MAHLE CB-1805H-.026MM H-SERIES ROD BEARING (.026MM) FOR 2001-2016 GM 6.6L DURAMAX ENGINE

The MAHLE CB-1805H-.026MM is a high-performance connecting rod bearing designed for the 2001–2016 GM 6.6L Duramax diesel engines, including LB7, LLY, LBZ, LMM, and LML variants. This bearing is part of the H-Series line, known for its durability and performance under high-stress conditions.

? Product Overview

• Part Number: CB-1805H-.026MM

• Type: Tri-metal construction (TM-77)

• Material: Aluminum with hardened steel back and thin overlay

• Design: Medium eccentricity, high crush

• Size: Undersize by 0.026mm (0.0010")

• Quantity: Sold individually; 8 required per engine

• Fitment: 2001–2016 GM 6.6L Duramax (LB7, LLY, LBZ, LMM, LML)

⚙️ Specifications

• Housing Bore: 2.6372" – 2.6378" (66.9849mm – 67.0001mm)

• Shaft Diameter: 2.4764" – 2.4772" (62.9006mm – 62.9209mm)

• Max Length: 0.934" (23.7236mm)

• Max Wall Thickness: 0.0795" (2.0193mm)

• Undersize: 0.026mm (0.0010")

?️ Features

• High Load Capacity: Withstands over 60% higher loads compared to competitor bearings.

• Durability: Exceeds light vehicle OE durability requirements of 150,000 miles and heavy vehicle OE durability requirements of 300,000 miles.

• Seizure Resistance: Offers up to 40% better seizure resistance than competitors' engine bearings.

• Forgiving Surface: Provides a superior surface for forgiveness, beneficial in poorly maintained engines.

The MAHLE CB-1805H-.026MM H-Series Rod Bearing is engineered for optimal performance in the demanding conditions of the 2001–2016 GM 6.6L Duramax diesel engines, including the LB7, LLY, LBZ, LMM, and LML variants. With its precise .026mm undersized configuration, this high-performance bearing provides an exceptional fit and ensures the longevity essential for serious enthusiasts and professionals alike.

Constructed from a durable tri-metal composite (TM-77), the CB-1805H features an aluminum base complemented by a hardened steel back and a thin overlay, resulting in superior resistance to wear, heat, and fatigue. The medium eccentricity design coupled with an impressive high crush capability further enhances its load-bearing qualities, allowing it to withstand over 60% higher loads compared to standard bearings.

Engineered for an extensive lifespan, the CB-1805H surpasses light vehicle OE durability standards of 150,000 miles and heavy vehicle requirements of 300,000 miles, offering peace of mind for both casual drivers and heavy-duty applications. The bearing's advanced seizure resistance—up to 40% better than its competitors—ensures smooth operation under various conditions, guaranteeing consistent performance even in less-maintained engines.

With a housing bore size of 2.6372" to 2.6378" and a shaft diameter of 2.4764" to 2.4772", this rod bearing is precision-crafted to fit seamlessly into your Duramax engine. Sold individually, with eight required per engine, the MAHLE CB-1805H-.026MM delivers superior quality and reliability, making it the go-to choice for those seeking exceptional engine performance. Experience the difference with MAHLE's commitment to excellence and innovation.