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 1102944 TEXT CYLINDER HEAD GASKET Original ONAN/CUMMINS OEM part
ONAN
$258.90$236.51Cummins TEXT CYLINDER HEAD GASKET 110-2944 Discover the superior quality of the TEXT CYLINDER HEAD GASKET by Cummins, with SKU 110-2944, available exclusively at our online store. Ensure peak...$258.90$236.51 -
ONAN 4020612 VIBRATION ISOLATOR Original ONAN/CUMMINS OEM part
ONAN
$431.50$394.18Cummins VIBRATION ISOLATOR 402-0612 Experience the ultimate performance upgrade with the original "VIBRATION ISOLATOR" by Cummins (SKU: 402-0612). Trust Cummins for unparalleled quality and...$431.50$394.18 -
ONAN 1554063 EXHAUST PIPE Original ONAN/CUMMINS OEM part
ONAN
$254.24$232.25Power your system with precision and trust – genuine ONAN engineering in every inch. Durable corrosion-resistant construction designed for long-lasting exhaust performance. Perfect OEM fit...$254.24$232.25 -
ONAN 300472104 POWER COMMAND CONTROLLER ERASABLE PROGAMMABLE READ ONLY MEMORY KIT Original ONAN/CUMMINS OEM part
ONAN
$389.25$355.58Cummins POWER COMMAND CONTROLLER ERASABLE PROGAMMABLE READ ONLY MEMORY KIT 300-4721-04 Find genuine Cummins POWER COMMAND CONTROLLER ERASABLE PROGAMMABLE READ ONLY MEMORY KIT, SKU 300-4721-04, at...$389.25$355.58 -
ONAN 193044701 WATER TEMPERATURE SENDER Original ONAN/CUMMINS OEM part
ONAN
$407.86$372.58Cummins WATER TEMPERATURE SENDER 193-0447-01 Find the genuine Cummins WATER TEMPERATURE SENDER, SKU 193-0447-01, at our store for reliable performance. Our premium quality parts ensure accurate...$407.86$372.58 -
ONAN 1660799 IGNITION COIL Original ONAN/CUMMINS OEM part
ONAN
$233.82$213.59Power your engine with precision and reliability – trust ONAN for unmatched quality. Durable ignition coil designed to deliver consistent spark and superior engine performance. Engineered for...$233.82$213.59 -
ONAN 1551111 RAIN CAP Original ONAN/CUMMINS OEM part
ONAN
$325.90$297.71Cummins RAIN CAP 155-1111 Discover the Cummins 155-1111 RAIN CAP, designed with precision and durability to ensure optimal performance of your outdoor equipment. Our store is your go-to destination...$325.90$297.71 -
ONAN 1856862 CYLINDER HEAD GASKET Original ONAN/CUMMINS OEM part
ONAN
$259.18$236.76Engineered precision for unmatched engine integrity Durable seal to withstand high temperatures and pressures Exclusive OEM part ensuring perfect fit and compatibility ONAN 185-6862 CYLINDER HEAD...$259.18$236.76 -
ONAN 5120369 PULLEY Original ONAN/CUMMINS OEM part
ONAN
$183.26$167.41Cummins PULLEY 512-0369 Find the genuine Cummins PULLEY (SKU: 512-0369) at our store, where quality meets affordability. Ensure the optimal performance of your outdoor equipment with this original...$183.26$167.41 -
ONAN 1232402 OIL TUBE Original ONAN/CUMMINS OEM part
ONAN
$151.43$138.33Cummins OIL TUBE 123-2402 Discover the genuine "OIL TUBE" by Cummins with the SKU "123-2402" at our online store. Our selection ensures top-notch quality and compatibility with your outdoor...$151.43$138.33 -
ONAN 33010440 GEN FAN Original ONAN/CUMMINS OEM part
ONAN
$465.10$424.87Precision-engineered for seamless generator cooling performance Maintains optimal engine temperature under demanding conditions Certified genuine OEM part for assured compatibility and...$465.10$424.87 -
ONAN 405594301 DOOR INSULATION Original ONAN/CUMMINS OEM part
ONAN
$148.55$135.70Cummins DOOR INSULATION 405-5943-01 Upgrade your outdoor equipment with the original "DOOR INSULATION" by Cummins, SKU 405-5943-01. Ensure a perfect fit and top-notch performance with this...$148.55$135.70 -
ONAN 155206203 RAIN CAP PREMIUM 3 INCH Original ONAN/CUMMINS OEM part
ONAN
$138.65$126.66Cummins RAIN CAP PREMIUM 3 INCH NO LONGER AVAILABLE 155-2062-03 Looking for the original Cummins RAIN CAP PREMIUM 3 INCH NO LONGER AVAILABLE Look no further! Our store is your ultimate destination...$138.65$126.66 -
ONAN 1492047 WATER SEPARATOR REPAIR KIT Original ONAN/CUMMINS OEM part
