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 4001028 MALE UNION Original OEM part
CUMMINS
$375.09$342.65Precision engineered for unwavering performance in every connection Robust construction ensures leak-free and secure fluid transfer Designed to maintain system integrity under demanding operational...$375.09$342.65 -
CUMMINS 4001017 FLEXIBLE HOSE Original OEM part
CUMMINS
$4,387.40$4,007.89Cummins 4001017 - FLEXIBLE HOSE MINS4001017 Explore the authentic Cummins 4001017 - FLEXIBLE HOSE at our store, where quality meets reliability. This genuine part ensures optimal performance and...$4,387.40$4,007.89 -
CUMMINS 4000952 TUBE CLAMP Original OEM part
CUMMINS
$658.90$601.91Cummins 4000952 - TUBE CLAMP MINS4000952 Discover the genuine quality of Cummins' 4000952 - TUBE CLAMP with product SKU MINS4000952 at our store. We take pride in offering authentic replacement...$658.90$601.91 -
CUMMINS 4000948 BREATHER BRACKET Original OEM part
CUMMINS
$1,967.14$1,796.98Cummins 4000948 - BREATHER BRACKET MINS4000948 Find the authentic 4000948 - BREATHER BRACKET by Cummins at our store. Benefit from the best price and fast shipping when you purchase with us. Our...$1,967.14$1,796.98 -
CUMMINS 4000896 FAN BRACKET Original OEM part
CUMMINS
$12,914.47$11,797.37Precision engineered for maximum cooling efficiency and engine protection. Robust construction designed to deliver long-lasting performance under all operating conditions. Manufactured as a genuine...$12,914.47$11,797.37 -
CUMMINS 4000682 VALVE BRACKET Original OEM part
CUMMINS
$1,481.33$1,353.19Precision engineered for uncompromising reliability and fit Robust construction to withstand demanding engine conditions Fully compliant OEM part designed to maintain optimal valve...$1,481.33$1,353.19 -
CUMMINS 4000674 MOUNTING SPACER Original OEM part
CUMMINS
$1,240.73$1,133.40Engineered Precision for Unmatched Stability Durable Construction to Extend Generator Life 100% Genuine OEM Cummins Component for Guaranteed Compatibility CUMMINS 4000674 MOUNTING SPACER – Elevate...$1,240.73$1,133.40 -
CUMMINS 4000637 THREADED PLUG Original OEM part
CUMMINS
$63.90$58.38Engineered to Deliver Excellence in Every Turn Robust design ensures leak-free sealing under demanding conditions Manufactured to meet Cummins rigorous standards for durability and...$63.90$58.38 -
CUMMINS 4000636 FEMALE BRANCH TEE Original OEM part
CUMMINS
$801.50$732.18Cummins 4000636 - FEMALE BRANCH TEE MINS4000636 Find the original 4000636 - FEMALE BRANCH TEE by Cummins at our store, the top destination for premium replacement parts. With unmatched quality and...$801.50$732.18 -
CUMMINS 4000627 SPRING BRACKET Original OEM part
CUMMINS
$149.35$136.43Engineered for precision and lasting strength Essential component to maintain spring tension integrity Durable construction ensuring extended lifecycle 100% genuine OEM Cummins part for guaranteed...$149.35$136.43 -
CUMMINS 4000594 OIL PAN ADAPTER GASKET Original OEM part
CUMMINS
$161.22$147.27Engineered for excellence: Precision molding guarantees a perfect fit for your Cummins engine. Durability that withstands: Crafted from premium materials to resist heat, pressure, and oil...$161.22$147.27 -
CUMMINS 4000567 CLUTCH SUPPORT Original OEM part
CUMMINS
$8,150.68$7,445.65Cummins 4000567 - CLUTCH SUPPORT MINS4000567 Our store proudly offers the original Cummins clutch support with SKU MINS4000567, ensuring top-notch quality and compatibility for your outdoor...$8,150.68$7,445.65 -
CUMMINS 4000518 ENGINE MONITOR Original OEM part
CUMMINS
$4,920.46$4,494.84Precision and reliability engineered for your Cummins power solutions Advanced monitoring technology for real-time engine performance insights Robust design ensures durability and seamless...$4,920.46$4,494.84 -
CUMMINS 4000411 WATER PUMP PULLEY Original OEM part
CUMMINS
