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 541165705 5 TO 12 IN FLEX PIPE KIT Original ONAN/CUMMINS OEM part
ONAN
$1,628.43$1,487.57Cummins 5 TO 12 IN FLEX PIPE KIT 541-1657-05 Discover the top-quality 5 TO 12 IN FLEX PIPE KIT by Cummins, with SKU 541-1657-05, available exclusively at our store. Crafted with precision and...$1,628.43$1,487.57 -
ONAN 320196206 ACCESORY CIRCUIT BREAKER Original ONAN/CUMMINS OEM part
ONAN
$1,643.34$1,501.19Precision engineered to safeguard your power system’s integrity Durable construction designed for uninterrupted circuit protection Seamless compatibility with ONAN generators ensures optimal...$1,643.34$1,501.19 -
ONAN 307274803 PHASE BALANCE RELAY Original ONAN/CUMMINS OEM part
ONAN
$2,203.94$2,013.30Cummins PHASE BALANCE RELAY 307-2748-03 Ensuring your outdoor equipment operates efficiently is crucial, and the Cummins PHASE BALANCE RELAY (SKU: 307-2748-03) guarantees optimal performance. Trust...$2,203.94$2,013.30 -
ONAN A030P972 CONTROL BOX COVER Original ONAN/CUMMINS OEM part
ONAN
$237.34$216.81Engineered for excellence with ONAN precision. Durable construction provides superior protection for your control box. Easy installation for quick restoration of your power system's integrity...$237.34$216.81 -
ONAN 3150379 BATTERY CHARGER TRANSFORMER Original ONAN/CUMMINS OEM part
ONAN
$2,254.17$2,059.19Precision engineered for the power you depend on Robust transformer core designed for maximum efficiency Seamlessly maintains battery health and charging consistency 100% genuine OEM component from...$2,254.17$2,059.19 -
ONAN 405938802 ENCLOSURE DOOR Original ONAN/CUMMINS OEM part
ONAN
$780.14$712.66Precision-engineered protection for your generator enclosure Durable construction ensures long-lasting defense against elements Trusted OEM quality designed specifically for ONAN equipment Maintains...$780.14$712.66 -
ONAN A034F377 108 IN 2 IN NPT FUEL TANK NORMAL VENTILATOR Original ONAN/CUMMINS OEM part
ONAN
$1,596.20$1,458.13Engineered Precision for Uninterrupted Performance Maintains optimal fuel tank pressure and ventilation Durable design for long-lasting reliability in demanding conditions 100% Genuine ONAN OEM part...$1,596.20$1,458.13 -
ONAN 3051040 VOLTAGE REGULATOR Original ONAN/CUMMINS OEM part
ONAN
$1,479.14$1,351.19Cummins VOLTAGE REGULATOR 305-1040 Find the original Cummins 305-1040 Voltage Regulator at our store, the ultimate solution for your outdoor equipment needs. Engineered for optimal performance and...$1,479.14$1,351.19 -
ONAN 5032826 FUEL HOSE Original ONAN/CUMMINS OEM part
ONAN
$1,376.50$1,257.44Precision-engineered to maintain peak fuel delivery and engine efficiency Durable construction ensures long service life even under challenging conditions Certified OEM component directly from ONAN...$1,376.50$1,257.44 -
ONAN A040A000 ACCESSORY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$963.93$880.55Precision-engineered for flawless integration Durable construction for extended service life Maintains optimal performance and system safety 100% genuine OEM Cummins/Onan component ONAN A040A000...$963.93$880.55 -
ONAN 335025107 MEDIUM HIGH CABLE ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$1,363.03$1,245.13Cummins MEDIUM HIGH CABLE ASSEMBLY 335-0251-07 Featuring the high-quality Cummins brand, the MEDIUM HIGH CABLE ASSEMBLY SKU 335-0251-07 is a reliable replacement part. Ensure a hassle-free...$1,363.03$1,245.13 -
ONAN 335025106 MEDIUM HIGH CABLE ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$1,436.47$1,312.22Cummins MEDIUM HIGH CABLE ASSEMBLY 335-0251-06 Discover the genuine Cummins MEDIUM HIGH CABLE ASSEMBLY with SKU 335-0251-06 at our store, the ultimate destination for premium replacement parts...$1,436.47$1,312.22 -
ONAN A034F367 96 IN 2 IN NPT FUEL TANK NORMAL VENTILATOR Original ONAN/CUMMINS OEM part
ONAN
$1,499.14$1,369.46Engineered Precision for Unmatched Reliability Optimized to maintain peak generator efficiency and longevity Ensures perfect compatibility and OEM-grade durability Certified genuine Onan component...$1,499.14$1,369.46 -
