Main Bearings
Genuine Main Bearings for Diesel Engines by Onan, Cummins & Fleetguard
Maintain peak engine performance with our premium Main Bearings, specially designed for Onan, Cummins, and Fleetguard diesel engines. These essential components ensure smooth crankshaft rotation and reduce friction, directly impacting your engine's reliability and longevity.
Main Bearings for Diesel Engines – Authentic, Durable, and Reliable
Our genuine Main Bearings are manufactured to exact specifications, providing superior wear resistance and optimal load distribution. Whether you need standard main bearings, precision-fit variants, or high-performance replacements, our inventory guarantees compatibility and lasting durability for your power engines.
- Authentic Parts: Certified genuine Onan, Cummins, and Fleetguard components to ensure quality and fit.
- Enhanced Durability: Engineered with high-grade materials to withstand heavy-duty engine operation.
- Optimal Engine Efficiency: Designed to reduce friction and wear, maximizing your diesel engine's performance.
Why Choose Our Main Bearings?
Trust our genuine Main Bearings for unmatched quality, expert support, and seamless compatibility, ensuring your diesel engines operate efficiently and reliably every time.
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CUMMINS 5406111 MAIN BEARING KIT Original OEM part
CUMMINS
$1,717.05$1,568.53Engineered for Precision and Endurance Ensures smooth crankshaft rotation for optimal engine operation Designed to reduce wear and improve fuel efficiency Certified OEM Cummins part guaranteeing...$1,717.05$1,568.53 -
CUMMINS 5406110 MAIN BEARING KIT Original OEM part
CUMMINS
$685.18$625.91Precision engineered for ultimate engine protection and performance. Durable construction to withstand demanding operational conditions. Guaranteed genuine OEM from Cummins for full compatibility...$685.18$625.91 -
CUMMINS 5405773 MAIN BEARING KIT Original OEM part
CUMMINS
$698.75$638.31Cummins 5405773 - MAIN BEARING KIT MINS5405773 Discover the precision and reliability of the Cummins 5405773 - MAIN BEARING KIT, essential for maintaining peak performance of your outdoor equipment...$698.75$638.31 -
CUMMINS 5299074 MAIN BEARING REPLACER Original OEM part
CUMMINS
$1,577.76$1,441.28Cummins 5299074 - MAIN BEARING REPLACER MINS5299074 Find the perfect replacement for your equipment with the 5299074 - MAIN BEARING REPLACER from Cummins. Our store offers authentic parts like the...$1,577.76$1,441.28 -
CUMMINS 4955867 .030 MAIN BEARING Original OEM part
CUMMINS
$245.38$224.16Precision crafted for uncompromising engine stability Engineered to withstand rigorous operating conditions and extend service life Original Equipment Manufacturer (OEM) guaranteed for compatibility...$245.38$224.16 -
CUMMINS 4955866 .030 MAIN BEARING Original OEM part
CUMMINS
$154.53$141.16Engineered for excellence and built to endure. Precision-crafted bearing surfaces to reduce friction and wear. Enhances engine stability and longevity under demanding conditions. Certified genuine...$154.53$141.16 -
CUMMINS 4955865 .020 MAIN BEARING Original OEM part
CUMMINS
$172.06$157.18Engineered for Excellence: Precision-crafted to meet Cummins' rigorous standards. Durability That Lasts: Withstands high stress for extended engine life. Optimal Engine Performance: Maintains...$172.06$157.18 -
CUMMINS 4955864 .010 MAIN BEARING Original OEM part
CUMMINS
$210.60$192.39Experience unyielding strength designed to keep your Cummins engine running at its best Precision-crafted main bearing for superior load handling and extended engine life Manufactured exclusively by...$210.60$192.39 -
CUMMINS 4955863 MAIN BEARING KIT Original OEM part
CUMMINS
$1,461.27$1,334.87Precision engineered for enduring reliability and seamless engine operation. Exceptional wear resistance to maintain optimal crankshaft alignment and performance. 100% Genuine OEM Cummins component...$1,461.27$1,334.87 -
CUMMINS 4955862 .030 MAIN BEARING SET Original OEM part
CUMMINS
$1,444.24$1,319.31Unmatched reliability engineered for Cummins power Precision-crafted main bearing set for maximum engine longevity Essential for reducing wear and maintaining optimal powertrain efficiency 100%...$1,444.24$1,319.31 -
CUMMINS 4955861 .020 MAIN BEARING SET Original OEM part
CUMMINS
