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 226470601 GROUND LEAD Original ONAN/CUMMINS OEM part
ONAN
$21.02$19.20Engineered to deliver unmatched grounding reliability for your ONAN generator system Ensures optimal electrical safety by maintaining proper circuit grounding Crafted exclusively as a genuine OEM...$21.02$19.20 -
ONAN A024J753 BATTERY CONNECTION PLATE Original ONAN/CUMMINS OEM part
ONAN
$12.25$11.19Power your generator with uninterrupted reliability using the ONAN A024J753 Battery Connection Plate Designed for optimal electrical conductivity to support consistent engine starts Manufactured...$12.25$11.19 -
ONAN A029K261 RELAY PANEL BRACKET ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$32.40$29.60Cummins RELAY PANEL BRACKET ASSEMBLY A029K261 Ensure your outdoor equipment runs smoothly with the original Cummins RELAY PANEL BRACKET ASSEMBLY (SKU: A029K261). Our store is your top choice for...$32.40$29.60 -
ONAN 5031504 EXHAUST OUTLET HOSE Original ONAN/CUMMINS OEM part
ONAN
$12.76$11.66Precision-crafted to maintain optimal exhaust flow with trusted Cummins/Onan quality Durable high-temperature resistant material ensures long-lasting operation under demanding conditions Designed...$12.76$11.66 -
ONAN A030A134 SHROUD Original ONAN/CUMMINS OEM part
ONAN
$33.87$30.94Cummins SHROUD A030A134 Discover the authentic Cummins SHROUD, SKU: A030A134, engineered for top-notch performance. Our store takes pride in providing genuine replacement parts to keep your outdoor...$33.87$30.94 -
ONAN 4057842 CHANNEL ENCLOSURE STIFFENER Original ONAN/CUMMINS OEM part
ONAN
$71.27$65.11Engineered to reinforce your generator’s enclosure for maximum durability and operational stability Designed to maintain optimal alignment and reduce vibration for quieter, more efficient...$71.27$65.11 -
ONAN 5032495 FUEL HOSE Original ONAN/CUMMINS OEM part
ONAN
$44.79$40.92Precision engineered for power you can trust Durable, flexible fuel hose designed to withstand demanding conditions Impeccable fuel flow management ensuring optimal engine operation 100% OEM...$44.79$40.92 -
ONAN 323184606 9 PIN PLUG CONNECTOR Original ONAN/CUMMINS OEM part
ONAN
$9.97$9.11Precision engineered for seamless electrical connectivity in your generator system Durable construction guarantees robust performance under demanding conditions Authentic ONAN OEM part ensures full...$9.97$9.11 -
ONAN 5032499 COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$43.50$39.74Precision engineered for enduring durability Maintains optimal coolant flow to protect engine health 100% Genuine OEM Cummins Onan component for assured compatibility ONAN 503-2499 COOLANT HOSE -...$43.50$39.74 -
ONAN 406052802 CATCH SPRING CATCH Original ONAN/CUMMINS OEM part
ONAN
$55.16$50.39Precision engineered for superior durability and performance Critical component for smooth engine catch mechanism operation Authentic OEM ONAN part guarantees seamless integration and extended...$55.16$50.39 -
ONAN 4056455 CONTROL PANEL INSULATION Original ONAN/CUMMINS OEM part
ONAN
$34.52$31.53Precision-engineered insulation for lasting control panel protection Optimizes thermal management to maintain system stability Reduces noise and enhances overall generator performance Certified OEM...$34.52$31.53 -
ONAN A032X864 ELECTRICAL LEAD Original ONAN/CUMMINS OEM part
ONAN
$51.45$47.00Power your system with confidence and endurance Robust connectivity ensuring optimal electrical flow under every load Engineered for seamless integration within Onan generator systems Authentic OEM...$51.45$47.00 -
ONAN 1855414 OIL PUMP DRIVE GEAR Original ONAN/CUMMINS OEM part
ONAN
$33.59$30.69Cummins OIL PUMP DRIVE GEAR 185-5414 Discover the Cummins OIL PUMP DRIVE GEAR, SKU 185-5414, exclusively available at our store. Engineered to precise specifications, this genuine part ensures...$33.59$30.69 -
ONAN 501048001 FLEXIBLE FUEL LINE Original ONAN/CUMMINS OEM part
