Sealed Power 4261M 10 main bearing set for the 1975-1976 Ford F-150 V8 5.9L or 6.4L and other vehicles supports the crankshaft in the engine block. These Sealed Power main bearings suit classic engine rebuilds.
- Sealed Power Vintage line for restoring older classics
- Steel-backed bronze alloy lining with overplate
- Fatigue resistance and strength, with the conformability older applications need
- State-of-the-art manufacturing to exacting tolerances
Quick facts
- Part: Sealed Power 4261M 10 main bearing set
- Also called: crankshaft main bearings
- Fits: the 1975-1976 Ford F-150 V8 5.9L or 6.4L and other vehicles
- Material: Steel backed overplated bronze alloy
- Condition: New
Worn crankshaft main bearings can show up as a deep knock from the lower engine, low oil pressure or an oil pressure warning light. A worn connecting rod bearing, a weak oil pump or a low oil level can be behind those signs too, so find the real cause before you buy bearings.
Fits
This bearing set also fits the 1965-1967 Ford F-250 V8 5.8L, the 1968-1976 F-250 V8 5.9L or 6.4L, the 1967-1969 Ford Mustang V8 6.4L and the 1967-1970 Mustang V8 7.0L. Each engine takes one set, and the set meets or exceeds OEM specifications. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
- Quantity per vehicle: 1 set
- Material: Steel backed overplated bronze alloy
- Product line: Sealed Power Vintage
- Condition: New
- Country of origin: Mexico
Interchange: MB559AM 010 · 5M685P10 · MS685P10 · MS863P10 · MS685HG10 · BC303J010 · MS2685P10
This part cross-references / interchanges with the following part numbers:
5M685P10, MS685P10, MS863P10, MS685HG10, BC303J010, MB559AM 010, MS2685P10
Frequently Asked Questions
Will the Sealed Power 4261M 10 fit a 1967-1969 Ford Mustang V8 6.4L?
Yes. Sealed Power 4261M 10 fits the 1967-1969 Ford Mustang V8 6.4L and the 1967-1970 Mustang V8 7.0L. Open the "Vehicles it fits" section to check other models and engines.
What is the Sealed Power main bearing set lined with?
Sealed Power 4261M 10 has a steel-backed bronze alloy lining with overplate. This construction is popular for fatigue resistance and strength.
What does the Sealed Power Vintage line cover?
Sealed Power Vintage components cover applications over 35 years old. They are made for restoring classics with like-new performance.
What can worn main bearings sound like?
A deep knock from the lower engine, low oil pressure or an oil pressure warning light can go with worn main bearings. A shop can confirm the cause.
Does 5M685P10 interchange with this main bearing set?
Yes. Sealed Power 4261M 10 replaces 5M685P10.
