transmission sealing issues on older GM platforms. Use part number 761016 when verifying catalog fitment for Chevrolet, GMC, Buick, Oldsmobile, Pontiac, and Cadillac vehicles.

What It Helps Address

• Transmission fluid leakage at the servo piston seal area
• Loss of hydraulic pressure in the direct clutch accumulator circuit
• Harsh or inconsistent transmission operation tied to worn sealing surfaces
• Service needs during transmission rebuilds on older GM automatic transmissions
• Replacement of deteriorated seal rings in metal accumulator assemblies

Installation Notes and Tips

Confirm the transmission design and accumulator style before installation. Match the vehicle year, make, and model to the fitment list, especially on Chevrolet C10, GMC C1500, and Buick Regal applications. Inspect the sealing bore and related transmission components for wear or damage before installing 761016.

Quality Assurance

Pioneer Transmission Components are supplied as exact-fit replacement parts for service work where dimensional accuracy matters. Verify fitment by vehicle application and transmission configuration before purchase.