ONAN
$34.40$31.43Cummins FLEXIBLE FUEL LINE 501-0480-01 Discover the genuine Cummins Flexible Fuel Line, SKU 501-0480-01, designed to meet the highest quality standards for your outdoor equipment. Our store is your...$34.40$31.43 -
ONAN 113033730 RING SET Original ONAN/CUMMINS OEM part
ONAN
$35.06$32.03Cummins RING SET 113-0337-30 Discover the high-quality "RING SET" with SKU "113-0337-30" from the renowned Cummins brand in our store. Our commitment to offering only authentic replacement parts...$35.06$32.03 -
ONAN 2341066 GASKET COVER ATS CONTROL Original ONAN/CUMMINS OEM part
ONAN
$86.23$78.77Cummins GASKET COVER ATS CONTROL 234-1066 Find the genuine Cummins GASKET COVER ATS CONTROL with SKU 234-1066 at our store. Ensure optimum performance with quality original parts. Trust in Cummins...$86.23$78.77 -
ONAN 1140421 CONNECTING ROD BUSHING Original ONAN/CUMMINS OEM part
ONAN
$34.13$31.18Precision Crafted for Peak Performance and Endurance Ensures Smooth Engine Operation and Reduces Wear Maintains Proper Alignment and Enhances Fuel Efficiency Authentic ONAN OEM Part for Guaranteed...$34.13$31.18 -
ONAN 877036802 WATER INSULATION TUBE Original ONAN/CUMMINS OEM part
ONAN
$24.90$22.75Cummins WATER INSULATION TUBE 877-0368-02 Discover the original WATER INSULATION TUBE by Cummins with SKU 877-0368-02, ensuring top-notch performance and durability. Our store is your ultimate...$24.90$22.75 -
ONAN 332284308 TERMINAL JUMPER Original ONAN/CUMMINS OEM part
ONAN
$14.37$13.13Cummins TERMINAL JUMPER 332-2843-08 Find the original TERMINAL JUMPER by Cummins with SKU 332-2843-08 at our store. Our products are genuine, ensuring the best performance for your outdoor equipment...$14.37$13.13 -
ONAN 4056855 ENCLOSURE INSULATION Original ONAN/CUMMINS OEM part
ONAN
$36.45$33.30Engineered to safeguard your power system’s core integrity. Precision-fitted insulation reduces noise and thermal loss. Durable material designed for long-term protection under tough conditions...$36.45$33.30 -
ONAN 305095202 REGULATOR BRACKET Original ONAN/CUMMINS OEM part
ONAN
$38.18$34.88Cummins REGULATOR BRACKET 305-0952-02 Find peace of mind in knowing that the Cummins REGULATOR BRACKET (SKU: 305-0952-02) available at our online store is a genuine, high-quality replacement part...$38.18$34.88 -
ONAN A026F981 ELECTRICAL LEAD Original ONAN/CUMMINS OEM part
ONAN
$7.98$7.29Precision-engineered connectivity for your generator’s heart and soul Durable design ensuring consistent current flow and minimized downtime Certified OEM part directly from ONAN for flawless fit...$7.98$7.29 -
ONAN 988899 PACK INFORMATION LABEL Original ONAN/CUMMINS OEM part
ONAN
$13.59$12.42Cummins PACK INFORMATION LABEL 98-8899 Explore our online store for genuine replacement parts like the Cummins PACK INFORMATION LABEL (SKU: 98-8899). Made with precision and quality in mind, this...$13.59$12.42 -
ONAN 1866255 G BREATHER TUBE Original ONAN/CUMMINS OEM part
ONAN
$12.53$11.44Engineered for enduring performance and uncompromising reliability Efficient pressure regulation to protect engine integrity Corrosion-resistant material for extended service life 100% genuine OEM...$12.53$11.44 -
ONAN 1341419 CYLINDER SHROUD PAN Original ONAN/CUMMINS OEM part
ONAN
$53.25$48.64Precision-engineered protection for your Onan engine’s cylinder. Durable design ensuring consistent cooling and operational safety. Manufactured as a genuine OEM part by Onan to guarantee perfect...$53.25$48.64 -
ONAN 5021471 TUBE ELBOW Original ONAN/CUMMINS OEM part
ONAN
$16.74$15.29Cummins TUBE ELBOW 502-1471 Discover reliability with the Cummins TUBE ELBOW, SKU "502-1471." Our store stands out as the ultimate destination for authentic replacement parts like this. Crafted to...$16.74$15.29 -
ONAN 5031707 RADIATOR HOSE Original ONAN/CUMMINS OEM part
ONAN
$61.44$56.12Cummins RADIATOR HOSE 503-1707 Discover the superior quality of the Cummins Radiator Hose, SKU 503-1707, available at our online store. Crafted with precision and durability in mind, this original...$61.44$56.12 -
