Sealed Power 4923MA Engine Crankshaft Main Bearing Set

Overview of Sealed Power 4923MA Main Bearing Set

The Sealed Power 4923MA engine crankshaft main bearing set is designed as an OE replacement for Chrysler small block engines with 318 and 340 cubic inch displacement. This main set is compatible with Dodge models including the Challenger, Charger, Dart, Lancer, and Monaco from 1957 to 1973, excluding trucks.

• OE replacement main bearing set for Chrysler small block engines
• Compatible with Dodge Challenger, Charger, Dart, Lancer, and Monaco (1957-73)
• Available in standard and multiple undersize options (Std-1-10-20-30-40-50-60)
• Constructed from durable A-series aluminum bearing material
• Part number 4923MA ensures precise fit and performance

Product Details and Specifications

The 4923MA main bearing set from Sealed Power is engineered specifically for Chrysler small block engines with 318 and 340 cubic inch displacement. Manufactured using A-series aluminum bearings, this set provides reliable wear resistance and durability under typical engine operating conditions. The set includes a range of sizes from standard to various undersizes, allowing for precise fitment during engine rebuilds or repairs. This main set is intended for use in Dodge vehicles such as the Challenger, Charger, Dart, Lancer, and Monaco produced between 1957 and 1973, excluding truck models.

Applications and Problem Solving

• Replaces worn or damaged main bearings in Chrysler 318 and 340 small block engines
• Addresses engine knocking or excessive crankshaft end play
• Restores proper oil clearance for improved engine longevity
• Corrects bearing wear caused by contamination or insufficient lubrication
• Supports engine rebuilds requiring precise bearing sizing

Installation Notes and Tips

When installing the Sealed Power 4923MA main bearing set, ensure the crankshaft journals are properly measured to select the correct bearing size from the available standard and undersize options. Clean all bearing surfaces and lubricate bearings with assembly lube before installation. Follow manufacturer torque specifications for main bearing caps and verify crankshaft end play after assembly. Proper installation is critical to avoid premature bearing failure and maintain engine performance.

Quality Assurance and Warranty

Sealed Power manufactures the 4923MA main bearing set to meet or exceed OEM specifications for Chrysler small block engines. The use of A-series aluminum bearing material ensures consistent durability and performance. While specific warranty details should be confirmed at the point of purchase, Sealed Power products typically come with a limited warranty against manufacturing defects, providing confidence in product reliability.