Engine main bearings are critical components that support the crankshaft, reducing friction and wear. Selecting the correct replacement bearings ensures optimal engine performance, longevity, and fuel efficiency. Investing in high-quality bearings can prevent costly engine damage and maintain the integrity of your vehicle's powertrain.
- Complete Standard Size Main Bearing Set: Includes a full set of five standard-size LS main bearings for complete engine installation, making this kit ideal for Gen III and Gen IV LS rebuilds, stock refreshes, and performance bottom-end assembly using...
- Fits Gen III and Gen IV LS Engines: Designed for 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L LS-based V8 engines, including LS1, LS2, LS3, LS6, LQ4, LQ9, L92, L94, L76, L77, LY6, L96, and other common LS car, truck, SUV, and swap applications.
- SI-Series Performance Design: Engineered for stock and performance LS engines using factory crankshafts, delivering dependable oil control, improved durability, and reliable bearing performance for street builds, rebuilds, and higher-output LS...
- Bi-Metal Silicon Aluminum Construction: Built with a bi-metal silicon aluminum design that provides excellent load capacity, wear resistance, and long service life while supporting proper bearing function in demanding Gen III and Gen IV LS engine...
- THIS IS BRAND NEW: DNJ® Main Bearings Set Standard Size
- FITS: 62-01 Ford, Mercury, Lincoln 4.3L-5.0L V8 OHV, U/K Naturally Aspirated
- FITMENT NOTES: One Set Services Complete Engine
- DNJ Engine Components is a full line provider of Domestic & Japanese engine parts for cars and trucks.
- THIS IS BRAND NEW: DNJ® Main Bearings Set Oversize .010 in. (.25mm)
- FITS: 03-16 Chrysler, Dodge, Jeep, Ram 5.7L-6.4L V8 OHV Naturally Aspirated
- FITMENT NOTES: One Set Services Complete Engine
- DNJ Engine Components is a full line provider of Domestic & Japanese engine parts for cars and trucks.
- THIS IS BRAND NEW: DNJ® Main Bearings Set Standard Size
- FITS: 82-95 Toyota / 4Runner, Pickup, Celica, Corona 2.4L L4 SOHC Naturally Aspirated, Turbocharged 22RE,22R,22REC,22R-TEC
- FITMENT NOTES: One Set Services Complete Engine, From 3/82
- DNJ Engine Components is a full line provider of Domestic & Japanese engine parts for cars and trucks.
- Standard Size Bearings will be sent.
- If you require oversizes, send a message immediately.
- If King is out of stock, we will substitute Clevite A Series or ACL Brand A Series
- Send a message to check current stock of King
- THIS IS BRAND NEW: DNJ® Rod Bearings Set Standard Size
- FITS: 06-17 Dodge 1.8L-2.4L L4 DOHC, SOHC Naturally Aspirated, Turbocharged 4B12,4B11,4J12
- FITMENT NOTES: One Set Services Complete Engine, Direct Injection Engines, Multi-Port Injection Engines
- DNJ Engine Components is a full line provider of Domestic & Japanese engine parts for cars and trucks.
- THIS IS BRAND NEW: DNJ® Main Bearings Set Standard Size
- FITS: 90-11 Ford, Mercury, Mazda, Land Rover 2.9L-4.0L V6 SOHC, OHV Naturally Aspirated
- FITMENT NOTES: One Set Services Complete Engine
- DNJ Engine Components is a full line provider of Domestic & Japanese engine parts for cars and trucks.
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength - provides conformability required for older applications
- Cast; Use w/E-356K, E-356KC or E-356X ring set; For use w/350 crank w/o need to rebalance engine
- Exacting tolerances
- THIS IS BRAND NEW: DNJ® Main bearings Set Standard
- FITS: 2012-2017 Dodge Fiat 500 Dart 1.4L L4 16V SOHC 1368cc
- ENGINE DESIGNATION: EAF, EAB
- DNJ Engine Components is a full line provider of Domestic & Japanese engine parts for cars and trucks.
- THIS IS BRAND NEW: DNJ® Rod Bearings Set Standard Size
- FITS: 81-06 Jeep / Wrangler, Grand Cherokee, Cherokee, Comanche, Wagoneer, J10, CJ7, Grand Wagoneer 4.0L-4.2L L6 OHV Naturally Aspirated
- FITMENT NOTES: One Set Services Complete Engine
- DNJ Engine Components is a full line provider of Domestic & Japanese engine parts for cars and trucks.
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Last update on 2026-10-14 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Engine Main Bearings
Material Composition
Main bearings are typically made from tri-metal (aluminum-tin-copper) or bi-metal (aluminum-tin) alloys. Tri-metal bearings offer superior strength and wear resistance, making them ideal for high-performance or heavy-duty applications. Bi-metal bearings are a good choice for standard street use and offer excellent durability.
Clearance Specifications
Proper bearing clearance is crucial for oil film formation and preventing metal-to-metal contact. Ensure the replacement bearings match the manufacturer's recommended clearance specifications for your specific engine model. Incorrect clearance can lead to premature wear or catastrophic engine failure. Consult your vehicle's service manual for precise measurements.
Brand Reputation and Quality
Opt for reputable brands known for their quality control and manufacturing standards. Established manufacturers often use premium materials and employ advanced engineering techniques to produce reliable engine components. Researching brand reviews and warranty information can help you choose a product that offers long-term performance and peace of mind.
