Homeβ€Ί Engine > Cylinder Block Componentsβ€Ί Sealed Power 7421M Engine Crankshaft Main Bearing Set
Part #: 7421M

Sealed Power 7421M Engine Crankshaft Main Bearing Set

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πŸš—Fitment: Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Saab, and Saturn, 9-3, 9-3X, 9-5, Alero, Allure, Aura, Captiva Sport, Cavalier, Classic, Cobalt, Equinox, G5, G6, Grand Am, HHR, Impala, Ion, L100, L200, L300, LaCrosse, LW200, Malibu, Pursuit, Regal, Sky, Solstice, Sunfire, Terrain, Verano, and Vue
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Overview of Sealed Power Engine Crankshaft Main Bearing Set 7421M

The Sealed Power 7421M engine crankshaft main bearing set is designed for reliable performance in a range of GM and Saab vehicles. Engineered with steel backed overplated bronze alloy, this standard size full set provides durable support for crankshaft operation in models like the Chevrolet Malibu, Buick LaCrosse, and Saab 9-3.

  • Full set of main bearings for complete crankshaft support
  • Constructed from steel backed overplated bronze alloy for strength and wear resistance
  • Standard size bearings ensuring precise fitment and performance
  • Compatible with multiple makes including Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Saab, and Saturn
  • Part number 7421M for accurate identification and replacement

Detailed Product Description

The Sealed Power 7421M main bearing set is manufactured using a steel backed overplated bronze alloy, providing a balance of durability and smooth operation. This material combination helps reduce friction and wear on the crankshaft journals, contributing to engine longevity. The bearings are standard size, ensuring they meet OEM specifications for proper clearance and fit. This set is intended for use in various GM and Saab vehicles, including the Chevrolet Impala, Pontiac G6, Buick Regal, and Saab 9-5, among others. The full set package allows for comprehensive crankshaft bearing replacement during engine rebuilds or repairs.

Compatible Vehicles and Applications

  • Buick LaCrosse, Regal, Verano
  • Chevrolet Malibu, Impala, Cobalt, Equinox
  • GMC Terrain
  • Oldsmobile Alero, Aurora
  • Pontiac G6, Grand Am, Sunfire, Solstice
  • Saab 9-3, 9-3X, 9-5
  • Saturn Aura, Vue

Common Issues Addressed by This Bearing Set

  • Excessive crankshaft end play or movement
  • Engine knocking caused by worn main bearings
  • Oil pressure loss due to bearing clearance wear
  • Metal-to-metal contact leading to crankshaft damage
  • Noise and vibration from bearing failure

Installation Notes and Tips

Ensure the crankshaft journals are clean and free of debris before installation. Verify bearing clearances with plastigage or a micrometer to confirm proper fit. Replace all bearings in the set to maintain uniform wear and performance. Follow manufacturer torque specifications for main bearing caps to avoid distortion or premature wear.

Quality Assurance and Warranty

Sealed Power manufactures this main bearing set to meet or exceed OEM standards for durability and performance. The steel backed overplated bronze alloy construction is tested for wear resistance and dimensional accuracy. While specific warranty details are not provided, Sealed Power products typically come with a limited warranty against manufacturing defects.

BrandSealed Power
Part Number7421M
Package AlertFull set
Part MaterialSteel backed overplated bronze alloy
Standard SizeStandard

