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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
ONAN A028Z282 CHARGE TUBE Original ONAN/CUMMINS OEM part
ONAN
$125.17$114.34Power your generator with precision-engineered reliability. Designed to maintain ideal airflow for optimal engine performance. Durable construction assures long-lasting service even under demanding...$125.17$114.34 -
ONAN 3072955 FUEL SHUTOFF VALVE Original ONAN/CUMMINS OEM part
ONAN
$174.20$159.14Precision-engineered to safeguard your power system’s heart. Seamless fuel flow control for dependable generator starts and stops. Robust design made to endure demanding operational conditions. 100%...$174.20$159.14 -
ONAN 319650002 LEFT PANEL TERMINAL Original ONAN/CUMMINS OEM part
ONAN
$144.24$131.76Cummins LEFT PANEL TERMINAL 319-6500-02 Find the authentic Cummins LEFT PANEL TERMINAL with SKU 319-6500-02 at our store. Ensure top-notch quality and compatibility with your equipment. Experience...$144.24$131.76 -
ONAN A029F645 PANEL INSULATION Original ONAN/CUMMINS OEM part
ONAN
$33.81$30.88Cummins PANEL INSULATION A029F645 Discover the genuine Cummins PANEL INSULATION, SKU A029F645, available at our store. Crafted to precise specifications, this high-quality part is the perfect...$33.81$30.88 -
ONAN 404003302 PANEL INSULATION Original ONAN/CUMMINS OEM part
ONAN
$228.30$208.56Cummins PANEL INSULATION 404-0033-02 Discover the high-quality PANEL INSULATION by Cummins, SKU 404-0033-02, available at our store. Sourced directly from the manufacturer, our genuine parts ensure...$228.30$208.56 -
ONAN 405981902 TOP ENCLOSURE PANEL Original ONAN/CUMMINS OEM part
ONAN
$221.94$202.74Cummins TOP ENCLOSURE PANEL 405-9819-02 Discover the authentic Cummins TOP ENCLOSURE PANEL, SKU 405-9819-02, at our online store. Crafted with precision to ensure a perfect fit for your outdoor...$221.94$202.74 -
ONAN 405697304 WELDMENT AIR BAFFLE Original ONAN/CUMMINS OEM part
ONAN
$82.75$75.59Cummins WELDMENT AIR BAFFLE 405-6973-04 Discover the original "WELDMENT AIR BAFFLE" by Cummins, with SKU "405-6973-04," at our store. We take pride in offering genuine replacement parts for outdoor...$82.75$75.59 -
ONAN 4059770 RETAINER SEAL ALUMINIUM OPPOS Original ONAN/CUMMINS OEM part
ONAN
$74.97$68.49Cummins RETAINER SEAL ALUMINIUM OPPOS 405-9770 Find the original RETAINER SEAL ALUMINIUM OPPOS under SKU 405-9770 by Cummins at our store. We take pride in offering authentic replacement parts for...$74.97$68.49 -
ONAN 3004620 COM ALARM KIT Original ONAN/CUMMINS OEM part
ONAN
$147.36$134.61Precision engineered to safeguard your power source with unwavering reliability. Advanced communication alarm integration ensures prompt alerts for critical generator conditions. Compact design...$147.36$134.61 -
ONAN 3382134 METER OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$211.20$192.94Cummins METER OUTDOOR POWER EQUIPMENT HARNESS 338-2134 Elevate your outdoor power equipment's performance with the METER OUTDOOR POWER EQUIPMENT HARNESS by Cummins. Ensure seamless operation and...$211.20$192.94 -
ONAN 1306374 PRESSURE CAP Original ONAN/CUMMINS OEM part
ONAN
$112.96$103.19Cummins PRESSURE CAP 130-6374 Explore our exclusive range of original PRESSURE CAP with SKU 130-6374 from the trusted brand Cummins. Our store stands out as the ultimate destination for high-quality...$112.96$103.19 -
ONAN 5100267 BALL BEARING Original ONAN/CUMMINS OEM part
ONAN
$133.48$121.94Precision-engineered for flawless rotation and durability to maintain your generator's peak performance under demanding conditions. High-quality material construction minimizes friction and wear,...$133.48$121.94 -
ONAN 5030617 RADIATOR HOSE Original ONAN/CUMMINS OEM part
ONAN
$219.46$200.48Cummins RADIATOR HOSE 503-0617 Find the original Cummins RADIATOR HOSE with SKU 503-0617 at our store, the ultimate destination for authentic replacement parts. Trust in the quality and reliability...$219.46$200.48 -
ONAN A044F796 ELECTRICAL COIL Original ONAN/CUMMINS OEM part
