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 319501402 CONTROL BOX Original ONAN/CUMMINS OEM part
ONAN
$514.14$469.67Precision control for uninterrupted power, engineered to excel. Robust design enhances system stability and extends engine life. Seamless compatibility with ONAN generators guarantees peak...$514.14$469.67 -
ONAN 405855202 LOUVER LIFT FRAME Original ONAN/CUMMINS OEM part
ONAN
$233.84$213.61Cummins LOUVER LIFT FRAME 405-8552-02 Discover the authentic Cummins Louver Lift Frame (SKU: 405-8552-02) at our store, where quality meets reliability. Engineered to meet the highest standards,...$233.84$213.61 -
ONAN A040P642 VALVE COVER Original ONAN/CUMMINS OEM part
ONAN
$156.62$143.07Cummins VALVE COVER A040P642 Discover the original "VALVE COVER" by Cummins, SKU A040P642, exclusively available at our online store. Crafted with precision and durability, this essential part...$156.62$143.07 -
ONAN A034R031 AUDIBLE ALARM Original ONAN/CUMMINS OEM part
ONAN
$112.50$102.77Experience uncompromised safety with precision-engineered Cummins Onan components. Features a clear and robust audible signal designed for dependable alerting under all operating conditions. Durably...$112.50$102.77 -
ONAN 3003992 REMOTE METER PANEL KIT Original ONAN/CUMMINS OEM part
ONAN
$356.09$325.29Cummins REMOTE METER PANEL KIT 300-3992 Discover the genuine Cummins REMOTE METER PANEL KIT (SKU: 300-3992) at our store, your ultimate destination for top-quality replacement parts. This kit allows...$356.09$325.29 -
ONAN 4200636 TOOL ADJUSTMENT VALVE LA Original ONAN/CUMMINS OEM part
ONAN
$207.40$189.46Cummins TOOL ADJUSTMENT VALVE LA 420-0636 Find the genuine Cummins TOOL ADJUSTMENT VALVE LA with SKU 420-0636 at our store. Our commitment to quality ensures that you receive authentic replacement...$207.40$189.46 -
ONAN 308104701 BASIN SWITCH Original ONAN/CUMMINS OEM part
ONAN
$414.15$378.33Precision engineered to empower your generator's core functionality Reliable operation ensures uninterrupted power delivery in critical moments Durability built to withstand rigorous generator...$414.15$378.33 -
ONAN 155264502 EXHAUST TUBE 5 INCH FLEXIBLE ACCESSORY Original ONAN/CUMMINS OEM part
ONAN
$1,187.13$1,084.44Engineered for lasting efficiency and durability Precision fit ensures seamless integration with your ONAN generator Corrosion-resistant design withstands demanding environments Certified OEM part...$1,187.13$1,084.44 -
ONAN 130590802 RADIATOR TUBE Original ONAN/CUMMINS OEM part
ONAN
$1,939.10$1,771.37Cummins RADIATOR TUBE 130-5908-02 Discover the genuine Cummins RADIATOR TUBE with SKU 130-5908-02, the perfect replacement part for your outdoor equipment needs. Our store stands out as your top...$1,939.10$1,771.37 -
ONAN 320188001 CIRCUIT BREAKER Original ONAN/CUMMINS OEM part
ONAN
$208.60$190.56Engineered for safety and precision – trust the ONAN 320-1880-01 circuit breaker to protect your generator’s critical components. Reliable reset functionality provides consistent performance to...$208.60$190.56 -
ONAN 3324060 INSULATOR CABLE Original ONAN/CUMMINS OEM part
ONAN
$342.90$313.24Cummins INSULATOR CABLE 332-4060 Our store offers the genuine Cummins INSULATOR CABLE, SKU 332-4060, ensuring top-notch quality and compatibility with your outdoor equipment. With our commitment to...$342.90$313.24 -
ONAN A030P916 METAL PANEL Original ONAN/CUMMINS OEM part
ONAN
$432.32$394.92Cummins METAL PANEL A030P916 Find the authentic Cummins METAL PANEL with SKU A030P916 at our store - the ideal choice for your outdoor equipment. Our inventory offers this original part at a...$432.32$394.92 -
ONAN 1852841 CAMSHAFT ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$311.79$284.82Engineered for Excellence: Deliver seamless timing and optimal engine function. Durability You Can Rely On: Crafted from premium materials to withstand rigorous use. 100% Genuine OEM Quality:...$311.79$284.82 -
ONAN J04160107 350 AMP BATTERY ISOLATOR Original ONAN/CUMMINS OEM part
ONAN
