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Sealed Power 7388MA Engine Crankshaft Main Bearing SetOE Quality 60-Day Returns
Part #: 7388MA

Sealed Power 7388MA Engine Crankshaft Main Bearing Set

⚙️ 49 vehicles fit this part
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🚗Fitment: Chevrolet and GMC, Silverado 2500 HD Classic, Silverado 3500 Classic, Sierra 2500 HD Classic, Sierra 3500 Classic, Avalanche 2500, Silverado 2500 HD, Silverado 3500, Suburban 2500, Sierra 2500 HD, Sierra 3500, Yukon XL 2500, Express 3500, and Savana 3500
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Overview of Sealed Power 7388MA Main Bearing Set

The Sealed Power 7388MA engine crankshaft main bearing set is designed for reliable performance in heavy-duty Chevrolet and GMC trucks. Engineered with A-series aluminum, this standard size full set supports optimal crankshaft function in models like the Silverado 2500 HD and Sierra 3500 Classic.

  • Full set of engine crankshaft main bearings
  • Constructed from durable A-series aluminum material
  • Standard size bearings for precise fitment
  • Compatible with Chevrolet and GMC heavy-duty trucks
  • Part number 7388MA for accurate identification

Product Details and Material Specifications

This Sealed Power main bearing set (part number 7388MA) features A-series aluminum, a material known for its strength and wear resistance under high engine loads. The standard size bearings ensure proper clearance and alignment with the crankshaft, critical for maintaining engine durability and smooth operation. This full set is intended for use in Chevrolet Avalanche 2500, GMC Sierra 2500 HD Classic, and other compatible models, providing consistent performance in demanding conditions.

Compatible Vehicles and Applications

This engine crankshaft main bearing set is compatible with the following Chevrolet and GMC models:

  • Chevrolet Avalanche 2500
  • Chevrolet Silverado 2500 HD and 3500 Classic
  • Chevrolet Suburban 2500
  • GMC Sierra 2500 HD, 2500 HD Classic, 3500, and 3500 Classic
  • GMC Savana 3500 and Yukon XL 2500
  • GMC Express 3500

Common Issues Addressed by This Bearing Set

  • Excessive crankshaft end play or movement
  • Engine knocking due to worn main bearings
  • Oil pressure loss related to bearing clearance
  • Premature bearing wear from improper material
  • Engine overheating caused by bearing friction

Installation Notes and Recommendations

When installing the Sealed Power 7388MA main bearing set, ensure the crankshaft journals are clean and free of debris. Verify bearing clearances with proper measuring tools to maintain manufacturer specifications. Use assembly lubricant during installation to prevent initial wear. It is recommended to replace all main bearings as a set to maintain uniform wear and engine balance.

Quality Assurance and Warranty

Sealed Power provides this engine crankshaft main bearing set with quality standards that meet OEM requirements. The use of A-series aluminum material ensures durability and resistance to wear. While specific warranty details are not provided here, Sealed Power products typically come with a limited warranty covering manufacturing defects. Consult product documentation for exact warranty terms.

BrandSealed Power
Part Number7388MA
Package AlertFull set
Part MaterialA-Series aluminum
Standard SizeStandard

This part fits 49 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007ChevroletSilverado 2500 HD Classic8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2007ChevroletSilverado 3500 Classic8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2007GMCSierra 2500 HD Classic8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2007GMCSierra 3500 Classic8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2006ChevroletAvalanche 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2006ChevroletSilverado 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2006ChevroletSilverado 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2006ChevroletSuburban 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2006GMCSierra 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2006GMCSierra 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2006GMCYukon XL 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2005ChevroletAvalanche 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2005ChevroletSilverado 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2005ChevroletSilverado 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2005ChevroletSuburban 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2005GMCSierra 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2005GMCSierra 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2005GMCYukon XL 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2004ChevroletAvalanche 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2004ChevroletSilverado 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2004ChevroletSilverado 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2004ChevroletSuburban 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2004GMCSierra 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2004GMCSierra 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2004GMCYukon XL 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2003ChevroletAvalanche 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2003ChevroletSilverado 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2003ChevroletSilverado 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2003ChevroletSuburban 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2003GMCSierra 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2003GMCSierra 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2003GMCYukon XL 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2002ChevroletAvalanche 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2002ChevroletExpress 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2002ChevroletSilverado 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2002ChevroletSilverado 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2002ChevroletSuburban 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2002GMCSavana 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2002GMCSierra 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2002GMCSierra 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2002GMCYukon XL 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001ChevroletExpress 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001ChevroletSilverado 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001ChevroletSilverado 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001ChevroletSuburban 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001GMCSavana 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001GMCSierra 2500 HD8.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001GMCSierra 35008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.
2001GMCYukon XL 25008.1LV8N/AFits standard size engine connecting rod bearings for A-Series aluminum engines.

* 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:

89017285MB5682SIMS2235ALMS2327A

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

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