Dorman 918-666 Automatic Transmission Dipstick

Automatic Transmission Dipstick for GM Trucks

This Dorman automatic transmission dipstick is built to match the fit and function of the original part on specified Chevrolet Silverado and GMC Sierra applications. It is a direct replacement for service checks and fluid level verification on compatible GM heavy-duty trucks.

• Direct replacement automatic transmission dipstick
• Fits specified 2001-2007 Chevrolet Silverado and GMC Sierra heavy-duty models
• Steel and plastic construction for durability
• Black handle for easy identification under the hood
• Includes gasket or seal
• 40 in. overall length
• Non-adjustable design with no tube included

Fitment Details

• Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A, 970mm
• Fits 2007 Chevrolet Silverado 3500 Classic, N/A, 970mm
• Fits 2007 GMC Sierra 2500 HD Classic, N/A, 970mm
• Fits 2007 GMC Sierra 3500 Classic, N/A, 970mm
• Fits 2001-2006 Chevrolet Silverado 2500 HD, N/A, 970mm
• Fits 2001-2006 Chevrolet Silverado 3500, N/A, 970mm
• Fits 2001-2006 GMC Sierra 2500 HD, N/A, 970mm
• Fits 2001-2006 GMC Sierra 3500, N/A, 970mm
• Fits 2001-2003 Chevrolet Silverado 2500, N/A, 970mm
• Fits 2001-2003 GMC Sierra 2500, N/A, 970mm

What This Part Helps Address

• Broken or missing transmission dipstick
• Inaccurate automatic transmission fluid level checks
• Worn handle or damaged dipstick markings
• Replacement needs after transmission service
• Fitment issues on Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500 applications

Installation Notes and Tips

Verify the vehicle application and 970mm length before installation. This part is non-adjustable and does not include a tube or mounting bracket, so it should be matched to the original dipstick configuration on the vehicle. For service accuracy, check transmission fluid level only with the vehicle in the proper operating condition specified by the manufacturer.

Quality Assurance

Dorman designs this automatic transmission dipstick to match original fit and function on listed vehicles, with materials selected for dependable service. Part number 918-666 also cross-references 15794381 for the same application.