Main Bearing Set for 1977-1996 Ford F-150 & More - Sealed 5078M 1

$99.99

Sealed Power Engine Crankshaft Main Bearing Set 5078M1

Part number: 5078M1

UPC: 724956150922

Condition: New

Weight: 1.50 LBS

Item Package Quantity: 1

$99.99

Current Stock: 49

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Sealed Power Engine Crankshaft Main Bearing Set P/N:5078M 1

$99.99

Description

Sealed 5078M 1 main bearing set for the 1977-1979 Ford F-150 V8 6.6L, the 1977-1996 F-150 V8 5.8L and other vehicles supports the crankshaft as it turns in the engine block. It meets or exceeds OEM specifications.

Steel-backed bronze alloy lining with overplate
Chosen for fatigue resistance and strength, with the conformability that older applications require
Exacting tolerances in manufacturing

Quick facts

Part: Sealed 5078M 1 main bearing set
Also called: crankshaft main bearings
Fits: the 1977-1979 Ford F-150 V8 6.6L, the 1977-1996 F-150 V8 5.8L and other vehicles
Material: steel-backed overplated bronze alloy
Condition: New

A knock from low in the engine or a low oil pressure warning light can mean worn main bearings. Before you replace this set, rule out other causes of those signs, such as a low oil level or a faulty oil pressure sensor. A shop can measure bearing clearance to confirm the wear.

Fits

The set is listed for a wide range of Ford, Lincoln and Mercury models, including the 1977-1982 Ford F-250 V8 6.6L, the 1977-1996 F-250 V8 5.8L, the 1978-1979 Ford Bronco V8 6.6L and the 1978-1996 Bronco V8 5.8L. The 1977-1996 Ford F-150 V8 5.8L takes one set.

Specifications

Fit and size

Quantity per application: 1
Engines: V8-5.8L, V8-6.6L

Build and materials

Type: main bearing set
Material: steel-backed overplated bronze alloy
Condition: New
Country of origin: United States

Interchange: MB5505SI 001
MS1432P1 · BC306J001 · MS3432P1

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

This part cross-references / interchanges with the following part numbers:

MS1432P1, BC306J001, MB5505SI 001, MS3432P1

Buyer's Q&A

Frequently Asked Questions

Is the Sealed 5078M 1 main bearing set right for the 1977-1996 Ford F-150 V8 5.8L?

Yes. Sealed 5078M 1 is listed for the 1977-1996 Ford F-150 V8 5.8L and the 1977-1979 F-150 V8 6.6L. For any other model, look up your own car in the "Vehicles it fits" section.

Do these crankshaft main bearings have a steel backing?

Yes. The Sealed Power 5078M 1 lining is bronze alloy with an overplate on a steel backing, listed as steel backed overplated bronze alloy.

Which engines is this main bearing set listed for?

The fitment covers the V8-5.8L and V8-6.6L engines. Each application takes one set.

Is the bronze alloy lining on this bearing set meant for older engines?

Yes. The steel-backed bronze alloy lining is chosen for fatigue resistance and strength, and it gives the conformability that older applications require.

What can worn main bearings sound or feel like?

A knock from low in the engine or a low oil pressure light can go with worn main bearings, though other causes are possible. Have it checked promptly; a shop can measure bearing clearance.