ONAN
$207.84$189.86Cummins ELECTRICAL COIL A044F796 Discover the genuine quality of the Cummins ELECTRICAL COIL with SKU A044F796. Ensure top-notch performance for your outdoor equipment with this original replacement...$207.84$189.86 -
ONAN 403551902 RADIATOR MOUNTING Original ONAN/CUMMINS OEM part
ONAN
$125.50$114.65Cummins RADIATOR MOUNTING 403-5519-02 Find top-quality original "RADIATOR MOUNTING" by Cummins with SKU 403-5519-02 at our store! Our vast selection of genuine replacement parts ensures you're...$125.50$114.65 -
ONAN 1400757 AIR CLEANER CLAMP Original ONAN/CUMMINS OEM part
ONAN
$218.73$199.81Engineered to perfection: Secure air filtration with precision-engineered clamp design. Durability you can trust: Crafted from robust materials to withstand harsh operating environments. Certified...$218.73$199.81 -
ONAN A030J347 COPPER BUSBAR Original ONAN/CUMMINS OEM part
ONAN
$88.33$80.69Trust in precision-crafted power delivery with the ONAN A030J347 COPPER BUSBAR designed for optimal conductivity and durability. Enhance your generator's efficiency by ensuring stable electrical...$88.33$80.69 -
ONAN A034U420 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$50.35$45.99Cummins WIRING HARNESS A034U420 Find the original "WIRING HARNESS" by Cummins with SKU A034U420 at our store. Crafted with precision, this essential part ensures seamless electrical connectivity in...$50.35$45.99 -
ONAN 338285202 ENGINE WIRING OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$30.02$27.42Unrivaled wiring precision for seamless engine performance Durable construction engineered to withstand demanding environments Genuine Onan OEM component designed specifically for perfect...$30.02$27.42 -
ONAN 5052254 PIPE ADAPTER Original ONAN/CUMMINS OEM part
ONAN
$232.90$212.76Cummins PIPE ADAPTER 505-2254 Find the genuine Cummins PIPE ADAPTER with SKU 505-2254 at our store, your top online destination for quality outdoor equipment parts. Our focus on original...$232.90$212.76 -
ONAN 1150508 R123 ROCKER COVER GASKET Original ONAN/CUMMINS OEM part
ONAN
$125.04$114.22Cummins R123 ROCKER COVER GASKET 115-0508 Find a reliable replacement with the "115-0508" R123 ROCKER COVER GASKET from Cummins. Purchase with confidence knowing you're getting a genuine part that...$125.04$114.22 -
ONAN A030C323 AIR DUCT Original ONAN/CUMMINS OEM part
ONAN
$85.72$78.30Precision-crafted airflow management for your trusted ONAN generator Optimizes engine cooling and efficiency under demanding conditions Durable design withstands heat, vibration, and extended...$85.72$78.30 -
ONAN 5410428 INTAKE MANIFOLD KIT Original ONAN/CUMMINS OEM part
ONAN
$222.47$203.23Cummins INTAKE MANIFOLD KIT 541-0428 Upgrade your outdoor equipment with the original INTAKE MANIFOLD KIT, SKU 541-0428 by Cummins. Our store is your top choice for authentic replacement parts...$222.47$203.23 -
ONAN 3383191 ENGINE WIRING OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$30.63$27.98Engineered for unmatched connectivity and resilience. Designed to deliver seamless electrical integration for your outdoor power equipment. Built with durable materials to withstand harsh outdoor...$30.63$27.98 -
ONAN 5010848 REMOTE OIL FILTER HOSE ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$166.75$152.33Cummins REMOTE OIL FILTER HOSE ASSEMBLY 501-0848 When it comes to seamlessly connecting your remote oil filter to your engine, the Cummins 501-0848 REMOTE OIL FILTER HOSE ASSEMBLY is precisely...$166.75$152.33 -
ONAN J0502006202 1/4 IN X 1/4 IN LINE SWIVEL VENTILATOR Original ONAN/CUMMINS OEM part
ONAN
$91.13$83.25Engineered for Exceptional Ventilation Efficiency Durable swivel design ensures consistent airflow and longevity 100% Genuine OEM ONAN component for perfect compatibility ONAN J0502-0062-02 LINE...$91.13$83.25 -
ONAN 320171301 CIRCUIT BREAKER Original ONAN/CUMMINS OEM part
ONAN
$102.57$93.70Precision engineered to safeguard your power system Reliable interruption of electrical faults for enhanced safety Durable design for long-lasting generator protection Guaranteed authenticity as a...$102.57$93.70 -
