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 3019193 .010 MAIN BEARING Original OEM part
CUMMINS
$15.77$14.41Precision durability engineered for dependable power. Critical component ensuring engine longevity and smooth operation. Genuine OEM Cummins part optimized for flawless compatibility. Experience...$15.77$14.41 -
CUMMINS 4089868 .010 MAIN BEARING SET Original OEM part
CUMMINS
$375.95$343.43Engineered for enduring strength and exact fitment—experience unmatched reliability with each component. Maximizes engine smoothness and reduces wear to extend operational life and efficiency...$375.95$343.43 -
CUMMINS 3019192 MAIN STANDARD BEARING Original OEM part
CUMMINS
$16.33$14.92Precision engineered to keep your Cummins engine running smoothly through every challenge Robust durability ensures extended engine life and consistent operation under heavy load Designed...$16.33$14.92 -
CUMMINS 4955521 MAIN BEARING KIT Original OEM part
CUMMINS
$383.10$349.97Cummins 4955521 - MAIN BEARING KIT MINS4955521 Find assurance in purchasing the genuine Cummins 4955521 MAIN BEARING KIT, bearing the SKU MINS4955521, from our store, your ultimate destination for...$383.10$349.97 -
CUMMINS 5290097 STANDARD MAIN BEARING SET Original OEM part
CUMMINS
$48.77$44.55Engineered precision for dependable power delivery Robust construction to enhance engine durability Maintains optimal engine alignment and smooth operation 100% Genuine Cummins OEM component...$48.77$44.55 -
CUMMINS 5572796 MAIN BEARING REPLACER Original OEM part
CUMMINS
$171.32$156.50Precision-engineered for unmatched durability and engine stability Enhances smooth operation and reduces engine wear 100% genuine Cummins OEM component guaranteeing full compatibility Keep Your...$171.32$156.50 -
CUMMINS 4955745 MAIN STANDARD BEARING SET Original OEM part
CUMMINS
$488.70$446.43Built to endure. Engineered to meet rigorous OEM standards, this bearing set guarantees consistent performance under heavy loads. Precision fit for efficiency. Designed specifically for Cummins...$488.70$446.43 -
CUMMINS 3978820 MAIN STANDARD BEARING Original OEM part
CUMMINS
$17.33$15.83Engineered for unmatched durability and precision Enhances engine longevity by maintaining optimal bearing function Critical component designed specifically for Cummins engines 100% genuine OEM part...$17.33$15.83 -
CUMMINS 5633521 MAIN BEARING KIT Original OEM part
CUMMINS
$298.74$272.90Engineered for Excellence: Precision-crafted to uphold Cummins’ renowned power and durability standards. Reliability Under Pressure: Provides critical support to your engine’s crankshaft, ensuring...$298.74$272.90 -
CUMMINS 3093199 020 MAIN BEARING Original OEM part
CUMMINS
$665.29$607.75Precision engineered for enduring strength and reliability in your Cummins engine Offers exceptional wear resistance to maintain engine smoothness under high stress Maintains exact OEM...$665.29$607.75 -
CUMMINS 2896806 MAIN BEARING Original OEM part
CUMMINS
$692.40$632.51Precision engineered for uncompromising reliability and endurance. Maintains optimal crankshaft alignment for smooth engine operation. Enhances engine longevity by reducing wear and friction under...$692.40$632.51 -
CUMMINS 2896805 MAIN BEARING Original OEM part
CUMMINS
$1,241.99$1,134.56Engineered Excellence for Unmatched Powertrain Precision Robust Durability: Crafted to withstand intense operating conditions and extend engine life. Optimized Performance: Ensures seamless...$1,241.99$1,134.56 -
CUMMINS 2896804 MAIN BEARING Original OEM part
CUMMINS
$1,264.55$1,155.17Precision engineered for uninterrupted power and enduring strength Robust construction ensures maximum resistance to wear and stress Maintains engine alignment to optimize performance and reduce...$1,264.55$1,155.17 -
CUMMINS 2896803 MAIN BEARING Original OEM part
CUMMINS
