Dorman 99971 Engine Oil Level Sensor Cover

Engine Oil Level Sensor Cover for GM V8 Applications

Dorman 99971 is an engine oil level sensor cover built to match the fit and function of the original part on specified vehicles. It is made from quality materials for reliable performance and is a direct-fit solution for service on GM trucks, SUVs, and performance models.

Compatible With 1998-2020 Chevrolet Camaro, Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and related applications, this cover supports accurate service where the original oil level sensor cover has worn, cracked, or been removed. Part number 99971 is also a practical OE-style replacement for technicians working on LS-based engine platforms.

Key Features

• OE-style engine oil level sensor cover for specified GM applications
• Designed to match original fit and function
• Made from aluminum, steel, rubber, and related quality materials
• Black and chrome finish details listed for application matching
• Includes gasket or seal, sensor plugs, and mounting hardware
• Thread dimension: 1/8" NPT
• Mounting hole quantity: 2

Detailed Description

Dorman 99971 is engineered as a direct replacement engine oil level sensor cover for a wide range of Chevrolet, GMC, Cadillac, Hummer, and Pontiac vehicles. It is intended for service on applications such as Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Tahoe, Cadillac Escalade, Chevrolet Corvette, and Chevrolet Camaro, where a properly sealed oil level sensor cover is needed during repair or modification. The part number 99971 is built to align with the original part’s fit and function, helping maintain a clean, secure installation on the engine.

This part cross-references OE numbers 12577903 and 12611384 for the same application.

What It Helps Fix

• Oil seepage around the sensor cover area
• Damaged or missing original oil level sensor cover
• Improper sealing at the engine block-off location
• Service issues on LS-based GM engine applications
• Fitment problems caused by worn factory components

Installation Notes and Tips

Verify the thread dimension is 1/8" NPT before installation. Confirm the mounting hole layout and sealing surface match the original part on your vehicle. Clean the mating surface thoroughly before installing the gasket or seal, and tighten fasteners evenly to help maintain a proper seal.

Fits 1998-2020 Chevrolet Camaro, 2000-2014 Chevrolet Tahoe, 1999-2014 GMC Sierra 1500, and other listed GM applications. Review the full vehicle list for exact year and model coverage before ordering Dorman 99971.

Quality Assurance

This engine oil level sensor cover is manufactured to match original part fit and function on specified vehicles and is built from quality materials for dependable service.