2011-2024 Duramax Front Differential Cover (138041000)

Fits

Keep your front diff looking clean & running cool; PPE's HD A356.0-T6 cast aluminum front differential cover; featuring thermal heat sinks & external cooling fins, this keeps your differential oil running within its ideal viscosity range, helping extend differential service life.

Part Number: 138041000

• High-grade A356.0-T6 heat treated cast aluminum alloy
• Stainless steel Neodymium-magnet-equipped fill plug
• 1/8" stainless temperature probe plug
• Retains use of original high-quality gasket
• Adds additional strength to gear housing
• Cast from high-grade aluminum alloy
• 1/4" external cooling fins
• Zinc-plated fasteners
• 5/8" internal fins
• 3/4 quart additional fluid capacity
• Limited lifetime warranty

• Recommendation Disclaimer: Replace with a new copper washer after each service.
• Part # 114052002 14mm Copper Washer