Clevite CB-1990P Engine Connecting Rod Bearing Pair
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Clevite

Clevite CB-1990P Engine Connecting Rod Bearing Pair

Brand Clevite CB-1990P
Bearing Item Grade Oe replacement
Bearing O.D. or Housing Bore (max.) 2.6372
Bearing O.D. or Housing Bore (min.) 2.6372
Bearing Series P
Max. Wall 0.0795
Meets or Exceeds Original Equipment Manufacture Specifications Yes
Size Standard
Standard Shaft Diameter (max.) 2.4772
Standard Shaft Diameter (min.) 2.4764
Vertical Oil Clearance (max.) 0.0034
Fits Chevrolet, GMC, and Hummer · 113 vehicles

OE replacement. Meets or exceeds original equipment specifications.

Tri-metal design. Increased load capacity for demanding use.

P-Series versatility. Suitable for most OE applications.

$35.47Free shipping
In stock · usually ships same day before 1pm CST
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Clevite CB-1990P Connecting Rod Bearing Pair

Clevite CB-1990P is an OE replacement engine connecting rod bearing pair built for standard-size service in demanding rebuilds. The P-Series tri-metal construction adds load capacity for heavy-duty use, motorsports, and street performance while remaining suitable for many OE applications.

Key Features

  • OE replacement bearing item grade for engine rebuilds
  • P-Series tri-metal design for increased load capacity
  • Standard size for applications using standard shaft diameter
  • Meets or exceeds original equipment manufacturer specifications
  • Vertical oil clearance up to 0.0034 for controlled bearing clearance
  • Standard shaft diameter range: 2.4764 to 2.4772
  • Bearing housing bore: 2.6372
  • Max wall thickness: 0.0795

Detailed Description

The Clevite CB-1990P is part of Clevite’s P-Series engine bearing line, a tri-metal design commonly selected for rebuilds where higher cylinder pressure, sustained load, or performance use is expected. It is a standard-size connecting rod bearing pair for engines that call for this specific OE replacement specification. This part number, CB-1990P, is used in a wide range of Chevrolet and GMC truck and van applications, including Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD, Express 2500, Express 3500, Savana 2500, Savana 3500, and Hummer H1 applications that specify connecting rods marked with A.

For buyers searching for a Clevite CB-1990P connecting rod bearing pair for Chevrolet Silverado 2500 HD or GMC Sierra 3500 HD rebuilds, this bearing is a direct-fit OE-style service part when the engine calls for the listed standard dimensions and rod marking.

What It Helps Address

  • Rod bearing wear found during engine teardown
  • Clearance issues in standard-size rebuilds
  • Load-related bearing distress in heavy-duty service
  • Need for an OE replacement bearing with tri-metal construction
  • Engine rebuilds for street performance or motorsports use

Installation Notes and Tips

  • Verify the engine uses connecting rods marked with A before ordering.
  • Confirm standard-size bearing requirements and measure shaft diameter during inspection.
  • Check oil clearance against the engine specification before final assembly.
  • Clean rod journals and bearing saddles thoroughly before installation.
  • Use proper assembly lubricant and follow factory torque procedures.

Quality Assurance

Clevite P-Series bearings are built to meet or exceed original equipment manufacturer specifications and are positioned as an OE replacement choice for rebuilds that need added load capacity. The CB-1990P is a practical option for Chevrolet Silverado and GMC Sierra engine service where standard-size rod bearings are required.

This part fits 113 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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