Pioneer Cables 755066 Automatic Transmission Bushing

Automatic Transmission Bushing for GM and Classic Applications

Pioneer Cables 755066 is an automatic transmission bushing for direct replacement in a wide range of Chevrolet, GMC, Cadillac, Buick, Jeep, Jaguar, and Rolls-Royce applications. It is built as an exact-fit replacement part for the driven sprocket support, stator, and sun gear shaft locations found in many THM400, THM475/M40, and related transmission setups.

This part cross-references Carlson 14073 for the same application.

Key Features

• Automatic transmission bushing for driven sprocket support, stator, and sun gear shaft service
• Exact-fit replacement from Pioneer Transmission Components
• Compatible with many Chevrolet C/K truck, Suburban, Blazer, Tahoe, and Express van applications
• Also listed for GMC C/K truck, Jimmy, Yukon, Savana, and P-series applications
• Part number 755066 for catalog and fitment lookup

Detailed Description

Pioneer Cables 755066 is a transmission bushing replacement made for vehicles that use the driven sprocket support and sun gear shaft interface inside the automatic transmission. Fitment includes 1976-2000 Chevrolet and GMC trucks and vans, plus selected Cadillac, Buick, Oldsmobile, Jeep, Jaguar, and Rolls-Royce models. Common search terms for this part include automatic transmission bushing for Chevrolet C1500, GMC K2500 transmission bushing, and THM400 sun gear shaft bushing replacement. The part number 755066 is also a useful reference when matching service parts across older GM drivetrains.

Common Problems This Part Addresses

• Worn or scored transmission bushing surfaces
• Excessive play at the stator or sun gear shaft area
• Transmission noise or vibration related to support wear
• Fluid leakage caused by bushing wear at the shaft interface
• Fitment issues during transmission rebuild or overhaul

Installation Notes and Tips

Verify transmission family and application notes before installation, especially on vehicles marked only for THM400 or THM475/M40 use. Confirm the driven sprocket support and sun gear shaft dimensions against the removed part before assembly. Clean the bore thoroughly and inspect the shaft for wear or damage before pressing in the new bushing.

Quality Assurance

Pioneer Transmission Components markets this part as an exact-fit replacement with no compromise on application matching. Use the confirmed vehicle fitment list to verify compatibility before ordering.