Diesel Engine Hoses
Genuine Diesel Engine Hoses for Onan, Cummins & Fleetguard Power Engines
Maintain peak performance and reliability with our range of genuine Diesel Engine Hoses, specifically designed for Onan, Cummins, and Fleetguard diesel engines. Our hoses ensure efficient fluid transfer, heat resistance, and durability under demanding conditions.
Premium Diesel Engine Hoses - Trusted Quality & Fit
Our collection includes fuel hoses, coolant hoses, and oil hoses—all crafted to meet OEM specifications and withstand high pressure and temperature variations typical in diesel power engines.
- Genuine Onan, Cummins & Fleetguard Parts: Authentic components engineered for exact fit and performance.
- Durability & Heat Resistance: Built to endure extreme engine environments and extend hose life.
- Wide Compatibility: Suitable for a variety of diesel engine models to ensure seamless replacement.
Why Choose Our Diesel Engine Hoses?
Choose our genuine Diesel Engine Hoses for unmatched quality, reliability, and OEM-approved performance that keeps your Onan, Cummins, or Fleetguard engine running smoothly.
- Air Filter Hoses
- Breather Hoses
- Connector Hoses
- Coolant Hoses
- Coupling Plain Hoses
- Cummins Air Hoses
- Exhaust Hoses
- Flexible Hoses
- Fluid Heating Hoses
- Fuel Hoses
- Hose Kits
- Hose Packages
- Hump Hoses
- Intake Hoses
- Molded Hoses
- Oil Hoses for Cummins Engines
- Plain Hoses
- Radiator Hoses
- Reducing Hoses
- Steam Hoses
- Vent Hoses
- Water Hoses
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
ONAN 503163401 SILICONE RUBBER HOSE ONAN Genuine OEM Part
ONAN
$56.70$51.80The ONAN 503-1634-01 is a silicone rubber hose made from high-grade material, offered as a genuine OEM replacement part. This hose delivers precise fluid transfer essential for optimal engine...$56.70$51.80 -
ONAN A028X416 COOLANT HOSE ONAN Genuine OEM Part
ONAN
$56.45$51.57Certified Genuine ONAN OEM Coolant Hose Effectively maintains engine operating temperature by circulating coolant Designed for durability and resistance to extreme temperatures and...$56.45$51.57 -
ONAN A028Z133 COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$11.20$10.24Precision-engineered to maintain peak engine cooling efficiency Durable construction resists wear and high temperatures for extended service life Authentic OEM component directly from ONAN, ensuring...$11.20$10.24 -
ONAN A041E042 FUEL HOSE ONAN Genuine OEM Part
ONAN
$75.77$69.22This is a Genuine ONAN OEM fuel hose designed specifically for your generator system. Ensures consistent fuel flow to maintain engine stability under varied operating conditions. Resists heat, fuel...$75.77$69.22 -
ONAN A041E044 FUEL HOSE ONAN Genuine OEM Part
ONAN
$68.12$62.22Genuine ONAN OEM part specifically engineered for seamless integration and optimal performance. Designed to maintain fuel flow integrity, preventing leaks and securing engine efficiency. Built to...$68.12$62.22 -
ONAN A028X414 COOLANT HOSE ONAN Genuine OEM Part
ONAN
$21.85$19.96Genuine ONAN OEM replacement coolant hose designed specifically for Onan generator systems Maintains optimal coolant flow to prevent engine overheating and ensure reliable operation Resists heat,...$21.85$19.96 -
ONAN A029G159 COOLANT HOSE ONAN Genuine OEM Part
ONAN
$43.59$39.82Certified genuine ONAN OEM replacement part for guaranteed fit and durability Efficiently channels coolant to maintain safe engine operating temperatures Designed to resist high temperatures and...$43.59$39.82 -
ONAN A035N891 COOLANT HOSE ONAN Genuine OEM Part
ONAN
$25.06$22.89Certified Genuine ONAN OEM Part ensuring compatibility and quality. Essential for maintaining precise coolant flow to prevent engine overheating. Constructed for durability under demanding operating...$25.06$22.89 -
CUMMINS 4934496 PLAIN HOSE COUPLING CUMMINS Genuine OEM Part
CUMMINS
$31.16$28.47Authentic CUMMINS OEM component guaranteeing exact fit and high-quality standards Facilitates secure hose connections to maintain optimal fluid transfer under pressure Designed to withstand...$31.16$28.47 -
CUMMINS 3866540 PLAIN HOSE CUMMINS Genuine OEM Part
CUMMINS
$33.47$30.58Certified Genuine Cummins OEM component ensuring perfect fit and dependable service life. Engineered to provide superior fluid transfer with resistance to wear and extreme conditions. Designed to...$33.47$30.58 -
