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
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CUMMINS 3931523 MOLDED HOSE Original OEM part
CUMMINS
$55.50$50.70Engineered to exceed expectations in durability and precision fit Designed for seamless integration with Cummins engines Ensures optimal fluid flow and reduces system stress Certified genuine OEM...$55.50$50.70 -
CUMMINS 3687121 FLEXIBLE HOSE Original OEM part
CUMMINS
$184.60$168.64Trusted durability tailored for peak engine performance Precision-engineered to maintain optimal fluid transfer and system integrity Designed exclusively as a genuine OEM Cummins component for...$184.60$168.64 -
ONAN 5032500 COOLANT HOSE ONAN Genuine OEM Part
ONAN
$94.88$86.68Genuine OEM ONAN 503-2500 coolant hose engineered for full system compatibility Ensures efficient coolant flow to maintain optimal engine temperature and prevent overheating Durable construction...$94.88$86.68 -
ONAN 5031954 LOWER RADIATOR HOSE ONAN Genuine OEM Part
ONAN
$67.19$61.38ONAN 503-1954 lower radiator hose made from high-quality rubber for optimal heat resistance and flexibility. Designed to efficiently transport coolant between the radiator and engine to prevent...$67.19$61.38 -
ONAN 5031266 TEXT WATER HOSE ONAN Genuine OEM Part
ONAN
$46.04$42.06Genuine ONAN OEM component designed to meet exact Cummins specifications Ensures efficient coolant flow to maintain ideal engine operating temperatures Durable, heat-resistant construction tailored...$46.04$42.06 -
ONAN 5031284 WATER HOSE ONAN Genuine OEM Part
ONAN
$34.38$31.41Guaranteed genuine OEM ONAN part crafted for exact fit and function Ensures consistent coolant flow to regulate engine temperature efficiently Designed to withstand demanding conditions and resist...$34.38$31.41 -
CUMMINS 5573247 HOSE DNS TST Original OEM part - SUPERSEDED FROM 3164621
CUMMINS
$632.25$577.56Precision-engineered for uncompromising reliability in demanding environments Durable construction designed to optimize fluid transfer and withstand high pressure Certified genuine OEM Cummins part...$632.25$577.56 -
ONAN A060J551 FUEL HOSE ONAN Genuine OEM Part
ONAN
$13.40$12.25Genuine ONAN OEM component engineered for precise fit and long-lasting performance Provides secure and efficient fuel delivery to maintain engine reliability Resistant to wear, heat, and fuel...$13.40$12.25 -
CUMMINS 5448843 PLAIN HOSE Original OEM part
CUMMINS
$5.12$4.67Power your system with uncompromised durability and precision. Designed for perfect fit and optimal fluid flow in demanding conditions. Resistant to wear, ensuring long-lasting service life and...$5.12$4.67 -
CUMMINS 5318807 FLEXIBLE HOSE Original OEM part
CUMMINS
$163.00$148.91Precision engineered for lasting performance and engine integrity Exceptional flexibility and resilience to withstand demanding operating conditions 100% genuine OEM component ensuring perfect fit...$163.00$148.91 -
CUMMINS 3632337 FLEXIBLE HOSE CUMMINS Genuine OEM Part
CUMMINS
$958.19$875.31Certified as a Genuine Cummins OEM Part, engineered to meet rigorous quality standards. Designed to maintain optimal fluid flow and resist high-pressure conditions under demanding engine...$958.19$875.31 -
ONAN A034C692 HOSE 3.0 CHARGE AIR COOLER HUMP 140461 Original ONAN/CUMMINS OEM part
ONAN
$217.48$198.67Precision engineered for seamless integration and dependable performance. Durable construction ensures long-lasting operation under demanding conditions. Optimizes charge air cooling to improve...$217.48$198.67 -
ONAN 5031921 LOWER ENGINE HOSE ONAN Genuine OEM Part
ONAN
$67.46$61.63The ONAN 503-1921 lower engine hose is a high-quality rubber hose designed as a genuine OEM replacement part for ONAN engines. This hose facilitates coolant flow, ensuring proper temperature...$67.46$61.63 -
ONAN 5031922 FILLER NECK HOSE ONAN Genuine OEM Part
