Sealed Power 6685M Engine Crankshaft Main Bearing Set

Brand Sealed Power 6685M
Bearing 1 Position 3 oil holes
Bearing 1 Qty 5
Fits Chevrolet, Geo, Pontiac, and Suzuki · 34 vehicles

Main bearing set. For crankshaft support in the cylinder block.

ISO & QS certified. Manufactured to meet rigorous modern engine demands.

Cross-references 4M8337, 4M9340 and 0146392 for the same application. See all 16.

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Sealed Power 6685M Main Bearing Set

Sealed Power 6685M is an engine crankshaft main bearing set built for precise crank support in compatible small-displacement engines. It is a standard-size bearing solution with a 3 oil hole bearing 1 position and a 5-bearing layout, making it a direct-service option for select Chevrolet Metro, Geo Metro, Pontiac Firefly, Pontiac Sprint, and Suzuki Forsa applications.

Key Features

  • Engine crankshaft main bearing set for service and rebuild work
  • Standard-size fitment for compatible engine applications
  • Bearing 1 position features 3 oil holes for oiling alignment
  • Bearing 1 quantity: 5
  • Sealed Power engineering uses modern materials and ISO/QS-certified manufacturing methods
  • Part number 6685M for easy identification and ordering

Fitment Details

  • Fits 1998-2000 Chevrolet Metro, N/A.
  • Fits 1989-1997 Geo Metro, N/A.
  • Fits 1994-2000 Pontiac Firefly, N/A.
  • Fits 1985-1991 Pontiac Firefly, N/A.
  • Fits 1985-1991 Chevrolet Sprint, N/A.
  • Fits 1985 Suzuki Forsa, N/A.

This part cross-references M655A and MS6685AL for the same application.

What It Helps Address

  • Crankshaft bearing wear during engine rebuilds
  • Low oil clearance issues caused by worn main bearings
  • Engine noise related to bearing deterioration
  • Loss of proper crankshaft support in serviceable engines
  • Restoration work on Chevrolet Metro, Geo Metro, and Pontiac Firefly engines

Installation Notes

Verify crankshaft journal condition, bearing clearance, and oil hole alignment before assembly. Clean all mating surfaces thoroughly and follow the engine builder’s torque and lubrication specifications during installation. Confirm the bearing set matches the engine’s standard-size requirements before final assembly.

Quality Assurance

Sealed Power manufactures parts with advanced materials and ISO- and QS-certified processes to meet the demands of modern engines. The 6685M part number helps ensure accurate application matching for rebuild and maintenance work.

This part fits 34 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2000ChevroletMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
2000PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1999ChevroletMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1999PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1998ChevroletMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1998PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1997GeoMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1997PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1996GeoMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1996PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1995GeoMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1995PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1994GeoMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1994PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1993GeoMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1992GeoMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1991ChevroletSprint1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1991GeoMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1991PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1990ChevroletSprint1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1990GeoMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1990PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1989ChevroletSprint1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1989GeoMetro1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1989PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1988ChevroletSprint1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1988PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1987ChevroletSprint1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1987PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1986ChevroletSprint1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1986PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1985ChevroletSprint1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1985PontiacFirefly1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1985SuzukiForsa1.0LL3Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
Directly replaces or cross-references 16 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
4M83374M93400146392960516349605163596051636960516379605163812300828101234082000BC2403M655AMB454AMMBSZ1MS1708ALMS6685AL