Dorman 917-478 Automatic Transmission Dipstick

Reliable Automatic Transmission Dipstick for GM Trucks and SUVs

The Dorman 917-478 automatic transmission dipstick is designed for precise fluid level checks in select Cadillac, Chevrolet, and GMC vehicles. Constructed with a durable metal shaft and a plastic handle, this dipstick ensures accurate transmission maintenance for models like the Chevrolet Silverado and GMC Sierra.

• Durable metal construction for long-lasting use
• Plastic handle for comfortable grip and easy handling
• Length of 35.2 inches to reach transmission fluid reservoirs accurately
• Compatible with multiple GM trucks and SUVs including Silverado, Sierra, Yukon, and Escalade
• Includes one transmission dipstick, no tube or gasket included

Product Details and Specifications

The Dorman 917-478 transmission dipstick features a sturdy metal shaft that resists bending and wear, providing reliable fluid level readings over time. The plastic handle offers a secure grip, making it easier to remove and insert the dipstick during routine maintenance. Measuring 35.2 inches in length, this dipstick is designed to fit the transmission fluid reservoirs of various GM vehicles without the need for an additional tube or gasket. This part is specifically engineered for automatic transmissions and is not adjustable.

Compatible Vehicles and Applications

This transmission dipstick is compatible with a range of Cadillac, Chevrolet, and GMC models, including:

• Cadillac Escalade, Escalade ESV, and Escalade EXT
• Chevrolet Avalanche 1500 and 2500
• Chevrolet Silverado 1500, 1500 Classic, 1500 HD, 1500 HD Classic, 2500 HD, 2500 HD Classic, 3500, and 3500 Classic
• GMC Sierra 1500, 1500 Classic, 1500 HD, 1500 HD Classic, 2500 HD, 2500 HD Classic, 3500, and 3500 Classic
• Chevrolet Suburban 1500 and 2500, Tahoe
• GMC Yukon, Yukon XL 1500, and Yukon XL 2500

Common Uses and Maintenance Benefits

• Accurate transmission fluid level measurement to prevent overfilling or low fluid conditions
• Helps identify transmission fluid contamination or discoloration
• Supports routine transmission maintenance and fluid changes
• Prevents transmission damage caused by improper fluid levels
• Assists in diagnosing transmission performance issues

Installation Notes and Tips

Installation of the Dorman 917-478 dipstick is straightforward and requires no special tools. Simply remove the existing dipstick and insert the new one fully into the transmission dipstick tube. Ensure the dipstick is seated properly to avoid inaccurate readings. Since this dipstick does not include a tube or gasket, verify that the existing components are in good condition before installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. The 917-478 transmission dipstick undergoes quality inspections to maintain durability and accuracy. Please refer to Dorman's warranty policy for specific coverage details.