$1,364.57$1,246.54Cummins 4955861 - .020 MAIN BEARING SET MINS4955861 Discover top-quality maintenance solutions with the Cummins 4955861 - .020 Main Bearing Set. Keep your outdoor equipment performing at its peak...$1,364.57$1,246.54 -
CUMMINS 4955860 .010 MAIN BEARING SET Original OEM part
CUMMINS
$1,502.04$1,372.11Experience unmatched engine longevity with the precision-crafted CUMMINS 4955860 MAIN BEARING SET Engineered to deliver exceptional load-bearing capacity for smoother, quieter operation Manufactured...$1,502.04$1,372.11 -
CUMMINS 4955859 .040 MAIN BEARING SET Original OEM part
CUMMINS
$847.80$774.47Engineered for Precision and Endurance: Experience unmatched reliability with every turn of your engine. Advanced Material Composition: Crafted to reduce friction and enhance engine efficiency for...$847.80$774.47 -
CUMMINS 4955858 .030 MAIN BEARING SET Original OEM part
CUMMINS
$1,093.80$999.19Precision-engineered durability for long-lasting engine protection Enhanced load capacity to support demanding operational stress 100% Genuine Cummins OEM component assuring flawless compatibility...$1,093.80$999.19 -
CUMMINS 4955857 .020 MAIN BEARING SET Original OEM part
CUMMINS
$1,108.50$1,012.62Precision engineered for dependable engine performance Ensures optimal bearing lubrication and longevity under demanding conditions Manufactured as a genuine OEM part by Cummins for guaranteed...$1,108.50$1,012.62 -
CUMMINS 4955856 .010 MAIN BEARING SET Original OEM part
CUMMINS
$1,049.88$959.07Precision engineered for uncompromising durability and reliability Enhances engine stability and reduces friction for peak performance Manufactured as a genuine OEM Cummins component to guarantee...$1,049.88$959.07 -
CUMMINS 4955855 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$312.05$285.06Engineered for enduring power and uncompromising reliability Precision-crafted main bearings for optimal engine health Designed to maintain engine alignment and reduce wear Certified genuine OEM...$312.05$285.06 -
CUMMINS 4955853 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$347.60$317.54Precision crafted to power your Cummins engine with unmatched reliability. Engineered for optimal load distribution and wear resistance. Provides seamless compatibility for peak engine performance...$347.60$317.54 -
CUMMINS 4955352 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$219.86$200.84Engineered for unmatched durability and precision. Optimizes crankshaft performance and reduces wear. Includes genuine OEM components to guarantee perfect fit and function. Reliability you can trust...$219.86$200.84 -
CUMMINS 4938940 .030 MAIN BEARING Original OEM part
CUMMINS
$100.60$91.90Engineered Precision for Unmatched Reliability Robust construction ensures optimal engine support under demanding conditions Critical role in maintaining smooth crankshaft rotation for lasting...$100.60$91.90 -
CUMMINS 4938939 .030 MAIN BEARING Original OEM part
CUMMINS
$113.26$103.46Engineered for enduring strength and precision fitment Critical component ensuring optimal engine performance under heavy loads Manufactured as a genuine OEM offering for assured...$113.26$103.46 -
CUMMINS 4938938 .020 MAIN BEARING Original OEM part
CUMMINS
$106.88$97.64Cummins 4938938 - .020 MAIN BEARING MINS4938938 Elevate your outdoor equipment's performance with the genuine 4938938 - .020 MAIN BEARING from Cummins, SKU MINS4938938. Our store is your ultimate...$106.88$97.64 -
CUMMINS 4938937 .010 MAIN BEARING Original OEM part
CUMMINS
$106.52$97.30Engineered for precision, built for reliability. Exceptional wear resistance for extended engine life. Optimized lubrication surfaces reduce friction and heat. Guaranteed genuine OEM CUMMINS...$106.52$97.30 -
CUMMINS 4938936 .030 MAIN BEARING Original OEM part
CUMMINS
$133.42$121.88Precision-engineered power protection for your Cummins engine High-strength materials ensuring durability under extreme operating conditions Enhanced engine stability supporting smooth and efficient...$133.42$121.88 -
CUMMINS 4938935 .030 MAIN BEARING Original OEM part
CUMMINS
$135.77$124.03Exceptional durability engineered by Cummins for reliable engine support Precision fit for optimal lubrication and minimal wear under heavy loads Direct OEM part that preserves engine performance...$135.77$124.03 -
CUMMINS 4938934 .020 MAIN BEARING Original OEM part
CUMMINS
