Dorman 963-405D Transmission Control Module Bolt

Durable Nylon Transmission Control Module Bolt for GM Vehicles

The Dorman 963-405D Transmission Control Module Bolt is engineered to provide reliable fastening for transmission control modules in select GM vehicles. Crafted from black nylon, this bolt offers corrosion resistance and secure fitment for models including Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and more.

• Constructed from durable black nylon material for corrosion resistance
• Head diameter and outside diameter measure 0.67 inches for precise fit
• Shaft diameter of 0.14 inches ensures secure fastening
• Overall length of 0.65 inches suitable for transmission control module applications
• Package includes 4 retainers for multiple replacements

Product Details and Specifications

The Dorman 963-405D bolt is designed specifically for transmission control module mounting hardware. Its nylon construction provides a lightweight yet strong fastening solution that resists rust and wear over time. The bolt’s dimensions—0.67 inch head and outside diameter, 0.14 inch shaft diameter, and 0.65 inch overall length—are optimized for compatibility with various General Motors vehicles. The black color helps maintain a clean, professional appearance under the hood.

Compatible Vehicles and Applications

This transmission control module bolt is compatible with a range of GM makes and models, including Cadillac Escalade, Chevrolet Avalanche, GMC Sierra, Hummer H2, Jeep Liberty, Pontiac Montana, and Saturn Sky. It is suitable for use on models such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade ESV, and others within these brands. The part number 963-405D ensures you receive the correct fastener for your vehicle’s transmission control module.

• Secures transmission control module in place
• Prevents loosening due to vibration or engine movement
• Replaces worn or damaged transmission control module bolts
• Helps maintain proper electrical connections within the transmission system
• Supports reliable transmission performance and diagnostics

Installation Notes and Tips

When installing the Dorman 963-405D transmission control module bolt, ensure the mounting surface is clean and free of debris. Use appropriate torque specifications as outlined in the vehicle’s service manual to avoid over-tightening or damage. Nylon bolts may require careful handling to prevent stripping or cracking during installation. Verify fitment with your specific make and model before proceeding.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 963-405D transmission control module bolt undergoes quality checks to ensure durability and performance. While specific warranty details are not provided, Dorman typically offers limited warranties on their hardware products to cover defects in material and workmanship.