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
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CUMMINS S148C SCREW HEXAGON HEAD CAP Original OEM part
CUMMINS
$7.70$7.04ONAN S148-C - SCREW HEXAGON HEAD CAP. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$7.70$7.04 -
ONAN 6571050 KIT DATALINK ADAPTER Original OEM part - SUPERSEDED FROM 5299899
CUMMINS
$2,356.20$2,152.39ONAN 6571050 KIT DATALINK ADAPTER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$2,356.20$2,152.39 -
CUMMINS 6533894 GASKET CYLINDER HEAD Original OEM part
CUMMINS
$684.30$625.11ONAN 6533894 - GASKET CYLINDER HEAD. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$684.30$625.11 -
CUMMINS 6512381 TUBE OIL FILLER Original OEM part
CUMMINS
$94.50$86.33ONAN 6512381 - TUBE OIL FILLER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$94.50$86.33 -
CUMMINS 6483023 KIT LOWER ENGINE GASKET Original OEM part
CUMMINS
$1,038.38$948.56ONAN 6483023 - KIT LOWER ENGINE GASKET. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$1,038.38$948.56 -
CUMMINS 5653229 HOSE FLEXIBLE Original OEM part
CUMMINS
$1,448.17$1,322.91ONAN 5653229 - HOSE FLEXIBLE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$1,448.17$1,322.91 -
CUMMINS 5580439 SCREW FRACTURE RESISTANT Original OEM part
CUMMINS
$89.75$81.99ONAN 5580439 - SCREW FRACTURE RESISTANT. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$89.75$81.99 -
CUMMINS 5568114 CRANKSHAFT ENGINE Original OEM part
CUMMINS
$2,033.98$1,858.04ONAN 5568114 - CRANKSHAFT ENGINE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$2,033.98$1,858.04 -
CUMMINS 5521158 GASKET CYLINDER HEAD Original OEM part
CUMMINS
$178.44$163.00ONAN 5521158 - GASKET CYLINDER HEAD. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$178.44$163.00 -
CUMMINS 5508779 MODULE INLET CATALYST Original OEM part
CUMMINS
$4,309.03$3,936.30ONAN 5508779 - MODULE INLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$4,309.03$3,936.30 -
CUMMINS 5491744 SENSOR POSITION Original OEM part
CUMMINS
$88.25$80.62ONAN 5491744 - SENSOR POSITION. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$88.25$80.62 -
CUMMINS 5282670 VALVE EXHAUST Original OEM part
CUMMINS
$56.24$51.37ONAN 5282670 - VALVE EXHAUST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$56.24$51.37 -
CUMMINS 4998519 BRACKET FUEL PLUMBING Original OEM part
CUMMINS
$429.32$392.18ONAN 4998519 - BRACKET FUEL PLUMBING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$429.32$392.18 -
CUMMINS 4958232 HOSE HYDRAULIC Original OEM part
CUMMINS
$3,408.73$3,113.87ONAN 4958232 - HOSE HYDRAULIC. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$3,408.73$3,113.87 -
CUMMINS 4951939 BRACE WIRING Original OEM part
CUMMINS
$180.10$164.53ONAN 4951939 - BRACE WIRING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$180.10$164.53 -
CUMMINS 4951607 SCREW HEX HEAD CAP Original OEM part
CUMMINS
$113.42$103.61ONAN 4951607 - SCREW HEX HEAD CAP. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$113.42$103.61 -
CUMMINS 4358015 DECAL INFORMATION Original OEM part
CUMMINS
$119.80$109.44ONAN 4358015 - DECAL INFORMATION. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$119.80$109.44 -
CUMMINS 4331567 BRACKET OIL TUBE Original OEM part
CUMMINS
$842.03$769.19ONAN 4331567 - BRACKET OIL TUBE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$842.03$769.19 -
CUMMINS 4067535 HOSE FLEXIBLE Original OEM part
CUMMINS
$1,251.84$1,143.55ONAN 4067535 - HOSE FLEXIBLE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$1,251.84$1,143.55 -
CUMMINS 4015586 INSERT VALVE Original OEM part
CUMMINS
$127.95$116.88ONAN 4015586 - INSERT VALVE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$127.95$116.88 -
CUMMINS 4015531 RING LINER SEAL Original OEM part
CUMMINS
$1,071.96$979.24ONAN 4015531 - RING LINER SEAL. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$1,071.96$979.24 -
CUMMINS 3874240 CONNECTION WATER OUTLET Original OEM part
