Pioneer Cables 871008 Automatic Transmission Flexplate

Automatic Transmission Flexplate for GM Trucks and Vans

Pioneer Cables 871008 is an automatic transmission flexplate built for GM truck and van applications that require a 168-tooth, 14.125-inch outside diameter design. It is made to original dimensions, uses high-grade steel, and is precision balanced to factory specifications for consistent drivetrain operation.

Key Features

• Part number 871008 automatic transmission flexplate
• 14.125-inch outside diameter
• 168-tooth ring gear
• Built from high-grade steel
• Automated welding process for consistent strength
• Precision balanced to factory specs
• OE-style replacement for GM automatic transmission applications

Product Details

This Pioneer Cables flexplate is engineered as a direct replacement for a range of Chevrolet and GMC applications, including Chevrolet C2500, Chevrolet K3500, GMC C2500 Suburban, GMC Savana 3500, and Chevrolet G30 models. The 871008 flexplate follows original dimensions to help maintain proper starter engagement, crankshaft interface, and transmission alignment in 1991-2000 Chevrolet C2500 and GMC K3500 applications, along with other listed GM trucks, vans, and chassis cab models.

By combining factory-size construction with balanced steel fabrication, this flexplate supports smooth rotational performance in automatic transmission setups that use a 168-tooth pattern. The 871008 part number is a practical choice when replacing a worn, cracked, or out-of-spec flexplate on GM heavy-duty and commercial-duty vehicles.

What This Part Helps Solve

• Cracked or damaged flexplate material
• Starter engagement issues caused by worn ring gear teeth
• Vibration from an out-of-balance flexplate
• Noise from flexplate distortion or fatigue
• Drivetrain fitment problems from incorrect dimensions

Installation Notes and Tips

Verify the 14.125-inch outside diameter and 168-tooth count before installation. Confirm the vehicle’s transmission and starter configuration against the listed fitment for Chevrolet C2500, GMC C3500, Chevrolet K2500 Suburban, and related GM applications. Inspect the crankshaft flange, starter drive, and mounting surfaces for wear or damage before installing the new flexplate.

Quality Assurance

Pioneer Cables manufactures this flexplate to original dimensions using high-grade steel, automated welding, and factory-spec balancing to support consistent fit and operation. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.