ONAN 5031308 10 FEET MARINE WET EXHAUST HOSE Original ONAN/CUMMINS OEM part
ONAN
$604.13$551.87Reliability where it counts: engineered for marine environments Durable construction ensures long-lasting exhaust protection 100% genuine ONAN OEM part for perfect fit and performance ONAN 503-1308...$604.13$551.87 -
CUMMINS 4302426 FLEXIBLE HOSE Original OEM part
CUMMINS
$880.62$804.44Engineered for precision performance and uncompromising reliability High-grade flexible hose designed to withstand extreme operating conditions Ensures optimal fluid flow and excellent resistance...$880.62$804.44 -
ONAN 503163402 SILICONE RUBBER HOSE Original ONAN/CUMMINS OEM part
ONAN
$24.33$22.22Cummins SILICONE RUBBER HOSE 503-1634-02 Our store offers the original SILICONE RUBBER HOSE, SKU 503-1634-02, from the renowned brand Cummins. Engineered with precision and durability in mind, this...$24.33$22.22 -
ONAN 5032195 COOLANT HOSE ONAN Genuine OEM Part
ONAN
$57.02$52.08Genuine ONAN OEM Part engineered for precise fit and compatibility Maintains proper coolant flow to prevent engine overheating Constructed for durability under demanding operational...$57.02$52.08 -
CUMMINS 3905084 FLEXIBLE HOSE Original OEM part
CUMMINS
$167.98$153.45Precision engineered for uncompromised durability and seamless integration Designed to withstand extreme temperatures and vibration for consistent performance Manufactured as a genuine OEM Cummins...$167.98$153.45 -
CUMMINS 4939500 PLAIN HOSE Original OEM part
CUMMINS
$177.18$161.86Engineered precision for uncompromised reliability Durable construction to withstand extreme operational conditions Authentic OEM component guaranteed to fit perfectly and maintain system...$177.18$161.86 -
ONAN 5032197 COOLANT HOSE ONAN Genuine OEM Part
ONAN
$45.04$41.14Authentic ONAN OEM component engineered for precise fit and lasting durability Facilitates efficient coolant circulation to regulate engine temperature and prevent overheating Designed to withstand...$45.04$41.14 -
ONAN 5032196 COOLANT HOSE ONAN Genuine OEM Part
ONAN
$35.65$32.57Certified Genuine ONAN part ensuring perfect fit and performance Facilitates efficient coolant flow to maintain engine temperature Designed to resist wear, heat, and pressure under demanding...$35.65$32.57 -
ONAN 5030249 HEATER FEET BULK HOSE Original ONAN/CUMMINS OEM part
ONAN
$21.79$19.91Precision-engineered for seamless integration in your Onan generator system Durable construction designed to withstand high temperatures and mechanical stress Ensures optimal heater function and...$21.79$19.91 -
CUMMINS 4310325 FLEXIBLE HOSE Original OEM part
CUMMINS
$2,971.83$2,714.76Engineered to maintain peak power delivery under demanding conditions High-grade flexible hose ensuring optimal flow and vibration resistance Manufactured exclusively by Cummins for guaranteed OEM...$2,971.83$2,714.76 -
CUMMINS 4078469 PLAIN HOSE CUMMINS Genuine OEM Part
CUMMINS
$72.63$66.35Authentic Cummins OEM component designed specifically for perfect fit and system compatibility. Ensures efficient fluid transfer to maintain engine and system integrity under demanding conditions...$72.63$66.35 -
CUMMINS 3923083 FLEXIBLE HOSE CUMMINS Genuine OEM Part
CUMMINS
$170.94$156.15Authentic Cummins OEM component engineered to match exact specifications Designed to provide superior flexibility and strength under high-pressure conditions Enhances coolant flow ensuring efficient...$170.94$156.15 -
ONAN 5031331 WATER HOSE ONAN Genuine OEM Part
ONAN
$25.67$23.45Authentic ONAN genuine OEM water hose designed specifically for seamless compatibility. Ensures effective coolant circulation, protecting engine integrity and preventing overheating. Resistant to...$25.67$23.45 -
ONAN 503153303 PREHEAT HOSE ONAN Genuine OEM Part
ONAN
$8.35$7.63ONAN 503-1533-03 PREHEAT HOSE is a durable rubber hose designed for preheating applications in ONAN engines. It provides reliable heat transfer essential for smooth engine starts in cold...$8.35$7.63 -
CUMMINS 3913759 FLEXIBLE HOSE Original OEM part
CUMMINS
$163.59$149.44Precision engineered to maintain your Cummins power’s heartbeat Durable, heat-resistant flexible hose built to withstand demanding engine conditions Optimal fluid transfer ensuring uninterrupted...$163.59$149.44 -