ONAN 220452701 WOUND STATOR ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$2,932.78$2,679.10Cummins WOUND STATOR ASSEMBLY 220-4527-01 Find the best replacement parts for your outdoor equipment at our store, including the Original WOUND STATOR ASSEMBLY with SKU 220-4527-01 by Cummins. Our...$2,932.78$2,679.10 -
ONAN 3072888 SOLENOID VALVE Original ONAN/CUMMINS OEM part
ONAN
$822.08$750.97Cummins SOLENOID VALVE 307-2888 Find the authentic Cummins SOLENOID VALVE (SKU: 307-2888) in our store, your top choice for quality replacement parts. Engineered to precision, this product...$822.08$750.97 -
ONAN A030Y929 125042 COOLANT SUCTION PIPE Original ONAN/CUMMINS OEM part
ONAN
$721.73$659.30Engineered for Precision and Longevity Maintains Optimal Engine Cooling Performance 100% Genuine ONAN OEM Component for Ultimate Compatibility ONAN A030Y929 COOLANT SUCTION PIPE – The Lifeline Your...$721.73$659.30 -
ONAN 5410402 LIQUID PROPANE GAS CARBURETOR KIT Original ONAN/CUMMINS OEM part
ONAN
$1,335.33$1,219.82Cummins LIQUID PROPANE GAS CARBURETOR KIT 541-0402 Discover the original Cummins LIQUID PROPANE GAS CARBURETOR KIT with SKU 541-0402, designed to optimize the performance of your outdoor equipment...$1,335.33$1,219.82 -
ONAN A026C604 CONTROL DISPLAY Original ONAN/CUMMINS OEM part
ONAN
$1,728.72$1,579.18Performance you can trust: Seamlessly monitor and control your generator with engineered precision. Advanced user interface: Easily navigate settings for enhanced operational efficiency. Genuine...$1,728.72$1,579.18 -
ONAN 320181108 SENSOR GROUND FAULT NEUT Original ONAN/CUMMINS OEM part
ONAN
$3,024.00$2,762.43Cummins SENSOR GROUND FAULT NEUT 320-1811-08 Find the genuine Cummins SENSOR GROUND FAULT NEUT with SKU 320-1811-08 at our store. We're your top choice for authentic replacement parts. Ensure your...$3,024.00$2,762.43 -
ONAN 320181003 SENSOR GROUND FAULT NEUT Original ONAN/CUMMINS OEM part
ONAN
$3,024.00$2,762.43Cummins SENSOR GROUND FAULT NEUT 320-1810-03 Discover the SENSOR GROUND FAULT NEUT from Cummins, SKU 320-1810-03, at our online store where authenticity meets affordability. Our collection of...$3,024.00$2,762.43 -
ONAN A040R538 FUEL INJECTOR Original ONAN/CUMMINS OEM part
ONAN
$674.37$616.04Engineered for enduring reliability and seamless integration Precision fuel delivery optimizes engine efficiency and emissions control Manufactured by ONAN to meet strict OEM standards Direct...$674.37$616.04 -
ONAN 337403901 BUS BAR LUG Original ONAN/CUMMINS OEM part
ONAN
$472.44$431.57Cummins BUS BAR LUG NO LONGER AVAILABLE 337-4039-01 If you're in need of the original BUS BAR LUG NO LONGER AVAILABLE from Cummins with the SKU 337-4039-01, look no further. Our store offers genuine...$472.44$431.57 -
ONAN 337403701 BUS BAR LUG Original ONAN/CUMMINS OEM part
ONAN
$470.19$429.52Cummins BUS BAR LUG NO LONGER AVAILABLE 337-4037-01 Discover the sought-after Cummins BUS BAR LUG NO LONGER AVAILABLE, SKU 337-4037-01, exclusively in our store. As original equipment enthusiasts,...$470.19$429.52 -
ONAN 319479402 CONTROL BOX TYPE 1 Original ONAN/CUMMINS OEM part
ONAN
$1,008.69$921.44Engineered for unmatched control and durability in your Onan generator system Precision-designed to maintain optimal engine timing and performance Ensures consistent power output for dependable...$1,008.69$921.44 -
ONAN 1403589 0140 3752 ELEMENT AIR CLEANER Original ONAN/CUMMINS OEM part
ONAN
$1,268.92$1,159.16Precision-engineered to safeguard your generator’s heart and soul Advanced filtration technology ensures clean airflow and consistent engine efficiency Durable construction designed to withstand...$1,268.92$1,159.16 -
ONAN A034E805 BUSBAR Original ONAN/CUMMINS OEM part
ONAN
$527.32$481.70Precision engineered for unmatched power integrity Enhances electrical conductivity and system stability Designed for seamless integration with ONAN generator systems Certified genuine OEM part...$527.32$481.70 -
ONAN A026F437 AIR DUCT Original ONAN/CUMMINS OEM part
ONAN
