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Clevite CB-1990P Engine Connecting Rod Bearing PairOE Quality 60-Day Returns
Part #: CB-1990P

Clevite CB-1990P Engine Connecting Rod Bearing Pair

⚙️ 113 vehicles fit this part
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🚗Fitment: Chevrolet, GMC, and Hummer, Express 2500, Express 3500, H1, Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, and Silverado 3500 HD
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Reliable Engine Connecting Rod Bearing Pair for Chevrolet and GMC

The Clevite CB-1990P engine connecting rod bearing pair is designed to meet or exceed original equipment manufacturer specifications, ensuring dependable performance for your heavy-duty vehicle. Compatible with Chevrolet, GMC, and Hummer models, this standard size bearing pair offers precise dimensions for optimal engine function.

  • OE replacement grade bearing for consistent durability
  • Standard size with bearing O.D. of 2.6372 inches
  • Maximum wall thickness of 0.0795 inches for reliable support
  • Vertical oil clearance max of 0.0034 inches to maintain proper lubrication
  • Fits Chevrolet Silverado 2500 HD, Sierra 3500, GMC Savana 3500, Hummer H1, and more

Technical Specifications and Performance Details

The CB-1990P bearing pair features a precise bearing outer diameter (O.D.) of 2.6372 inches, consistent across both maximum and minimum measurements, ensuring a perfect fit within the engine block. The bearing series P is engineered with a maximum wall thickness of 0.0795 inches, providing the necessary strength to withstand engine stresses. The vertical oil clearance is maintained at a maximum of 0.0034 inches, allowing for optimal oil flow and reducing wear on the connecting rod journals. This bearing pair supports standard shaft diameters ranging from 2.4764 to 2.4772 inches, making it suitable for a range of heavy-duty applications.

Compatible Vehicles and Applications

This engine connecting rod bearing pair is compatible with a variety of Chevrolet, GMC, and Hummer models, including:

  • Chevrolet Express 2500 and 3500
  • GMC Savana 2500 and 3500
  • Chevrolet Silverado 2500 HD, 3500, and their Classic variants
  • GMC Sierra 2500 HD, 3500, and Classic models
  • Hummer H1

Common Engine Issues Addressed

  • Excessive bearing wear causing engine knocking
  • Reduced oil clearance leading to insufficient lubrication
  • Connecting rod bearing failure due to improper fit
  • Engine noise related to bearing degradation
  • Premature engine wear from substandard bearing materials

Installation Notes and Tips

Ensure the engine block and connecting rod journals are thoroughly cleaned before installation. Verify shaft diameters and bearing clearances using precision measuring tools to confirm compatibility with the CB-1990P bearing pair. Proper lubrication during assembly is critical to prevent initial wear. Follow manufacturer torque specifications when securing connecting rods to avoid bearing damage.

Quality Assurance and Warranty

The Clevite CB-1990P bearing pair meets or exceeds original equipment manufacturer specifications, providing reliable performance for heavy-duty engines. Manufactured under strict quality control standards, this bearing pair is designed for durability and consistent operation. Warranty details are available through the manufacturer to ensure customer confidence in product quality.

BrandClevite
Part NumberCB-1990P
Bearing Item GradeOe replacement
Bearing O.D. or Housing Bore (max.)2.6372
Bearing O.D. or Housing Bore (min.)2.6372
Bearing SeriesP
Max. Wall0.0795
Meets or Exceeds Original Equipment Manufacture SpecificationsYes
SizeStandard
Standard Shaft Diameter (max.)2.4772
Standard Shaft Diameter (min.)2.4764
Vertical Oil Clearance (max.)0.0034

This part fits 113 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2016ChevroletExpress 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2016ChevroletExpress 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2016ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2016ChevroletSilverado 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2016GMCSavana 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2016GMCSavana 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2016GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2016GMCSierra 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2015ChevroletExpress 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2015ChevroletExpress 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2015ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2015ChevroletSilverado 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2015GMCSavana 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2015GMCSavana 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2015GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2015GMCSierra 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2014ChevroletExpress 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2014ChevroletExpress 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2014ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2014ChevroletSilverado 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2014GMCSavana 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2014GMCSavana 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2014GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2014GMCSierra 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2013ChevroletExpress 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2013ChevroletExpress 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2013ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2013ChevroletSilverado 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2013GMCSavana 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2013GMCSavana 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2013GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2013GMCSierra 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2012ChevroletExpress 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2012ChevroletExpress 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2012ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2012ChevroletSilverado 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2012GMCSavana 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2012GMCSavana 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2012GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2012GMCSierra 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2011ChevroletExpress 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2011ChevroletExpress 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2011ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2011ChevroletSilverado 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2011GMCSavana 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2011GMCSavana 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2011GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2011GMCSierra 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2010ChevroletExpress 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2010ChevroletExpress 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2010ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2010ChevroletSilverado 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2010GMCSavana 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2010GMCSavana 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2010GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2010GMCSierra 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2009ChevroletExpress 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2009ChevroletExpress 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2009ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2009ChevroletSilverado 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2009GMCSavana 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2009GMCSavana 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2009GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2009GMCSierra 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2008ChevroletExpress 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2008ChevroletExpress 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2008ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2008ChevroletSilverado 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2008GMCSavana 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2008GMCSavana 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2008GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2008GMCSierra 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007ChevroletExpress 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007ChevroletExpress 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007ChevroletSilverado 2500 HD Classic6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007ChevroletSilverado 3500 Classic6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007ChevroletSilverado 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007GMCSavana 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007GMCSavana 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007GMCSierra 2500 HD Classic6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007GMCSierra 3500 Classic6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2007GMCSierra 3500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2006ChevroletExpress 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2006ChevroletExpress 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2006ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2006ChevroletSilverado 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2006GMCSavana 25006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2006GMCSavana 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2006GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2006GMCSierra 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2006HummerH16.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2005ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2005ChevroletSilverado 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2005GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2005GMCSierra 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2004ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2004ChevroletSilverado 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2004GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2004GMCSierra 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2003ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2003ChevroletSilverado 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2003GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2003GMCSierra 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2002ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2002ChevroletSilverado 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2002GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2002GMCSierra 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2001ChevroletSilverado 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2001ChevroletSilverado 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2001GMCSierra 2500 HD6.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A
2001GMCSierra 35006.6LV8N/AOE Replacement; P Series (Tri-Metal); Standard; Use With Connecting Rods Marked With A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.