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
-
CUMMINS 4376583 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$7,629.50$6,969.55Precision engineered for uncompromised emission control and engine longevity Advanced aftertreatment technology for cleaner exhaust and regulatory compliance Durable OEM construction directly from...$7,629.50$6,969.55 -
CUMMINS 4376485 BLOCK GASKET LOWER KIT Original OEM part
CUMMINS
$8,934.59$8,161.75Engineered for Excellence, Built to Last Precision Fit Ensures Leak-Free Performance Durable Materials Provide Long-Lasting Reliability 100% Genuine Cummins OEM Part for Guaranteed Quality CUMMINS...$8,934.59$8,161.75 -
CUMMINS 4359971 VENTILATOR CONNECTION Original OEM part
CUMMINS
$115.64$105.64Engineered to perfection for seamless integration Durable construction supporting long-lasting ventilation efficiency Manufactured by Cummins as a genuine OEM component for guaranteed...$115.64$105.64 -
CUMMINS 4359683 PLAIN HOSE Original OEM part
CUMMINS
$10.72$9.79Engineered for Precision, Built for Reliability Durable construction ensures stable fluid transport in demanding engine environments Designed specifically for Cummins power systems ensuring perfect...$10.72$9.79 -
CUMMINS 4354317 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$11,856.70$10,831.10Cummins 4354317 - AFTERTREATMENT DEVICE MINS4354317 Discover excellence in replacement parts with the Cummins 4354317 - AFTERTREATMENT DEVICE, SKU MINS4354317. Our store boasts the best original...$11,856.70$10,831.10 -
CUMMINS 4348735 CYLINDER HEAD Original OEM part
CUMMINS
$9,644.04$8,809.83Precision engineered for uncompromising engine integrity Enhanced heat dissipation for sustained performance 100% genuine Cummins OEM part designed for exact fit and durability Restore Power and...$9,644.04$8,809.83 -
CUMMINS 4330173 BRACKET SENSOR Original OEM part
CUMMINS
$8.84$8.07Cummins 4330173 - BRACKET SENSOR - NO LONGER AVAILABLE MINS4330173 Discover the authentic Cummins 4330173 - BRACKET SENSOR - NO LONGER AVAILABLE at our store. With fast shipping and a competitive...$8.84$8.07 -
CUMMINS 4330172 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$11,856.70$10,831.10Precision engineered for uncompromising emissions control and engine longevity. Advanced aftertreatment technology designed to maintain peak system efficiency under demanding conditions. 100%...$11,856.70$10,831.10 -
CUMMINS 4328826 OUTLET MODULE Original OEM part
CUMMINS
$2,745.35$2,507.88Engineered for uncompromising power and reliability Precision-fit outlet module ensures seamless system integration and durability Designed to maintain peak operational efficiency in demanding...$2,745.35$2,507.88 -
CUMMINS 4325536 SOCKET HEAD CAPSCREW Original OEM part
CUMMINS
$2.26$2.07Precision engineered for unmatched strength and reliability Corrosion-resistant construction guarantees long-term durability Specifically manufactured as an OEM part by Cummins to maintain system...$2.26$2.07 -
CUMMINS 4321115 PLAIN HOSE Original OEM part
CUMMINS
$335.40$306.39Cummins 4321115 - PLAIN HOSE MINS4321115 Find the authentic 4321115 - PLAIN HOSE by Cummins, available at our store under the SKU MINS4321115. Our store stands out as the go-to destination for...$335.40$306.39 -
CUMMINS 4321100 MOUNTING SPACER Original OEM part
CUMMINS
$790.00$721.67Cummins 4321100 - MOUNTING SPACER MINS4321100 Upgrade your equipment with the genuine Cummins 4321100 - MOUNTING SPACER, SKU "MINS4321100." Our store is your ultimate destination for authentic...$790.00$721.67 -
CUMMINS 4321030 HEAT SHIELD Original OEM part
CUMMINS
$278.79$254.68Engineered for Excellence: Elevated heat protection designed to safeguard critical engine components. Durability You Can Trust: Crafted to withstand extreme temperatures and extend engine life...$278.79$254.68 -
CUMMINS 4321029 HEAT SHIELD Original OEM part
CUMMINS
