Top rated automotive replacement engine main bearings

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Top rated automotive replacement engine main bearings

AI-generated summary · updated July 28, 2026 · verify details before purchase.

1 Best overall Sealed Power
Sealed Power 6600A Engine Main Bearing Set

4.6/5 $72.33 Only 6 left

High-quality tri-metal bearings with excellent durability and precise fitment for many GM and Chrysler engines.
- Durable tri-metal construction
- Precise fitment
- Great value for price
- Limited application range
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2 OEM quality ACDelco
ACDelco 12336220 GM Original Equipment Engine Main Bearing Set

4.7/5 $458.85

Factory-spec bearings for GM engines, ensuring perfect compatibility and long service life.
- OEM fit and finish
- Long-lasting
- Trusted brand
- Premium price
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3 Best for performance MAHLE
Mahle 003-2152 Engine Main Bearing Set

4.5/5 $57.95

High-performance tri-metal bearings designed for high-load applications, ideal for racing or heavy use.
- High load capacity
- Improved wear resistance
- Good for performance builds
- Overkill for stock engines
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4 Best durability Clevite 77
Clevite 77 MS-909S Engine Main Bearing Set

4.8/5 $38.39 Only 14 left

Legendary Clevite 77 bearings with special coating for reduced friction and enhanced longevity.
- Excellent durability
- Low friction coating
- Wide application range
- Can be hard to find in stock
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5 Best for racing King Engine Bearings
King Engine Bearings MB5265HP Engine Main Bearing Set

4.4/5 $44.95 Only 17 left

High-performance race bearings with advanced materials for extreme RPM and load conditions.
- Race-proven design
- High RPM capability
- Precision manufacturing
- Expensive
- Not for street use
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6 Best budget pick Federal-Mogul
Federal-Mogul 6608M Engine Main Bearing Set

4.3/5 $98.99 Only 2 left

Affordable AlSn (aluminum-tin) bearings suitable for standard rebuilds with reliable performance.
- Very affordable
- Good for stock rebuilds
- Reliable brand
- Not for high performance
- Limited selection
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7 Best value Sealed Power
Sealed Power 6600 Main Bearing Set

4.5/5 $72.33 Only 6 left

Popular aftermarket bearings balancing cost and quality, perfect for general engine rebuilding.
- Great price-to-quality ratio
- Widely available
- Easy installation
- Basic design
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8 Best for heavy duty Clevite 77
Clevite 77 MS-909SX Engine Main Bearing Set

4.7/5 $94.19

Extra-clearance version of the Clevite 77 for high-mileage or performance engines requiring more oil clearance.
- Extra clearance for custom builds
- Same Clevite durability
- Good for worn blocks
- Slightly higher cost
- Requires proper clearance check
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Buying advice

When selecting engine main bearings, prioritize matching the bearing material to your engine's intended use: tri-metal for high performance, aluminum alloy for budget builds. Always verify application fitment with your engine's year, make, and model. Check oil clearance and ensure proper installation for longevity.

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Top rated automotive replacement engine main bearings

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