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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CUMMINS 5405272 FILTER BRACKET Original OEM part
CUMMINS
$8.64$7.89Engineered precision for unwavering power support Robust construction designed to maintain perfect filter alignment Durable design to withstand demanding engine environments 100% Genuine OEM CUMMINS...$8.64$7.89 -
CUMMINS 5405073 CYLINDER BLOCK Original OEM part
CUMMINS
$8,346.13$7,624.19Precision-engineered durability that supports enduring power and performance. Robust cast iron construction ensuring exceptional strength and heat resistance. 100% genuine Cummins OEM component...$8,346.13$7,624.19 -
CUMMINS 5396972 EXHAUST OUTLET CONNECTION BRACE Original OEM part
CUMMINS
$40.05$36.59Engineered for excellence, built for endurance. Robust structural support for exhaust systems enhancing stability and safety. Precision-crafted to maintain perfect alignment and prevent exhaust...$40.05$36.59 -
CUMMINS 5396265 WATER INLET CONNECTION Original OEM part
CUMMINS
$293.59$268.20Cummins 5396265 - WATER INLET CONNECTION - - NO LONGER AVAILABLE MINS5396265 Browse no further for the original 5396265 - WATER INLET CONNECTION - - NO LONGER AVAILABLE by Cummins. Our store offers...$293.59$268.20 -
CUMMINS 5395360 ELECTRICAL REPAIR CONNECTOR Original OEM part
CUMMINS
$343.28$313.59Power your system with precision-engineered Cummins parts for unmatched reliability. Durable construction ensures consistent electrical connectivity under demanding conditions. Designed to optimize...$343.28$313.59 -
CUMMINS 5395300 ADJUSTING SCREW Original OEM part
CUMMINS
$312.63$285.59Engineered for precision: Maintain exact fuel delivery and engine timing. Durability that stands the test of time under demanding conditions. 100% Genuine OEM from Cummins ensuring perfect...$312.63$285.59 -
CUMMINS 5395029 GAUGE MOUNTING ADAPTER Original OEM part
CUMMINS
$270.98$247.54Precision-engineered integration for flawless gauge mounting Durable construction crafted to withstand rigorous operational demands Certified OEM component ensuring exact fit and optimal...$270.98$247.54 -
CUMMINS 5394751 LEAK TEST KIT Original OEM part
CUMMINS
$1,199.75$1,095.97Cummins 5394751 - LEAK TEST KIT MINS5394751 Discover the authentic 5394751 - LEAK TEST KIT by Cummins at our store. With top-notch quality and precision engineering, this kit ensures accurate...$1,199.75$1,095.97 -
CUMMINS 5394743 DRIVE ADAPTER Original OEM part
CUMMINS
$729.40$666.31Precision-engineered to empower every drive Robust construction for unmatched durability under heavy loads Designed to optimize seamless power transfer and performance Genuine OEM part from Cummins...$729.40$666.31 -
CUMMINS 5394637 SEAL INSTALLER Original OEM part
CUMMINS
$1,018.13$930.06Precision engineering for flawless seal installation Durable construction guarantees long-term service life Essential tool designed specifically for Cummins engines 100% OEM authentic part ensuring...$1,018.13$930.06 -
CUMMINS 5394386 LEAK TEST KIT Original OEM part
CUMMINS
$6,558.26$5,990.97Precision engineered for dependable leak detection that safeguards your Cummins generator's efficiency and longevity Streamlined design ensures quick and accurate diagnostics, minimizing downtime...$6,558.26$5,990.97 -
CUMMINS 5394382 SOCKET HEAD CAPSCREW Original OEM part
CUMMINS
$228.74$208.95Precision engineered for enduring strength and seamless integration. Optimized for resistance to vibration and extreme operating conditions. Manufactured to strict OEM specifications guaranteeing...$228.74$208.95 -
CUMMINS 5394379 SOCKET HEAD CAPSCREW Original OEM part
CUMMINS
$44.33$40.49Engineered for enduring power and steadfast reliability Precision-machined socket head capscrew ensures optimal fastening strength Manufactured to Cummins' stringent OEM standards for ultimate...$44.33$40.49 -
CUMMINS 5394353 GUIDE PIN KIT Original OEM part
