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 A029N818 ENCLOSURE PANEL Original ONAN/CUMMINS OEM part
ONAN
$113.69$103.86Engineered to protect, built to last—your ONAN generator’s perfect shield. Precision-crafted enclosure panel for robust defense against environmental elements. Designed for seamless integration...$113.69$103.86 -
ONAN 1490625 FUEL 1/4 INCH NPT STRAINER Original ONAN/CUMMINS OEM part
ONAN
$353.43$322.86Precision engineered for flawless fuel filtration and engine protection Maintains optimal fuel flow with 1/4 inch NPT connection for seamless integration Designed to extend fuel system life by...$353.43$322.86 -
ONAN A026D943 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$226.87$207.25Cummins INTERFACE HARNESS A026D943 As a proud retailer of original Cummins parts, we offer the INTERFACE HARNESS (SKU: A026D943) to ensure top-quality replacements for your outdoor equipment needs...$226.87$207.25 -
ONAN A032Y834 ELECTRICAL LEAD Original ONAN/CUMMINS OEM part
ONAN
$64.41$58.83Trusted Integrity in Every Connection Precision-engineered electrical lead ensuring optimal conductivity and durability Constructed to withstand harsh operating conditions typical of Onan...$64.41$58.83 -
ONAN 306427304 ELECTRICAL HELD COIL Original ONAN/CUMMINS OEM part
ONAN
$57.06$52.13Precision engineered for dependable power Robust electrical coil designed for consistent performance Durable construction ensures long service life 100% original ONAN OEM component for guaranteed...$57.06$52.13 -
ONAN A034J411 OIL DRAIN ADAPTER Original ONAN/CUMMINS OEM part
ONAN
$48.90$44.68Cummins OIL DRAIN ADAPTER A034J411 Explore our collection for the genuine Cummins OIL DRAIN ADAPTER with SKU A034J411. Easily replace your old adapter with this original part, ensuring top-notch...$48.90$44.68 -
ONAN 4055734 DOOR INSULATION Original ONAN/CUMMINS OEM part
ONAN
$285.96$261.23Cummins DOOR INSULATION 405-5734 Find original Cummins DOOR INSULATION (SKU: 405-5734) at our store. Our high-quality insulation is designed for durability and perfect fit, ensuring optimum...$285.96$261.23 -
ONAN 3384983 RELAY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$114.52$104.61Cummins RELAY HARNESS 338-4983 Find the authentic Cummins RELAY HARNESS with SKU 338-4983 here. Our store guarantees top-quality original parts to ensure optimal performance for your outdoor...$114.52$104.61 -
ONAN A026F119 CURRENT TRANSFORMER Original ONAN/CUMMINS OEM part
ONAN
$38.55$35.22Precision crafted for dependable power management Essential for accurate current sensing and control Durability designed to match ONAN generator longevity 100% OEM guaranteed for full compatibility...$38.55$35.22 -
ONAN 1491794 NOZZLE SPILL LINE Original ONAN/CUMMINS OEM part
ONAN
$83.13$75.94Cummins NOZZLE SPILL LINE 149-1794 Discover the Cummins NOZZLE SPILL LINE (SKU: 149-1794) at our store, the ultimate destination for authentic replacement parts. Crafted with precision by Cummins,...$83.13$75.94 -
ONAN 130496201 HEAT EXCHANGER CAP Original ONAN/CUMMINS OEM part
ONAN
$165.76$151.42Reliability engineered in every detail Precision fit for seamless integration in your ONAN heat exchanger system Durable construction supporting efficient engine cooling and extended equipment...$165.76$151.42 -
ONAN 5020302 ELBOW Original ONAN/CUMMINS OEM part
ONAN
$27.34$24.97Designed for precision and dependable power system optimization Engineered to enhance airflow efficiency and reduce wear 100% genuine ONAN OEM component ensuring perfect fit and function ONAN...$27.34$24.97 -
ONAN 3071193 RELAY START SOLENOID Original ONAN/CUMMINS OEM part
ONAN
$147.48$134.73Cummins RELAY START SOLENOID 307-1193 Offering the Cummins RELAY START SOLENOID (SKU: 307-1193), our store ensures that you receive the authentic part to keep your outdoor equipment running smoothly...$147.48$134.73 -
ONAN A030N949 SWITCH Original OEM part
ONAN