$1,287.17$1,175.83Precision engineered for enduring power and seamless operation Exceptional durability ensuring sustained engine health under demanding conditions Maintains optimal clearance and reduces friction for...$1,287.17$1,175.83 -
ONAN 101036130 CENTER MAIN BEARING Original ONAN/CUMMINS OEM part
ONAN
$23.05$21.06Precision engineered for lasting power and durability Optimizes engine smoothness and operational efficiency Critical component designed exclusively by ONAN for compatibility and reliability 100%...$23.05$21.06 -
CUMMINS 5633631 MAIN BEARING KIT Original OEM part
CUMMINS
$718.26$656.13Cummins 5633631 - MAIN BEARING KIT MINS5633631 This Cummins 5633631 - MAIN BEARING KIT is the genuine replacement part you need for your outdoor equipment. Trust the quality and precision of Cummins...$718.26$656.13 -
CUMMINS 5633630 MAIN BEARING KIT Original OEM part
CUMMINS
$685.18$625.91Depend on Precision Engineering for Enduring Performance Premium main bearing design for reduced friction and enhanced engine life Manufactured to Cummins’ exact specifications for perfect fit and...$685.18$625.91 -
CUMMINS 5473327 MAIN BEARING KIT Original OEM part
CUMMINS
$528.50$482.79Cummins 5473327 - MAIN BEARING KIT MINS5473327 Find top-quality performance with the Cummins 5473327 - MAIN BEARING KIT (SKU: MINS5473327). This kit ensures your outdoor equipment runs smoothly with...$528.50$482.79 -
CUMMINS 5473210 MAIN BEARING KIT Original OEM part
CUMMINS
$255.32$233.23Precision engineered to uphold Cummins' legacy of robust power solutions. Durable main bearing kit designed to maintain critical engine stability under demanding conditions. Optimizes engine...$255.32$233.23 -
CUMMINS 5417293 MAIN BEARING Original OEM part
CUMMINS
$10.73$9.80Precision engineering for unmatched engine stability and smooth operation Durable design enhances performance under heavy-duty applications 100% genuine OEM Cummins part guaranteeing perfect fit and...$10.73$9.80 -
CUMMINS 5417292 MAIN BEARING Original OEM part
CUMMINS
$10.82$9.88Precision-engineered endurance that powers your Cummins legacy. Robust design ensures exceptional wear resistance under heavy load. Enhances engine smoothness and maintains ideal clearance for peak...$10.82$9.88 -
CUMMINS 5405778 MAIN BEARING KIT Original OEM part
CUMMINS
$1,182.17$1,079.91Engineered for Excellence: Precision-crafted main bearing kit designed to optimize engine lifespan and ensure smooth operation under all conditions. Durability That Matters: Manufactured from...$1,182.17$1,079.91 -
CUMMINS 5405777 MAIN BEARING KIT Original OEM part
CUMMINS
$1,269.24$1,159.45Engineered for precision and durability – your engine’s powerhouse protection. Robust main bearing design reduces wear, boosts efficiency, and extends engine life. Perfect fit guaranteed by Cummins...$1,269.24$1,159.45 -
CUMMINS 5405776 MAIN BEARING KIT Original OEM part
CUMMINS
$977.40$892.86Engineered to uphold Cummins' trusted legacy of durable precision. Robust bearing design for enhanced crankshaft support and longevity. Precision-fit components crafted to match exact Cummins...$977.40$892.86 -
CUMMINS 5335357 MAIN BEARING KIT Original OEM part
CUMMINS
$147.24$134.50Cummins 5335357 - MAIN BEARING KIT MINS5335357 Find the best quality when it comes to the "5335357 - MAIN BEARING KIT" with SKU "MINS5335357" from the reliable brand Cummins. Our store offers this...$147.24$134.50 -
CUMMINS C6204298100 MAIN BEARING Original OEM part
CUMMINS
$113.54$103.72Cummins C6204298100 - MAIN BEARING MINSC6204298100 Find the genuine Cummins C6204298100 - MAIN BEARING at our store, guaranteed to meet your equipment's needs. Benefit from our competitive pricing,...$113.54$103.72 -
CUMMINS BM99820 STANDARD MAIN BEARING SET Original OEM part
CUMMINS
$1,126.19$1,028.78Powering trust through precision-engineered Cummins excellence. Durable, high-grade materials designed for long-lasting engine protection. Precisely crafted for optimal engine alignment and smooth...$1,126.19$1,028.78 -
