MAHLE CB-1805HK-.25MM H-SERIES ROD BEARING (.25MM) FOR 2001-2016 GM 6.6L DURAMAX ENGINE

The MAHLE CB-1805HK-.25MM is a high-performance H-Series connecting rod bearing designed for the 2001–2016 GM 6.6L Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). This bearing is engineered to accommodate a 0.25mm undersized crankshaft journal, making it suitable for engines with slightly worn or reground crankshaft surfaces.

Specifications

• Part Number: CB-1805HK-.25MM

• Type: H-Series Performance Connecting Rod Bearing

• Undersize: 0.25mm

• Material: Tri-metal construction with a hardened steel back and overlay

• Design Features:

  • Enhanced load-carrying capacity

  • High crush for secure seating

  • Medium eccentricity for improved oil distribution

  • Flash plating-free for optimal seating

• Dimensions:

  • Length: Approximately 1.2250 inches

  • Wall Thickness: Maximum 0.0775 inches

  • Vertical Oil Clearance: Maximum 0.0045 inches

• Warranty: 12 months

• Manufactured in: United States
  

Vehicle Fitment

The MAHLE CB-1805HK-.25MM bearing is compatible with the following GM vehicles equipped with the 6.6L Duramax diesel engine:

• Chevrolet Silverado 2500HD/3500HD (2001–2016)

• GMC Sierra 2500HD/3500HD (2001–2016)

• Chevrolet Express 2500/3500 (2001–2016)

• GMC Savana 2500/3500 (2001–2016)