ONAN 332405602 TERMINAL BRACKET ASSEMBLY HOUSING Original ONAN/CUMMINS OEM part
ONAN
$43.57$39.80Cummins TERMINAL BRACKET ASSEMBLY HOUSING 332-4056-02 Discover the impeccable quality of the Cummins TERMINAL BRACKET ASSEMBLY HOUSING (SKU: 332-4056-02) at our online store. Crafted with precision...$43.57$39.80 -
ONAN 405613803 RAIL AND BRACKET ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$109.92$100.41Cummins RAIL AND BRACKET ASSEMBLY 405-6138-03 Discover the top-quality Cummins RAIL AND BRACKET ASSEMBLY with SKU 405-6138-03, exclusively offered in our store. Our commitment to providing authentic...$109.92$100.41 -
ONAN 190089303 POWER TAKE OFF GUARD Original ONAN/CUMMINS OEM part
ONAN
$51.84$47.35Cummins POWER TAKE OFF GUARD 190-0893-03 Ensure your outdoor equipment remains in top condition with the original Power Take Off Guard by Cummins (SKU: 190-0893-03). Crafted to precision, this guard...$51.84$47.35 -
ONAN 3004939 SWITCH ONLY CONTROL PANEL Original ONAN/CUMMINS OEM part
ONAN
$117.54$107.37Cummins SWITCH ONLY CONTROL PANEL 300-4939 Upgrade your lawn mower with the Cummins SWITCH ONLY CONTROL PANEL (SKU: 300-4939) for seamless operation. Trust in the original quality of Cummins...$117.54$107.37 -
ONAN A035D698 SUPPORT BRACKET Original ONAN/CUMMINS OEM part
ONAN
$88.17$80.55Cummins SUPPORT BRACKET A035D698 Find original SUPPORT BRACKET, SKU A035D698 from Cummins, expertly crafted for your outdoor equipment. Our store is your ultimate destination for genuine replacement...$88.17$80.55 -
ONAN A030Y980 BRACKET BATTERY DISCONNECT 125413 Original ONAN/CUMMINS OEM part
ONAN
$56.35$51.48Engineered to safeguard your generator's heart, the ONAN A030Y980 Bracket Battery Disconnect ensures uncompromising power security. Precision-crafted for flawless integration with ONAN systems,...$56.35$51.48 -
ONAN 302205613 CURRENT TRANSFORMER Original ONAN/CUMMINS OEM part
ONAN
$163.37$149.24Precision engineered for flawless current sensing in your Onan generator system. Reliable measurement ensures optimal load management and protection. This is a genuine OEM ONAN component,...$163.37$149.24 -
ONAN A035B488 INSULATION RETAINER Original ONAN/CUMMINS OEM part
ONAN
$185.70$169.64Cummins INSULATION RETAINER A035B488 Discover the high-quality "INSULATION RETAINER" by Cummins, SKU A035B488, available exclusively at our store. Made with precision and durability to ensure a...$185.70$169.64 -
ONAN 1401720 AIR CLEANER SUPPORT Original ONAN/CUMMINS OEM part
ONAN
$59.54$54.39Cummins AIR CLEANER SUPPORT 140-1720 Discover the genuine Cummins AIR CLEANER SUPPORT (SKU: 140-1720) designed to provide optimal performance for your outdoor equipment. At our store, we ensure only...$59.54$54.39 -
ONAN 319598902 OUTPUT BOX PANEL Original ONAN/CUMMINS OEM part
ONAN
$128.60$117.48Cummins OUTPUT BOX PANEL 319-5989-02 Find the original OUTPUT BOX PANEL with SKU 319-5989-02 from the brand Cummins at our store. Rest assured of the quality and compatibility of this essential part...$128.60$117.48 -
ONAN 1470154 INJECTOR PLUNGER BUTTON Original ONAN/CUMMINS OEM part
ONAN
$32.88$30.04Cummins INJECTOR PLUNGER BUTTON 147-0154 Discover the genuine Cummins INJECTOR PLUNGER BUTTON with SKU 147-0154, ensuring premium quality and optimal performance for your outdoor equipment. Our...$32.88$30.04 -
ONAN 3383481 460 REGULATOR HARNESS Original ONAN/CUMMINS OEM part
ONAN
$9.99$9.13Dependable connectivity for flawless power regulation Precision-engineered wiring harness designed for seamless integration Certified genuine OEM component from ONAN for unmatched quality ONAN...$9.99$9.13 -
ONAN 130651902 RIGHT HAND DAMPER GUARD COVER Original ONAN/CUMMINS OEM part
ONAN
$196.46$179.47Cummins RIGHT HAND DAMPER GUARD COVER 130-6519-02 Discover the genuine RIGHT HAND DAMPER GUARD COVER by Cummins with SKU 130-6519-02, essential for your outdoor equipment. Trust in our store for the...$196.46$179.47