CUMMINS
$607.13$554.61Depend on genuine precision for lasting power. Ensures exact alignment for hassle-free assembly and optimal engine operation. Manufactured to stringent Cummins standards for reliability under...$607.13$554.61 -
CUMMINS 5394326 CAP SCREW LENGTH GAUGE Original OEM part
CUMMINS
$19.30$17.64Precision engineered for dependable assembly measurement Ensures accurate cap screw length verification for optimal engine integrity Durable construction designed to meet Cummins' exacting...$19.30$17.64 -
CUMMINS 5394325 DIAGNOSTIC KIT Original OEM part
CUMMINS
$2,259.50$2,064.06Precision Engine Diagnostics at Your Fingertips Robust Construction for Reliable, Long-Term Use Comprehensive Compatibility with Cummins Engines Certified Genuine OEM from Cummins for Maximum...$2,259.50$2,064.06 -
CUMMINS 5394255 CROWSFOOT WRENCH Original OEM part
CUMMINS
$1,565.89$1,430.44Precision and durability in every turn Ergonomically designed for optimal access and control Engineered and manufactured as a genuine Cummins OEM component CUMMINS 5394255 CROWSFOOT WRENCH—Powerful...$1,565.89$1,430.44 -
CUMMINS 5394100 AIR INTAKE CONNECTION Original OEM part
CUMMINS
$42.39$38.73Cummins 5394100 - AIR INTAKE CONNECTION MINS5394100 Discover the genuine Cummins 5394100 - AIR INTAKE CONNECTION, known for its quality and precise fit. Don't settle for anything less than authentic...$42.39$38.73 -
CUMMINS 5374093 FILTER BRACKET Original OEM part
CUMMINS
$2,705.15$2,471.15Engineered for Endurance: Reliability rooted in Cummins precision Robust Construction: Crafted to securely mount filters, enhancing protection and longevity of your engine systems Perfect Fit...$2,705.15$2,471.15 -
CUMMINS 5372141 SHOCK ABSORBER BRACKET Original OEM part
CUMMINS
$1,720.29$1,571.49Engineered to safeguard your generator’s critical components against vibrations and shocks, ensuring prolonged service life. Robust construction delivers exceptional durability even under the...$1,720.29$1,571.49 -
CUMMINS 5371820 AIR CLEANER BRACE Original OEM part - SUPERSEDED FROM 4016106
CUMMINS
$737.60$673.80Engineered for Excellence, Built for Reliability Robust construction ensures secure air cleaner alignment under demanding conditions. OEM Cummins integrity guarantees seamless compatibility and...$737.60$673.80 -
CUMMINS 5371818 AIR CLEANER BRACE Original OEM part
CUMMINS
$1,024.09$935.51Fortify your engine’s filtration system with unmatched stability and support. Engineered for longevity to withstand rigorous operational demands. Precision-crafted as an authentic CUMMINS OEM...$1,024.09$935.51 -
CUMMINS 5371685 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$378.30$345.58Engineering reliability that powers your peace of mind. Precisely designed to ensure seamless communication between control modules and engine systems. Constructed for exceptional durability under...$378.30$345.58 -
CUMMINS 5371063 AIR INLET ADAPTER Original OEM part
CUMMINS
$30.82$28.15Cummins 5371063 - AIR INLET ADAPTER MINS5371063 Find the genuine 5371063 - AIR INLET ADAPTER by Cummins at our store. Designed for optimal performance, our original replacement part ensures...$30.82$28.15 -
CUMMINS 5367758 STARTING MOTOR Original OEM part
CUMMINS
$1,371.22$1,252.61Unmatched Reliability Powering Your Engine Every Start Designed for Robust Performance and Long-Lasting Durability Precision-engineered to deliver consistent, efficient engine ignition 100% Genuine...$1,371.22$1,252.61 -
CUMMINS 5367756 STARTING MOTOR Original OEM part
CUMMINS
$1,591.40$1,453.75Power where precision meets reliability. Robust construction ensuring dependable engine ignition every time. Designed for seamless integration with Cummins diesel engines. 100% genuine Cummins OEM...$1,591.40$1,453.75 -
CUMMINS 5367596 AIR TRANSFER TUBE Original OEM part
CUMMINS
