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 4089937 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$11,817.92$10,795.67Powering reliability through precision engineering Durable construction designed to withstand rigorous engine demands Optimized fit for seamless integration and long-term performance Certified OEM...$11,817.92$10,795.67 -
CUMMINS 4089072 .030 MAIN BEARING SET Original OEM part
CUMMINS
$7,751.85$7,081.31Precision engineered for unrivaled durability and performance Critical support for engine crankshaft stability and smooth operation 100% Genuine OEM part by Cummins, assuring full compatibility and...$7,751.85$7,081.31 -
CUMMINS 4089071 .020 MAIN BEARING SET Original OEM part
CUMMINS
$10,574.15$9,659.49Precision engineered for enduring performance and seamless compatibility High-grade materials designed to withstand extreme engine loads Critical component for maintaining engine stability and...$10,574.15$9,659.49 -
CUMMINS 4089070 .010 MAIN BEARING SET Original OEM part
CUMMINS
$8,168.46$7,461.89Engineered Perfection for Enduring Power Precision-Fitted Design Ensures Optimal Performance and Longevity Superior Load Handling for Enhanced Engine Stability 100% Genuine OEM Cummins...$8,168.46$7,461.89 -
CUMMINS 4025127 .020 MAIN BEARING SET Original OEM part
CUMMINS
$3,397.10$3,103.26Cummins 4025127 - .020 MAIN BEARING SET MINS4025127 When it comes to quality and precision, our store is the ultimate destination for authentic Cummins 4025127 - .020 MAIN BEARING SET, SKU:...$3,397.10$3,103.26 -
CUMMINS 4025126 .010 MAIN BEARING SET Original OEM part
CUMMINS
$1,959.63$1,790.12Cummins 4025126 - .010 MAIN BEARING SET MINS4025126 Find the perfect fit for your equipment with the 4025126 - .010 Main Bearing Set from Cummins. Engineered to precision, this original replacement...$1,959.63$1,790.12 -
CUMMINS 4025125 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$746.04$681.51Engineered for Excellence: Experience seamless engine performance with precision-crafted components. Durable & Dependable: Designed to withstand demanding operational conditions for long-lasting...$746.04$681.51 -
CUMMINS 4025122 .020 MAIN BEARING SET Original OEM part
CUMMINS
$2,326.49$2,125.25Precision engineered for peak durability and seamless engine operation Optimizes engine longevity by reducing wear and maintaining alignment Genuine Cummins OEM quality ensuring top-tier reliability...$2,326.49$2,125.25 -
CUMMINS 4025121 .010 MAIN BEARING SET Original OEM part
CUMMINS
$2,042.94$1,866.22Precision engineered to power your engine’s heartbeat Exceptional durability designed for demanding Cummins applications Maintains optimal engine alignment and reduces friction loss 100% Genuine OEM...$2,042.94$1,866.22 -
CUMMINS 4025120 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$670.70$612.69Unleash the power of engineered precision for your Cummins engine. Durable construction ensures optimal crankshaft support, reducing wear under critical loads. Designed to deliver smooth performance...$670.70$612.69 -
CUMMINS 4024989 .030 MAIN BEARING Original OEM part
CUMMINS
$577.73$527.75Precision engineered for enduring engine stability Ensures optimal lubrication and reduced wear 100% genuine OEM Cummins component crafted for exact fit CUMMINS 4024989 MAIN BEARING – The Engine’s...$577.73$527.75 -
CUMMINS 4024986 .020 MAIN BEARING Original OEM part
CUMMINS
$921.34$841.64Engineered for precision and endurance in every revolution. Optimized main bearing design reduces friction, protecting your engine's core. Enhances engine reliability and extends operational life...$921.34$841.64 -
CUMMINS 4024985 .010 MAIN BEARING Original OEM part
CUMMINS
$404.87$369.85Precision engineered for enduring strength and seamless fit Enhances engine stability and optimizes performance under demanding conditions Certified genuine Cummins OEM part guaranteeing...$404.87$369.85 -
CUMMINS 4024799 .020 MAIN BEARING SET Original OEM part
CUMMINS
