Cores
Genuine Cores for Diesel Engines – Onan, Cummins & Fleetguard
Restore your diesel engine's efficiency with our premium selection of genuine cores tailored for Onan, Cummins, and Fleetguard equipment. Our cores are expertly tested and sourced to ensure compatibility and optimal performance for your power engines.
Reliable Cores for Trusted Diesel Engine Brands
We provide a comprehensive range of cores, including remanufactured and exchange units, designed to meet the rigorous demands of your diesel engines. These replacement cores guarantee durability, seamless integration, and come with full authenticity to maintain your engine's reliability.
- Authentic Quality: Genuine cores from Onan, Cummins, and Fleetguard for precise fit and performance.
- Wide Selection: Various core types suitable for multiple diesel engine models and applications.
- Performance Assurance: Tested to meet OEM standards, ensuring long-lasting engine power and efficiency.
Why Choose Our Genuine Cores?
We prioritize quality, authenticity, and expert support to provide you with reliable cores that maximize your diesel engine's lifespan and performance.
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CUMMINS 2883224 COOLER CORE Original OEM part
CUMMINS
$1,033.77$944.35Engineered Precision for Uninterrupted Performance Efficient Heat Dissipation to Protect Your Engine Durable Construction Ensures Long-Lasting Operation 100% Genuine OEM Cummins Component for...$1,033.77$944.35 -
ONAN A051X193 RADIATOR CORE Original ONAN/CUMMINS OEM part
ONAN
$6,410.44$5,855.94Cummins RADIATOR CORE A051X193 Discover top-quality "RADIATOR CORE" with SKU "A051X193" by Cummins at our store. We pride ourselves on offering genuine replacement parts at competitive prices. Trust...$6,410.44$5,855.94 -
CUMMINS 5583737 COOLER CORE Original OEM part
CUMMINS
$669.90$611.96Precision engineered for uncompromised power efficiency Superior heat dissipation maintains optimal engine temperature Certified OEM component from Cummins ensuring perfect fit and...$669.90$611.96 -
CUMMINS 5543591 AFTERCOOLER CORE Original OEM part
CUMMINS
$5,679.37$5,188.11Engineered for reliable cooling efficiency, the CUMMINS 5543591 AFTERCOOLER CORE enhances engine output under demanding conditions. Durable construction maximizes lifespan, maintaining optimal air...$5,679.37$5,188.11 -
ONAN A044B057 RADIATOR CORE Original ONAN/CUMMINS OEM part
ONAN
$1,888.92$1,725.53Cummins RADIATOR CORE A044B057 Discover the authentic "RADIATOR CORE" with SKU "A044B057" from the distinguished brand Cummins at our store. Rest assured of its quality and precise fit for your...$1,888.92$1,725.53 -
CUMMINS 5611323 AFTERCOOLER CORE Original OEM part
CUMMINS
$2,097.50$1,916.07Engineered excellence for peak performance and durability Maximizes engine cooling for improved fuel economy Precision-crafted OEM component ensuring flawless fit and function Certified genuine part...$2,097.50$1,916.07 -
CUMMINS 5561443 COOLER CORE Original OEM part
CUMMINS
$439.05$401.07Engineered Precision, Enduring Performance Efficient Heat Dissipation for Enhanced Engine Health Durable Construction Ensuring Long-Term Reliability 100% Genuine OEM Cummins part crafted for perfect...$439.05$401.07 -
CUMMINS 5543592 AFTERCOOLER CORE Original OEM part
CUMMINS
$6,556.13$5,989.02Engineered Excellence for Enduring Power Precision-crafted aftercooler core to optimize air charge cooling Enhances engine efficiency while reducing emissions and fuel consumption Certified OEM...$6,556.13$5,989.02 -
ONAN A051W479 RADIATOR CORE Original ONAN/CUMMINS OEM part
ONAN
$7,181.96$6,560.72Cummins RADIATOR CORE A051W479 Our online store is your go-to destination for the original Cummins RADIATOR CORE with the SKU A051W479. Engineered to precision, this essential part ensures optimal...$7,181.96$6,560.72 -
ONAN A048L578 RADIATOR CORE Original ONAN/CUMMINS OEM part
ONAN
$2,379.13$2,173.33Cummins RADIATOR CORE A048L578 Explore our top-quality Cummins RADIATOR CORE, SKU A048L578, the perfect replacement for your outdoor equipment. Our store is your ultimate destination for genuine...$2,379.13$2,173.33 -
ONAN A048L576 RADIATOR CORE Original ONAN/CUMMINS OEM part
ONAN
