Sealed Power 4-1025PA Engine Connecting Rod Bearing Set

Overview of Sealed Power Engine Connecting Rod Bearing Set 4-1025PA

The Sealed Power Engine Connecting Rod Bearing Set 4-1025PA is designed for reliable performance in select Chevrolet, Geo, and Toyota vehicles. This bearing set supports engine durability by maintaining precise oil clearance and housing bore dimensions critical for smooth engine operation.

• Compatible with Chevrolet Nova and Prizm models
• Fits Toyota Celica, Corolla, MR2, and Tercel vehicles
• Housing bore max diameter: 1.6939 inches (43.0250 mm)
• Oil clearance range: 0.0005 to 0.0031 inches (0.0130 to 0.0790 mm)
• Overall length max: 0.6730 inches (17.0900 mm)
• Wall thickness max: 0.0587 inches (1.4910 mm)

Technical Specifications and Performance Details

This engine connecting rod bearing set features precise housing bore dimensions, with a maximum diameter of 1.6939 inches and a minimum of 1.6931 inches, ensuring a tight fit within the engine block. The oil clearance is carefully controlled between 0.0005 and 0.0031 inches, which is essential for maintaining proper lubrication and reducing friction between the connecting rod and crankshaft. The overall length of the bearing is 0.6730 inches, and the wall thickness reaches up to 0.0587 inches, providing structural integrity under engine stress.

Compatible Vehicles and Applications

This Sealed Power bearing set 4-1025PA is compatible with a range of vehicles, including Chevrolet Nova and Prizm, as well as Toyota Celica, Corolla, MR2, and Tercel models. It is specifically engineered to meet the dimensional and performance requirements of these engines, making it suitable for engine rebuilds or repairs where original equipment specifications must be maintained.

Common Engine Issues Addressed

• Excessive bearing wear causing engine knocking
• Improper oil clearance leading to lubrication failure
• Connecting rod bearing damage from overheating or contamination
• Reduced engine performance due to bearing misfit
• Vibration and noise from worn or damaged bearings

Installation Notes and Tips

Ensure the engine block and crankshaft surfaces are clean and free of debris before installation. Verify housing bore dimensions and oil clearance with precision measuring tools to confirm compatibility. Proper torque specifications should be followed when installing the connecting rod bearing set to avoid distortion or premature wear. It is recommended to replace bearings in matched sets to maintain engine balance and performance.

Quality Assurance and Warranty

Sealed Power manufactures this connecting rod bearing set to meet strict OEM standards for durability and fit. The part number 4-1025PA undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, Sealed Power products typically come with a limited warranty against manufacturing defects, supporting reliability in engine rebuild applications.