$190.07$173.63Cummins 5367596 - AIR TRANSFER TUBE MINS5367596 Discover the high-quality 5367596 - AIR TRANSFER TUBE by Cummins, available at our store under the SKU MINS5367596. As your premier destination for...$190.07$173.63 -
CUMMINS 5365465 FLYWHEEL HOUSING SUPPORT Original OEM part
CUMMINS
$134.20$122.60Cummins 5365465 - FLYWHEEL HOUSING SUPPORT MINS5365465 Discover quality you can trust with the Cummins 5365465 - FLYWHEEL HOUSING SUPPORT. Made to precision, this genuine part ensures optimal...$134.20$122.60 -
CUMMINS 5363639 FLEXIBLE HOSE Original OEM part
CUMMINS
$661.46$604.24Cummins 5363639 - FLEXIBLE HOSE - - NO LONGER AVAILABLE MINS5363639 Discover the original 5363639 - FLEXIBLE HOSE - - NO LONGER AVAILABLE from Cummins at our store. With unmatched quality and...$661.46$604.24 -
CUMMINS 5363638 FLEXIBLE HOSE Original OEM part
CUMMINS
$967.25$883.58Cummins 5363638 - FLEXIBLE HOSE - - NO LONGER AVAILABLE MINS5363638 Looking for the 5363638 - FLEXIBLE HOSE - - NO LONGER AVAILABLE by Cummins Your search ends here! We are proud to offer this...$967.25$883.58 -
CUMMINS 5363459 AIR FUEL CONTROL TUBE Original OEM part
CUMMINS
$118.30$108.07Engineered for Excellence: Experience unmatched precision and reliability with the CUMMINS 5363459 Air Fuel Control Tube. Optimizes fuel flow to maintain peak engine efficiency and reduce emissions...$118.30$108.07 -
CUMMINS 5363157 AIR INTAKE MANIFOLD Original OEM part
CUMMINS
$301.84$275.73Engineered for precision and endurance—experience uncompromising Cummins quality. Maximizes airflow to support optimal combustion and consistent power delivery. Built with robust materials to...$301.84$275.73 -
CUMMINS 5361660 QUICK DISCONNECT CONNECTOR Original OEM part
CUMMINS
$73.84$67.45Cummins 5361660 - QUICK DISCONNECT CONNECTOR - - NO LONGER AVAILABLE MINS5361660 Find the original Cummins 5361660 - QUICK DISCONNECT CONNECTOR - - NO LONGER AVAILABLE at our store. Benefit from the...$73.84$67.45 -
CUMMINS 5349334 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$398.80$364.31Cummins 5349334 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5349334 Ensure the optimal performance of your equipment with the genuine "5349334 - EXTERNAL CONTROL MODULE WIRING HARNESS" by Cummins...$398.80$364.31 -
CUMMINS 5348523 COMPRESSOR WATER OUTLET TUBE Original OEM part
CUMMINS
$138.88$126.87Cummins 5348523 - COMPRESSOR WATER OUTLET TUBE MINS5348523 Get the genuine 5348523 - COMPRESSOR WATER OUTLET TUBE by Cummins at the best price only at our store. Made with quality materials to...$138.88$126.87 -
CUMMINS 5348376 ORING SEAL Original OEM part
CUMMINS
$32.99$30.14Engineered precision sealing for uncompromised engine integrity High-grade material construction for extended service life Authentic Cummins OEM part assuring full system compatibility CUMMINS...$32.99$30.14 -
CUMMINS 5348269 PLAIN HOSE Original OEM part
CUMMINS
$34.95$31.93Cummins 5348269 - PLAIN HOSE MINS5348269 Discover unparalleled quality with the 5348269 - PLAIN HOSE from Cummins. Our store stands out as your prime destination for genuine replacement parts...$34.95$31.93 -
CUMMINS 5345277 PISTON RING KIT Original OEM part
CUMMINS
$254.85$232.81Cummins 5345277 - PISTON RING KIT MINS5345277 Finding genuine replacement parts for your Cummins equipment is crucial for optimal performance. Our store offers the original 5345277 - PISTON RING KIT...$254.85$232.81 -
CUMMINS 5344002 PROTECTIVE COVER Original OEM part
CUMMINS
$378.60$345.86Cummins 5344002 - PROTECTIVE COVER MINS5344002 When it comes to quality and authenticity, look no further than our store for the "5344002 - PROTECTIVE COVER" by Cummins. Rest assured that you are...$378.60$345.86 -
CUMMINS 5343587 CONNECTION GASKET Original OEM part
CUMMINS
$56.84$51.92Precision engineered for peak engine sealing integrity Durable construction delivers a reliable, leak-free connection under extreme conditions 100% Genuine OEM Cummins part guaranteeing full...$56.84$51.92