OLD PARTS
Genuine Old Parts for Onan, Cummins & Fleetguard Diesel Engines
Find authentic old parts tailored for Onan, Cummins, and Fleetguard power engines. Our collection of genuine replacement components ensures your diesel equipment operates with maximum efficiency and durability.
Old Parts for Reliable Diesel Engine Maintenance
We offer a comprehensive range of authentic old parts, including core engine components, seals, filters, and more—all crafted to meet strict quality standards. Each part is designed to restore and maintain the optimal performance of your diesel engines.
- Genuine Quality: Certified original parts to guarantee compatibility and longevity.
- Wide Selection: Extensive inventory covering key Onan, Cummins, and Fleetguard models.
- Trusted Performance: Enhance engine reliability with parts engineered for power and endurance.
Why Choose Our Old Parts? We provide expert-vetted, genuine parts that ensure your diesel engines run smoother and last longer, backed by our commitment to quality and customer satisfaction.
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ONAN 4058645 HEAD INSULATION RETAINER Original ONAN/CUMMINS OEM part
ONAN
$159.10$145.34Precision-engineered protection for your power system Durable insulation retention to ensure consistent engine temperature control Authentic ONAN OEM component designed for seamless compatibility...$159.10$145.34 -
ONAN 130517902 RADIATOR TUBE Original ONAN/CUMMINS OEM part
ONAN
$742.92$678.65Cummins RADIATOR TUBE 130-5179-02 Upgrade your outdoor equipment with the original Cummins RADIATOR TUBE, SKU 130-5179-02, ensuring top performance and longevity. Our store stands out as the prime...$742.92$678.65 -
ONAN A030Z263 CU54T021 WINDOW CONTROL DOOR Original ONAN/CUMMINS OEM part
ONAN
$21.72$19.84Engineered to perfection for seamless generator operation Precision-fit window control door ensuring optimal airflow and protection Durability that supports long-term generator health and...$21.72$19.84 -
ONAN 302205803 CURRENT TRANSFORMER Original ONAN/CUMMINS OEM part
ONAN
$295.58$270.02Precision engineering for uncompromising power control Exceptional current sensing accuracy for optimized generator function Designed and manufactured as a genuine OEM Onan component ONAN...$295.58$270.02 -
ONAN 1930006 OIL PRESSURE GAUGE Original ONAN/CUMMINS OEM part
ONAN
$154.45$141.09Precision Monitoring for Peak Performance – Keep your engine running smoothly with accurate oil pressure readings. Durable Construction for Long-Lasting Use – Built to withstand harsh engine...$154.45$141.09 -
ONAN 319424902 BATTERY CHARGER BRACKET Original ONAN/CUMMINS OEM part
ONAN
$24.80$22.66Engineered Precision for Lasting Stability Robust support ensuring secure battery charger mounting Enhances system reliability by preventing vibrations and wear 100% genuine OEM ONAN component for...$24.80$22.66 -
ONAN 306431107 REPLACEMENT COIL Original ONAN/CUMMINS OEM part
ONAN
$27.25$24.89Cummins REPLACEMENT COIL 306-4311-07 Find the ultimate REPLACEMENT COIL with SKU 306-4311-07 from the renowned brand Cummins in our store. Our replacement parts are guaranteed original, ensuring...$27.25$24.89 -
ONAN 503235305 HOSE FUEL LOW PRESSURE Original ONAN/CUMMINS OEM part
ONAN
$163.25$149.13Cummins HOSE FUEL LOW PRESSURE 503-2353-05 Find the authentic Cummins HOSE FUEL LOW PRESSURE with SKU 503-2353-05 at our store. Designed for durability and high performance, this replacement part...$163.25$149.13 -
ONAN 155235503 EXHAUST TUBE 1.5 INCH FLEXIBLE ACCESSORY Original ONAN/CUMMINS OEM part
ONAN
$273.88$250.19Precision-engineered for dependable power delivery. Flexible design to withstand vibrations and temperature variations. 100% genuine OEM part ensuring full compatibility with ONAN systems. ONAN...$273.88$250.19 -
ONAN A034B640 TRANSFORMER CURRENT 600:5 RD Original OEM part
ONAN
$172.99$158.03Cummins A034B640 - TRANSFORMER CURRENT 600:5 RD - NO LONGER AVAILABLE MINSA034B640 Discover the rare and original A034B640 - TRANSFORMER CURRENT 600:5 RD - NO LONGER AVAILABLE, brought to you by...$172.99$158.03 -
ONAN A032Y818 ELECTRICAL LEAD Original ONAN/CUMMINS OEM part
ONAN
$75.50$68.97Precision-engineered electrical continuity for your power system’s heartbeat Durable construction designed to withstand demanding electrical loads Seamless integration ensuring consistent generator...$75.50$68.97 -
