HomeEngine > Cylinder Block ComponentsSealed Power 7391M Engine Crankshaft Main Bearing Set
Part #: 7391M

Sealed Power 7391M Engine Crankshaft Main Bearing Set

⚙️ 35 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Tacoma, 4Runner, T100, and Previa
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Overview of Sealed Power 7391M Main Bearing Set

The Sealed Power 7391M engine crankshaft main bearing set is designed for reliable performance in Toyota 4Runner, Previa, T100, and Tacoma models. This full set features steel backed overplated bronze alloy bearings in a standard size, ensuring proper fit and durability for your engine's main bearings.

  • Full set of main bearings for complete engine rebuilds
  • Constructed from steel backed overplated bronze alloy for strength and wear resistance
  • Standard size bearings to match OEM specifications
  • Compatible with Toyota 4Runner, Previa, T100, and Tacoma vehicles
  • Part number 7391M for precise identification and ordering

Detailed Product Description

The Sealed Power 7391M main bearing set is engineered to meet the exacting standards required for Toyota engines. The steel backed overplated bronze alloy material provides a balance of durability and smooth operation, reducing friction and wear on the crankshaft journals. These standard size bearings are manufactured to OEM tolerances, making them suitable for direct replacement in Toyota 4Runner, Previa, T100, and Tacoma models. Using this set helps maintain engine integrity during rebuilds or repairs.

Applications and Common Issues Addressed

  • Replacement during engine rebuilds or overhauls
  • Resolution of crankshaft bearing wear or damage
  • Correction of engine knocking related to main bearing failure
  • Prevention of oil pressure loss caused by worn bearings
  • Addressing excessive crankshaft end play or vibration

Installation Notes and Tips

Ensure the crankshaft journals are clean and free of debris before installation. Verify bearing clearances with proper measuring tools to confirm standard size fitment. Use assembly lubricant during installation to prevent initial wear. Follow Toyota service manual torque specifications for main bearing caps. Proper installation is critical to avoid premature bearing failure.

Quality Assurance and Warranty

Sealed Power manufactures the 7391M main bearing set to meet industry standards for material quality and dimensional accuracy. The steel backed overplated bronze alloy construction is tested for durability and performance. While specific warranty details may vary, Sealed Power products typically come with a limited warranty against manufacturing defects. Consult product documentation for exact warranty terms.

BrandSealed Power
Part Number7391M
Package AlertFull set
Part MaterialSteel backed overplated bronze alloy
Standard SizeStandard

This part fits 35 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004ToyotaTacoma2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2004ToyotaTacoma2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2003ToyotaTacoma2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2003ToyotaTacoma2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2002ToyotaTacoma2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2002ToyotaTacoma2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2001ToyotaTacoma2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2001ToyotaTacoma2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2000Toyota4Runner2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2000ToyotaTacoma2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2000ToyotaTacoma2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1999Toyota4Runner2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1999ToyotaTacoma2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1999ToyotaTacoma2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1998Toyota4Runner2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1998ToyotaT1002.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1998ToyotaTacoma2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1998ToyotaTacoma2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1997Toyota4Runner2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1997ToyotaT1002.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1997ToyotaTacoma2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1997ToyotaTacoma2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1996Toyota4Runner2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1996ToyotaT1002.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1996ToyotaTacoma2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1996ToyotaTacoma2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1995ToyotaPrevia2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1995ToyotaT1002.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1995ToyotaTacoma2.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1995ToyotaTacoma2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1994ToyotaPrevia2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1994ToyotaT1002.7LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1993ToyotaPrevia2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1992ToyotaPrevia2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
1991ToyotaPrevia2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

M703A2MB5089AMMS2212AMS2212AL

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.