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 3050851 VOLTAGE REGULATOR ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$1,006.92$919.82Cummins VOLTAGE REGULATOR ASSEMBLY 305-0851 Find genuine Cummins VOLTAGE REGULATOR ASSEMBLY, SKU 305-0851, ensuring peak equipment performance. Trust our store for reliable parts, offering top-notch...$1,006.92$919.82 -
ONAN J0503020503 60RH023 ID 127 RUBBER HOSE Original ONAN/CUMMINS OEM part
ONAN
$417.52$381.40Engineered for resilience: built to endure the rigorous demands of power generation Ensures optimal fluid transfer to support engine efficiency and safeguard engine health Certified genuine ONAN OEM...$417.52$381.40 -
ONAN 130787402 RADIATOR HOUSING PANEL Original ONAN/CUMMINS OEM part
ONAN
$1,142.76$1,043.91Cummins RADIATOR HOUSING PANEL 130-7874-02 Discover the authentic Cummins RADIATOR HOUSING PANEL with SKU 130-7874-02 at our online store. Trust in the quality of our original replacement parts to...$1,142.76$1,043.91 -
ONAN 1543184 MANIFOLD FLANGE Original ONAN/CUMMINS OEM part
ONAN
$1,254.83$1,146.29Cummins MANIFOLD FLANGE 154-3184 Elevate your outdoor equipment's performance with the MANIFOLD FLANGE by Cummins (SKU: 154-3184). Our store is your go-to for genuine replacement parts. Trust...$1,254.83$1,146.29 -
ONAN 3072891 SOLENOID VALVE KIT Original ONAN/CUMMINS OEM part
ONAN
$662.52$605.21Cummins SOLENOID VALVE KIT 307-2891 Discover the authentic SOLENOID VALVE KIT with SKU 307-2891 from the renowned brand Cummins at our online store. Crafted with precision, this kit ensures optimal...$662.52$605.21 -
ONAN 320185104 CIRCUIT BREAKER Original ONAN/CUMMINS OEM part
ONAN
$242.74$221.74Precision protection engineered for your power’s pulse Robust circuit interruption to defend against electrical faults Durable construction tailored for long generator lifespan Certified genuine OEM...$242.74$221.74 -
ONAN 1210235 TUBE HYDRAULIC PUMP Original ONAN/CUMMINS OEM part
ONAN
$881.54$805.29Cummins TUBE HYDRAULIC PUMP 121-0235 Discover the incredible quality of the Cummins TUBE HYDRAULIC PUMP (SKU: 121-0235) in our online store. Engineered for precision and durability, this original...$881.54$805.29 -
ONAN 320155652 CIRCUIT BREAKER Original ONAN/CUMMINS OEM part
ONAN
$405.28$370.23Precision protection for your power source Robust circuit interruption capacity ensuring system safety Durable construction designed for long-lasting reliability 100% Genuine OEM part from ONAN,...$405.28$370.23 -
ONAN 402094402 VIBRATION ISOLATOR Original ONAN/CUMMINS OEM part
ONAN
$1,050.54$959.67Cummins VIBRATION ISOLATOR 402-0944-02 Discover top-notch quality with the Cummins VIBRATION ISOLATOR (SKU: 402-0944-02) available at our online store. Engineered for durability and performance,...$1,050.54$959.67 -
ONAN 338382304 AC BATTERY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$519.26$474.34Power your system with precision and trust—experience seamless energy flow every time. Designed for flawless electrical connectivity under demanding conditions. High-grade construction ensures long...$519.26$474.34 -
ONAN 306431510 CONTACTOR Original ONAN/CUMMINS OEM part
ONAN
$493.06$450.41Precision engineered for dependable power activation Seamless electrical switching to optimize generator operation Certified OEM component from Cummins Onan, ensuring perfect fit and longevity ONAN...$493.06$450.41 -
ONAN 5052354 PIPE ADAPTER Original ONAN/CUMMINS OEM part
ONAN
$263.32$240.54Cummins PIPE ADAPTER 505-2354 Find the authentic Cummins PIPE ADAPTER (SKU: 505-2354) at our store, the ultimate destination for original replacement parts. Our commitment to quality ensures that...$263.32$240.54 -
ONAN 1460753 CARBURETOR CONVERTER KIT Original ONAN/CUMMINS OEM part
ONAN
$387.52$354.00Precision-engineered for seamless fuel delivery and optimized throttle response Improves emission compliance and fuel economy in Onan generator engines Genuine OEM Onan component—designed...$387.52$354.00 -
