Pioneer Cables 759024 Automatic Transmission Speedometer Pinion Seal

Automatic Transmission Speedometer Pinion Seal

Pioneer Cables 759024 is an automatic transmission speedometer pinion seal for applications that need a precise sealing surface at the speedometer gear shaft. With an outside diameter of 0.5625 in. and thickness of 0.1875 in., this metal clad lip seal is built for exact-fit replacement use in a wide range of import and domestic vehicles.

Key Features

• Automatic transmission speedometer pinion seal for the speedometer gear shaft
• Outside diameter: 0.5625 in.
• Thickness: 0.1875 in.
• Metal clad seal construction with lip seal design
• Direct replacement part from Pioneer Transmission Components
• Cross-references Bosch 15043 for the same application

Detailed Description

Pioneer Cables 759024 is an OE-style replacement seal for the transmission speedometer pinion area, where a tight seal helps maintain fluid control around the speedometer gear shaft. Pioneer Transmission Components are built as exact-fit replacement parts, making this seal a practical choice for service work on vehicles such as BMW 318i, BMW 325i, Chevrolet Camaro, GMC Jimmy, and Isuzu Trooper. This part number 759024 also cross-references Bosch 15043 for the same application.

Compatible With applications across 1977-1995 model years, including BMW 318i, 318is, 318ti, 325i, 325is, 525i, and 525iT; Chevrolet Caprice, Camaro, Corvette, C10, K10, S10, El Camino, Monte Carlo, and Impala; GMC C/K trucks, Jimmy, Safari, and Suburban models; plus Geo Tracker, Honda Passport, Isuzu Rodeo, Trooper, and Suzuki Sidekick.

What It Helps Solve

• Transmission fluid seepage at the speedometer gear shaft
• Worn or hardened speedometer pinion seal material
• Leak points created during speedometer gear service
• Seal replacement needs on high-mileage automatic transmissions
• Restoration work on older BMW, Chevrolet, GMC, and Isuzu applications

Installation Notes and Tips

Verify the transmission family and speedometer pinion location before installation, especially on applications with notes such as THM350C, TH200-4R, THM200, THM350, or THM250C. Inspect the shaft and bore for wear, clean the sealing surface thoroughly, and confirm the seal dimensions match the original part before assembly. For fitment-specific service, use the vehicle year, make, model, and transmission notes listed for your application.

Quality Assurance

Pioneer Transmission Components are positioned as exact-fit replacement parts for transmission service, with dimensions and application coverage provided for accurate selection. Part number 759024 is specified for confirmed fitment across the listed vehicles and transmission configurations.