$106.46$97.25Precision-engineered durability for your Cummins engine's core Designed to withstand demanding loads and ensure smooth operation Optimizes engine life through OEM-quality materials and...$106.46$97.25 -
CUMMINS 4938933 .025 MAIN BEARING Original OEM part
CUMMINS
$108.54$99.15Precision engineered by Cummins for uncompromising durability Enhances engine longevity by maintaining critical rotating assembly alignment Manufactured to stringent OEM specifications for seamless...$108.54$99.15 -
CUMMINS 4911904 .010 MAIN BEARING SET Original OEM part
CUMMINS
$7,154.53$6,535.66Engineered for Endurance: Precision-crafted to maintain optimal engine health under demanding conditions. Superior Wear Resistance: Advanced metallurgy provides lasting durability to withstand high...$7,154.53$6,535.66 -
CUMMINS 4911903 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$5,752.03$5,254.48Precision engineered for enduring strength and reliability Designed to maintain optimal engine alignment and reduce friction 100% genuine Cummins OEM component for guaranteed compatibility CUMMINS...$5,752.03$5,254.48 -
CUMMINS 4376517 MAIN BEARING KIT Original OEM part
CUMMINS
$7,637.20$6,976.59Cummins 4376517 - MAIN BEARING KIT MINS4376517 When looking for top-quality replacement parts like the 4376517 - MAIN BEARING KIT from Cummins, our store stands out for its commitment to...$7,637.20$6,976.59 -
CUMMINS 4376426 MAIN BEARING KIT Original OEM part
CUMMINS
$347.45$317.40Cummins 4376426 - MAIN BEARING KIT MINS4376426 Looking for high-quality original replacement parts Look no further than our store for the 4376426 - MAIN BEARING KIT by Cummins. With our commitment...$347.45$317.40 -
CUMMINS 4309365 MAIN BEARING KIT Original OEM part
CUMMINS
$766.56$700.25Cummins 4309365 - MAIN BEARING KIT MINS4309365 Find the perfect replacement part with ease at our store with the 4309365 - MAIN BEARING KIT from Cummins. Rest assured that you are purchasing an...$766.56$700.25 -
CUMMINS 4309121 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$82.25$75.14Engineered for Excellence: Delivering unmatched durability and fitment. Precision Performance: Maintains optimal engine alignment for smooth operation. Trusted OEM Quality: Guaranteed genuine...$82.25$75.14 -
CUMMINS 4096907 .010 MAIN BEARING SET Original OEM part
CUMMINS
$1,134.05$1,035.95Cummins 4096907 - .010 MAIN BEARING SET MINS4096907 Find genuine quality with the 4096907 - .010 Main Bearing Set from Cummins. Engineered for precision and durability, this bearing set (SKU:...$1,134.05$1,035.95 -
CUMMINS 4096906 .020 MAIN BEARING SET Original OEM part
CUMMINS
$1,168.32$1,067.26Precision engineered for uncompromising engine health and resilience. Extends engine life by safeguarding crankshaft integrity under extreme conditions. Manufactured exclusively by Cummins,...$1,168.32$1,067.26 -
CUMMINS 4096905 .030 MAIN BEARING SET Original OEM part
CUMMINS
$984.67$899.50Engineered to empower your Cummins engine’s heart with unmatched precision and dependability Exceptional wear resistance for enduring engine protection under the toughest conditions Optimized...$984.67$899.50 -
CUMMINS 4096904 .040 MAIN BEARING SET Original OEM part
CUMMINS
$977.78$893.20Power your engine with uncompromising precision and endurance. Engineered for superior load capacity and smooth rotation. Optimized for long-lasting durability and reduced engine wear. 100% genuine...$977.78$893.20 -
CUMMINS 4095973 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$795.06$726.29Precision engineered for uncompromising durability and seamless engine operation Enhances engine longevity by delivering consistent, low-friction bearing support Maintains Cummins’ rigorous OEM...$795.06$726.29 -
CUMMINS 4089971 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$3,394.94$3,101.28Engineered for enduring excellence and uncompromised reliability. Precision-fit bearings crafted to optimize engine rotation and reduce wear. High-grade materials designed to withstand demanding...$3,394.94$3,101.28 -
CUMMINS 4089938 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$11,777.52$10,758.76Engineered for Excellence: Precision-crafted for seamless integration and enduring performance. Robust Durability: Designed to withstand demanding conditions and maintain engine integrity. Optimized...$11,777.52$10,758.76