Sealed Power 4907M Engine Crankshaft Main Bearing Set

Sealed Power 4907M Main Bearing Set

Sealed Power 4907M is an OE replacement engine crankshaft main bearing set for Ford 429 and 460 applications. Built with an overplated copper-lead alloy, it is specified for standard-size service and supports rebuild work on classic Ford, Lincoln, and Mercury V8 engines.

Key Features

• OE replacement engine crankshaft main bearing set
• Overplated copper-lead alloy construction
• Standard-size main set for Ford 429 and 460 engine families
• Application coverage for Ford, Lincoln, and Mercury vehicles
• Sealed Power manufacturing uses ISO and QS certified processes

Product Details

The Sealed Power 4907M main bearing set is built for Ford 429 and 460 engine families and is a direct-fit choice for rebuilds that require standard-size crankshaft main bearings. This part number is commonly searched for Ford F-250, F-350, Mustang, Thunderbird, and related full-size Ford, Lincoln, and Mercury applications where correct main bearing fit is critical to engine assembly. The overplated copper-lead alloy material is selected for durability in demanding engine service, while Sealed Power’s manufacturing standards focus on consistent dimensions and modern production control. This part cross-references 5M1039P and MS1039P for the same application.

Vehicle Fitment

• Fits 1997 Ford F-250 HD, N/A
• Fits 1983-1997 Ford F-350, N/A
• Fits 1973-1979 Ford F-350, N/A
• Fits 1975-1996 Ford E-350 Econoline, N/A
• Fits 1977-1996 Ford E-350 Econoline Club Wagon, N/A
• Fits 1983-1996 Ford F-250, N/A
• Fits 1973-1979 Ford F-250, N/A
• Fits 1975-1991 Ford E-250 Econoline Club Wagon, N/A
• Fits 1975-1980 Ford E-250 Econoline, N/A
• Fits 1979 Ford F-100, N/A
• Fits 1973-1974 Ford F-100, N/A
• Fits 1975-1979 Ford F-150, N/A
• Fits 1978 Ford E-100 Econoline, N/A
• Fits 1969-1978 Ford LTD, N/A
• Fits 1968-1978 Lincoln Continental, N/A
• Fits 1975-1978 Mercury Grand Marquis, N/A
• Fits 1969-1978 Mercury Marquis, N/A
• Fits 1968-1976 Ford Thunderbird, N/A
• Fits 1973-1976 Mercury Cougar, N/A
• Fits 1969-1971 Mercury Cougar, N/A
• Fits 1970-1976 Mercury Montego, N/A
• Fits 1969-1974 Mercury Colony Park, N/A
• Fits 1969-1971 Ford Mustang, N/A
• Fits 1969-1970 Mercury Marauder, N/A

Common Repair Uses

• Crankshaft main bearing wear during engine rebuilds
• Low oil pressure caused by bearing clearance issues
• Engine knock related to worn main bearings
• Restoration work on Ford 429 and 460 V8 engines
• Service replacement for standard-size main bearing applications

Installation Notes

Verify engine family, displacement, and bearing size before assembly. This 4907M set is listed for standard-size service, so crankshaft journal measurements and block condition should be checked during teardown and machining. Clean all oil passages, confirm bearing clearance with proper measuring tools, and follow the engine builder’s torque and lubrication specifications during installation.

Quality Assurance

Sealed Power parts are produced with modern materials and ISO- and QS-certified manufacturing controls to support consistent engine rebuild quality.