Cooler Cores

Genuine Cooler Cores for Onan, Cummins & Fleetguard Diesel Engines

Maintain peak engine performance with our authentic Cooler Cores designed specifically for Onan, Cummins, and Fleetguard power engines. These essential cooling components ensure efficient heat dissipation, preventing engine overheating and prolonging lifespan.

Cooler Cores for Reliable, Efficient Diesel Engine Cooling

Our Cooler Cores are precision-engineered replacement parts crafted to meet OEM standards. Featuring enhanced heat exchange capabilities and durable construction, they deliver consistent cooling under heavy-duty conditions.

  • Premium Build Quality: Manufactured from high-grade materials to resist corrosion and wear.
  • Wide Compatibility: Perfect fit for a range of Onan, Cummins, and Fleetguard diesel engines.
  • Improved Engine Efficiency: Optimizes coolant flow to reduce overheating risks and engine downtime.

Why Choose Our Cooler Cores?

Trust our genuine Cooler Cores to maximize your diesel engine's reliability and longevity with superior cooling performance and OEM-grade quality assurance.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • CUMMINS 2883224 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 2883224 COOLER CORE Original OEM part

    CUMMINS

    $1,033.77
    $944.35
    Engineered 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,033.77
    $944.35
    Subtotal:
  • CUMMINS 5583737 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5583737 COOLER CORE Original OEM part

    CUMMINS

    $669.90
    $611.96
    Precision 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $669.90
    $611.96
    Subtotal:
  • CUMMINS 5561443 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5561443 COOLER CORE Original OEM part

    CUMMINS

    $439.05
    $401.07
    Engineered 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $439.05
    $401.07
    Subtotal:
  • CUMMINS 5477432 - CORE COOLER -image1
    Add to Cart

    CUMMINS 5477432 COOLER CORE Original OEM part

    CUMMINS

    $618.29
    $564.81
    Unyielding 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $618.29
    $564.81
    Subtotal:
  • CUMMINS 5372148 - INTERCOOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5372148 INTERCOOLER CORE Original OEM part

    CUMMINS

    $11,375.33
    $10,391.36
    Engineered 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11,375.33
    $10,391.36
    Subtotal:
  • CUMMINS 5294201 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5294201 COOLER CORE Original OEM part

    CUMMINS

    $436.10
    $398.38
    Engineered 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $436.10
    $398.38
    Subtotal:
  • CUMMINS 5284362 - CORE COOLER
    Add to Cart

    CUMMINS 5284362 COOLER CORE Original OEM part

    CUMMINS

    $424.90
    $388.15
    Engineered 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $424.90
    $388.15
    Subtotal:
  • CUMMINS 4965487 - CORE COOLER - Original OEM part
    Add to Cart

    CUMMINS 4965487 COOLER CORE Original OEM part

    CUMMINS

    $912.74
    $833.79
    Precision 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $912.74
    $833.79
    Subtotal:
  • CUMMINS 4916621 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4916621 COOLER CORE Original OEM part

    CUMMINS

    $3,302.90
    $3,017.20
    Engineered 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,302.90
    $3,017.20
    Subtotal:
  • CUMMINS 4397509 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4397509 COOLER CORE Original OEM part

    CUMMINS

    $9,564.68
    $8,737.34
    Precision-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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,564.68
    $8,737.34
    Subtotal:
  • CUMMINS 4381154 - INTERCOOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4381154 INTERCOOLER CORE Original OEM part

    CUMMINS

    $2,891.76
    $2,641.62
    Engineered 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,891.76
    $2,641.62
    Subtotal:
  • CUMMINS 4096850 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096850 COOLER CORE Original OEM part

    CUMMINS

    $3,763.37
    $3,437.84
    Engineered 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,763.37
    $3,437.84
    Subtotal:
  • CUMMINS 4068308 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4068308 COOLER CORE Original OEM part

    CUMMINS

    $3,271.06
    $2,988.11
    Durability 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,271.06
    $2,988.11
    Subtotal:
  • CUMMINS 3968761 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3968761 COOLER CORE Original OEM part

    CUMMINS

    $10,610.67
    $9,692.85
    Precision-engineered cooling solution for uncompromised engine performance Exceptional heat dissipation to maintain engine optimal temperature under all operating conditions Certified genuine OEM...
    $10,610.67
    $9,692.85
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10,610.67
    $9,692.85
    Subtotal:
  • CUMMINS 3960067 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3960067 COOLER CORE Original OEM part

    CUMMINS

    $629.13
    $574.71
    Powering Precision, Cooling Excellence Engineered for Superior Heat Dissipation to maintain optimal operating temperatures under demanding conditions. Durable Construction with Premium Materials...
    $629.13
    $574.71
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $629.13
    $574.71
    Subtotal:
  • CUMMINS 3959031 - CORE COOLER - Image 1
    Add to Cart

    CUMMINS 3959031 COOLER CORE Original OEM part

    CUMMINS

    $637.80
    $582.64
    Engineered excellence for uncompromised cooling performance Enhances engine longevity by efficiently managing thermal loads 100% genuine Cummins OEM part for assured compatibility and...
    $637.80
    $582.64
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $637.80
    $582.64
    Subtotal:
  • CUMMINS 3957544 - CORE COOLER -image1
    Add to Cart