$889.87$812.90Precision engineered to power your Cummins system at peak performance Robust construction ensures long-term durability even in demanding conditions Seamless fit guaranteed as an authentic OEM...$889.87$812.90 -
CUMMINS 3999917 1 CYLINDER AIR COMPRESSOR Original OEM part
CUMMINS
$5,817.78$5,314.54Precision-engineered for seamless integration and reliable performance Durable construction guarantees extended service life under demanding conditions Maintains air system efficiency to support...$5,817.78$5,314.54 -
CUMMINS 3999908 EXHAUST CONNECTION BRACKET Original OEM part
CUMMINS
$797.36$728.39Precision engineered for seamless exhaust integration Robust construction ensures enduring heat and vibration resistance 100% genuine OEM Cummins part for guaranteed compatibility CUMMINS 3999908...$797.36$728.39 -
CUMMINS 3999838 FUEL SUPPLY TUBE Original OEM part
CUMMINS
$168.09$153.55Precision engineered to power your potential Corrosion-resistant design for enhanced durability under demanding conditions Optimized fuel flow maintaining engine efficiency and emission...$168.09$153.55 -
CUMMINS 3979772 WATER TRANSFER CONNECTION Original OEM part
CUMMINS
$631.03$576.44Cummins 3979772 - WATER TRANSFER CONNECTION - - NO LONGER AVAILABLE MINS3979772 Our store proudly offers the original 3979772 - WATER TRANSFER CONNECTION from Cummins. Despite it being no longer...$631.03$576.44 -
CUMMINS 3979489 OIL PAN Original OEM part
CUMMINS
$3,045.18$2,781.77Cummins 3979489 - OIL PAN MINS3979489 Discover the 3979489 - OIL PAN by Cummins, the ideal solution for your outdoor equipment maintenance needs. Our store offers genuine replacement parts, ensuring...$3,045.18$2,781.77 -
CUMMINS 3979430 REGULAR HEX NUT Original OEM part
CUMMINS
$6.42$5.86Built to deliver uncompromising strength and durability in demanding power system environments. Engineered for perfect fit, ensuring consistent torque retention and vibration resistance. Certified...$6.42$5.86 -
CUMMINS 3979414 1 CYLINDER AIR COMPRESSOR Original OEM part
CUMMINS
$3,422.69$3,126.63Power your engine’s breath with precision and durability Single-cylinder design engineered to deliver consistent, reliable air compression for superior engine performance Optimized for longevity and...$3,422.69$3,126.63 -
CUMMINS 3979078 WATER INLET CONNECTION Original OEM part
CUMMINS
$1,743.15$1,592.37Cummins 3979078 - WATER INLET CONNECTION MINS3979078 Discover the original 3979078 - WATER INLET CONNECTION by Cummins, SKU MINS3979078 available at our store. Engineered to precision, this...$1,743.15$1,592.37 -
CUMMINS 3978931 OIL SUCTION CONNECTION Original OEM part
CUMMINS
$459.70$419.94Precision Engineered for Optimal Oil Flow Ensures durable, leak-free engine operation under demanding conditions Exact OEM Fit for Guaranteed Compatibility and Reliability Manufactured by Cummins to...$459.70$419.94 -
CUMMINS 3978849 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$11,262.12$10,287.94Engineered for flawless integration and enduring reliability Precision-crafted exhaust outlet connection enabling optimal emissions management Robust design enhances exhaust flow, reducing wear and...$11,262.12$10,287.94 -
CUMMINS 3978813 HEAT SHIELD BRACKET Original OEM part
CUMMINS
$231.80$211.75Precision-crafted protection from the heart of Cummins engineering Exceptional heat resistance to safeguard critical engine components Robust design guarantees long-lasting durability under...$231.80$211.75 -
CUMMINS 3978685 HEAT SHIELD Original OEM part
CUMMINS
$2,463.68$2,250.57Precision-engineered protection for enduring power Advanced thermal shielding to safeguard engine components Durable construction for extended service life Certified genuine Cummins OEM, ensuring...$2,463.68$2,250.57 -
CUMMINS 3978495 PROTECTIVE COVER Original OEM part
CUMMINS
$286.67$261.87Engineered to shield, built to last — safeguarding your power, the Cummins way. Durable construction: Crafted from premium materials to resist environmental and operational wear. Precision fit:...$286.67$261.87 -
