Coolant Heaters
Genuine Coolant Heaters for Diesel Engines by Onan, Cummins & Fleetguard
Maintain engine efficiency and extend lifespan with our premium Coolant Heaters, specially crafted for Onan, Cummins, and Fleetguard diesel engines. These genuine coolant heating solutions ensure rapid warm-up times, reduce engine wear during cold starts, and improve overall reliability.
Reliable Coolant Heaters to Protect and Enhance Your Diesel Engine
Our range includes electric coolant heaters and block heaters, engineered to provide consistent engine temperature control. Designed with durable materials and precise fitment, these coolant heaters optimize fuel efficiency and reduce emissions.
- Genuine Brand Quality: Certified Onan, Cummins, and Fleetguard parts guarantee compatibility and performance.
- Enhanced Engine Protection: Prevents cold-weather damage by maintaining optimal coolant temperatures.
- Easy Installation: Designed for hassle-free replacement and long-lasting durability.
Why Choose Our Coolant Heaters?
Trust our genuine coolant heaters to deliver unmatched quality, ensuring your diesel engine runs smoothly and reliably, even in the harshest conditions.
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ONAN 333063402 HEATER WATER ONAN Genuine OEM Part
ONAN
$2,209.16$2,018.07Certified Genuine ONAN Replacement Part ensuring full compatibility and performance. Efficiently heats engine coolant to maintain optimal operating temperature in cold conditions. Supports improved...$2,209.16$2,018.07 -
ONAN A051L083 COOLANT HEATER ONAN Genuine OEM Part
ONAN
$242.16$221.21Genuine ONAN OEM coolant heater engineered for perfect compatibility. Facilitates rapid engine warm-up in cold environments to reduce wear. Optimizes fuel consumption and lowers emissions during...$242.16$221.21 -
ONAN A042V042 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$226.02$206.47Unmatched precision engineered for enduring power solutions Efficient warmth delivery for rapid engine start-up Durability designed to withstand demanding conditions Certified OEM part directly from...$226.02$206.47 -
ONAN A046S627 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$248.15$226.68Deliver uncompromising engine performance with the precision of genuine Onan engineering. Ensures rapid and efficient coolant warming to reduce engine wear and enhance start-up reliability. Designed...$248.15$226.68 -
ONAN A050M046 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$267.32$244.19Cummins COOLANT HEATER A050M046 Discover the authentic "COOLANT HEATER" with SKU "A050M046" from the renowned brand Cummins at our online store. Our store is your ultimate destination for genuine...$267.32$244.19 -
ONAN 179357803 COOLANT HEATER KIT Original ONAN/CUMMINS OEM part
ONAN
$3,691.13$3,371.85Cummins COOLANT HEATER KIT 179-3578-03 Upgrade your outdoor equipment with the original Cummins COOLANT HEATER KIT (SKU: 179-3578-03) available at our store. With a focus on quality and performance,...$3,691.13$3,371.85 -
ONAN 333063401 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$2,209.16$2,018.07Precision heating engineered for lasting power Reliable coolant circulation for optimal engine warm-up Durability crafted to withstand demanding environments 100% genuine OEM part from ONAN for...$2,209.16$2,018.07 -
ONAN A061N810 HEATER COOLANT Original ONAN/CUMMINS OEM part
ONAN
$452.53$413.38Dependability embodied in every drop Precision-engineered for superior heat management Enhanced corrosion resistance for lasting engine protection 100% Genuine ONAN OEM part designed for perfect fit...$452.53$413.38 -
ONAN A060T026 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$9,807.10$8,958.79Empower your generator’s endurance with precision-engineered warmth. Ensures optimum engine temperature for seamless starts in cold conditions. Enhances fuel efficiency and reduces emissions through...$9,807.10$8,958.79 -
ONAN A055R910 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$469.20$428.62Precision heating engineered for seamless engine readiness. Maintains optimal coolant temperature for superior engine protection. Reliably designed to improve cold-start performance and fuel...$469.20$428.62 -
ONAN A050Z702 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$2,631.37$2,403.76Experience dependable engine warmth and smoother startups every time Efficient heat delivery enhances engine longevity and reduces wear Maintains optimal coolant temperature for improved fuel...$2,631.37$2,403.76 -