ONAN 5032970 SNAP TO CONNECTOR OIL HOSE Original ONAN/CUMMINS OEM part
ONAN
$165.76$151.42Cummins SNAP TO CONNECTOR OIL HOSE 503-2970 Discover the top-quality "SNAP TO CONNECTOR OIL HOSE" by Cummins, SKU "503-2970", at our store. Engineered for durability and seamless performance, this...$165.76$151.42 -
ONAN 5032084 RADIATOR OUTLET HOSE Original ONAN/CUMMINS OEM part
ONAN
$119.70$109.35Cummins RADIATOR OUTLET HOSE 503-2084 Discover the genuine Cummins RADIATOR OUTLET HOSE with SKU 503-2084 at our store. Expertly crafted for optimum performance and durability, our original...$119.70$109.35 -
ONAN 5032083 RADIATOR INLET HOSE Original ONAN/CUMMINS OEM part
ONAN
$63.50$58.01Cummins RADIATOR INLET HOSE 503-2083 Find the original Cummins RADIATOR INLET HOSE with SKU 503-2083 at our store. Crafted to precise specifications, this high-quality hose ensures optimal...$63.50$58.01 -
ONAN 503306201 HEATER COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$80.98$73.98Precision built for dependable power systems Durable construction for consistent heat transfer Resilient against wear and extreme temperatures 100% Genuine ONAN OEM part engineered for optimal...$80.98$73.98 -
ONAN 5032230 COOLANT HOSE ONAN Genuine OEM Part
ONAN
$27.38$25.01Certified as a Genuine ONAN OEM replacement part for guaranteed compatibility and quality.Expertly engineered to maintain efficient coolant flow, protecting your generator engine from overheating...$27.38$25.01 -
On Sale
ONAN A040V350 WATER HOSE Original ONAN/CUMMINS OEM part
ONAN
$9.76$8.56$8.92The ONAN A040V350 is a high-quality water hose made from durable rubber, crafted for optimal coolant flow. It provides reliable coolant circulation essential for preventing engine overheating...$9.76$8.56$8.92 -
CUMMINS 5263328 PLAIN HOSE Original OEM part
CUMMINS
$27.06$24.72Depend on authentic engineering crafted for uncompromising endurance Precision-fit hose designed to withstand high temperature and pressure demands Made with premium materials to ensure leak-free...$27.06$24.72 -
CUMMINS 3866019 MOLDED HOSE Original OEM part
CUMMINS
$59.93$54.74Engineered Excellence for Ultimate Durability Precision Molded Design for Perfect Fit and Function Resilient Material Built to Endure Harsh Operating Conditions 100% Genuine OEM CUMMINS...$59.93$54.74 -
ONAN 5032150 RADIATOR OUTLET HOSE ONAN Genuine OEM Part
ONAN
$149.39$136.47Guaranteed genuine ONAN OEM part for exact fit and performance. Effectively channels coolant away from the radiator to maintain ideal engine temperatures. Designed to resist heat, pressure, and...$149.39$136.47 -
ONAN 5032871 COOLANT HOSE ONAN Genuine OEM Part
ONAN
$96.13$87.81Genuine ONAN OEM replacement part ensuring exact fit and quality Maintains efficient coolant flow to protect engine components from overheating Resists wear and degradation for long-lasting...$96.13$87.81 -
ONAN 5031920 RADIATOR UPPER HOSE ONAN Genuine OEM Part
ONAN
$64.28$58.72This is an authentic ONAN OEM radiator upper hose, engineered to meet original Cummins/Onan standards. Designed to maintain optimal coolant flow, preventing overheating and supporting engine health...$64.28$58.72 -
ONAN 5031265 WATER HOSE ONAN Genuine OEM Part
ONAN
$59.76$54.59This is a Genuine OEM ONAN 503-1265 Water Hose, crafted to Cummins' strict quality standards. Designed to efficiently transport coolant within your generator's engine cooling system, ensuring...$59.76$54.59 -
ONAN 5031269 WATER HOSE ONAN Genuine OEM Part
ONAN
$28.03$25.60Genuine ONAN 503-1269 water hose crafted to Cummins Onan’s precise engineering standards. Essential for maintaining effective coolant circulation to protect your generator’s engine. Supports...$28.03$25.60 -
ONAN 5030707 HOSE ONAN Genuine OEM Part
ONAN
$4.26$3.89This is a genuine OEM ONAN 503-0707 hose made from high-quality rubber material designed for reliable fluid transfer. The hose ensures seamless connection and fluid flow within compatible ONAN...$4.26$3.89 -
ONAN A041Y125 COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$30.12$27.51Precision cooling for uncompromising performance Resilient construction resists heat and pressure Seamless fit guaranteed by genuine ONAN engineering 100% OEM part designed specifically for ONAN...$30.12$27.51