ONAN
$38.75$35.40The ONAN 503-1922 filler neck hose is made from high-grade rubber ensuring OEM quality and fit. Provides a secure and leak-proof connection for fuel systems in Hustler equipment. Constructed...$38.75$35.40 -
ONAN 5032750 TOP RADIATOR HOSE Original ONAN/CUMMINS OEM part
ONAN
$47.58$43.47Precision-engineered cooling solution: tailored to optimize your generator's thermal management. Durable construction: designed to withstand high temperatures and harsh operating conditions...$47.58$43.47 -
ONAN 5032553 COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$27.34$24.97Precision-engineered for seamless integration and optimum cooling efficiency Durable construction withstands high temperatures and pressure fluctuations 100% Genuine OEM ONAN part designed for full...$27.34$24.97 -
ONAN 503276706 FUEL HOSE ONAN Genuine OEM Part
ONAN
$20.53$18.75Guaranteed Genuine OEM Onan Component for peak generator compatibility Ensures precise and consistent fuel flow for uninterrupted engine operation Constructed for resistance against heat, vibration,...$20.53$18.75 -
ONAN 502136701 HOSE CONNECTOR Original ONAN/CUMMINS OEM part
ONAN
$7.87$7.19Cummins HOSE CONNECTOR 502-1367-01 Find the authentic "HOSE CONNECTOR" with SKU "502-1367-01" from the renowned brand Cummins at our store. It is crafted with precision to ensure a perfect fit and...$7.87$7.19 -
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ONAN A044A614 RADIATOR HOSE Original ONAN/CUMMINS OEM part
ONAN
$22.22$17.78$20.29The ONAN A044A614 radiator hose is made from high-quality rubber, ensuring durability and flexibility in engine cooling systems. This hose efficiently channels coolant to regulate engine...$22.22$17.78$20.29 -
ONAN A042P197 OIL HOSE ONAN Genuine OEM Part
ONAN
$150.50$137.49Certified Genuine ONAN part built to Cummins exacting standards Ensures optimal oil circulation for efficient lubrication of engine components Designed to withstand high temperatures and pressure...$150.50$137.49 -
CUMMINS 4982340 PLAIN HOSE COUPLING CUMMINS Genuine OEM Part
CUMMINS
$12.17$11.12Genuine OEM component designed by Cummins for superior compatibility and durability Ensures secure and leak-proof hose connections within your power system Engineered to maintain efficient fluid...$12.17$11.12 -
CUMMINS 4019329 MOLDED HOSE Original OEM part
CUMMINS
$75.83$69.27Engineered Excellence Meets Dependable Performance Precision Molded Design ensures optimal fluid flow and durability under demanding conditions Heat and Chemical Resistant Materials safeguard your...$75.83$69.27 -
CUMMINS 3349381 FLEXIBLE HOSE Original OEM part
CUMMINS
$673.26$615.02Engineered for Excellence: Experience unmatched reliability and strength with every connection. Enhanced Durability: Designed to withstand high temperatures and pressures, ensuring continuous...$673.26$615.02 -
ONAN 5030752 RADIATOR HOSE Original ONAN/CUMMINS OEM part
ONAN
$414.98$379.09Cummins RADIATOR HOSE 503-0752 Ensure your outdoor equipment stays in top condition with the original "RADIATOR HOSE" from Cummins, SKU "503-0752". Our store is your go-to choice for genuine...$414.98$379.09 -
ONAN 5032149 RADIATOR INLET HOSE Original ONAN/CUMMINS OEM part
ONAN
$100.87$92.15Cummins RADIATOR INLET HOSE 503-2149 Step up your equipment's performance with the authentic Cummins RADIATOR INLET HOSE (SKU: 503-2149). Crafted to precision, this essential part ensures optimal...$100.87$92.15 -
ONAN 503200301 RADIATOR INLET HOSE Original ONAN/CUMMINS OEM part
ONAN
$112.39$102.67Cummins RADIATOR INLET HOSE 503-2003-01 Ensure your outdoor equipment runs smoothly with the Cummins RADIATOR INLET HOSE (SKU: 503-2003-01). Crafted with precision and durability, this original...$112.39$102.67 -
ONAN 5031170 HOSE ONAN Genuine OEM Part
ONAN