ONAN
$121.63$111.11Cummins WATER SEPARATOR REPAIR KIT 149-2047 Find the Cummins 149-2047 WATER SEPARATOR REPAIR KIT at our online store for top-quality original replacement parts. Trust in our commitment to provide...$121.63$111.11 -
ONAN 2324192 BEARING HOUSING Original ONAN/CUMMINS OEM part
ONAN
$55.69$50.88Engineered for Endurance: The ONAN 232-4192 BEARING HOUSING ensures steadfast support for critical rotating components, enhancing overall generator longevity. Precision Fit: Crafted exclusively by...$55.69$50.88 -
ONAN 1410923 VALVE AND SEAT ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$22.30$20.38Cummins VALVE AND SEAT ASSEMBLY 1410923 Discover the authentic VALVE AND SEAT ASSEMBLY by Cummins with SKU 1410923 available at our store. Ensuring topnotch quality and compatibility, this original...$22.30$20.38 -
ONAN 1492045 SEAL AND ORING KIT Original ONAN/CUMMINS OEM part
ONAN
$112.09$102.40Cummins SEAL AND O-RING KIT 149-2045 Discover the superior quality of the Cummins SEAL AND O-RING KIT (SKU: 149-2045) at our store. Engineered to exact specifications, this kit ensures a perfect fit...$112.09$102.40 -
ONAN A030J367 EXHAUST BAFFLE Original ONAN/CUMMINS OEM part
ONAN
$90.83$82.97Precision engineered for your ONAN generator’s peak efficiency Superior exhaust flow control for reduced noise and enhanced engine health Durable, heat-resistant design to withstand rigorous...$90.83$82.97 -
ONAN 191140002 STARTER MOUNTING FLANGE Original ONAN/CUMMINS OEM part
ONAN
$79.50$72.63Cummins STARTER MOUNTING FLANGE 191-1400-02 Find authentic replacement parts like the Cummins 191-1400-02 STARTER MOUNTING FLANGE at our store. Crafted with precision to ensure compatibility and...$79.50$72.63 -
ONAN 305099802 REGULATOR BRACKET Original ONAN/CUMMINS OEM part
ONAN
$60.59$55.35Cummins REGULATOR BRACKET 305-0998-02 Find the authentic Cummins REGULATOR BRACKET, SKU 305-0998-02, exclusively here. Our store stands out as the go-to destination for top-quality replacement parts...$60.59$55.35 -
ONAN 1855580 METAL CRANKSHAFT M Original ONAN/CUMMINS OEM part
ONAN
$72.59$66.31Cummins METAL CRANKSHAFT M 185-5580 Discover the genuine Cummins METAL CRANKSHAFT M, SKU 185-5580, where quality meets reliability. Our store stands out as the top choice for those seeking authentic...$72.59$66.31 -
ONAN 5032579 WATER HOSE Original ONAN/CUMMINS OEM part
ONAN
$55.05$50.29Cummins WATER HOSE 503-2579 Upgrade your lawn mower or outdoor equipment with the original WATER HOSE by Cummins (SKU: 503-2579). Look no further for top-quality replacement parts - our store offers...$55.05$50.29 -
ONAN 1302248 CAP RAD PRESSURE (TEXT) Original OEM part
ONAN
$54.12$49.44Cummins 130-2248 - CAP RAD PRESSURE (TEXT) - NO LONGER AVAILABLE MINS130-2248 Find peace of mind in knowing that you're getting genuine quality with the 130-2248 - CAP RAD PRESSURE (TEXT) - NO...$54.12$49.44 -
ONAN 5032446 ENDBELL INTAKE HOSE Original ONAN/CUMMINS OEM part
ONAN
$52.88$48.31Cummins ENDBELL INTAKE HOSE 5032446 Navigate effortlessly to our store for the genuine Cummins ENDBELL INTAKE HOSE with SKU 5032446. Crafted for superior performance and durability, this product...$52.88$48.31 -
ONAN 5032096 COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$50.09$45.76Power your life with uncompromising quality and endurance. Precision-engineered to withstand high temperature and pressure for optimal cooling system performance. Durability that ensures longevity...$50.09$45.76 -
ONAN 3090615 PRESSURE SWITCH Original ONAN/CUMMINS OEM part
ONAN
$38.59$35.26Cummins PRESSURE SWITCH 309-0615 Upgrade your outdoor equipment with the genuine Cummins PRESSURE SWITCH (SKU: 309-0615). Trust in our store for top-quality original parts that ensure optimal...$38.59$35.26 -
ONAN 502129602 BULKHEAD FITTING Original ONAN/CUMMINS OEM part
ONAN
