Sealed Power 6-4990A Engine Connecting Rod Bearing Set

Sealed Power 6-4990A Connecting Rod Bearing Set

Sealed Power 6-4990A is a standard-size engine connecting rod bearing set for select GM applications. It is built for precise housing bore and shaft dimensions, controlled oil clearance, and consistent bearing wall thickness to support proper engine rebuild service.

Compatible With Chevrolet Impala, Malibu, Monte Carlo, Uplander; Pontiac G6, Montana; Saturn Aura, Relay, Vue; and Buick Rendezvous, Terraza applications that call for standard-size connecting rod bearings.

Key Features

• Standard size connecting rod bearing set for engine rebuild and repair work
• Full set configuration for matched rod bearing service
• Housing bore range: 2.3746-2.3755 in. (60.3150-60.3380 mm)
• Standard shaft range: 2.2489-2.2495 in. (57.1220-57.1370 mm)
• Oil clearance range: 0.0007-0.0027 in. (0.0180-0.0690 mm)
• Overall length range: 0.7620-0.7720 in. (19.3550-19.6100 mm)
• Wall thickness up to 0.0622 in. (1.5800 mm)
• Sealed Power manufacturing uses modern materials and ISO/QS-certified production methods

Detailed Description

Sealed Power 6-4990A engine connecting rod bearing set is engineered for standard-size service in select Chevrolet, Pontiac, Saturn, and Buick vehicles. The dimensional specifications are important for rebuild accuracy, including housing bore, shaft diameter, oil clearance, and wall thickness. This part cross-references BB129J and CB1874A6 for the same application.

Fits 2006-2011 Chevrolet Impala, N/A; Fits 2004-2010 Chevrolet Malibu, N/A; Fits 2006-2007 Chevrolet Monte Carlo, N/A; Fits 2005-2006 Chevrolet Uplander, N/A; Fits 2005-2010 Pontiac G6, N/A; Fits 2005-2006 Pontiac Montana, N/A; Fits 2007-2008 Saturn Aura, N/A; Fits 2005-2006 Saturn Relay, N/A; Fits 2008-2010 Saturn Vue, N/A; Fits 2006 Buick Rendezvous, N/A; Fits 2005-2006 Buick Terraza, N/A.

What It Helps Address

• Rod bearing wear found during engine teardown
• Excessive bearing clearance during rebuild inspection
• Noise caused by worn connecting rod bearings
• Oil pressure loss related to bearing wear
• Restoration of proper crankshaft-to-rod bearing fit

Installation Notes and Tips

Verify crankshaft journal size, rod bore condition, and oil clearance before assembly. Clean all mating surfaces thoroughly and follow the engine builder’s torque and lubrication specifications during installation. Confirm that the application calls for standard-size bearings before ordering Sealed Power 6-4990A.

Quality Assurance

Sealed Power parts are produced with modern materials and ISO- and QS-certified manufacturing processes to support consistent fit and dimensional control for engine service work.