$13,818.83$12,623.50Precision engineered for uncompromising engine resilience and seamless operation High-grade materials provide exceptional wear resistance and extended service life Designed specifically for Cummins...$13,818.83$12,623.50 -
CUMMINS 4024798 .010 MAIN BEARING SET Original OEM part
CUMMINS
$12,601.40$11,511.38Precision engineered for enduring power and reliability Critical main bearing set crafted to exact Cummins standards Optimizes engine longevity and smooth operation under demanding conditions 100%...$12,601.40$11,511.38 -
CUMMINS 4024797 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$7,841.46$7,163.17Precision-engineered for seamless powertrain operation Durability that withstands rigorous engine demands Complete OEM authenticity ensuring perfect fit and function CUMMINS 4024797 MAIN STANDARD...$7,841.46$7,163.17 -
CUMMINS 4024794 .020 MAIN BEARING SET Original OEM part
CUMMINS
$13,592.52$12,416.76Engineered for precision and durability to keep your Cummins engine running smoothly. Enhanced load capacity reduces wear and maximizes engine lifespan. Guaranteed genuine OEM part ensuring perfect...$13,592.52$12,416.76 -
CUMMINS 4024792 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$7,804.34$7,129.26Cummins 4024792 - MAIN STANDARD BEARING SET MINS4024792 Find the 4024792 - Main Standard Bearing Set by Cummins, SKU MINS4024792, at our store for top-quality original replacement parts. With our...$7,804.34$7,129.26 -
CUMMINS 4012599 MAIN STANDARD BEARING Original OEM part
CUMMINS
$2,276.16$2,079.27Precision engineered to uphold Cummins’ legacy of power and reliability Durable construction crafted for long-lasting engine support Designed to reduce friction and enhance performance under...$2,276.16$2,079.27 -
CUMMINS 4012569 MAIN STANDARD BEARING Original OEM part
CUMMINS
$2,381.03$2,175.07Engineered for Excellence, Built for Endurance Precision-crafted to maintain optimal engine alignment and reduce friction. Durable construction enhances wear resistance and extends engine life. 100%...$2,381.03$2,175.07 -
CUMMINS 4012568 MAIN STANDARD BEARING Original OEM part
CUMMINS
$2,311.87$2,111.90Engineered Excellence: Trust Cummins craftsmanship for enduring engine integrity. Premium Durability: Built to withstand extreme operating conditions ensuring long-term reliability. Precision Fit:...$2,311.87$2,111.90 -
CUMMINS 4012201 MAIN STANDARD BEARING Original OEM part
CUMMINS
$527.24$481.63Performance you can rely on, built to endure. Precision-engineered bearing for optimal engine stability. Exceptional durability designed to withstand heavy industrial demands. Verified genuine OEM...$527.24$481.63 -
CUMMINS 4012200 MAIN STANDARD BEARING Original OEM part
CUMMINS
$527.24$481.63Engineered for precision and endurance in your Cummins engine’s core. Delivers smooth rotation and critical support to enhance overall engine performance. Manufactured as a genuine Cummins OEM...$527.24$481.63 -
CUMMINS 3945933 .030 MAIN BEARING Original OEM part
CUMMINS
$324.10$296.07Precision-engineered to uphold Cummins legendary engine performance Designed to reduce friction and wear for extended engine life Manufactured to rigorous OEM standards for perfect...$324.10$296.07 -
CUMMINS 3945932 .020 MAIN BEARING Original OEM part
CUMMINS
$230.88$210.91Precision engineering meets trusted durability High tensile strength ensures dependable crankshaft support Optimized design reduces friction for enhanced engine efficiency 100% genuine OEM part from...$230.88$210.91 -
CUMMINS 3945931 .010 MAIN BEARING Original OEM part
CUMMINS
$71.10$64.95Cummins 3945931 - .010 MAIN BEARING MINS3945931 Our store proudly stocks the genuine "3945931 - .010 MAIN BEARING" by Cummins. With our commitment to quality and authenticity, we ensure that each...$71.10$64.95 -
CUMMINS 3945920 .030 MAIN BEARING SET Original OEM part
CUMMINS