$1,676.45$1,531.44Cummins AIR DUCT A026F437 Need an original AIR DUCT Look no further than our store! The AIR DUCT, SKU A026F437, by Cummins, guarantees top quality and a perfect fit for your outdoor equipment. Don't...$1,676.45$1,531.44 -
ONAN A035F020 INDUCTION TUBE Original ONAN/CUMMINS OEM part
ONAN
$902.72$824.63Cummins INDUCTION TUBE A035F020 The INDUCTION TUBE with SKU A035F020 by Cummins is a top-notch replacement part ensuring optimal performance for your outdoor equipment. Our store proudly offers...$902.72$824.63 -
ONAN 3080498 SWITCH AMP VOLTMETER Original ONAN/CUMMINS OEM part
ONAN
$1,953.45$1,784.48Cummins SWITCH AMP VOLTMETER 308-0498 Upgrade your outdoor equipment with the original Cummins SWITCH AMP VOLTMETER (SKU: 308-0498). Trust in the quality and accuracy of Cummins products to ensure...$1,953.45$1,784.48 -
ONAN 4054114 CENTER HOUSING ROOF Original ONAN/CUMMINS OEM part
ONAN
$1,982.06$1,810.61Engineered for endurance and precision fit Robust protection to safeguard your generator’s core components Optimized for long-lasting performance under demanding conditions 100% Genuine OEM ONAN...$1,982.06$1,810.61 -
ONAN A041D413 CIRCUIT BREAKER KIT Original ONAN/CUMMINS OEM part
ONAN
$1,452.20$1,326.59Power protection engineered for uncompromising safety and durability Reliable trip functionality safeguards your generator against overloads and electrical faults Precision OEM design ensures...$1,452.20$1,326.59 -
ONAN A035E012 CGHJ430000 DOOR HOUSING Original ONAN/CUMMINS OEM part
ONAN
$483.27$441.47Engineered precision for lasting generator protection Durable design ensuring optimal structural integrity OEM-certified for seamless fit and performance Authentic ONAN component guaranteeing...$483.27$441.47 -
ONAN 306499203 TRANSFER SWITCH ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$1,289.78$1,178.22Cummins TRANSFER SWITCH ASSEMBLY 306-4992-03 Ensure seamless power transitions with the Cummins TRANSFER SWITCH ASSEMBLY (SKU: 306-4992-03). Crafted with precision, this original part guarantees...$1,289.78$1,178.22 -
ONAN 335025105 MEDIUM HIGH CABLE ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$1,743.63$1,592.80Cummins MEDIUM HIGH CABLE ASSEMBLY 335-0251-05 Discover the genuine Cummins MEDIUM HIGH CABLE ASSEMBLY, SKU 335-0251-05, available exclusively in our store. Crafted with precision to meet your...$1,743.63$1,592.80 -
ONAN 1554516 EXHAUST CONNECTOR Original ONAN/CUMMINS OEM part
ONAN
$805.56$735.88Engineered Precision, Enduring Reliability—trust in a connector designed to harmonize with your generator’s exhaust system seamlessly. Durable Construction crafted to withstand high temperatures and...$805.56$735.88 -
ONAN 1305845 FAN GUARD BRACKET Original ONAN/CUMMINS OEM part
ONAN
$2,048.79$1,871.57Engineered for unmatched reliability and safety in every turn. Robust steel construction guards your generator fan against damage. Precisely designed for exact fit and seamless integration with your...$2,048.79$1,871.57 -
ONAN 308091304 SWITCH FLOAT DG Original ONAN/CUMMINS OEM part
ONAN
$1,447.89$1,322.65Cummins SWITCH FLOAT DG 308-0913-04 Find the original SWITCH FLOAT DG by Cummins with ease at our store! Our replacement parts are genuine and will ensure optimal performance for your outdoor...$1,447.89$1,322.65 -
ONAN J01308674 PK00239A3 VF MANIFOLD Original ONAN/CUMMINS OEM part
ONAN
$432.20$394.82Cummins PK-00-239A-3 VF MANIFOLD J0130-8674 When it comes to finding an authentic PK-00-239A-3 VF MANIFOLD, look no further than our store carrying the premium Cummins brand. Ensure the perfect fit...$432.20$394.82 -
ONAN A026D370 CONTROL CARD Original ONAN/CUMMINS OEM part
ONAN
$1,566.83$1,431.30Cummins CONTROL CARD A026D370 Find the authentic Cummins CONTROL CARD, SKU A026D370, exclusively at our store. Our expertise ensures you receive the highest quality replacement part for your outdoor...$1,566.83$1,431.30 -
ONAN 4057274 RDTR FRONT ENCLOSURE PANEL Original ONAN/CUMMINS OEM part
ONAN
$890.49$813.47Cummins RDTR FRONT ENCLOSURE PANEL 405-7274 Find the authentic Cummins RDTR FRONT ENCLOSURE PANEL with SKU 405-7274 at our online store. We pride ourselves on providing genuine replacement parts for...$890.49$813.47