Dorman 926-980 Transmission Crossmember

Durable Transmission Crossmember for Chevrolet and GMC Trucks

The Dorman 926-980 transmission crossmember is engineered to provide reliable support for the transmission assembly in heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Silverado 2500 HD and Sierra 3500 HD, this steel crossmember ensures proper alignment and structural integrity.

• Length: 1085.5 mm for precise fitment
• Standard suspension grade type for everyday durability
• Frame width of 174.5 mm to match OEM specifications
• Height of 124 mm to maintain proper transmission clearance
• 3.5 mm material thickness for strength and rigidity
• Four mounting holes with 13.5 mm diameter for secure installation
• Constructed from high-quality steel frame material
• Includes one complete transmission crossmember assembly

Product Details and Specifications

The Dorman 926-980 transmission crossmember is built from robust steel with a 3.5 mm thickness, providing the necessary strength to support the transmission in heavy-duty applications. Its length of 1085.5 mm and frame width of 174.5 mm are designed to match the frame dimensions of compatible Chevrolet and GMC trucks. The crossmember features four mounting holes, each with a 13.5 mm diameter, allowing for secure attachment to the vehicle frame. With a height of 124 mm, it maintains proper clearance for the transmission and related components, ensuring smooth operation and preventing interference.

Compatible Vehicles and Applications

This transmission crossmember is compatible with a range of Chevrolet and GMC heavy-duty trucks, including:

• Chevrolet Silverado 2500 HD, 3500, and 3500 HD
• GMC Sierra 2500 HD, 3500, and 3500 HD
• Chevrolet Suburban 2500 and 3500 HD
• GMC Yukon XL 2500

Common Issues Addressed by This Crossmember

• Transmission misalignment causing drivetrain vibrations
• Worn or damaged crossmember leading to transmission instability
• Frame damage affecting transmission mounting points
• Excessive movement or noise from transmission mounts
• Corrosion or metal fatigue compromising structural support

Installation Notes and Tips

Installation of the Dorman 926-980 transmission crossmember requires removal of the old crossmember and proper alignment with the vehicle frame. Note that mounting hardware is not included, so original bolts or suitable replacements will be necessary. Ensure all mounting holes align correctly and torque fasteners to manufacturer specifications. It is recommended to inspect transmission mounts and related components during installation for any additional wear or damage.

Quality Assurance and Warranty

Dorman manufactures this transmission crossmember to meet or exceed OEM standards, using durable steel construction for long-lasting performance. While mounting hardware is not included, the part is designed for direct replacement on specified Chevrolet and GMC models. Warranty information is available through Dorman and typically covers defects in materials and workmanship under normal use conditions.