Sealed Power 4-4820A Engine Connecting Rod Bearing Set

Overview of Sealed Power Engine Connecting Rod Bearing Set 4-4820A

The Sealed Power Engine Connecting Rod Bearing Set 4-4820A is designed for reliable performance in Geo and Toyota vehicles, including the Celica, Corolla, and Prizm models. This bearing set meets precise dimensional specifications to ensure proper fit and function within the engine's cylinder block components.

• Housing Bore Diameter Range: 2.0075 to 2.0079 inches (50.9910 to 51.0010 mm)
• Overall Length Max: 0.6730 inches (17.1000 mm)
• Standard Shaft Diameter Range: 1.8892 to 1.8898 inches (47.9860 to 48.0010 mm)
• Wall Thickness Max: 0.0586 inches (1.4900 mm)
• Compatible with Geo Celica, Toyota Corolla, and Toyota Prizm

Technical Specifications and Compatibility

The 4-4820A connecting rod bearing set is engineered to fit within the tight tolerances required for optimal engine operation. The housing bore maximum diameter of 2.0079 inches and minimum of 2.0075 inches ensures a precise fit within the cylinder block. The overall length of 0.6730 inches supports proper bearing coverage along the connecting rod journal. The standard shaft diameter range between 1.8892 and 1.8898 inches accommodates the crankshaft journal dimensions typical of the specified Geo and Toyota models. Wall thickness of 0.0586 inches provides the necessary clearance and durability for engine longevity.

Applications and Problem Resolution

This Sealed Power bearing set is used primarily in the engine connecting rod assembly to reduce friction and wear between the connecting rod and crankshaft. It addresses several common engine issues:

• Excessive bearing wear causing knocking noises
• Reduced oil clearance leading to overheating
• Engine vibration due to improper bearing fit
• Premature bearing failure from material fatigue
• Restoration of factory-specified clearances for engine rebuilds

Installation Notes and Tips

When installing the 4-4820A connecting rod bearing set, ensure the following:

• Clean all mating surfaces thoroughly to remove debris and old lubricant
• Verify housing bore and shaft dimensions match the bearing specifications
• Apply assembly lubricant to the bearing surface before installation
• Torque connecting rod bolts to manufacturer specifications
• Inspect for proper oil clearance using plastigage or equivalent method

Quality Assurance and Warranty

Sealed Power manufactures the 4-4820A bearing set to meet industry standards for durability and precision. Each set undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Sealed Power products typically include coverage against manufacturing defects. Consult product documentation for exact warranty terms.