$82.53$75.39This is a genuine OEM ONAN 503-1170 hose made from durable rubber and reinforced materials. It functions as a critical fluid conduit within compatible Hustler machinery. Constructed for...$82.53$75.39 -
ONAN 5032162 COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$20.76$18.97Dependable cooling starts with precision-engineered components Engineered for impeccable durability under demanding operating conditions Specifically crafted to maintain optimal coolant circulation...$20.76$18.97 -
ONAN 5031923 OVERFLOW HOSE ONAN Genuine OEM Part
ONAN
$14.67$13.40This is a genuine OEM ONAN 503-1923 Overflow Hose made from durable, high-grade rubber material. Specifically designed to safely channel overflow fluids and maintain system integrity in Hustler...$14.67$13.40 -
ONAN 5032079 OIL RESISTANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$10.22$9.33Cummins OIL RESISTANT HOSE 503-2079 The Cummins OIL RESISTANT HOSE with the SKU 503-2079 is a top-quality replacement part that offers durability and reliability for your outdoor equipment. At our...$10.22$9.33 -
ONAN 502136705 HOSE CONNECTOR ONAN Genuine OEM Part
ONAN
$8.28$7.57Genuine ONAN OEM component assuring perfect fit and compatibility Facilitates secure and leak-free connection between hose components Designed to withstand high pressure and temperature variations...$8.28$7.57 -
ONAN 5051572 HOSE CONNECTOR WITH SEALANT ONAN Genuine OEM Part
ONAN
$8.50$7.77100% Genuine ONAN OEM hose connector ensuring perfect fit and compatibility Designed to provide superior sealing and prevent leaks in fuel and coolant lines Enhances the overall efficiency and...$8.50$7.77 -
ONAN A060H973 FUEL HOSE ONAN Genuine OEM Part
ONAN
$47.50$43.40100% Genuine ONAN OEM fuel hose engineered for perfect fit and maximum durability Delivers reliable fuel flow to maintain consistent engine performance under all conditions Resistant to heat,...$47.50$43.40 -
ONAN A059N681 FUEL HOSE ONAN Genuine OEM Part
ONAN
$100.34$91.66This ONAN A059N681 Fuel Hose is an authentic OEM replacement part designed specifically to meet Cummins/Onan generator standards. Engineered to deliver consistent and leak-free fuel delivery for...$100.34$91.66 -
ONAN A046Z563 INTAKE HOSE Original ONAN/CUMMINS OEM part
ONAN
$12.32$11.25Cummins INTAKE HOSE A046Z563 Navigate through our curated selection to explore the "INTAKE HOSE" by Cummins, SKU A046Z563. Crafted with precision and durability in mind, this original replacement...$12.32$11.25 -
CUMMINS 63495 PLAIN HOSE Original OEM part
CUMMINS
$33.85$30.92Engineered Reliability Meets Enduring Performance Robust construction ensuring superior fluid transfer and leak resistance Precision engineered to fit seamlessly with Cummins power systems Certified...$33.85$30.92 -
CUMMINS 5347756 PLAIN HOSE Original OEM part
CUMMINS
$60.93$55.66Engineered Precision for Reliable Power Delivery Durable Material Designed to Endure Harsh Operating Conditions Guaranteed Perfect Fit as an Authentic Cummins OEM Component The CUMMINS 5347756...$60.93$55.66 -
CUMMINS 5267681 FLEXIBLE HOSE Original OEM part
CUMMINS
$99.04$90.47Engineered to deliver unmatched fluid transfer precision for Cummins power solutions Durable construction ensures long-lasting resilience under extreme conditions Flexible design minimizes vibration...$99.04$90.47 -
CUMMINS 4918434 LEAK TEST HOSE Original OEM part
CUMMINS
$216.18$197.48Engineered for uncompromising leak detection accuracy to protect your Cummins power units Durable construction ensures extended service life even under demanding conditions Manufactured as a genuine...$216.18$197.48 -
CUMMINS 3973018 MOLDED HOSE Original OEM part
CUMMINS
$71.58$65.39Precision engineered durability for peak system efficiency Resilient molded design tailored to withstand demanding engine conditions 100% OEM authenticity guarantees perfect fit and uncompromised...$71.58$65.39