Sealed Power 6631M Engine Crankshaft Main Bearing Set

Sealed Power 6631M Crankshaft Main Bearing Set

Sealed Power 6631M is a standard-size engine crankshaft main bearing set built with steel-backed overplated bronze alloy for dependable bearing support in service applications. It is a direct-fit choice for select Isuzu Pickup, Amigo, Impulse, and Trooper engines that require standard-size main bearings.

Key Features

• Standard-size crankshaft main bearing set for engine rebuild and repair work
• Steel-backed overplated bronze alloy construction for bearing strength and wear resistance
• Fits standard-size applications without oversize machining requirements
• Sealed Power engineering and ISO/QS-certified manufacturing processes
• Part number 6631M for accurate ordering and catalog lookup

Application Details

Compatible with select Isuzu engine applications, including Fits 1986-1995 Isuzu Pickup, N/A; Fits 1989-1993 Isuzu Amigo, N/A; Fits 1985-1989 Isuzu Impulse, N/A; and Fits 1986-1987 Isuzu Trooper, N/A. This makes Sealed Power 6631M a practical option when searching for an Isuzu Pickup crankshaft main bearing set, an Isuzu Amigo engine bearing replacement, or an Isuzu Trooper standard-size main bearing set.

This part cross-references 5M1882 and MS6631AL for the same application.

What It Helps Address

• Excessive crankshaft bearing clearance
• Low oil pressure caused by worn main bearings
• Engine knock or rumble from bearing wear
• Scoring or fatigue on existing crankshaft main bearings
• Standard-size rebuild needs after inspection and measurement

Installation Notes and Tips

Verify crankshaft journal size and bearing clearance before installation. Clean all oil passages, inspect the crankshaft for scoring or taper, and follow the engine builder’s torque and lubrication specifications during assembly. Confirm the bearing set matches the engine’s standard-size requirements before final installation.

Quality Assurance

Sealed Power uses modern materials and controlled manufacturing processes to produce engine components that meet demanding service requirements. The 6631M bearing set is built to support consistent fit and dependable engine rebuild results.