$60.80$55.55Dependable Durability for Every Engine Precision-engineered to ensure leak-free connections Constructed with high-quality materials for extended service life 100% Genuine ONAN OEM part designed...$60.80$55.55 -
ONAN 5032177 EXHAUST HOSE Original ONAN/CUMMINS OEM part
ONAN
$40.24$36.76Engineered Precision Meets Enduring Power Durable construction designed to withstand high temperatures and harsh conditions Seamlessly integrates with your Onan generator for efficient exhaust...$40.24$36.76 -
ONAN 1492602 FUEL LINE ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$38.07$34.78Precision-engineered fuel line for uncompromised power delivery Durability designed to withstand demanding generator operations Certified genuine ONAN OEM component for guaranteed compatibility and...$38.07$34.78 -
ONAN 3383619 GAGE PANEL OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$41.96$38.33Reliability you can trust from the heart of ONAN engineering Accurate monitoring with a fully integrated gage panel Designed for seamless compatibility with your ONAN generator system 100% genuine...$41.96$38.33 -
ONAN 1021275 OIL PAN GASKET Original ONAN/CUMMINS OEM part
ONAN
$32.47$29.66Cummins OIL PAN GASKET 102-1275 Discover the genuine Cummins OIL PAN GASKET (SKU: 102-1275) crafted to perfection for seamless compatibility and performance. Made to offer a perfect fit and robust...$32.47$29.66 -
ONAN 405872102 ACCESS PANEL Original ONAN/CUMMINS OEM part
ONAN
$34.38$31.41Cummins ACCESS PANEL 405-8721-02 When it comes to finding original replacement parts like the ACCESS PANEL (SKU: 405-8721-02) for your outdoor equipment, trust in the quality and reliability of...$34.38$31.41 -
ONAN 5031898 COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$30.50$27.87Precision engineered for optimal coolant flow and engine protection. Durable construction resists heat, pressure, and wear for lasting performance. Manufactured as an authentic ONAN OEM component to...$30.50$27.87 -
ONAN 1460145 FLOAT VALVE ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$30.93$28.25Precision engineered to keep your generator running smoothly and dependably Maintains consistent coolant levels for enhanced engine protection Durable design resists wear and ensures long-lasting...$30.93$28.25 -
ONAN 1492334 FUEL LINE Original ONAN/CUMMINS OEM part
ONAN
$28.92$26.42Precision-crafted to uphold the trusted performance of your ONAN generator Durable construction designed to withstand demanding fuel system conditions Ensures consistent fuel flow for optimal...$28.92$26.42 -
ONAN 4058500 BAFFLE INSULATION Original ONAN/CUMMINS OEM part
ONAN
$28.46$26.00Secure peak generator performance with precision-engineered insulation. Optimizes heat management for enhanced engine durability. Reduces noise for quieter, more comfortable operation. Fully...$28.46$26.00 -
ONAN A028X304 OIL DIPPER Original ONAN/CUMMINS OEM part
ONAN
$25.67$23.45Cummins OIL DIPPER A028X304 When it comes to maintaining your outdoor equipment, quality replacement parts are essential. The OIL DIPPER with SKU A028X304 from Cummins is a genuine part known for...$25.67$23.45 -
ONAN 4058358 INSULATION PANEL ENDCAP Original ONAN/CUMMINS OEM part
ONAN
$31.23$28.53Cummins INSULATION PANEL ENDCAP 405-8358 Find genuine Cummins INSULATION PANEL ENDCAP with SKU 405-8358 at our store. These endcaps are crafted with precision to ensure a perfect fit for your...$31.23$28.53 -
ONAN 319381102 CONTROL MOUNTING BRACKET Original ONAN/CUMMINS OEM part
ONAN
$26.20$23.94Precision-crafted to uphold the integrity of your ONAN generator system Robust construction ensures stable control panel attachment even under harsh conditions Designed exclusively by ONAN for...$26.20$23.94 -
ONAN 5032580 WATER HOSE Original ONAN/CUMMINS OEM part
ONAN
$26.53$24.23Cummins WATER HOSE 503-2580 When it comes to sourcing original replacement parts for your outdoor equipment, our store proudly offers the genuine Cummins WATER HOSE with the product SKU 503-2580...$26.53$24.23