CUMMINS 3978477 FUEL SUPPLY TUBE Original OEM part
CUMMINS
$279.34$255.18Precision engineered to sustain your power system's heartbeat. Robust design ensures consistent fuel delivery under all operating conditions. Corrosion-resistant materials promote extended service...$279.34$255.18 -
CUMMINS 3978333 RADIATOR SUPPORT Original OEM part
CUMMINS
$5,063.44$4,625.45Engineered for enduring strength and seamless integration Precision-crafted to maintain optimal radiator alignment and securement Designed to withstand harsh operating conditions and...$5,063.44$4,625.45 -
CUMMINS 3978332 RADIATOR BRACKET Original OEM part
CUMMINS
$406.58$371.41Precision engineered for seamless integration and unwavering support. Robust construction resists vibration and ensures optimal radiator positioning. Corrosion-resistant materials extend component...$406.58$371.41 -
CUMMINS 3978331 RADIATOR BRACKET Original OEM part
CUMMINS
$406.58$371.41Cummins 3978331 - RADIATOR BRACKET MINS3978331 When it comes to sourcing premium quality replacement parts for outdoor equipment, look no further than our store for the authentic Cummins 3978331 -...$406.58$371.41 -
CUMMINS 3977841 CLAMPING PLATE Original OEM part
CUMMINS
$348.44$318.30Engineered for precision, built for resilience. Exceptional durability ensuring optimal engine component alignment. Designed to maintain structural integrity under demanding operational loads. 100%...$348.44$318.30 -
CUMMINS 3977819 MALE CONNECTOR Original OEM part
CUMMINS
$154.63$141.25Precision engineered for seamless compatibility and enduring reliability. Robust construction ensures optimal electrical connection under demanding conditions. Designed to maintain peak performance...$154.63$141.25 -
CUMMINS 3977818 PLAIN HOSE COUPLING Original OEM part
CUMMINS
$29.48$26.93Engineered to perform where it counts Durable design for extended service life Ensures leak-free connection under pressure Authentic Cummins OEM component crafted for perfect compatibility CUMMINS...$29.48$26.93 -
CUMMINS 3977778 ORING SEAL Original OEM part
CUMMINS
$7.50$6.86Precision engineered sealing reliability for uncompromising power systems Durable elastomer composition resists heat, pressure, and chemical wear Essential component for maintaining engine oil and...$7.50$6.86 -
CUMMINS 3977661 EXHAUST OUTLET CONNECTION BRACE Original OEM part
CUMMINS
$362.14$330.81Engineered for endurance, crafted for precision. Robust design ensures secure exhaust outlet integrity under high-temperature conditions. Essential brace maintains optimal alignment, reducing wear...$362.14$330.81 -
CUMMINS 3977363 CONNECTION BRACE Original OEM part
CUMMINS
$453.86$414.60Engineered for uncompromising durability and seamless integration Precision-crafted connection brace designed to uphold structural stability Enhances equipment longevity by maintaining optimal...$453.86$414.60 -
CUMMINS 3977362 CONNECTION BRACE Original OEM part
CUMMINS
$327.23$298.92Engineered precision meets endurance—trust in authentic Cummins performance every time. Robust construction designed to maintain engine alignment under demanding conditions. Corrosion-resistant...$327.23$298.92 -
CUMMINS 3977356 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$12,945.09$11,825.34Engineered for excellence and endurance — trust Cummins precision in every connection Optimizes exhaust flow to maintain engine efficiency and reduce emissions Constructed from premium materials for...$12,945.09$11,825.34 -
CUMMINS 3977355 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$13,574.18$12,400.02Precision engineered for uncompromising power and reliability Optimizes exhaust flow to enhance engine efficiency and reduce emissions Constructed from high-grade materials for long-lasting...$13,574.18$12,400.02