ONAN A050V431 HEATER KIT COOLANT Original ONAN/CUMMINS OEM part
ONAN
$6,262.62$5,720.90Precision-engineered for seamless integration and uncompromised reliability Enhances coolant heating efficiency to protect your engine in cold conditions Designed specifically by ONAN as an OEM...$6,262.62$5,720.90 -
ONAN A049G583 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$3,042.48$2,779.31Engineered precision for flawless engine warmth and dependable starts. Enhances fuel efficiency by maintaining optimal engine temperature. Durable OEM design tailored to Onan generator requirements...$3,042.48$2,779.31 -
ONAN A046B417 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$3,706.49$3,385.88Precision warming power tailored for your ONAN engine’s health Ensures rapid engine start and reduces engine wear in cold conditions Designed for seamless integration, durability, and fuel...$3,706.49$3,385.88 -
ONAN A035C368 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$2,930.29$2,676.82Engineered Precision for Reliable Warm Starts Ensures optimal coolant temperature quickly, reducing engine wear Enhanced fuel efficiency and emissions control via superior heating Certified OEM part...$2,930.29$2,676.82 -
ONAN A054G400 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$262.27$239.59Precision-engineered for optimal engine temperature control and durability Maintains coolant warmth for efficient startup and reduced engine wear Authentic OEM ONAN component, guaranteeing perfect...$262.27$239.59 -
ONAN A052T921 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$9,108.30$8,320.44Precision-engineered for seamless integration and optimal warming efficiency Ensures rapid engine heat-up to protect vital components in cold starts Manufactured as a genuine OEM part by Onan for...$9,108.30$8,320.44 -
ONAN A052B642 COOLANT HEATER KIT Original ONAN/CUMMINS OEM part
ONAN
$1,873.60$1,711.54Dependable Efficiency at Your Fingertips Enhances cold weather starts by maintaining optimal coolant temperature Reduces engine wear and extends operational life Precision-engineered OEM component...$1,873.60$1,711.54 -
ONAN A050V456 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$3,431.69$3,134.85Enhance engine startup reliability with premium coolant heating technology Ensure optimal engine temperature for reduced emissions and improved fuel economy Certified genuine OEM part engineered by...$3,431.69$3,134.85 -
ONAN A050V455 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$3,483.20$3,181.91Experience unmatched reliability with genuine ONAN engineering at your service Precision-designed coolant heater to optimize engine temperature management Durable construction guarantees consistent...$3,483.20$3,181.91 -
ONAN A050V422 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$3,481.90$3,180.72Engineered to elevate your power system's efficiency and reliability Provides precise and consistent heating to optimize engine startup in cold conditions Crafted as a genuine OEM ONAN component for...$3,481.90$3,180.72 -
ONAN A050V421 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$3,417.70$3,122.07Precision heating for peak engine readiness Ensures rapid warm-up and reduces engine wear Manufactured by Onan as an original OEM component ONAN A050V421 COOLANT HEATER - Powering Confidence with...$3,417.70$3,122.07 -
ONAN A050U647 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$2,545.05$2,324.90Precision Performance for Endurance Ensures rapid engine warm-up even in extreme conditions Robust build engineered for long-lasting reliability 100% Genuine ONAN OEM part guarantees perfect...$2,545.05$2,324.90 -
ONAN A050M049 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$267.32$244.19Depend on proven performance with every ONAN component. Efficient pre-heating technology for quick engine starts even in cold environments. Durable construction guarantees long service life and...$267.32$244.19 -
ONAN A050K050 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$5,269.62$4,813.79Precision engineered for dependable warm starts and enhanced engine protection Rapid heat-up feature that minimizes engine wear and emissions Robust construction ensures durable operation even in...$5,269.62$4,813.79 -