$236.54$216.08Cummins A030N949 - SWITCH - NO LONGER AVAILABLE MINSA030N949 Find the elusive Cummins A030N949 Switch, a now discontinued part essential for your equipment, at our store. Our commitment to offering...$236.54$216.08 -
ONAN A043U421 AIR DUCT Original ONAN/CUMMINS OEM part
ONAN
$113.45$103.64Engineered excellence for enduring power transmission Precisely designed airflow management to maintain optimal engine temperature Durable, heat-resistant construction for extended service...$113.45$103.64 -
ONAN 4161071 BATTERY TRAY Original ONAN/CUMMINS OEM part
ONAN
$250.84$229.14Engineered for steadfast support – your generator’s battery lifeline Constructed from high-grade materials to resist corrosion and wear Certified genuine OEM Cummins/Onan part for seamless...$250.84$229.14 -
ONAN 1554981 EXHAUST GASKET Original ONAN/CUMMINS OEM part
ONAN
$85.62$78.21Precision sealing for reliable engine performance Durable material engineered to withstand high-temperature exhaust gases Authentic OEM quality guaranteeing perfect fit and compatibility ONAN...$85.62$78.21 -
ONAN 1140366 OIL DIPPER Original ONAN/CUMMINS OEM part
ONAN
$156.10$142.60Cummins OIL DIPPER 114-0366 Find the authentic "OIL DIPPER" by Cummins with SKU "114-0366" at our store, the ultimate destination for original replacement parts. Crafted with the highest quality...$156.10$142.60 -
ONAN A026G053 DISPLAY PANEL HEATER Original ONAN/CUMMINS OEM part
ONAN
$213.24$194.79Experience unmatched durability and precision engineering tailored for your ONAN generator. Maintain flawless operation with enhanced panel temperature regulation in challenging environments...$213.24$194.79 -
ONAN A034C665 760453 V BAND EXHUAST CLAMP Original ONAN/CUMMINS OEM part
ONAN
$172.23$157.33Engineered endurance for dependable power every time Precision-fit V Band Exhaust Clamp ensures a secure and leak-free exhaust connection Corrosion-resistant materials designed for longevity under...$172.23$157.33 -
ONAN 3350289 50 FOOT CORD ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$159.03$145.27Precision-engineered for seamless power transmission Durable insulation ensures long-lasting safety and reliability Genuine OEM component designed specifically for Onan generator systems ONAN...$159.03$145.27 -
ONAN 3384219 AC 3 PHASE HARNESS Original OEM part
ONAN
$103.00$94.10Cummins 338-4219 - AC 3 PHASE HARNESS - - NO LONGER AVAILABLE MINS338-4219 Experience the superior quality of the Cummins 338-4219 AC 3 PHASE HARNESS with our online store. Though this product is no...$103.00$94.10 -
ONAN A034F513 HOSE Original ONAN/CUMMINS OEM part
ONAN
$108.93$99.51Engineered to deliver uncompromising durability and seamless integration. Precision-fit design ensures optimal fluid flow and leak prevention. Constructed from top-grade materials to withstand harsh...$108.93$99.51 -
ONAN A034F511 HOSE Original ONAN/CUMMINS OEM part
ONAN
$63.05$57.60Precision crafted to power your peace of mind Durable construction delivers superior resistance against wear and heat Designed for seamless integration with ONAN generator systems Authentic OEM part...$63.05$57.60 -
ONAN J0503019604 1/4 IN RUBBER VENTILATOR LINE HOSE Original ONAN/CUMMINS OEM part
ONAN
$109.10$99.67Precision-engineered for seamless integration with your Onan power solution Durable rubber construction ensures long-lasting ventilation efficiency Designed to maintain optimal engine breathing and...$109.10$99.67 -
ONAN A034U948 FUSE HOLDER Original ONAN/CUMMINS OEM part
ONAN
$109.35$99.89Reliable circuit protection crafted to safeguard your power system's integrity. Durable construction designed to withstand demanding operational conditions. Precision-engineered OEM component from...$109.35$99.89 -
ONAN 1220944 OIL FILTER ADAPTER Original ONAN/CUMMINS OEM part - - SUPERSEDED FROM A052B594
ONAN
$170.38$155.65Cummins OIL FILTER ADAPTER 122-0944 Discover the genuine Cummins OIL FILTER ADAPTER with SKU 122-0944 to ensure optimal performance for your outdoor equipment. Our store offers the best price and...$170.38$155.65 -