$2,045.66$1,868.71Engineered to Empower Every Revolution Precision-crafted main bearing set for optimal engine stability Superior wear resistance promoting extended engine life 100% genuine OEM Cummins component...$2,045.66$1,868.71 -
CUMMINS 3945919 .020 MAIN BEARING SET Original OEM part
CUMMINS
$1,978.16$1,807.05Precision-engineered durability for uncompromised engine health Enhances crankshaft stability and reduces wear under demanding loads 100% genuine OEM Cummins component ensuring perfect compatibility...$1,978.16$1,807.05 -
CUMMINS 3945918 .010 MAIN BEARING SET Original OEM part
CUMMINS
$759.24$693.56Engineered for enduring strength and precision fit. Crucial for maintaining optimal engine performance and reducing wear. Manufactured as a genuine OEM part, guaranteeing full compatibility and...$759.24$693.56 -
CUMMINS 3945917 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$490.47$448.05Precision Engineered for Enduring Strength Superior Bearing Design for Reduced Friction and Wear Guaranteed OEM Quality from Cummins for Seamless Compatibility CUMMINS 3945917 MAIN STANDARD BEARING...$490.47$448.05 -
CUMMINS 3822495 MAIN BEARING SADDLE REPAIR KIT Original OEM part
CUMMINS
$2,201.84$2,011.38Cummins 3822495 - MAIN BEARING SADDLE REPAIR KIT MINS3822495 Find the original replacement for the 3822495 - MAIN BEARING SADDLE REPAIR KIT, branded by Cummins, at our store. Our store offers this...$2,201.84$2,011.38 -
CUMMINS 3804713 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$5,933.85$5,420.57Engineered excellence for enduring power delivery Precision-fit design for seamless engine integration Durable materials to withstand rigorous engine demands Certified OEM Cummins component for...$5,933.85$5,420.57 -
CUMMINS 3802520 MAIN STANDARD BEARING Original OEM part
CUMMINS
$34.72$31.71Cummins 3802520 - MAIN STANDARD BEARING MINS3802520 Discover the unmatched quality of the Cummins 3802520 - MAIN STANDARD BEARING available at our online store. Crafted with precision and durability...$34.72$31.71 -
CUMMINS 3801262 .020 MAIN BEARING SET Original OEM part
CUMMINS
$614.22$561.09Precision engineered for enduring strength and flawless engine operation. Ensures optimal crankshaft support to maintain balanced engine performance. Durability designed to withstand demanding power...$614.22$561.09 -
CUMMINS 3801261 .010 MAIN BEARING SET Original OEM part
CUMMINS
$611.39$558.51Engineered to Deliver Unmatched Durability and Precision Ensures critical engine component support under demanding conditions Precision manufacturing that promotes long-lasting engine health and...$611.39$558.51 -
CUMMINS 3801260 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$530.90$484.98Engineering excellence delivering precision and durability to your engine’s core. Robust construction designed to withstand intense operational loads. OEM quality guaranteeing compatibility and...$530.90$484.98 -
CUMMINS 3800872 MAIN STANDARD BEARING Original OEM part
CUMMINS
$734.76$671.20Precision engineered for lasting durability and engine protection Essential for maintaining optimal crankshaft performance and smooth operation 100% genuine OEM from Cummins to guarantee perfect fit...$734.76$671.20 -
CUMMINS 3650922 MAIN STANDARD BEARING Original OEM part
CUMMINS
$522.21$477.03Depend on Authenticity: Engineered for precision and reliability to power your Cummins engine seamlessly. Robust Construction: Designed to withstand rigorous engine demands, ensuring stable...$522.21$477.03 -
CUMMINS 3650921 MAIN STANDARD BEARING Original OEM part
CUMMINS
$506.09$462.32Precision engineered for enduring performance in demanding power environments. High durability to maintain optimal engine alignment and reduce wear. Manufactured exclusively as an original equipment...$506.09$462.32 -
CUMMINS 3650920 MAIN STANDARD BEARING Original OEM part
CUMMINS
$342.72$313.07Engineered for Excellence: Precision-crafted to meet Cummins’ exacting standards, guaranteeing optimal engine function and longevity. Durability Under Pressure: Designed to withstand demanding...$342.72$313.07