This part fits 162 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017BuickRegal2.4LL4N/A
2017BuickVerano2.4LL4N/A
2017ChevroletEquinox2.4LL4N/A
2017GMCTerrain2.4LL4N/A
2016BuickLaCrosse2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2016BuickRegal2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2016BuickVerano2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2016ChevroletEquinox2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2016GMCTerrain2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2015BuickLaCrosse2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2015BuickRegal2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2015BuickVerano2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2015ChevroletCaptiva Sport2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2015ChevroletEquinox2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2015GMCTerrain2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2014BuickLaCrosse2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2014BuickRegal2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2014BuickVerano2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2014ChevroletCaptiva Sport2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2014ChevroletEquinox2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2014ChevroletImpala2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2014ChevroletMalibu2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2014GMCTerrain2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2013BuickLaCrosse2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2013BuickRegal2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2013BuickVerano2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2013ChevroletCaptiva Sport2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2013ChevroletEquinox2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2013ChevroletMalibu2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2013GMCTerrain2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2012BuickLaCrosse2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2012BuickRegal2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2012BuickVerano2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2012ChevroletCaptiva Sport2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2012ChevroletEquinox2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2012ChevroletMalibu2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2012GMCTerrain2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2011BuickLaCrosse2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2011BuickRegal2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2011BuickRegal2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2011ChevroletEquinox2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2011ChevroletHHR2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2011ChevroletHHR2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2011ChevroletMalibu2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2011GMCTerrain2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2011Saab9-32.0LL4N/A
2011Saab9-3X2.0LL4N/A
2011Saab9-52.0LL4N/A
2010BuickAllure2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010BuickLaCrosse2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010ChevroletCobalt2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010ChevroletCobalt2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010ChevroletEquinox2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010ChevroletHHR2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010ChevroletHHR2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010ChevroletHHR2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010ChevroletMalibu2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010GMCTerrain2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010PontiacG52.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010PontiacG62.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010Saab9-32.0LL4N/A
2010Saab9-3X2.0LL4N/A
2010SaturnSky2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010SaturnSky2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2010SaturnVue2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009ChevroletCobalt2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009ChevroletCobalt2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009ChevroletHHR2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009ChevroletHHR2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009ChevroletHHR2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009ChevroletMalibu2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009PontiacG52.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009PontiacG62.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009PontiacSolstice2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009PontiacSolstice2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009SaturnAura2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009SaturnSky2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009SaturnSky2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2009SaturnVue2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008ChevroletCobalt2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008ChevroletCobalt2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008ChevroletCobalt2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008ChevroletHHR2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008ChevroletHHR2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008ChevroletHHR2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008ChevroletMalibu2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008ChevroletMalibu2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008PontiacG52.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008PontiacG52.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008PontiacG62.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008PontiacSolstice2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008PontiacSolstice2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008SaturnAura2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008SaturnSky2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008SaturnSky2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2008SaturnVue2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007ChevroletCobalt2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007ChevroletCobalt2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007ChevroletCobalt2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007ChevroletHHR2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007ChevroletHHR2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007ChevroletMalibu2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007PontiacG52.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007PontiacG52.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007PontiacG62.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007PontiacSolstice2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007PontiacSolstice2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007SaturnAura2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007SaturnIon2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007SaturnIon2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007SaturnSky2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007SaturnSky2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007SaturnVue2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2007SaturnVue2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006ChevroletCobalt2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006ChevroletCobalt2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006ChevroletCobalt2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006ChevroletHHR2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006ChevroletHHR2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006ChevroletMalibu2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006PontiacG62.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006PontiacPursuit2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006PontiacPursuit2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006PontiacSolstice2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006SaturnIon2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006SaturnIon2.4LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2006SaturnVue2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2005ChevroletCavalier2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2005ChevroletClassic2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2005ChevroletCobalt2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2005ChevroletCobalt2.0LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2005ChevroletMalibu2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2005PontiacGrand Am2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2005PontiacPursuit2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2005PontiacSunfire2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2005SaturnIon2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2005SaturnVue2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2004ChevroletCavalier2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2004ChevroletClassic2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2004ChevroletMalibu2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2004OldsmobileAlero2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2004PontiacGrand Am2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2004PontiacSunfire2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2004SaturnIon2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2004SaturnL3002.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2004SaturnVue2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2003ChevroletCavalier2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2003OldsmobileAlero2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2003PontiacGrand Am2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2003PontiacSunfire2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2003SaturnIon2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2003SaturnL2002.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2003SaturnLW2002.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2003SaturnVue2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2002ChevroletCavalier2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2002OldsmobileAlero2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2002PontiacGrand Am2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2002PontiacSunfire2.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2002SaturnL1002.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2002SaturnL2002.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2002SaturnLW2002.2LL4N/AStandard size Engine Connecting Rod Bearing Set suitable for various engine models.
2002SaturnVue2.2LL4N/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:

12591092BC096JBC108JMB5413SIMS2232AMS2232AL

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