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 4054870 ACCESS DOOR ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$53.55$48.92Engineered for seamless protection: Safeguard your generator with a perfectly crafted access point. Durability meets design: This assembly resists wear and the elements to maintain long-term...$53.55$48.92 -
ONAN 130542402 SUPPORT RADIATOR (SIDE) Original OEM part
ONAN
$140.88$128.70Cummins 130-5424-02 - SUPPORT RADIATOR (SIDE) - NO LONGER AVAILABLE MINS130-5424-02 Discover the authentic 130-5424-02 Support Radiator (Side) - No Longer Available from Cummins at our store. With...$140.88$128.70 -
ONAN 302205610 TRANSFORMER CURRENT 1000 Original ONAN/CUMMINS OEM part
ONAN
$175.22$160.06Cummins TRANSFORMER CURRENT 1000 302-2056-10 Get your hands on the original "TRANSFORMER CURRENT 1000" with SKU 302-2056-10 from Cummins. Our store offers genuine replacement parts for outdoor...$175.22$160.06 -
ONAN 1855630 INJECTION PUMP GEAR Original ONAN/CUMMINS OEM part
ONAN
$111.42$101.78Cummins INJECTION PUMP GEAR 185-5630 Delve into our selection and find the original "INJECTION PUMP GEAR" with SKU "185-5630" from the renowned brand Cummins. For a hassle-free shopping experience,...$111.42$101.78 -
ONAN 1304211 FAN SPACER Original ONAN/CUMMINS OEM part
ONAN
$136.26$124.47Precision engineered for peak cooling efficiency Enhances fan alignment to reduce wear and noise 100% Genuine OEM part from ONAN for seamless compatibility ONAN 130-4211 FAN SPACER – Powering...$136.26$124.47 -
ONAN 5052399 1 NPT F/F 90 DEGREE PIPE ELBOW Original ONAN/CUMMINS OEM part
ONAN
$86.42$78.94Engineered for seamless system integration and durability Precision 90-degree angle design for optimal flow and fit Durable construction to withstand demanding operational conditions Authentic OEM...$86.42$78.94 -
ONAN 5032782 INTAKE HOSE Original ONAN/CUMMINS OEM part
ONAN
$149.89$136.93Cummins INTAKE HOSE 5032782 Upgrade your equipment with the original INTAKE HOSE by Cummins, SKU 5032782, ensuring perfect compatibility and optimal performance. Our store stands out as your top...$149.89$136.93 -
ONAN 1307714 WATER HEATER TUBE Original ONAN/CUMMINS OEM part
ONAN
$144.90$132.37Cummins WATER HEATER TUBE 130-7714 Upgrade your lawn mower or outdoor equipment with the original Cummins WATER HEATER TUBE (SKU: 130-7714). Crafted for durability and efficiency, this high-quality...$144.90$132.37 -
ONAN A026C550 MOUNTING BRACKET Original ONAN/CUMMINS OEM part
ONAN
$89.16$81.45Cummins MOUNTING BRACKET A026C550 Unleash the full potential of your outdoor equipment with the genuine "MOUNTING BRACKET" by Cummins (SKU: A026C550). Crafted to perfection, this mounting bracket...$89.16$81.45 -
ONAN A034P825 FERRITE FILTER Original ONAN/CUMMINS OEM part
ONAN
$108.02$98.67Precision-engineered for optimal electrical noise reduction, ensuring smooth generator operation. High durability ferrite material minimizes electromagnetic interference, protecting your power...$108.02$98.67 -
ONAN 3020461 AC VOLTMETER Original ONAN/CUMMINS OEM part
ONAN
$46.30$42.30Precision meets durability in every genuine ONAN component. Accurate AC voltage readings to maintain optimal generator function. Designed specifically to integrate seamlessly with Onan generator...$46.30$42.30 -
ONAN 5100265 BALL BEARING Original ONAN/CUMMINS OEM part
ONAN
