Sealed Power 4070M Engine Crankshaft Main Bearing Set

Sealed Power 4070M Main Bearing Set

Sealed Power 4070M is a vintage engine crankshaft main bearing set for classic rebuilds that need standard-size fitment and dependable bearing support. It uses a steel-backed overplated bronze alloy construction to help restore proper crankshaft clearance and smooth engine operation in older applications.

Key Features

• Standard size main bearing set for vintage engine rebuilds
• Steel backed overplated bronze alloy for strength and wear resistance
• Built for applications over 35 years old
• Manufactured under ISO and QS certified processes
• Sealed Power 4070M for classic engine restoration work

Detailed Description

Sealed Power Vintage components are made for older engines where correct bearing fit and material quality matter during a rebuild. The 4070M main bearing set is engineered with a steel-backed overplated bronze alloy to support crankshaft rotation and help maintain stable oil clearance in standard-size applications. For restorers working on classic engine rebuilds, this part number 4070M offers a practical replacement choice when original bearings are worn, scored, or out of specification. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

• Crankshaft bearing wear in a rebuilt vintage engine
• Excessive bearing clearance from age or mileage
• Noise caused by worn main bearings
• Oil pressure loss related to bearing wear
• Restoration work on classic engine assemblies

Installation Notes and Tips

Verify crankshaft journal size, housing bore condition, and oil clearance before final assembly. Clean all bearing surfaces thoroughly and follow the engine builder’s torque and lubrication specifications during installation. Compatible With classic engine rebuild applications where Sealed Power 4070M is specified, including vintage make/model searches for Sealed Power 4070M main bearings and standard-size crankshaft main bearing replacement.

Quality Assurance

Sealed Power Vintage components are produced with materials and manufacturing controls intended for older engine applications, including ISO and QS certified production standards. That focus supports consistent fit and long-term service in restoration-grade rebuilds.