ONAN A049G586 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$3,078.77$2,812.46Precision Heated Performance—Unlock seamless engine starts every time Robust heat distribution that supports efficient cold-weather operation Durable construction engineered specifically for ONAN...$3,078.77$2,812.46 -
ONAN A049B410 COOLANT HEATER KIT Original ONAN/CUMMINS OEM part
ONAN
$166.64$152.22Reliability redefined for your ONAN generator’s heart. Ensures rapid engine warm-up for optimal performance Prevents cold start wear, extending engine life significantly This is a genuine ONAN OEM...$166.64$152.22 -
ONAN A046Y774 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$473.90$432.91Precision Engineered for Consistent Warmth: Your generator’s performance begins with the right temperature. Enhances Fuel Efficiency: Reduces cold start wear and improves combustion. Durable OEM...$473.90$432.91 -
ONAN A046H464 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$429.56$392.40Cummins COOLANT HEATER A046H464 Ensure optimum performance for your outdoor equipment with the original COOLANT HEATER (SKU: A046H464) from Cummins. Our store offers the best price, ensuring you get...$429.56$392.40 -
ONAN A046H463 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$824.55$753.23Precision power begins with trusted components. Maintains optimal engine temperature for reliable startups. Durable construction designed to withstand demanding operating conditions. Manufactured as...$824.55$753.23 -
ONAN A046G479 COOLANT HEATER KIT Original ONAN/CUMMINS OEM part
ONAN
$196.78$179.76Dependable warmth for your engine’s heart Efficient pre-heating to reduce cold starts Durable construction designed for long service life Precision-engineered OEM part from ONAN, ensuring perfect...$196.78$179.76 -
ONAN A046B413 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$83.68$76.44Precision warmth crafted for unmatched engine care Maintains optimal coolant temperature for smooth startups Enhances fuel efficiency and reduces engine wear Certified genuine OEM component from...$83.68$76.44 -
ONAN A046B411 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$390.25$356.49Precision-engineered for dependable power when it counts most. Efficient coolant heating for optimal engine temperature management. Robust design ensures durability under demanding conditions. 100%...$390.25$356.49 -
ONAN A043G668 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$370.94$338.85Engineered to elevate your power system's reliability and performance. Efficient coolant heating optimizes engine start-up in cold conditions. Durable construction for consistent operation and long...$370.94$338.85 -
ONAN A043G667 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$369.50$337.54Precision engineered for dependable engine warming Enhances cold-weather starting and reduces wear Certified genuine OEM part by Onan for guaranteed compatibility and quality ONAN A043G667 COOLANT...$369.50$337.54 -
ONAN A041A149 COOLANT HEATER Original ONAN/CUMMINS OEM part
ONAN
$7,719.03$7,051.33Empower your generator’s endurance with trusted precision Engineered to provide consistent pre-heating for smooth cold starts Boosts fuel efficiency while reducing wear and emissions Certified OEM...$7,719.03$7,051.33 -
ONAN 333070202 HEATER KIT COOLANT 240VDC Original ONAN/CUMMINS OEM part
ONAN
$863.57$788.87Precision-engineered heating solution to maintain optimal coolant temperature Ensures reliable cold-start performance and prevents engine damage due to low coolant temperatures Designed exclusively...$863.57$788.87 -
ONAN 333070201 HEATER KIT COOLANT 120VDC Original ONAN/CUMMINS OEM part
ONAN
$576.21$526.36Precision engineered to maintain dependable power and protect your investment Enhances engine coolant circulation for faster warm-up and improved efficiency Designed to withstand demanding operating...$576.21$526.36 -
ONAN 179490203 COOLANT HEATER INSTALLATION Original ONAN/CUMMINS OEM part
ONAN
$614.56$561.40Precision engineered for trust and performance in every connection. Enhances engine warm-up speed, reducing wear and emissions. Durable construction ensures long-lasting service under demanding...$614.56$561.40 -
ONAN 179385004 COOLING HEATER INSTALLATION Original ONAN/CUMMINS OEM part
ONAN
$4,693.87$4,287.85Dependable precision engineered for your generator's peak efficiency Ensures optimal engine temperature regulation under demanding conditions Certified OEM component designed exclusively by ONAN for...$4,693.87$4,287.85