Sealed Power 4281M main bearing set for the 1977-1978 Buick LeSabre V8 6.6L, the 1977-1980 LeSabre V8 5.7L, the 1981-1990 LeSabre V8 5.0L and other vehicles supports the crankshaft as it turns. The Sealed Power main bearings in this set are sold for O.E. replacement.
- A-Series aluminum bearing material
- Exacting tolerances from state-of-the-art manufacturing
- Main set for V8 engines
Quick facts
- Part: Sealed Power 4281M main bearing set
- Also called: crankshaft main bearings
- Fits: 1977-1978 Buick LeSabre V8 6.6L, the 1977-1980 LeSabre V8 5.7L, the 1981-1990 LeSabre V8 5.0L and other vehicles
- Material: A-Series aluminum bearings
- Condition: New
A knock from the lower engine, low oil pressure or metal in the oil can mean worn crankshaft main bearings. Those signs alone do not prove the bearings are at fault, since a weak oil pump can also cause low oil pressure.
Fits
The 1977-1979 Oldsmobile Custom Cruiser V8 6.6L, the 1977-1980 Custom Cruiser V8 5.7L, the 1980-1990 Custom Cruiser V8 5.0L and the 1986-1990 Chevrolet Caprice V8 5.0L all fit this set, and so do many other V8 vehicles. Look up your own car by year and engine in the "Vehicles it fits" section. The fitment lists one set per vehicle.
Specifications
Fit and size
- Engine family: V8
- Quantity per vehicle: 1
- Sizes: Std-1-10-20-30-40
- Set type: Main set
Build and materials
- Material: A-Series aluminum bearings
- Application: O.E. replacement
- Condition: New
- Country of origin: Mexico
Interchange: MS697P · MS805P · BC314J · BC314JSTD · MB5514AM · MB5514MP · MBS586AP · MBS586CP · 1281K · MS2805P · VP91261 · VPM91261
This part cross-references / interchanges with the following part numbers:
MS697P, MS805P, BC314J, BC314JSTD, MB5514AM, MB5514MP, MBS586AP, MBS586CP, 1281K, MS2805P, VP91261, VPM91261
Frequently Asked Questions
Will the Sealed Power 4281M fit a 1986-1990 Chevrolet Caprice V8 5.0L?
Yes. Sealed Power 4281M fits the 1986-1990 Chevrolet Caprice V8 5.0L. Other cars are listed in the "Vehicles it fits" section.
Does the Sealed Power main bearing set come in different sizes?
Yes. Sealed Power 4281M is listed in Std-1-10-20-30-40 sizes.
Are these main bearings made of aluminum?
Yes. The material is A-Series aluminum bearings.
Is this main bearing set only for V8 engines?
Yes. It is a V8 main set, and the fitment covers V8 4.3L, 5.0L, 5.4L, 5.7L and 6.6L engines.
Does Sealed Power 4281M replace MS697P?
Yes. MS697P is one of the interchange numbers for Sealed Power 4281M, along with MS805P and BC314J.