$254.16$232.18Empower your generator with unmatched reliability and authentic ONAN precision Ensures optimal battery charging separation to protect electrical components Designed to enhance system longevity and...$254.16$232.18 -
ONAN A028U747 CONNECTION BOARD Original ONAN/CUMMINS OEM part
ONAN
$128.60$117.48Experience uncompromised system integrity with the ONAN A028U747 CONNECTION BOARD designed for flawless power management. Ensures precise signal distribution critical for efficient generator...$128.60$117.48 -
ONAN A034H386 RADIATOR GUARD Original ONAN/CUMMINS OEM part
ONAN
$415.79$379.83Cummins RADIATOR GUARD A034H386 Discover the high-quality RADIATOR GUARD, SKU A034H386 from the renowned brand Cummins in our store. Our products are genuine and ensure a perfect fit for your...$415.79$379.83 -
ONAN 300631902 POWER SUPPLY MODULE Original ONAN/CUMMINS OEM part
ONAN
$345.13$315.27Cummins POWER SUPPLY MODULE 300-6319-02 Searching for a genuine Cummins POWER SUPPLY MODULE with SKU 300-6319-02 Look no further! Our store is your go-to destination for authentic replacement parts...$345.13$315.27 -
ONAN 4055233 HOUSING PANEL ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$473.90$432.91Cummins HOUSING PANEL ASSEMBLY 405-5233 Explore our wide selection of original Cummins HOUSING PANEL ASSEMBLY with SKU 405-5233. Crafted with precision and durability in mind, this product...$473.90$432.91 -
ONAN J0320002009 CIRCUIT BREAKER MINIATURE CIRCUIT BREAKER TP C60N/63AT D CURVE Original ONAN/CUMMINS OEM part
ONAN
$127.96$116.89Safety engineered for uninterrupted power delivery Reliable miniature circuit breaker with D curve trip characteristics Designed to protect critical generator components from overload and...$127.96$116.89 -
ONAN A034C698 134699 7 IN TO 5 IN FLEETGUARD REDUCER ELBOW Original ONAN/CUMMINS OEM part
ONAN
$226.76$207.15Precision engineered for unmatched performance and durability Ensures optimal exhaust flow efficiency to protect your generator system Manufactured to original Cummins / Onan specifications for...$226.76$207.15 -
ONAN 306428508 MAGNETO HELD COIL Original ONAN/CUMMINS OEM part
ONAN
$148.37$135.54Cummins MAGNETO HELD COIL 306-4285-08 Discover the top-quality MAGNETO HELD COIL by Cummins with SKU number 306-4285-08 at our online store. We take pride in offering authentic replacement parts for...$148.37$135.54 -
ONAN 1543299 HEAT SHEILD Original ONAN/CUMMINS OEM part
ONAN
$211.20$192.94Engineered for Peak Protection: Maintain optimal engine performance by safeguarding critical components from excessive heat. Durability Meets Precision: Crafted to match exact Cummins/Onan...$211.20$192.94 -
ONAN 404001603 ROOF PANEL Original ONAN/CUMMINS OEM part
ONAN
$388.56$354.95Cummins ROOF PANEL 404-0016-03 Discover the authentic Cummins ROOF PANEL, SKU 404-0016-03, exclusively at our store. Crafted with precision and durability in mind, this replacement part guarantees a...$388.56$354.95 -
ONAN 1304581 TUBE WTR HTR Original ONAN/CUMMINS OEM part
ONAN
$600.30$548.38Cummins TUBE WTR HTR NO LONGER AVAILABLE 130-4581 Discover the original "TUBE WTR HTR NO LONGER AVAILABLE" by Cummins, SKU 130-4581, exclusively at our store. Ensure top-notch performance and...$600.30$548.38 -
ONAN 3005443 MODULE RELAY KIT Original ONAN/CUMMINS OEM part
ONAN
$376.55$343.98Cummins MODULE RELAY KIT 300-5443 When seeking the highest quality replacement parts for your outdoor equipment, look no further than our store. We proudly offer the original MODULE RELAY KIT with...$376.55$343.98 -
ONAN A035J704 RADIATOR GUARD Original ONAN/CUMMINS OEM part
ONAN
$377.00$344.39Cummins RADIATOR GUARD A035J704 Choose quality and authenticity with the Cummins RADIATOR GUARD, SKU A035J704. Our store offers the best price for this original replacement part, ensuring your...$377.00$344.39 -
ONAN 420060906 FUEL LEVEL GAUGE Original ONAN/CUMMINS OEM part
ONAN
$305.85$279.39Precision engineered to keep your power flowing flawlessly Accurate fuel level readings for improved operational control Durable construction that stands the test of time and use 100% original OEM...$305.85$279.39 -