$272.93$249.32Engineered to withstand extreme heat, ensuring unwavering protection. Precision design maximizes thermal shielding for improved engine efficiency. Certified genuine OEM part from Cummins,...$272.93$249.32 -
CUMMINS 4321020 POWER TRAIN LIFTING BRACKET Original OEM part
CUMMINS
$631.29$576.69Cummins 4321020 - POWER TRAIN LIFTING BRACKET MINS4321020 Find genuine Cummins 4321020 - POWER TRAIN LIFTING BRACKET, SKU "MINS4321020," at our store. Trust in our commitment to provide authentic...$631.29$576.69 -
CUMMINS 4321018 HEAT SHIELD Original OEM part
CUMMINS
$2,775.53$2,535.44Cummins 4321018 - HEAT SHIELD MINS4321018 Find genuine quality with the Cummins 4321018 - HEAT SHIELD. Trust us for authentic original parts that ensure optimal performance for your outdoor...$2,775.53$2,535.44 -
CUMMINS 4321016 HEAT SHIELD Original OEM part
CUMMINS
$2,775.53$2,535.44Cummins 4321016 - HEAT SHIELD MINS4321016 Discover superior quality with the Cummins 4321016 - HEAT SHIELD available at our store. Crafted to precision, this genuine replacement part ensures optimal...$2,775.53$2,535.44 -
CUMMINS 4321014 HEAT SHIELD Original OEM part
CUMMINS
$2,775.53$2,535.44Cummins 4321014 - HEAT SHIELD MINS4321014 Discover the authentic 4321014 - HEAT SHIELD by Cummins, SKU MINS4321014, ensuring a perfect fit for your outdoor equipment. Trust our store for genuine...$2,775.53$2,535.44 -
CUMMINS 4320891 AFTERTREATMENT BRACKET Original OEM part
CUMMINS
$285.82$261.09Reliability engineered into every bracket Precision fit for seamless aftertreatment integration Robust construction ensures long-lasting performance Certified genuine OEM part directly from...$285.82$261.09 -
CUMMINS 4320867 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$73.42$67.07Engineered to deliver unmatched fastening strength and reliability Precision-crafted to maintain optimal torque and vibration resistance Authentic OEM part guaranteeing full compatibility with...$73.42$67.07 -
CUMMINS 4320855 AFTERTREATMENT BRACKET Original OEM part
CUMMINS
$286.49$261.71Precision-built for endurance and seamless fitment Robust support for aftertreatment system stability Direct from Cummins, guaranteeing authenticity and peak function Engineered to Empower: The...$286.49$261.71 -
CUMMINS 4320807 PLAIN HOSE Original OEM part
CUMMINS
$296.79$271.12Engineered for Reliability and Endurance Flexible Construction Optimized for Efficient Fluid Transfer Corrosion and Heat Resistant for Demanding Environments 100% Authentic Cummins OEM Part...$296.79$271.12 -
CUMMINS 4320759 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$67.34$61.51Cummins 4320759 - HEX FLANGE HEAD CAPSCREW - - NO LONGER AVAILABLE MINS4320759 Discover the exclusive "4320759 - HEX FLANGE HEAD CAPSCREW - - NO LONGER AVAILABLE" from Cummins, now available at our...$67.34$61.51 -
CUMMINS 4320690 RADIATOR TIE ROD BRACKET Original OEM part
CUMMINS
$201.55$184.12Unmatched endurance and precision engineering for your Cummins engine Robust design ensures secure radiator mounting and vibration control Durability under demanding operating conditions to maintain...$201.55$184.12 -
CUMMINS 4318577 HARNESS WIRING Original OEM part
CUMMINS
$173.06$158.09This is the CUMMINS 4318577 harness wiring made from high-grade materials ensuring OEM quality and durability. It delivers reliable electrical connectivity critical for optimal engine function. ...$173.06$158.09 -
CUMMINS 4316679 STARTING AID Original OEM part
CUMMINS
$1,239.78$1,132.54Trusted Performance from Cummins Engineering Excellence Enhances Engine Start-Up Reliability Even in Extreme Conditions Robust Construction for Extended Service Life and Reduced Maintenance 100%...$1,239.78$1,132.54 -
CUMMINS 4312287 VALVE INSERT Original OEM part
CUMMINS
$134.23$122.62Precision engineered to uphold Cummins’ legacy of excellence Superior wear resistance for extended engine life Designed to maintain optimal sealing and combustion efficiency Authentic OEM component...$134.23$122.62 -