CUMMINS
$163.79$149.63ONAN 3874240 - CONNECTION WATER OUTLET. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$163.79$149.63 -
CUMMINS 3864012 SPACER MOUNTING Original OEM part
CUMMINS
$32.30$29.51ONAN 3864012 - SPACER MOUNTING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$32.30$29.51 -
CUMMINS 3336493 SCREW SOCKET HEAD CAP Original OEM part
CUMMINS
$10.38$9.49ONAN 3336493 - SCREW SOCKET HEAD CAP. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$10.38$9.49 -
CUMMINS 3336457 SCREW SOCKET HEAD CAP Original OEM part
CUMMINS
$32.80$29.97ONAN 3336457 - SCREW SOCKET HEAD CAP. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$32.80$29.97 -
CUMMINS 3201135 TUBE FUEL DRAIN Original OEM part
CUMMINS
$921.55$841.84ONAN 3201135 - TUBE FUEL DRAIN. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$921.55$841.84 -
CUMMINS 3088959 SUPPORT OIL COOLER Original OEM part
CUMMINS
$3,405.28$3,110.73ONAN 3088959 - SUPPORT OIL COOLER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$3,405.28$3,110.73 -
CUMMINS 3087826 SUPPORT OIL COOLER Original OEM part
CUMMINS
$2,149.99$1,964.02ONAN 3087826 - SUPPORT OIL COOLER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$2,149.99$1,964.02 -
CUMMINS 3001892 CAP AIR CLEANER Original OEM part
CUMMINS
$960.49$877.41ONAN 3001892 - CAP AIR CLEANER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$960.49$877.41 -
CUMMINS 213382 CONNECTION OIL SUCTION Original OEM part
CUMMINS
$3,626.99$3,313.26ONAN 213382 - CONNECTION OIL SUCTION. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$3,626.99$3,313.26 -
CUMMINS 206331 SCREW TWELVE POINT CAP Original OEM part
CUMMINS
$48.08$43.92ONAN 206331 - SCREW TWELVE POINT CAP. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$48.08$43.92 -
CUMMINS 203026 GASKET GEAR HOUSING Original OEM part
CUMMINS
$80.26$73.32ONAN 203026 - GASKET GEAR HOUSING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$80.26$73.32 -
CUMMINS 159962 RING THRUST Original OEM part
CUMMINS
$92.08$84.12ONAN 159962 - RING THRUST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$92.08$84.12 -
CUMMINS 156043 SWIVEL HOSE Original OEM part
CUMMINS
$129.53$118.32ONAN 156043 - SWIVEL HOSE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$129.53$118.32 -
CUMMINS 133831 GASKET LUB OIL PUMP COVER Original OEM part
CUMMINS
$10.19$9.31ONAN 133831 - GASKET LUB OIL PUMP COVER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$10.19$9.31 -
On Sale
CUMMINS 4982999 BELT V Original OEM part
CUMMINS
$115.45$92.36$105.46CUMMINS 4982999 - BELT V. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.$115.45$92.36$105.46Qty in Cart: 0Quantity:Price:$115.45$92.36$105.46Subtotal: -
ONAN Z600256401 SUPPORTCCCV ONAN/CUMMINS Original OEM part
ONAN
$367.95$336.12Cummins SUPPORT-CCCV /CUMMINS Z600-2564-01 Discover the original SUPPORT-CCCV /CUMMINS (SKU: Z600-2564-01), designed for exceptional durability and performance. Our online store is dedicated to...$367.95$336.12 -
CUMMINS ST1168136 WASHER OFFSET CUMMINS/CUMMINS Original OEM part
CUMMINS
$45.20$41.30Cummins WASHER OFFSET /CUMMINS ST1168-136 Discover the precision and reliability of the WASHER OFFSET by Cummins, SKU ST1168-136, designed to ensure optimal performance in your equipment. Our store...$45.20$41.30 -
ONAN K200027V00 RECTIFIER CARRIER ASSEMBL ONAN/CUMMINS Original OEM part
ONAN
$4,185.24$3,823.22Cummins RECTIFIER CARRIER ASSEMBL /CUMMINS K200027V00 Discover the original RECTIFIER CARRIER ASSEMBL /CUMMINS (SKU: K200027V00), expertly crafted for outstanding performance and reliability. Our...$4,185.24$3,823.22 -
FLEETGUARD FF5074 FUEL FILTER FLEETGUARD/CUMMINS Original OEM part
FLEETGUARD
$27.69$25.30Cummins FUEL FILTER /CUMMINS FF5074 Discover the efficiency and reliability of the original Fuel Filter from Cummins, SKU FF5074, designed for optimal performance in your machinery. Our store is...$27.69$25.30