ONAN 319283004 BOX CONTROL ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$161.02$147.09Precision control for dependable power delivery inspired by Cummins engineering excellence Robust construction ensures enduring performance under demanding conditions Maintains system integrity and...$161.02$147.09 -
ONAN A026K706 CRANKSHAFT PULLEY Original ONAN/CUMMINS OEM part
ONAN
$99.87$91.23Empowering Your Generator with Every Turn Precision-balanced crankshaft pulley for smooth engine operation Durable construction designed to withstand demanding generator cycles 100% Genuine ONAN OEM...$99.87$91.23 -
ONAN 338385704 MAIN HARNESS Original ONAN/CUMMINS OEM part
ONAN
$4,301.61$3,929.52Cummins MAIN HARNESS 338-3857-04 Explore the top-tier quality of the "MAIN HARNESS" by Cummins, with SKU "338-3857-04" available at our store. Our unmatched collection of original replacement parts...$4,301.61$3,929.52 -
ONAN A034F525 HOSE Original ONAN/CUMMINS OEM part
ONAN
$101.40$92.63Precision-engineered to maintain optimal fluid flow and system integrity. Durable construction for long-lasting service in demanding environments. Authentic OEM part from Cummins Onan to ensure...$101.40$92.63 -
ONAN 4055993 DUCT COVER Original ONAN/CUMMINS OEM part
ONAN
$129.08$117.92Engineered Precision for Lasting Reliability Designed to Optimize Airflow and Protect Vital Components Durable Construction Ensuring Long-Term Performance 100% Genuine ONAN OEM Part Guaranteed for...$129.08$117.92 -
ONAN 1306921 RADIATOR BRACKET Original ONAN/CUMMINS OEM part
ONAN
$220.07$201.04Cummins RADIATOR BRACKET 130-6921 Find the perfect match for your outdoor equipment with the original Cummins RADIATOR BRACKET, SKU 130-6921. Our store offers this genuine part at the best price...$220.07$201.04 -
ONAN A026J739 MOUNTING BRACKET Original ONAN/CUMMINS OEM part
ONAN
$56.34$51.47Cummins MOUNTING BRACKET A026J739 Discover the genuine Cummins MOUNTING BRACKET with product SKU A026J739, crafted for precision and durability. Our store is your ultimate destination for authentic...$56.34$51.47 -
ONAN 3383859 MAIN HARNESS Original ONAN/CUMMINS OEM part
ONAN
$268.32$245.11Cummins MAIN HARNESS 338-3859 Your search for an authentic MAIN HARNESS ends here with the Cummins 338-3859. Crafted to ensure optimal performance and durability, this genuine part is a perfect fit...$268.32$245.11 -
ONAN 337351302 NEUTRAL BUSBAR Original ONAN/CUMMINS OEM part
ONAN
$147.20$134.47Cummins NEUTRAL BUSBAR 337-3513-02 Discover the authentic Cummins NEUTRAL BUSBAR, SKU 337-3513-02, available at our store. Crafted with precision to ensure optimal performance and durability. Trust...$147.20$134.47 -
ONAN 3197275 DOOR ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$164.33$150.11Engineered for endurance, designed for precision Robust construction ensures secure housing of essential generator components Seamless compatibility with Onan generator models guarantees easy...$164.33$150.11 -
ONAN 3063030 CHUTE ARC Original ONAN/CUMMINS OEM part
ONAN
$221.76$202.58Cummins CHUTE ARC 306-3030 When it comes to finding authentic replacement parts for your outdoor equipment, look no further than our store. Our CHUTE ARC, SKU 306-3030 by Cummins, guarantees...$221.76$202.58 -
ONAN A034V082 EXHAUST GASKET Original ONAN/CUMMINS OEM part
ONAN
$29.88$27.30Precision sealing for uninterrupted power delivery Exceptional heat resistance for long service life Crafted as a genuine OEM component to guarantee fit and function Designed specifically for Onan...$29.88$27.30 -
ONAN 987313 WITHSTAND RATING LABEL Original ONAN/CUMMINS OEM part
ONAN
$4.65$4.25Cummins WITHSTAND RATING LABEL 98-7313 Find the original Cummins WITHSTAND RATING LABEL, SKU 98-7313, at our store. This label is crucial for identifying the withstand rating of your outdoor...$4.65$4.25 -
ONAN 1491150 FUEL INJECTOR LINE Original ONAN/CUMMINS OEM part
ONAN
$145.70$133.10Exceed expectations with precision-engineered fuel delivery. Durable construction ensures longevity under demanding conditions. Designed exclusively as an OEM component for full system compatibility...$145.70$133.10 -
ONAN A034F521 HOSE Original ONAN/CUMMINS OEM part
ONAN