ONAN 1402783 AIR FILTER ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$514.43$469.93Precision-engineered protection for your Onan power system High-efficiency filtration maximizes engine longevity and fuel economy Robust design reduces emissions and maintains optimal air...$514.43$469.93 -
ONAN A034C695 HOSE CHARGE AIR COOLER 4 ID X 8 LONG 897925 Original ONAN/CUMMINS OEM part
ONAN
$153.90$140.59Precision-engineered durability: Trust in a hose crafted to withstand demanding charge air conditions, ensuring consistent engine performance. Enhanced cooling efficiency: Maintains optimal air...$153.90$140.59 -
ONAN A034H561 134311 FUEL PUMP SINGLE PHASE PANEL Original ONAN/CUMMINS OEM part
ONAN
$117.97$107.77Reliable Power Starts with Precision Fuel Delivery Consistent fuel flow for optimal engine performance Durable design engineered for long service life under demanding conditions Manufactured as an...$117.97$107.77 -
ONAN 5052422 4 IN NPT 90 DEGREE PIPE ELBOW Original ONAN/CUMMINS OEM part
ONAN
$197.48$180.40Engineered for precision and durability, this ONAN 505-2422 pipe elbow enhances system efficiency and reliability. Designed to maintain optimal flow dynamics under demanding conditions, ensuring...$197.48$180.40 -
ONAN 403439002 GEN MOUNTING PAD Original ONAN/CUMMINS OEM part
ONAN
$205.78$187.98Engineered for Durability: Experience unmatched stability with the ONAN 403-4390-02 GEN MOUNTING PAD designed to absorb vibrations and reduce wear. Precision Fit Installation: Crafted exclusively...$205.78$187.98 -
ONAN 1460873 FUEL SYSTEM MODULE Original ONAN/CUMMINS OEM part
ONAN
$179.77$164.22Unleash the power of precision with components engineered for excellence Seamless fuel management designed for peak generator performance Durable construction to withstand demanding operational...$179.77$164.22 -
ONAN A026F380 CABLE ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$21.80$19.92Built to empower your Onan generator's reliability with precision-engineered connectivity. Robust cable design ensures optimal electrical transmission and resistance to wear. Durability under...$21.80$19.92 -
ONAN 2490840 STARTER ENGINE COOLANT CIRC Original ONAN/CUMMINS OEM part
ONAN
$714.92$653.08Cummins STARTER ENGINE COOLANT CIRC 249-0840 Get your hands on the authentic Cummins STARTER ENGINE COOLANT CIRC, SKU 249-0840, only at our store. Designed to fit perfectly and deliver top-notch...$714.92$653.08 -
ONAN A040N964 CONTROL KIT Original ONAN/CUMMINS OEM part
ONAN
$533.10$486.99Engineered Precision Meets Lasting Performance Advanced Control Integration for Superior Generator Management Robust Construction Designed to Withstand Demanding Conditions 100% Genuine ONAN OEM...$533.10$486.99 -
ONAN 319517702 CIRCUIT BREAKER BRACKET Original ONAN/CUMMINS OEM part
ONAN
$636.29$581.25Cummins CIRCUIT BREAKER BRACKET 319-5177-02 Browse no further for your replacement needs as our store offers the original "CIRCUIT BREAKER BRACKET" with SKU "319-5177-02" by Cummins. With a...$636.29$581.25 -
ONAN 1551489 FLEXIBLE TUBING Original ONAN/CUMMINS OEM part
ONAN
$559.48$511.09Precision engineered for seamless integration and unrivaled durability. Key Feature: High-grade flexible tubing designed to withstand harsh operating conditions and maintain peak engine efficiency...$559.48$511.09 -
ONAN 3065404 BLOCK AND CROSSBAR ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$646.40$590.49Cummins BLOCK AND CROSSBAR ASSEMBLY 306-5404 Find the perfect replacement you need for your outdoor equipment with the original BLOCK AND CROSSBAR ASSEMBLY (SKU: 306-5404) by Cummins. Our store...$646.40$590.49 -
ONAN 1307014 RADIATOR BRACKET Original ONAN/CUMMINS OEM part
ONAN
$236.24$215.80Cummins RADIATOR BRACKET 130-7014 Discover the quality and reliability of the Cummins Radiator Bracket, SKU 130-7014, crafted to precision for optimum performance. Our store stands out as the top...$236.24$215.80