$2,201.72$2,011.27Cummins RADIATOR CORE A048L576 Discover the authentic Cummins RADIATOR CORE with SKU A048L576 at our store, the ultimate destination for premium replacement parts. Our commitment to quality ensures...$2,201.72$2,011.27 -
ONAN A046M308 RADIATOR CORE Original ONAN/CUMMINS OEM part
ONAN
$7,712.75$7,045.60Cummins RADIATOR CORE A046M308 Find top-tier quality with the Cummins RADIATOR CORE. Crafted with precision and durability, this essential part ensures optimal performance for your outdoor equipment...$7,712.75$7,045.60 -
ONAN A046M279 RADIATOR CORE Original ONAN/CUMMINS OEM part
ONAN
$3,134.32$2,863.20Cummins RADIATOR CORE A046M279 Discover the authentic Cummins RADIATOR CORE with the SKU A046M279, an essential component for maintaining optimal performance. Our store ensures top-quality original...$3,134.32$2,863.20 -
ONAN A042W201 RADIATOR CORE Original ONAN/CUMMINS OEM part
ONAN
$899.90$822.06Cummins RADIATOR CORE A042W201 Discover the authentic Cummins RADIATOR CORE with SKU A042W201, designed to ensure top performance for your outdoor equipment. Our store stands out as the ultimate...$899.90$822.06 -
ONAN 8001173 LV8 SET W AND X CORE BUSBAR Original ONAN/CUMMINS OEM part
ONAN
$8,447.06$7,716.39Cummins LV8 SET W AND X CORE BUSBAR 800-1173 Discover the authentic Cummins LV8 SET W AND X CORE BUSBAR, SKU 800-1173, exclusively at our store. Our commitment to providing genuine replacement parts...$8,447.06$7,716.39 -
CUMMINS 5477432 COOLER CORE Original OEM part
CUMMINS
$618.29$564.81Unyielding Excellence in Cooling Performance Precision-engineered for optimal heat dissipation and longevity Designed to maintain engine efficiency under the toughest conditions 100% Genuine OEM...$618.29$564.81 -
CUMMINS 5372148 INTERCOOLER CORE Original OEM part
CUMMINS
$11,375.33$10,391.36Engineered Excellence Meets Enduring Power Optimizes air intake cooling for superior combustion efficiency Enhances durability to withstand demanding engine conditions 100% Genuine OEM CUMMINS part...$11,375.33$10,391.36 -
CUMMINS 5312665 AFTERCOOLER KIT Original OEM part
CUMMINS
$9,275.03$8,472.74Cummins 5312665 - AFTERCOOLER KIT MINS5312665 Find genuine quality with the "5312665 - AFTERCOOLER KIT" from Cummins, available at our store under the SKU "MINS5312665". Trust in our expertise to...$9,275.03$8,472.74 -
CUMMINS 5294201 COOLER CORE Original OEM part
CUMMINS
$436.10$398.38Engineered Excellence for Lasting Performance Precision Cooling to Maintain Optimal Engine Temperatures Robust Construction to Endure Demanding Power Applications 100% Genuine OEM Cummins Component...$436.10$398.38 -
CUMMINS 5284362 COOLER CORE Original OEM part
CUMMINS
$424.90$388.15Engineered to Last: Precision-crafted to maintain your engine's cooling integrity under all conditions. Enhanced Thermal Management: Optimizes coolant flow to prevent overheating and extend engine...$424.90$388.15 -
CUMMINS 5283057 AFTERCOOLER KIT Original OEM part
CUMMINS
$9,220.73$8,423.13Cummins 5283057 - AFTERCOOLER KIT MINS5283057 Find top-quality Cummins 5283057 - AFTERCOOLER KIT here. Our store is your go-to destination for original replacement parts, ensuring a perfect fit for...$9,220.73$8,423.13 -
CUMMINS 4975632 AFTERCOOLER CORE Original OEM part
CUMMINS
$5,767.54$5,268.65Precision engineering redefined for power and reliability Enhances engine cooling efficiency for optimal performance Improves emissions control and fuel economy under demanding conditions Certified...$5,767.54$5,268.65 -
CUMMINS 4965487 COOLER CORE Original OEM part
CUMMINS
$912.74$833.79Precision engineered to empower your engine’s resilience Maximizes heat dissipation for optimal engine performance Durable construction ensures long service life under demanding conditions 100%...$912.74$833.79 -
CUMMINS 4945406 HEAT EXCHANGER CORE Original OEM part
CUMMINS
$9,179.83$8,385.77Engineered to endure demanding environments with precision and reliability. Optimizes thermal management for sustained engine performance and fuel efficiency. Manufactured as a genuine OEM part by...$9,179.83$8,385.77 -
CUMMINS 4931507 HEAT EXCHANGER CORE Original OEM part
CUMMINS
$14,592.28$13,330.05Precision engineered for maximum thermal efficiency and long-lasting durability Designed to optimize engine temperature control, reducing wear and enhancing fuel economy Certified genuine OEM...$14,592.28$13,330.05 -
CUMMINS 4927220 AFTERCOOLER CORE Original OEM part
