MAHLE CB1990P50MM CONNECTING ROD BEARING (.50MM) FOR 2001-2016 GM 6.6L DURAMAX ENGINE

The MAHLE CB-1990P-.50MM is a high-performance, 0.50mm undersized connecting rod bearing designed for the 2001–2016 GM 6.6L Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). This bearing is part of the P-Series, known for its durability and suitability for high-performance applications.

 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:

  • Hardened steel back for added strength

  • Reduced overlay thickness to prevent overlay fatigue

  • High eccentricity for improved oil distribution

  • High crush for secure 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)

This bearing is suitable for both 12-valve (LB7, LLY, LBZ, LMM) and 24-valve (LML) engine configurations.

The MAHLE CB-1990P-.50MM connecting rod bearing is engineered specifically for optimal performance in the 2001–2016 GM 6.6L Duramax diesel engines, including the LB7, LLY, LBZ, LMM, and LML configurations. A vital component for enhancing engine reliability, this P-Series bearing is undersized by 0.50mm, making it ideal for applications requiring superior durability in high-stress environments.

Constructed with a tri-metal design coupled with a TM-77 overlay, this bearing ensures exceptional strength and resilience. Its hardened steel backing enhances overall durability, while a carefully minimized overlay thickness helps reduce the risk of overlay fatigue, making it suitable for performance tuners and heavy-duty applications alike. With advanced features such as high eccentricity for improved oil distribution and a high crush capability for secure seating, the MAHLE CB-1990P-.50MM not only meets but exceeds original equipment manufacturer specifications.

Each bearing is sold individually, allowing for tailored purchases based on specific repair or performance needs. Backed by a solid 12-month warranty, owners can have confidence in its long-lasting performance.

Compatible with various GM models, including the Chevrolet Silverado and GMC Sierra HD series, as well as the Chevrolet and GMC Express and Savana vans from 2001 to 2016, this connecting rod bearing fits seamlessly into both 12-valve and 24-valve engine setups.

Engineered for enthusiasts demanding reliability and performance, the MAHLE CB-1990P-.50MM is the perfect choice for anyone looking to enhance their Duramax engine's performance while ensuring its durability under heavy loads. Trust in MAHLE’s commitment to quality and performance for an upgrade that makes a difference.