$97.22$88.81Reliability begins with authentic components engineered for excellence Precision molded for exact fit and superior longevity under demanding conditions Constructed from high-quality materials to...$97.22$88.81 -
ONAN 3385270 LOAD SHED HARNESS Original ONAN/CUMMINS OEM part
ONAN
$182.69$166.89Cummins LOAD SHED HARNESS 338-5270 Our online store offers the Cummins LOAD SHED HARNESS with product SKU 338-5270, ensuring you receive the original part you need for your outdoor equipment. With...$182.69$166.89 -
ONAN 337362908 BREAKER BUSBAR Original ONAN/CUMMINS OEM part
ONAN
$229.98$210.09Precision-crafted for unparalleled power system integrity Robust breaker busbar delivering consistent electrical connectivity Durable design engineered to withstand harsh power demands Guaranteed...$229.98$210.09 -
ONAN 503235308 HOSE FUEL LOW PRESSURE Original ONAN/CUMMINS OEM part
ONAN
$77.25$70.57Cummins HOSE FUEL LOW PRESSURE 503-2353-08 Get the genuine Cummins HOSE FUEL LOW PRESSURE with SKU 503-2353-08 from our store. We guarantee original replacement parts for your lawn mower and outdoor...$77.25$70.57 -
ONAN 337362907 BREAKER BUSBAR Original ONAN/CUMMINS OEM part
ONAN
$216.83$198.07Precision-engineered for dependable power integrity with every operation Robust construction ensuring seamless current flow and enhanced durability Direct OEM part guaranteeing perfect fit and...$216.83$198.07 -
ONAN 332344708 TERMINAL BLOCK PLUG Original ONAN/CUMMINS OEM part
ONAN
$23.07$21.08Cummins TERMINAL BLOCK PLUG 332-3447-08 Discover the top-tier "TERMINAL BLOCK PLUG" by Cummins, SKU 332-3447-08, exclusively at our store. Rest assured with original quality and precise fit for your...$23.07$21.08 -
ONAN 323160503 PLUG CONNECTOR Original ONAN/CUMMINS OEM part
ONAN
$181.25$165.57Cummins PLUG CONNECTOR 323-1605-03 Find your original PLUG CONNECTOR - SKU 323-1605-03 by Cummins at our online store for top-notch quality and ideal compatibility. Engineered to deliver superior...$181.25$165.57 -
ONAN 404018302 END CAP PANEL Original ONAN/CUMMINS OEM part
ONAN
$60.13$54.93Engineered for Endurance: Experience unmatched durability crafted to protect your generator's core components. Precision Fit: Designed exclusively by ONAN for seamless integration ensuring optimal...$60.13$54.93 -
ONAN 1220837 OIL FILTER ADAPTER (MACHINING) Original ONAN/CUMMINS OEM part
ONAN
$174.18$159.12Cummins OIL FILTER ADAPTER (MACHINING) 122-0837 Discover the genuine Cummins OIL FILTER ADAPTER (MACHINING) with SKU 122-0837 at our online store. Expertly crafted to ensure optimal performance and...$174.18$159.12 -
ONAN 130508202 BRACKET WATER INLET LOW TEMPERATURE AFTERCOOLING Original ONAN/CUMMINS OEM part
ONAN
$122.02$111.46Precision-engineered for peak aftercooling efficiency Enhances engine longevity through optimal water inlet support Durably crafted as an OEM component by ONAN to ensure perfect fit and...$122.02$111.46 -
ONAN 405983303 ENCLOSURE COVER Original ONAN/CUMMINS OEM part
ONAN
$143.40$131.00Engineered to protect, built to last – trust the power behind every Onan system. Robust enclosure cover crafted for superior environmental shielding and mechanical stability. Precisely designed to...$143.40$131.00 -
ONAN 1855565 IDLE GEAR SHAFT Original ONAN/CUMMINS OEM part
ONAN
$107.44$98.15Cummins IDLE GEAR SHAFT 185-5565 With the Cummins IDLE GEAR SHAFT (SKU: 185-5565), find top-notch original replacement parts for your lawn mower or outdoor equipment. Our store specializes in...$107.44$98.15 -
ONAN A034F903 HEAT SHIELD Original ONAN/CUMMINS OEM part
ONAN
$50.10$45.77Engineered for unmatched heat deflection—protect critical engine components from excessive temperatures. Durability and precision fit ensure optimal compatibility and extended service life...$50.10$45.77 -
ONAN 319552002 CHANNEL SUPPORT AC BOX Original ONAN/CUMMINS OEM part
ONAN
$217.95$199.10Cummins CHANNEL SUPPORT AC BOX 319-5520-02 Explore top-notch quality with the CHANNEL SUPPORT AC BOX by Cummins. Offering the SKU 319-5520-02, we guarantee genuine replacement parts that ensure...$217.95$199.10 -
ONAN 1866278 G FUEL FILTER ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$145.73$133.12Precision-engineered filtration for uncompromised fuel purity Ensures smooth engine operation and extends generator life Genuine OEM part crafted by ONAN for guaranteed compatibility and...$145.73$133.12