Sealed Power 7321MA Engine Crankshaft Main Bearing Set
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Sealed Power

Sealed Power 7321MA Engine Crankshaft Main Bearing Set

Brand Sealed Power 7321MA
Package Alert Full set
Part Material A-series aluminum
Standard Size Standard
Fits Buick, Chevrolet, Oldsmobile, and Pontiac · 32 vehicles

Standard size. Direct-fit main bearing set for a precise engine rebuild.

A-Series aluminum. Engineered with advanced material for dependable bearing performance.

ISO & QS certified manufacturing. Built under certified processes to meet demanding engine standards.

Cross-references MS2056A and MS2056P for the same application. See all 2.

$129.32Free shipping
In stock · usually ships same day before 1pm CST
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Order total $129.32
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Crankshaft Main Bearing Set options

Sealed Power 7321MA Main Bearing Set

Sealed Power 7321MA is a standard-size engine crankshaft main bearing set for A-Series aluminum applications. Built for precise engine support, it is a direct-fit option for select Chevrolet, Pontiac, Oldsmobile, and Buick vehicles that use standard-size main bearings.

Key Features

  • Standard-size engine crankshaft main bearing set
  • Part material: A-Series aluminum
  • Full set configuration
  • Sealed Power engineering with ISO- and QS-certified manufacturing
  • Cross-reference part numbers: MS2056A, MS2056P

Fitment Details

  • Fits 1996-2002 Chevrolet Cavalier, N/A
  • Fits 1996-2002 Pontiac Sunfire, N/A
  • Fits 1999-2001 Oldsmobile Alero, N/A
  • Fits 1996-2001 Pontiac Grand Am, N/A
  • Fits 1997-1999 Chevrolet Malibu, N/A
  • Fits 1996-1998 Buick Skylark, N/A
  • Fits 1996-1998 Oldsmobile Achieva, N/A

Detailed Description

This Sealed Power 7321MA main bearing set is built for standard-size engine service in A-Series aluminum engines. It supports crankshaft operation in applications such as the Chevrolet Cavalier, Pontiac Sunfire, Pontiac Grand Am, and Chevrolet Malibu, along with Buick Skylark, Oldsmobile Alero, and Oldsmobile Achieva fitments. For buyers searching for a standard-size crankshaft main bearing set for 1996-2002 Chevrolet Cavalier or 1996-2002 Pontiac Sunfire engines, this part number provides a direct reference point.

What It Helps Address

  • Crankshaft bearing wear in standard-size engine rebuilds
  • Excessive clearance at the main bearing journals
  • Noise caused by worn engine main bearings
  • Loss of proper crankshaft support during overhaul
  • Replacement needs for A-Series aluminum engine applications

Installation Notes and Tips

Verify engine code, bearing size, and application details before installation. Measure crankshaft journals and housing bores during engine assembly to confirm standard-size fitment. Clean all oil passages and follow the engine manufacturer’s service specifications for bearing clearance, torque values, and lubrication procedures.

Quality Assurance

Sealed Power parts use updated designs, advanced materials, and ISO- and QS-certified manufacturing processes to meet the demands of modern engines.

Related reading

This part fits 32 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2002ChevroletCavalier2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2002PontiacSunfire2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001ChevroletCavalier2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001OldsmobileAlero2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001PontiacGrand Am2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001PontiacSunfire2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2000ChevroletCavalier2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2000OldsmobileAlero2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2000PontiacGrand Am2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2000PontiacSunfire2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1999ChevroletCavalier2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1999ChevroletMalibu2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1999OldsmobileAlero2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1999PontiacGrand Am2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1999PontiacSunfire2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1998BuickSkylark2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1998ChevroletCavalier2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1998ChevroletMalibu2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1998OldsmobileAchieva2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1998PontiacGrand Am2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1998PontiacSunfire2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1997BuickSkylark2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1997ChevroletCavalier2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1997ChevroletMalibu2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1997OldsmobileAchieva2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1997PontiacGrand Am2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1997PontiacSunfire2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1996BuickSkylark2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1996ChevroletCavalier2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1996OldsmobileAchieva2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1996PontiacGrand Am2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
1996PontiacSunfire2.4LL4N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
MS2056AMS2056P