ONAN 5031861 RADIATOR UPPER HOSE Original ONAN/CUMMINS OEM part
ONAN
$37.86$34.59Cummins RADIATOR UPPER HOSE 503-1861 When it comes to finding the perfect replacement part for your outdoor equipment, look no further than our store. We offer the original "RADIATOR UPPER HOSE"...$37.86$34.59 -
ONAN 319649402 CIRCUIT BREAKER PANEL Original ONAN/CUMMINS OEM part
ONAN
$19.68$17.98Engineered protection for your power system’s heart Precision-crafted circuit breaker panel for flawless current management Durable design optimized to maintain generator safety and reliability 100%...$19.68$17.98 -
ONAN 3384966 HARNESS SENSOR SENSOR PRE Original ONAN/CUMMINS OEM part
ONAN
$59.40$54.27Precision engineered for seamless power – every time you need it. Ensures accurate sensor communication for flawless generator operation. Durable construction crafted to withstand harsh operating...$59.40$54.27 -
ONAN 1403083 AIR CLEANER MOUNTING BRACKET Original ONAN/CUMMINS OEM part
ONAN
$393.27$359.25Empower your generator's heart with precision-engineered components. Robust mounting for secure and vibration-free air cleaner placement. Engineered to preserve optimal air filtration and engine...$393.27$359.25 -
ONAN 502133403 CABLE ENTRY CONNECTOR Original ONAN/CUMMINS OEM part
ONAN
$22.97$20.99Precision engineered for seamless power connections Ensures secure and durable cable entry to protect your generator’s core components Manufactured as a genuine OEM component by Onan, assuring full...$22.97$20.99 -
ONAN 1404068 AIR CLEANER ADAPTER Original ONAN/CUMMINS OEM part
ONAN
$33.14$30.27Cummins AIR CLEANER ADAPTER 140-4068 Upgrade your outdoor equipment with the Cummins AIR CLEANER ADAPTER (SKU: 140-4068). Our store offers genuine replacement parts, ensuring the perfect fit and...$33.14$30.27 -
ONAN 503279101 COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
$47.53$43.42Precision engineered coolant flow for unmatched engine protection Durable construction designed to withstand extreme temperatures and pressures Certified OEM part from Onan, guaranteeing exact fit...$47.53$43.42 -
ONAN 508108902 ENGINE COOLANT BUSHING Original ONAN/CUMMINS OEM part
ONAN
$62.44$57.04Precision-crafted for seamless engine protection and performance. Durable construction that maintains coolant system integrity under demanding conditions. Essential OEM part engineered specifically...$62.44$57.04 -
ONAN 306340001 ROD END ACTUATOR Original ONAN/CUMMINS OEM part
ONAN
$56.39$51.52Cummins ROD END ACTUATOR NO LONGER AVAILABLE 306-3400-01 Discover the original Cummins ROD END ACTUATOR NO LONGER AVAILABLE SKU 306-3400-01 at our store, the ultimate destination for authentic...$56.39$51.52 -
ONAN 306383001 ACTUATOR BRACKET Original ONAN/CUMMINS OEM part
ONAN
$37.34$34.11Precision-engineered durability: The ONAN 306-3830-01 actuator bracket is crafted to maintain your generator’s structural integrity under demanding conditions. Essential mechanical support: This...$37.34$34.11 -
ONAN A034V896 CONTROL BOX Original ONAN/CUMMINS OEM part
ONAN
$18.15$16.58Empower Your Generator with Precision Control Reliable Engine Management for Consistent Power Delivery Advanced Diagnostics and Protection Features Manufactured by ONAN for Perfect Compatibility and...$18.15$16.58 -
ONAN A029L562 FUEL LINE Original ONAN/CUMMINS OEM part
ONAN
$28.03$25.60Precision engineered for lasting power and dependability Direct-fit fuel line designed for seamless integration Durable construction resists wear and contaminants Certified genuine ONAN OEM...$28.03$25.60 -
ONAN 5110076 V BELT Original ONAN/CUMMINS OEM part
ONAN
$34.77$31.76Cummins V BELT 5110076 Find the perfect fit for your outdoor equipment with the original Cummins V BELT (SKU: 5110076) available in our store. Crafted to meet Cummins' high standards, this V BELT...$34.77$31.76