    CUMMINS 3957544 COOLER CORE Original OEM part

    CUMMINS

    $482.39
    $440.67
    Precision engineered for enduring excellence Enhances cooling efficiency to safeguard engine health Robust design ensures consistent performance under demanding conditions Guaranteed genuine OEM...
    $482.39
    $440.67
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $482.39
    $440.67
    Subtotal:
  • CUMMINS 3957543 - CORE COOLER-IMAGE1
    Add to Cart

    CUMMINS 3957543 COOLER CORE Original OEM part

    CUMMINS

    $727.45
    $664.53
    Empower your engine’s heart with precision cooling excellence Advanced thermal management for peak engine efficiency Robust construction designed to withstand intense operational demands Authentic...
    $727.45
    $664.53
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $727.45
    $664.53
    Subtotal:
  • CUMMINS 3694737 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3694737 COOLER CORE Original OEM part

    CUMMINS

    $819.95
    $749.02
    Cummins 3694737 - COOLER CORE MINS3694737 Discover top-notch quality with the 3694737 - COOLER CORE by Cummins, ensuring peak performance for your outdoor equipment. Trust in our store for original...
    $819.95
    $749.02
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $819.95
    $749.02
    Subtotal:
  • CUMMINS 3641960 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3641960 COOLER CORE Original OEM part

    CUMMINS

    $3,456.77
    $3,157.76
    Precision engineered to sustain power where it matters most Exceptional heat dissipation for enhanced engine protection Durable construction ensuring long-lasting service in demanding...
    $3,456.77
    $3,157.76
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,456.77
    $3,157.76
    Subtotal:
  • CUMMINS 3638821 - INTERCOOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3638821 INTERCOOLER CORE Original OEM part

    CUMMINS

    $7,198.89
    $6,576.19
    Engineered for precision, built for endurance Maximizes engine cooling to boost power output and fuel efficiency Designed to reduce thermal stress, ensuring prolonged engine life 100% genuine OEM...
    $7,198.89
    $6,576.19
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,198.89
    $6,576.19
    Subtotal:
  • CUMMINS 3635074 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3635074 COOLER CORE Original OEM part

    CUMMINS

    $1,039.29
    $949.40
    Precision engineered to keep your power running strong. Efficient thermal management for peak engine performance. Durable construction optimized for demanding environments. Guaranteed Genuine OEM...
    $1,039.29
    $949.40
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,039.29
    $949.40
    Subtotal:
  • CUMMINS 3412285 - CORE COOLER - Original OEM part
    Add to Cart

    CUMMINS 3412285 COOLER CORE Original OEM part

    CUMMINS

    $1,309.42
    $1,196.15
    Cummins 3412285 - COOLER CORE MINS3412285 Find the authentic Cummins 3412285 - COOLER CORE here at our store, where quality meets affordability. With precise engineering and durable construction,...
    $1,309.42
    $1,196.15
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,309.42
    $1,196.15
    Subtotal:
  • CUMMINS 3052514 - CORE COOLER - Original OEM part
    Add to Cart

    CUMMINS 3052514 COOLER CORE Original OEM part

    CUMMINS

    $1,312.33
    $1,198.81
    Engineered Excellence for Unmatched Cooling Performance Optimized Thermal Management to Prolong Engine Life Precision-Fit Genuine OEM Component from Cummins CUMMINS 3052514 COOLER CORE—The...
    $1,312.33
    $1,198.81
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,312.33
    $1,198.81
    Subtotal:
  • CUMMINS 3010612 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3010612 COOLER CORE Original OEM part

    CUMMINS

    $4,868.19
    $4,447.10
    Engineered for Excellence, Delivered with Precision Advanced cooling technology to maintain optimal engine temperatures Durable design to withstand demanding operating conditions Genuine OEM part...
    $4,868.19
    $4,447.10
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,868.19
    $4,447.10
    Subtotal:
  • CUMMINS 218754 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 218754 COOLER CORE Original OEM part

    CUMMINS

    $2,822.34
    $2,578.21
    Precision cooling engineered to protect and power your Cummins engine. Optimized core design maximizes heat dissipation for superior engine temperature control. Robust construction ensures long...
    $2,822.34
    $2,578.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,822.34
    $2,578.21
    Subtotal:
  • CUMMINS 208149 - CORE COOLER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 208149 COOLER CORE Original OEM part

    CUMMINS

    $1,187.95
    $1,085.19
    Cummins 208149 - COOLER CORE MINS208149 Find the authentic "208149 - COOLER CORE" by Cummins at our online store. Rest assured of the quality and fit as it is an original replacement part. With SKU...
    $1,187.95
    $1,085.19
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,187.95
    $1,085.19
    Subtotal:
  • CUMMINS 125659 - COOLER CORE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 125659 COOLER CORE Original OEM part

    CUMMINS

    $10,399.00
    $9,499.49
    Engineered for Precision Cooling Excellence Advanced thermal management to enhance engine reliability Durable construction ensuring optimal heat dissipation 100% Genuine OEM part from Cummins,...
    $10,399.00
    $9,499.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10,399.00
    $9,499.49
    Subtotal:
  • CUMMINS 110848 - CORE COOLER - Original OEM part
    Add to Cart

    CUMMINS 110848 COOLER CORE Original OEM part

    CUMMINS

    $1,282.33
    $1,171.41
    Precision-engineered to safeguard your engine's durability and efficiency. Superior thermal management for consistent, reliable cooling under demanding conditions. Robust construction designed for...
    $1,282.33
    $1,171.41
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,282.33
    $1,171.41
    Subtotal:
  • Total: items /

Adding your products to cart