ONAN 140250804 TUBE ASSY AIR INLET Original ONAN/CUMMINS OEM part
ONAN
$345.75$315.84Cummins TUBE ASSY AIR INLET NO LONGER AVAILABLE 140-2508-04 Look no further for the original TUBE ASSY AIR INLET NO LONGER AVAILABLE from Cummins. This product, SKU 140-2508-04, is a rare find but...$345.75$315.84 -
ONAN 1320382 WATER PUMP KIT Original ONAN/CUMMINS OEM part
ONAN
$967.29$883.62Cummins WATER PUMP KIT 132-0382 Explore the genuine quality of the Cummins WATER PUMP KIT (SKU: 132-0382) at our store. Ensure your equipment's optimal performance by choosing this reliable...$967.29$883.62 -
ONAN 155474501 FLEXIBLE EXHAUST PIPE Original ONAN/CUMMINS OEM part
ONAN
$312.35$285.33Power your journey with reliability only a true OEM part can deliver. Durable flexible design to absorb vibrations and prevent exhaust leaks. Corrosion-resistant materials engineered for...$312.35$285.33 -
ONAN 405886602 LOUVER Original ONAN/CUMMINS OEM part
ONAN
$1,063.29$971.32Cummins LOUVER 405-8866-02 Find the original Cummins LOUVER with SKU 405-8866-02 at our store. Our wide selection of genuine replacement parts ensures that you get the perfect fit for your outdoor...$1,063.29$971.32 -
ONAN 3383564 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$900.60$822.70Precision engineered to empower your generator's heartbeat Robust construction for unmatched durability under continuous operation Optimized wiring design enhancing electrical signal integrity and...$900.60$822.70 -
ONAN 405996702 RIGHT HAND ENCLOSURE POST Original ONAN/CUMMINS OEM part
ONAN
$911.60$832.75Cummins RIGHT HAND ENCLOSURE POST 405-9967-02 Find the genuine Cummins RIGHT HAND ENCLOSURE POST with SKU 405-9967-02, ensuring optimal performance for your outdoor equipment. Shop with confidence...$911.60$832.75 -
ONAN A026M930 CIRCUIT BREAKER Original ONAN/CUMMINS OEM part
ONAN
$1,305.83$1,192.87Cummins CIRCUIT BREAKER A026M930 Discover the genuine Cummins CIRCUIT BREAKER with the SKU A026M930 at our store. Our selection of original replacement parts ensures top-notch quality and...$1,305.83$1,192.87 -
ONAN A034H885 ROTARY SWITCH Original ONAN/CUMMINS OEM part
ONAN
$171.70$156.85Cummins ROTARY SWITCH A034H885 Find the genuine Cummins ROTARY SWITCH with SKU A034H885 only at our store. Crafted to high-quality standards, this original replacement part ensures optimal...$171.70$156.85 -
ONAN A028X028 ROTOR Original ONAN/CUMMINS OEM part
ONAN
$570.28$520.95Cummins ROTOR A028X028 Find genuine replacement ROTOR A028X028 for Cummins equipment at our store - the ultimate destination for high-quality outdoor parts. Trust us for authentic products at the...$570.28$520.95 -
ONAN 5011018 1 IN ORFS X 1 3/16 FUEL LINE Original ONAN/CUMMINS OEM part
ONAN
$679.55$620.77Precision-engineered to sustain your generator's power journey Durable construction guarantees leak-free fuel delivery under demanding conditions Flexible design adapts perfectly to your Onan...$679.55$620.77 -
ONAN 4055334 PANEL HOUSING WELD LEFT HAND Original ONAN/CUMMINS OEM part
ONAN
$433.03$395.57Cummins PANEL HOUSING WELD LEFT HAND 405-5334 Discover the genuine Cummins PANEL HOUSING WELD LEFT HAND (SKU: 405-5334) at our online store, where quality meets affordability. Our commitment to...$433.03$395.57 -
ONAN 320167503 QSA CIRCUIT BREAKER Original ONAN/CUMMINS OEM part
ONAN
$856.89$782.77Cummins QSA CIRCUIT BREAKER 320-1675-03 The Cummins QSA CIRCUIT BREAKER, SKU 320-1675-03, is a reliable replacement part essential for outdoor equipment. Our store stands out as the ideal...$856.89$782.77 -
ONAN 130784302 RADIATOR FAN GUARD Original ONAN/CUMMINS OEM part
ONAN
$845.99$772.82Cummins RADIATOR FAN GUARD 130-7843-02 The Cummins RADIATOR FAN GUARD (SKU: 130-7843-02) is a must-have replacement part for outdoor equipment maintenance. Our store prides itself on offering only...$845.99$772.82 -
ONAN 1543094 MANIFOLD EXHAUST MACHINING Original ONAN/CUMMINS OEM part
ONAN