ONAN 4059659 INSULATION DOOR Original ONAN/CUMMINS OEM part
ONAN
$207.16$189.24Cummins INSULATION DOOR NO LONGER AVAILABLE 405-9659 When it comes to genuine replacement parts like the "INSULATION DOOR NO LONGER AVAILABLE" by Cummins, our store is your top choice. With the SKU...$207.16$189.24 -
ONAN 3385065 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$79.75$72.85Precision crafted for dependable generator heating solutions Robust wiring ensures consistent heater operation under all conditions Fully compatible with Onan generator systems, guaranteeing...$79.75$72.85 -
ONAN 319382802 MOUNTING PANEL Original ONAN/CUMMINS OEM part
ONAN
$69.20$63.22Cummins MOUNTING PANEL 319-3828-02 Explore our online store for the original "MOUNTING PANEL" by Cummins, SKU 319-3828-02. Our store is your ultimate destination for genuine replacement parts. With...$69.20$63.22 -
ONAN A031A968 GUU300000 CONTROL PANEL CUM Original ONAN/CUMMINS OEM part
ONAN
$55.07$50.31Engineered for Excellence: Precision Control at Your Fingertips Robust Compatibility: Perfectly integrates with your Onan generator system Intuitive Operation: Simple interface ensures effortless...$55.07$50.31 -
ONAN A034E038 512X50 20MM FIBRE BOARD Original ONAN/CUMMINS OEM part
ONAN
$106.32$97.12Precision engineered for reliable power continuity Durable 20mm fiber board crafted for lasting stability under demanding operating conditions Certified genuine OEM part from ONAN ensuring optimal...$106.32$97.12 -
ONAN 1304870 BELT GUARD Original ONAN/CUMMINS OEM part
ONAN
$139.02$126.99Cummins BELT GUARD 130-4870 Discover the authentic Cummins BELT GUARD with SKU 130-4870 at our online store. Engineered for durability and precision, our original replacement part ensures optimal...$139.02$126.99 -
ONAN 149248403 FLEXIBLE FUEL LINE Original ONAN/CUMMINS OEM part
ONAN
$41.59$38.00Cummins FLEXIBLE FUEL LINE 149-2484-03 Find the perfect fit with the original "FLEXIBLE FUEL LINE" by Cummins, SKU 149-2484-03, now available at our store. Engineered for durability and precise...$41.59$38.00 -
ONAN 140351202 AIR CLEANER TIE BRACKET Original ONAN/CUMMINS OEM part
ONAN
$230.84$210.87Engineered precision for uncompromising durability. Ensures optimal air intake stability under demanding conditions. Crafted exclusively as an OEM component for full brand compatibility. ONAN...$230.84$210.87 -
ONAN 501059701 FLEXIBLE HOSE Original ONAN/CUMMINS OEM part
ONAN
$125.00$114.19Unrivaled durability for dependable power delivery Precision-engineered flexible hose for optimal fit and function Designed by ONAN for guaranteed compatibility and safety Certified OEM quality...$125.00$114.19 -
ONAN A026F705 THERMOSTAT HOUSING Original ONAN/CUMMINS OEM part
ONAN
$225.89$206.35Cummins THERMOSTAT HOUSING A026F705 When searching for genuine THERMOSTAT HOUSING parts, look no further than our store for the ultimate solution. With the top-quality Cummins brand and SKU...$225.89$206.35 -
ONAN A034M582 RADIATOR GASKET Original ONAN/CUMMINS OEM part
ONAN
$52.20$47.69Cummins RADIATOR GASKET A034M582 Discover the reliable solution for your outdoor equipment with the original Cummins RADIATOR GASKET (SKU: A034M582). Our store offers the best price guarantee for...$52.20$47.69 -
ONAN A030Y564 C43200601 LE FUEL SENDER Original ONAN/CUMMINS OEM part
ONAN
$190.59$174.11Cummins C43200601 LE FUEL SENDER A030Y564 Discover the Cummins C43200601 LE FUEL SENDER, SKU A030Y564, exclusively at our online store. Engineered to precision, this original replacement part...$190.59$174.11 -
ONAN 403678802 ENGINE MOUNTING ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$81.30$74.27Cummins ENGINE MOUNTING ASSEMBLY 403-6788-02 Discover the genuine Cummins ENGINE MOUNTING ASSEMBLY, SKU 403-6788-02, exclusively available at our store. Our commitment to providing original...$81.30$74.27