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 5250305 13OZ GREEN SPRAY CA PAINT ONAN Genuine OEM Part PACK OF 12
ONAN
$347.65$317.58This is an original OEM ONAN part, guaranteeing exact fit and finish for your generator. Provides superior corrosion resistance to preserve your equipment's appearance and structural integrity...$347.65$317.58 -
ONAN A045Z954 FUEL WATER SEPARATOR ONAN Genuine OEM Part
ONAN
$165.95$151.60Genuine ONAN OEM Fuel Water Separator A045Z954 designed for complete compatibility. Effectively removes water and contaminants from fuel to safeguard engine performance. Enhances fuel system...$165.95$151.60 -
ONAN 1305170 HEAT EXCHANGER GASKET ONAN Genuine OEM Part
ONAN
$6.44$5.88Genuine ONAN OEM replacement part ensuring precise fit and compatibility Designed to provide an effective seal in the heat exchanger, preventing coolant leaks and maintaining optimal thermal...$6.44$5.88 -
ONAN 1856939 GOVERNOR LEVER Original ONAN/CUMMINS OEM part
ONAN
$52.72$48.16Power your engine with precision and reliability – ONAN quality you can trust. Durable construction ensures long-lasting performance under demanding conditions. Exact fit for seamless replacement,...$52.72$48.16 -
ONAN A029B062 COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$6.29$5.75Precision-engineered cooling solution designed to protect your generator’s engine Durable construction ensures resistance against heat and wear for prolonged service life 100% genuine OEM part from...$6.29$5.75 -
CUMMINS 4089399 STATOR REPAIR KIT CUMMINS Genuine OEM Part
CUMMINS
$246.20$224.91Certified Genuine OEM Part from Cummins Restores electrical output and improves generator efficiency Enhances engine reliability and reduces downtime Maintain safety and warranty compliance with...$246.20$224.91 -
ONAN A026H823 DOOR LATCH Original ONAN/CUMMINS OEM part
ONAN
$228.58$208.81Precision engineered for dependable security and seamless operation Robust construction delivers long-lasting durability under demanding conditions Ensures complete compatibility as a genuine OEM...$228.58$208.81 -
ONAN 5090351 ORING ONAN Genuine OEM Part
ONAN
$8.24$7.53Certified Genuine ONAN OEM Replacement Part Provides precise sealing to prevent leaks and ensure engine integrity Enhances fuel efficiency and contributes to emissions control Built for reliable...$8.24$7.53 -
ONAN A073A341 KIT SOLENOID ONAN Genuine OEM Part
ONAN
$103.99$95.00Genuine ONAN replacement solenoid kit designed and manufactured to original equipment specifications for guaranteed compatibility. Controls the electrical current flow necessary for starting your...$103.99$95.00 -
ONAN 309029501 TEMPERATURE SWITCH Original ONAN/CUMMINS OEM part
ONAN
$134.87$123.21Cummins TEMPERATURE SWITCH 309029501 Get the authentic Cummins TEMPERATURE SWITCH with SKU 309029501 from our store. Trust us for topquality original parts and enjoy unmatched product reliability...$134.87$123.21 -
ONAN 1403093 AIR CLEANER ADAPTER Original ONAN/CUMMINS OEM part
ONAN
$34.92$31.90Cummins AIR CLEANER ADAPTER 140-3093 Discover the Cummins AIR CLEANER ADAPTER (SKU: 140-3093) at our store, offering top-notch original replacement parts for outdoor equipment. Trust in the superior...$34.92$31.90 -
ONAN 1671652 SPARK PLUG ONAN Genuine OEM Part
ONAN
$19.57The ONAN 167-1652 spark plug is a high-quality metal component crafted for reliable ignition in generators and engines. Features precise electrode gap for consistent and efficient spark...$19.57Qty in Cart: 0Quantity:Price:$19.57Subtotal: -
A043G324 KEY ONAN PACK 2
ONAN
$16.97$14.80ONAN A043G324 KEY PACK 2Discover the unparalleled quality of the original A043G324 KEY PACK 2 at our store, your premier destination for authentic components. Engineered for optimal performance and...$16.97$14.80 -
ONAN A028W144 ADAPTOR CARBURETOR ONAN/CUMMINS Original OEM part
