Sealed Power 7148M Engine Crankshaft Main Bearing Set

Overview of Sealed Power 7148M Engine Crankshaft Main Bearing Set

The Sealed Power 7148M engine crankshaft main bearing set is designed for reliable performance in Toyota 4Runner, Celica, Corona, and Pickup models. This standard size bearing set features a steel backed overplated bronze alloy construction, providing durability and consistent engine operation.

• Full set package for complete main bearing replacement
• Constructed from steel backed overplated bronze alloy for strength and wear resistance
• Standard size bearings engineered to meet OEM specifications
• Compatible with Toyota 4Runner, Celica, Corona, and Pickup vehicles
• Part number 7148M for precise identification and fitment

Technical Details and Material Composition

The 7148M main bearing set utilizes a steel backed overplated bronze alloy material, which offers a balance of toughness and low friction properties essential for crankshaft support. The steel backing provides structural integrity, while the bronze alloy overlay ensures smooth rotation and reduces wear on the crankshaft journals. These bearings are manufactured to standard size dimensions, ensuring proper clearance and fit within the engine block of compatible Toyota models.

Compatible Toyota Models and Applications

This engine crankshaft main bearing set is compatible with several Toyota vehicles, including the 4Runner, Celica, Corona, and Pickup. It is intended for use in engine rebuilds or repairs where the main bearings require replacement due to wear or damage. Using the correct part number 7148M ensures proper fitment and engine performance.

• Addresses crankshaft bearing wear and scoring
• Resolves engine knocking related to main bearing failure
• Prevents excessive crankshaft end play and vibration
• Restores proper oil clearance for crankshaft journals
• Supports engine rebuilds requiring main bearing replacement

Installation Notes and Recommendations

When installing the Sealed Power 7148M main bearing set, ensure the engine block and crankshaft journals are thoroughly cleaned and inspected for damage. Verify bearing clearances with plastigage or a micrometer to confirm standard size fitment. Proper lubrication of the bearings during assembly is critical to prevent initial wear. Follow manufacturer torque specifications for main bearing caps to maintain engine integrity.

Quality Assurance and Warranty Information

Sealed Power manufactures the 7148M main bearing set to meet industry standards for durability and performance. The steel backed overplated bronze alloy construction undergoes quality control inspections to ensure consistent material properties and dimensional accuracy. This product is backed by Sealed Power's warranty against manufacturing defects, providing confidence in its reliability for Toyota 4Runner, Celica, Corona, and Pickup engine applications.