$565.22$516.33Cummins MANIFOLD EXHAUST MACHINING 154-3094 Find the authentic Cummins MANIFOLD EXHAUST MACHINING, SKU 154-3094, at our store. With a commitment to quality, we pride ourselves on offering genuine...$565.22$516.33 -
ONAN 3330563 HEATER KIT BATTERY Original ONAN/CUMMINS OEM part
ONAN
$590.89$539.78Precision heating power engineered for lasting generator confidence Designed to maintain optimal battery temperature in harsh conditions Improves battery start-up reliability and extends life...$590.89$539.78 -
ONAN A041C872 SUPPORT BRACKET Original ONAN/CUMMINS OEM part
ONAN
$374.42$342.03Cummins SUPPORT BRACKET A041C872 Find the high-quality SUPPORT BRACKET your outdoor equipment needs with the genuine Cummins part A041C872 in our store. We stand out as your top choice for authentic...$374.42$342.03 -
ONAN A032X479 INSULATION SOUND REAR D Original ONAN/CUMMINS OEM part
ONAN
$127.17$116.17Cummins INSULATION SOUND REAR D A032X479 Find the original INSULATION SOUND REAR D part with SKU A032X479 from Cummins at our store. Made with quality materials, this part ensures the best...$127.17$116.17 -
ONAN 305080901 VOLTAGE REGULATOR Original ONAN/CUMMINS OEM part
ONAN
$820.84$749.84Cummins VOLTAGE REGULATOR 305-0809-01 Upgrade your outdoor equipment with the top-quality VOLTAGE REGULATOR with SKU 305-0809-01 by Cummins. Our store is your go-to destination for genuine...$820.84$749.84 -
ONAN A030H915 ENCLOSURE PANEL Original ONAN/CUMMINS OEM part
ONAN
$484.94$442.99Precision-crafted protection for your Onan generator's core. Enhances durability while shielding critical components from external elements. Manufactured as a genuine OEM part to guarantee seamless...$484.94$442.99 -
ONAN 1341325 BLOWER HOUSING AND WRAPPER Original ONAN/CUMMINS OEM part
ONAN
$732.17$668.84Cummins BLOWER HOUSING AND WRAPPER 134-1325 Our store proudly offers the Cummins BLOWER HOUSING AND WRAPPER with SKU 134-1325, ensuring you receive original replacement parts of top-notch quality...$732.17$668.84 -
ONAN 405934702 ENCLOSURE ROOF Original ONAN/CUMMINS OEM part
ONAN
$437.15$399.34Engineered to endure the toughest conditions, securing your ONAN generator’s longevity. Precision-fit design ensures optimal ventilation and protection against environmental elements. Built...$437.15$399.34 -
ONAN 1856803 INLET MANIFOLD ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$193.92$177.14Cummins INLET MANIFOLD ASSEMBLY 185-6803 When it comes to finding the most reliable and genuine parts for your outdoor equipment, look no further than our store. The INLET MANIFOLD ASSEMBLY, SKU...$193.92$177.14 -
ONAN 3383991 DOOR CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$906.45$828.04Cummins DOOR CONTROL HARNESS 338-3991 Find the authentic Cummins DOOR CONTROL HARNESS with SKU 338-3991 at our store. Engineered to precise specifications, this harness ensures proper functioning of...$906.45$828.04 -
ONAN A034H702 CONTACTOR Original ONAN/CUMMINS OEM part
ONAN
$1,060.83$969.07Precision-crafted to uphold ONAN's trusted legacy of power generation excellence. Robust electrical connectivity delivering seamless generator start-up and operation. Designed for durability to...$1,060.83$969.07 -
ONAN 3382750 BYPASS FRAME OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$830.46$758.63Precision engineered for dependable outdoor power solutions Robust harness design ensures seamless bypass frame integration Durability built to withstand harsh environmental conditions Guaranteed...$830.46$758.63 -
ONAN 404003903 FRONT ENCLOSURE PANEL Original ONAN/CUMMINS OEM part
ONAN
$496.35$453.42Engineered to protect, designed to perform—every ONAN part builds power that lasts. Durable front enclosure panel crafted for optimal shielding and ventilation. Precision fit ensures sustained...$496.35$453.42 -
ONAN 5030803 12 FEET OF 05030110 HOSE Original ONAN/CUMMINS OEM part
ONAN
$1,025.19$936.52Precision-engineered for seamless integration and optimal flow Durable construction designed to withstand rigorous generator conditions Authentic OEM component by ONAN, guaranteeing perfect...$1,025.19$936.52