ONAN
$8.62$7.87Cummins ADAPTOR CARBURETOR /CUMMINS A028W144 Upgrade your equipment with the original ADAPTOR CARBURETOR from Cummins, SKU A028W144. Our store guarantees authentic parts to ensure optimal...$8.62$7.87 -
Cummins 6BT Air Filter A044A853 OEM
ONAN
$120.75$110.31This is a **ONAN** A044A853-A air filter made from premium filtration material, supplied as a genuine OEM part. It effectively traps dirt and airborne particles to protect engine components. ...$120.75$110.31 -
ONAN A063P557 SERVICE KIT ONAN Genuine OEM Part
ONAN
$83.75$76.51Genuine ONAN OEM component designed for seamless integration Maintains engine efficiency and prolongs generator life Includes all necessary parts for thorough service and optimal...$83.75$76.51 -
A050X362 FILTER,OIL ONAN PACK 2
ONAN
$30.33$26.44ONAN A050X362 FILTER,OIL PACK 2Discover the ultimate in engine performance with the original A050X362 FILTER, OIL PACK 2, designed for optimal filtration and longevity. Our store guarantees...$30.33$26.44 -
320243404 CIRCUIT BREAKER ONAN PACK 2
ONAN
$63.27$55.16ONAN 320-2434-04 CIRCUIT BREAKER PACK 2Discover the unparalleled quality of the original 320-2434-04 CIRCUIT BREAKER PACK 2 at our store. Engineered for optimal performance and reliability, this...$63.27$55.16 -
6.7 Cummins Air Filter A047M180 OEM
ONAN
$130.98$119.65ONAN A047M180-A air filter made with high-quality filtration materials, supplied as a genuine OEM part. Designed to deliver efficient air intake filtration to protect engine components from...$130.98$119.65 -
ONAN 1855178 FLOAT CHAMBER GASKET Original ONAN/CUMMINS OEM part
ONAN
$6.62$6.04Precision sealing engineered for uncompromised generator reliability Maintains optimal fuel float chamber integrity under demanding conditions Durable material ensures long-lasting performance and...$6.62$6.04 -
ONAN A052D408 CONTROL DISPLAY ONAN Genuine OEM Part
ONAN
$527.58$481.95Certified Genuine ONAN OEM component ensuring perfect fit and function Enables clear, real-time monitoring of generator status and diagnostics Provides intuitive user interface for seamless...$527.58$481.95 -
ONAN 5032751 BOTTOM RADIATOR HOSE Original ONAN/CUMMINS OEM part
ONAN
$93.30$85.23Precision-engineered durability: Designed to withstand extreme temperatures and pressure for extended service life. Optimal coolant flow: Maintains consistent engine temperature, enhancing overall...$93.30$85.23 -
On Sale
ONAN 8022554 SOCKET HEAD SCREW ONAN Genuine OEM Part
ONAN
$8.15$6.52$7.44This is a durable socket head screw made from high-grade steel, offered as a genuine OEM part by ONAN. Designed to provide secure fastening essential for maintaining equipment integrity and...$8.15$6.52$7.44 -
4060612 LATCHSVC PANEL ONAN PACK 2
ONAN
$36.38$31.72ONAN 406-0612 LATCH-SVC PANEL PACK 2Discover the superior quality of the original 406-0612 LATCH-SVC PANEL PACK 2, designed for optimal performance and durability. Our store is your premier...$36.38$31.72 -
ONAN 130474003 STRAP HEAT EXCHANGER MOUNTING Original ONAN/CUMMINS OEM part
ONAN
$29.27$26.74This is the ONAN 130-4740-03 strap heat exchanger mounting made of high-grade metal, provided as an original OEM condition part. It secures the heat exchanger firmly, ensuring optimal operation...$29.27$26.74 -
CUMMINS 200756 THERMOSTAT HOUSING GASKET Original OEM part
CUMMINS
$38.02$34.73Precision-engineered sealing for dependable engine temperature control Durable materials resist wear and maintain integrity under extreme conditions Genuine OEM component crafted by Cummins for...$38.02$34.73 -
ONAN 5032207 COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$26.55$24.25Engineered for precision, trusted for endurance. Designed to withstand high temperatures and maintain optimal coolant flow for your generator’s engine. Durable construction resists wear, cracks, and...$26.55$24.25 -