CUMMINS
$6,402.34$5,848.54Precision engineered to power your performance forward Enhanced charge air cooling for superior engine efficiency Durable design optimized for long service life in demanding conditions 100% genuine...$6,402.34$5,848.54 -
CUMMINS 4919997 AFTERCOOLER CORE Original OEM part
CUMMINS
$3,395.26$3,101.57Cummins 4919997 - AFTERCOOLER CORE MINS4919997 Find reliability in our authentic Cummins 4919997 AFTERCOOLER CORE with SKU MINS4919997, the ideal replacement part for your outdoor equipment. Trust...$3,395.26$3,101.57 -
CUMMINS 4916621 COOLER CORE Original OEM part
CUMMINS
$3,302.90$3,017.20Engineered for Precision, Built for Endurance Optimal Heat Dissipation to maintain engine temperature under demanding conditions Durability and Corrosion Resistance ensure long-lasting...$3,302.90$3,017.20 -
CUMMINS 4910356 AFTERCOOLER CORE Original OEM part
CUMMINS
$6,454.70$5,896.37Precision cool, reliable power—designed to keep your engine at its best. Advanced heat exchange technology ensures superior charge air cooling for optimal engine efficiency. Durable construction...$6,454.70$5,896.37 -
CUMMINS 4910355 AFTERCOOLER CORE Original OEM part
CUMMINS
$5,367.30$4,903.03Precision-engineered cooling solution for optimal engine output Durable construction to withstand demanding industrial conditions 100% genuine OEM Cummins part ensuring perfect...$5,367.30$4,903.03 -
CUMMINS 4397509 COOLER CORE Original OEM part
CUMMINS
$9,564.68$8,737.34Precision-engineered to keep your Cummins power running smoothly. Robust cooling capacity ensures your engine remains within ideal operating temperatures. Durable construction designed to withstand...$9,564.68$8,737.34 -
CUMMINS 4381895 AFTERCOOLER CORE Original OEM part
CUMMINS
$10,204.10$9,321.45Precision engineered for uncompromising power system excellence Enhances engine thermal management to maximize longevity Facilitates optimal air charge cooling for improved fuel economy and...$10,204.10$9,321.45 -
CUMMINS 4381154 INTERCOOLER CORE Original OEM part
CUMMINS
$2,891.76$2,641.62Engineered Precision for Peak Performance Maximizes intake air cooling to improve engine efficiency Durable construction ensures long-lasting reliability under demanding conditions 100% OEM Cummins...$2,891.76$2,641.62 -
CUMMINS 4100636 AFTERCOOLER CORE Original OEM part
CUMMINS
$6,321.88$5,775.04Precision engineered for uncompromised cooling performance Enhances engine efficiency and protects against thermal damage Designed and manufactured as an OEM Cummins component for guaranteed...$6,321.88$5,775.04 -
CUMMINS 4096850 COOLER CORE Original OEM part
CUMMINS
$3,763.37$3,437.84Engineered for performance and endurance – keep your Cummins power running smoothly. Advanced cooling design ensures efficient heat dissipation under demanding conditions. Crafted as a genuine OEM...$3,763.37$3,437.84 -
CUMMINS 4068308 COOLER CORE Original OEM part
CUMMINS
$3,271.06$2,988.11Durability Meets Precision: Engineered to deliver uncompromising cooling performance in the toughest conditions. Optimized for Peak Efficiency: Maintains ideal engine temperature to enhance fuel...$3,271.06$2,988.11 -
CUMMINS 4030868 CORE ASSEMBLY Original OEM part
CUMMINS
$3,367.29$3,076.02Cummins 4030868 - CORE ASSEMBLY MINS4030868 Discover the authentic quality of the "4030868 - CORE ASSEMBLY" by Cummins, available at our store under the SKU "MINS4030868". With a reputation for...$3,367.29$3,076.02 -
CUMMINS 4027225 CORE ASSEMBLY Original OEM part
CUMMINS
$7,588.94$6,932.50Engineered to Empower Your Equipment Robust core assembly designed for consistent, long-lasting performance Optimized for seamless integration and superior fuel efficiency 100% Genuine Cummins OEM...$7,588.94$6,932.50 -
CUMMINS 4027084 CORE ASSEMBLY Original OEM part
CUMMINS
$5,533.62$5,054.96Engineered to elevate your Cummins power system’s precision and endurance Robust core assembly designed for optimal engine health and sustained performance Guaranteed genuine OEM quality, ensuring...$5,533.62$5,054.96 -
CUMMINS 4025340 CORE AFTERCOOLER KIT Original OEM part
CUMMINS
$4,649.45$4,247.27Precision engineered excellence for uncompromising power delivery Optimizes air intake temperature for enhanced engine performance Durable construction ensures long-lasting operational...$4,649.45$4,247.27