Sealed Power 4-2020CP Engine Connecting Rod Bearing Set

Overview of Sealed Power Engine Connecting Rod Bearing Set 4-2020CP

The Sealed Power Engine Connecting Rod Bearing Set 4-2020CP is designed for reliable performance in a range of GM and related vehicles. This bearing set is engineered to meet precise housing bore and oil clearance specifications, ensuring proper fit and function in engines from Buick, Chevrolet, Pontiac, and more.

• Housing Bore Max: 2.1252 inches (53.98 mm)
• Housing Bore Min: 2.1247 inches (53.967 mm)
• Oil Clearance Range: 0.0005 to 0.0032 inches (0.013 to 0.081 mm)
• Overall Length Max: 0.8420 inches (21.39 mm)
• Wall Thickness Max: 0.0621 inches (1.577 mm)

Technical Specifications and Compatibility

This engine connecting rod bearing set is manufactured to fit standard shaft diameters between 1.9990 and 2.0000 inches (50.775 to 50.8 mm). The precise housing bore dimensions ensure compatibility with a variety of cylinder block components, maintaining optimal oil clearance for engine longevity. The 4-2020CP part number corresponds to applications in multiple GM makes including Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac.

Compatible vehicle models include the Buick Century, Chevrolet Cavalier, S10, and Lumina, Pontiac Sunbird and Tempest, Oldsmobile Cutlass Ciera, and others such as the GMC Sonoma and Isuzu Hombre. This bearing set supports engine rebuilds and maintenance for these specific models, providing a direct replacement for worn or damaged connecting rod bearings.

Common Applications and Problem Resolution

• Replacement of worn or scored connecting rod bearings
• Restoring proper oil clearance to prevent engine knocking
• Addressing bearing noise or vibration issues
• Preventing premature engine wear due to bearing failure
• Supporting engine rebuilds on Buick, Chevrolet, Pontiac, and GMC models

Installation Notes and Tips

Ensure the engine block housing bore dimensions fall within the specified range of 2.1247 to 2.1252 inches before installation. Verify shaft diameters are within the standard 1.9990 to 2.0000 inch range for proper bearing fit. Maintain clean engine components and apply appropriate assembly lubricant to the bearing surfaces during installation. Check oil clearance using plastigage or a similar method to confirm it remains between 0.0005 and 0.0032 inches for optimal performance.

Quality Assurance and Warranty

Sealed Power manufactures this connecting rod bearing set to meet industry standards for durability and precision. The 4-2020CP part number undergoes strict quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Sealed Power products typically include coverage against manufacturing defects to support professional engine rebuilds and repairs.