CUMMINS 3036052 ADAPTER CRANKSHAFT Original OEM part
CUMMINS
$148.26$135.44Cummins 3036052 - ADAPTER CRANKSHAFT MINS3036052 Upgrade your outdoor equipment with the reliable 3036052 - ADAPTER CRANKSHAFT by Cummins. At our store, authenticity is guaranteed as we only offer...$148.26$135.44 -
ONAN 300587813 15 AMP BATTERY CHARGER CONTROL ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$1,406.25$1,284.61Power your system with precision – engineered for seamless operation Reliable battery charging control for consistent performance Durability designed to withstand demanding generator environments...$1,406.25$1,284.61 -
ONAN 503220201 AIR INTAKE HOSE Original ONAN/CUMMINS OEM part
ONAN
$63.79$58.28Brand Authenticity: This is a genuine ONAN replacement part designed and manufactured to meet the exact specifications of the original equipment, ensuring compatibility and reliable service...$63.79$58.28 -
ONAN A030N808 TEMPERATURE SENSOR ONAN Genuine OEM Part
ONAN
$292.65$267.34Genuine OEM ONAN replacement part engineered to meet strict factory specifications Precisely monitors engine temperature to prevent overheating and ensure optimal operation Enhances system...$292.65$267.34 -
ONAN A034C655 CLAMP 3 INCH CHARGE AIR COOLER Original ONAN/CUMMINS OEM part
ONAN
$102.25$93.41Precision-engineered reliability for critical power systems Durable clamp designed to maintain optimal charge air cooler performance Ensures leak-free connection, enhancing engine efficiency and...$102.25$93.41 -
ONAN 4056005 PANEL INSULATION Original ONAN/CUMMINS OEM part
ONAN
$117.29$107.15Cummins PANEL INSULATION 405-6005 Discover the impeccable quality of the Cummins PANEL INSULATION (SKU: 405-6005) at our store. Made with innovative materials, this original replacement part ensures...$117.29$107.15 -
ONAN 1305176 HEAT EXCHANGER CAP KIT ONAN Genuine OEM Part
ONAN
$46.22$42.22Genuine ONAN OEM component ensuring exact fit and superior quality Designed to maintain perfect heat exchanger pressure and prevent coolant leaks Enhances thermal efficiency and prolongs engine life...$46.22$42.22 -
ONAN 1470044 NOZZLE HEAT SHIELD Original ONAN/CUMMINS OEM part
ONAN
$18.28$16.70Cummins NOZZLE HEAT SHIELD 147-0044 Explore our premium quality NOZZLE HEAT SHIELD, SKU 147-0044 by Cummins, designed to deliver optimal performance and durability. Our store offers the best prices...$18.28$16.70 -
A050X362 FILTER,OIL ONAN PACK 3
ONAN
$45.49$39.66ONAN A050X362 FILTER,OIL PACK 3Discover the superior quality of the A050X362 FILTER, OIL PACK 3, designed for optimal engine performance and longevity. Our store guarantees original parts, ensuring...$45.49$39.66 -
ONAN A064X819 SENSOR TEMPERATURE ONAN/CUMMINS Original OEM part
ONAN
$121.60$111.09Cummins SENSOR TEMPERATURE /CUMMINS A064X819 Discover the original SENSOR TEMPERATURE /CUMMINS, SKU A064X819, designed for accuracy and reliability in monitoring temperature levels. Our store is...$121.60$111.09 -
CUMMINS 5677545 SWITCH PRESSURE CUMMINS/CUMMINS Original OEM part
CUMMINS
$7.78$7.11Cummins SWITCH PRESSURE /CUMMINS 5677545 Discover the SWITCH PRESSURE /CUMMINS, a vital component for your equipment, ensuring optimal performance and reliability. With the SKU 5677545, this...$7.78$7.11 -
CUMMINS 3963990 SEALING WASHER Original OEM part PACK OF 3 - SUPERSEDED FROM 3963983
CUMMINS
$19.80$18.09This product is an OEM CUMMINS 3963990 sealing washer made from high-grade materials ensuring a precise and durable fit. Designed to provide an exact seal preventing leaks under high pressure and...$19.80$18.09 -
On Sale
ONAN A053Y969 THERMOSTAT Original ONAN/CUMMINS OEM part
ONAN
$20.20$17.72$18.46ONAN A053Y969 thermostat replacement part made with durable materials and supplied as a genuine OEM component. Controls engine temperature accurately to prevent overheating and ensure optimal...$20.20$17.72$18.46