CUMMINS 4310168 FRAME PLATE ASSEMBLY Original OEM part
CUMMINS
$10,139.52$9,262.45Precision engineered to uphold Cummins' legacy of dependable power. Robust frame plate assembly designed for structural integrity and engine stability. Optimized to maintain alignment and reduce...$10,139.52$9,262.45 -
CUMMINS 4310164 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$114.54$104.63Built to Last, Engineered to Perform Precision-machined for exact fit and superior strength Resistant to corrosion and designed for critical engine applications Genuine Cummins OEM component for...$114.54$104.63 -
CUMMINS 4308800 BELT GUARD BRACKET Original OEM part
CUMMINS
$348.70$318.54Precision-engineered protection for your power system’s vital components Robust durability designed to withstand demanding operational conditions Designed exclusively as a genuine OEM component to...$348.70$318.54 -
CUMMINS 4308111 OIL SUCTION CONNECTION Original OEM part
CUMMINS
$6,206.55$5,669.68Experience unmatched reliability with authentic Cummins engineering Precision-crafted oil suction connection designed for enduring performance Maintains oil system integrity to protect your engine’s...$6,206.55$5,669.68 -
CUMMINS 4308107 OIL GAUGE TUBE Original OEM part
CUMMINS
$459.77$420.00Cummins 4308107 - OIL GAUGE TUBE MINS4308107 Find the original 4308107 - OIL GAUGE TUBE by Cummins at our store. With top-notch quality and guaranteed compatibility thanks to the genuine Cummins...$459.77$420.00 -
CUMMINS 4308051 OIL COOLER SUPPORT Original OEM part
CUMMINS
$6,437.23$5,880.41Cummins 4308051 - OIL COOLER SUPPORT MINS4308051 Find the 4308051 - OIL COOLER SUPPORT by Cummins at our online store, your go-to destination for authentic replacement parts. With our commitment to...$6,437.23$5,880.41 -
CUMMINS 4307979 HYDRAULIC PUMP ADAPTER Original OEM part
CUMMINS
$73.47$67.12Engineered for precision, built for endurance. Seamless integration with your Cummins hydraulic system enhancing performance and reliability. Durable construction ensures exceptional longevity under...$73.47$67.12 -
CUMMINS 4306260 WIRING RETAINER BRACKET Original OEM part
CUMMINS
$88.60$80.94Precision engineered for unwavering performance and safety Robust wiring organization to prevent damage and maintain system integrity Durable construction ensures lasting protection in demanding...$88.60$80.94 -
CUMMINS 4304682 VALVE PRESSURE REGULATOR Original OEM part
CUMMINS
$4,628.09$4,227.76Cummins 4304682 - VALVE PRESSURE REGULATOR - NO LONGER AVAILABLE MINS4304682 Are you in need of a reliable replacement for the 4304682 - VALVE PRESSURE REGULATOR that is no longer available...$4,628.09$4,227.76 -
CUMMINS 4302615 AFTERCOOLER BRACKET Original OEM part
CUMMINS
$1,873.54$1,711.48Precision engineered for your Cummins power system’s ultimate stability. Robust construction ensures long-lasting support for the aftercooler unit. Designed to maintain optimal airflow for engine...$1,873.54$1,711.48 -
CUMMINS 4302380 ORIFICE PLUG Original OEM part
CUMMINS
$115.49$105.50Cummins 4302380 - ORIFICE PLUG MINS4302380 Find the genuine 4302380 - ORIFICE PLUG by Cummins at our store - the ultimate destination for original replacement parts. Our commitment to quality is...$115.49$105.50 -
CUMMINS 4302362 HEAT EXCHANGER SUPPORT Original OEM part
CUMMINS
$4,769.86$4,357.27Engineered for Precision and Stability: The CUMMINS 4302362 HEAT EXCHANGER SUPPORT provides robust structural integrity to your cooling system. Durability to Withstand Demanding Conditions: Designed...$4,769.86$4,357.27 -
CUMMINS 4104841 WIRING HARNESS Original OEM part
CUMMINS
$49.30$45.04Power your engine’s heartbeat with precision-crafted Cummins excellence. Designed for seamless connectivity to optimize system performance. Durable construction ensures long-lasting operation in...$49.30$45.04