GM 97209342 Rear Main Seal 2001-2024 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P

The GM 97209342 Rear Main Seal for the 2001-2024 GM 6.6L Duramax engines—LB7, LLY, LBZ, LMM, LML, and L5P—is a vital component engineered for durability and reliability. This seal expertly seals the openings at either end of the crankshaft, ensuring a tight fit that is crucial for maintaining the integrity of the crankcase. It is designed to withstand the intense heat and pressure generated within the engine, effectively preventing oil leaks that could compromise performance and engine health.

As a GM Genuine Part, this rear main seal reflects the highest standards of quality as it was designed and validated by GM engineers specifically for Chevrolet, Buick, GMC, and Cadillac vehicles. Unlike aftermarket alternatives, this seal integrates seamlessly with your vehicle's safety systems, ensuring compliance with OE safety regulations. GM continually updates their production and service part designs, incorporating the latest materials and technologies for improved performance.

Crafted from robust steel elastomer, the seal features a total thickness of 13 mm (0.51 in) and an inside diameter of 104 mm (4.09 in), making it a perfect fit for your engine. With a classic round rim shape and a sleek black color, this seal not only offers functionality but also maintains the aesthetic integrity of the engine compartment.

Additionally, the GM 97209342 Rear Main Seal comes with a 24-month, unlimited mileage limited warranty when installed by a GM dealer, providing peace of mind with your investment. Upgrade your engine's longevity with this essential component, ensuring smooth operation and maintenance of your GM vehicle for years to come.

• Seals the openings on either end of the crankshaft for a tight seal
• Withstands heat and pressure to help prevent the engine from leaking oil
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
• GM regularly updates production and service part designs to integrate new materials and technologies

GM Genuine Parts Engine Crankshaft Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These engine crankshaft seals are responsible for helping maintain the crankcase seal by sealing the openings on either end of the crankshaft. GM Genuine Parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Warranty

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Product Specifications

Classification	OE
Color	Black
Inside Diameter	104 mm
Thickness	13 mm
Seal Type	Oil Seal
Rim Shape	Round
Outside Diameter	5.47 in
Material	Steel Elastomer
Thickness	0.51 in
Inside Diameter	4.09 in
Outside Diameter	139 mm