CUMMINS AR3640 STANDARD MAIN BEARING SET Original OEM part
CUMMINS
$1,126.10$1,028.70Cummins AR3640 - STANDARD MAIN BEARING SET MINSAR3640 Find the AR3640 Standard Main Bearing Set at our online store, the perfect solution for your lawn mower or outdoor equipment maintenance...$1,126.10$1,028.70 -
CUMMINS AR12273 030 MAIN BEARING SET Original OEM part
CUMMINS
$4,915.02$4,489.87Engineered to empower your Cummins engine’s heart and soul. Precision-crafted for unmatched bearing support and reduced wear. Optimizes engine longevity and sustains smooth power delivery. 100%...$4,915.02$4,489.87 -
CUMMINS AR12272 020 MAIN BEARING SET Original OEM part
CUMMINS
$5,391.33$4,924.98Engineered to exceed expectations, delivering seamless power continuity. Precision-crafted main bearing set for unmatched engine stability and longevity. Enhances engine efficiency while reducing...$5,391.33$4,924.98 -
CUMMINS AR12271 010 MAIN BEARING SET Original OEM part
CUMMINS
$4,778.88$4,365.51Trust in precision-engineered performance that powers your Cummins engine forward. Superior durability: Crafted to withstand extreme engine pressures and maintain optimal lubrication. Exact fit:...$4,778.88$4,365.51 -
CUMMINS AR12270 STANDARD MAIN BEARING SET Original OEM part
CUMMINS
$2,569.36$2,347.11Precision engineered for unwavering durability and seamless engine operation Ensures optimal crankshaft alignment and reduces mechanical wear Manufactured by Cummins for guaranteed quality and full...$2,569.36$2,347.11 -
CUMMINS AR12253 030 MAIN BEARING SET Original OEM part
CUMMINS
$8,736.50$7,980.80Precision engineered to uphold Cummins’ legacy of power and dependability Robust construction ensures optimal engine support under demanding conditions Enhanced wear resistance contributing to...$8,736.50$7,980.80 -
CUMMINS AR12252 020 MAIN BEARING SET Original OEM part
CUMMINS
$9,506.73$8,684.40Experience unparalleled engine protection with unmatched precision Designed for optimal durability under demanding operating conditions Ensure seamless engine performance with this core...$9,506.73$8,684.40 -
CUMMINS AR12251 010 MAIN BEARING SET Original OEM part
CUMMINS
$6,932.90$6,333.21Engineered for Excellence and Endurance Precision bearing surfaces reduce wear and optimize engine smoothness Designed to maintain perfect crankshaft alignment under demanding conditions 100%...$6,932.90$6,333.21 -
CUMMINS AR12250 STANDARD MAIN BEARING SET Original OEM part
CUMMINS
$4,139.87$3,781.77Precision engineered for unmatched durability and seamless performance Enhanced engine stability through superior load distribution Designed exclusively by Cummins to meet stringent OEM...$4,139.87$3,781.77 -
CUMMINS 5473138 MAIN BEARING KIT Original OEM part
CUMMINS
$385.24$351.92Cummins 5473138 - MAIN BEARING KIT MINS5473138 Get your hands on the genuine Cummins 5473138 - MAIN BEARING KIT, SKU MINS5473138. Our store is your ultimate destination for authentic replacement...$385.24$351.92 -
CUMMINS 5473061 MAIN BEARING KIT Original OEM part
CUMMINS
$97.54$89.10Engineered to Power Excellence: Experience unmatched reliability and precision with Cummins-approved components. Robust Durability: Crafted to withstand demanding engine conditions improving...$97.54$89.10 -
CUMMINS 5406200 MAIN BEARING KIT Original OEM part
CUMMINS
$690.16$630.46Precision engineered to uphold the heritage of Cummins durability and performance. Ensures optimal engine stability by supporting critical crankshaft functions. Manufactured to exact OEM...$690.16$630.46 -
CUMMINS 5406112 MAIN BEARING KIT Original OEM part
CUMMINS
$2,140.00$1,954.89Engineered for Endurance: Experience unmatched reliability with the CUMMINS 5406112 MAIN BEARING KIT designed for premium engine protection. Precision Fit and Performance: Crafted to exact Cummins...$2,140.00$1,954.89