MAHLE CB-1990P-.50MM CONNECTING ROD BEARING (.50MM) FOR 2001-2016 GM 6.6L DURAMAX ENGINE

The MAHLE CB-1990P-.50MM is a high-performance P-Series connecting rod bearing designed for the 2001–2016 GM 6.6L Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). This bearing features a 0.50mm undersize, making it suitable for applications requiring slightly more clearance than standard bearings.

? Specifications

• Part Number: CB-1990P-.50MM

• Type: P-Series Performance Connecting Rod Bearing

• Undersize: 0.50mm

• Material: Tri-metal construction with TM-77 overlay

• Design Features:

  • High eccentricity for improved oil distribution

  • High crush for secure seating

  • Hardened steel back for durability

  • Flash plating-free for optimal seating

• Sold As: Individual bearing

• Warranty: 12 months
  

? Vehicle Fitment

The MAHLE CB-1990P-.50MM 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)

Specifically, this bearing fits the "A" stamped connecting rods commonly found in these models.

The MAHLE CB-1990P-.50MM Connecting Rod Bearing is a premier choice designed specifically for the 2001–2016 GM 6.6L Duramax diesel engines, making it an essential upgrade for enthusiasts and professionals alike. This P-Series performance bearing features a 0.50mm undersize, ideal for applications that demand enhanced clearance beyond standard specifications.

Constructed from high-quality tri-metal material, the bearing boasts a TM-77 overlay that maximizes durability and performance under extreme conditions. Its innovative design incorporates high eccentricity, allowing for improved oil distribution throughout the engine, which ultimately enhances efficiency and reduces wear. Additionally, the bearing is engineered with a high crush feature to ensure secure seating, while the hardened steel back promises longevity and resistance to deformation over time. The absence of flash plating further optimizes seating integrity, delivering reliable performance.

Sold individually and backed by a 12-month warranty, the MAHLE CB-1990P-.50MM is meticulously crafted to meet or exceed original equipment manufacturer specifications. It is compatible with a range of GM vehicles, including the Chevrolet Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD, as well as the Chevrolet Express and GMC Savana models produced during the same years. Specifically, this bearing is designed for the "A" stamped connecting rods commonly used in these vehicles.

Whether you're performing a complete engine rebuild or simply replacing worn-out bearings, the MAHLE CB-1990P-.50MM is a trusted solution that promises performance without compromise. Upgrade your engine’s reliability and efficiency with this high-performance connecting rod bearing, and experience the difference in your Duramax engine’s power delivery.