$125.87$114.98Engineered to perform, built to last — trust the cornerstone of your generator’s smooth operation. Precision-crafted ball bearing that minimizes friction for enhanced generator efficiency. Robust...$125.87$114.98 -
ONAN 302205515 CURRENT TRANSFORMER Original ONAN/CUMMINS OEM part
ONAN
$358.63$327.61Precision engineered for uncompromising power system accuracy Essential for optimal current measurement and load protection Durable design ensures consistent performance under demanding...$358.63$327.61 -
ONAN 5030606 SINGLE HUMP HOSE Original ONAN/CUMMINS OEM part
ONAN
$207.42$189.48Cummins SINGLE HUMP HOSE 503-0606 Find the original SINGLE HUMP HOSE (SKU: 503-0606) from Cummins at our store. With a commitment to quality, our products are sourced directly from the manufacturer...$207.42$189.48 -
ONAN 1856055 OIL FILTER ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$133.99$122.40Cummins OIL FILTER ASSEMBLY 185-6055 Explore our inventory for the premium "OIL FILTER ASSEMBLY" by Cummins, SKU: "185-6055". We pride ourselves in offering only genuine replacement parts to ensure...$133.99$122.40 -
ONAN 190076202 ALIGNMENT SLEEVE Original ONAN/CUMMINS OEM part
ONAN
$110.20$100.67Precision engineered to maintain optimal generator alignment and performance Constructed for durability to withstand rigorous operational demands Genuine OEM part from ONAN, crafted for perfect...$110.20$100.67 -
ONAN A035C076 CIRCUIT BREAKER BOX PANEL Original ONAN/CUMMINS OEM part
ONAN
$84.64$77.32Precision engineered for dependable power protection in every moment Robust circuit breaker panel designed for continuous safe operation Durable construction ensures long-term reliability under...$84.64$77.32 -
ONAN 3064547 BRACKET MOUNTING Original ONAN/CUMMINS OEM part
ONAN
$191.49$174.93Cummins BRACKET MOUNTING NO LONGER AVAILABLE 306-4547 Discover the Cummins BRACKET MOUNTING NO LONGER AVAILABLE with SKU 306-4547, a top-quality replacement part now available in our store. Trust in...$191.49$174.93 -
ONAN 5032685 TOP HOSE Original ONAN/CUMMINS OEM part
ONAN
$83.79$76.55Cummins TOP HOSE 503-2685 Explore our store for the top-quality "TOP HOSE" by Cummins, SKU 503-2685. We pride ourselves on providing only original replacement parts for lawn mowers and outdoor...$83.79$76.55 -
ONAN 3190072 OT3 BATTERY CHARGER WRAPPER Original ONAN/CUMMINS OEM part
ONAN
$500.22$456.95Cummins OT3 BATTERY CHARGER WRAPPER 319-0072 Our store is the top choice for purchasing the OT3 BATTERY CHARGER WRAPPER, SKU 319-0072 by Cummins. Ensure the longevity and optimal performance of your...$500.22$456.95 -
ONAN A029L814 EDGE SEAL Original ONAN/CUMMINS OEM part
ONAN
$42.98$39.27Precision engineered by ONAN for seamless integration and superior protection. Durable edge seal reduces wear and protects critical components from contaminants. Maintains optimal engine performance...$42.98$39.27 -
ONAN A029F369 HEAT SHIELD Original ONAN/CUMMINS OEM part
ONAN
$151.22$138.14Precision-engineered to safeguard your generator from excessive heat and ensure lasting performance. Constructed with high-grade materials for superior durability in demanding environments. Genuine...$151.22$138.14 -
ONAN 302205612 TRANSFORMER CURRENT 150 Original ONAN/CUMMINS OEM part
ONAN
$173.16$158.18Cummins TRANSFORMER CURRENT 150 302-2056-12 Discover the genuine Cummins TRANSFORMER CURRENT 150 with SKU 302-2056-12, exclusively available at our store. Engineered to meet the highest quality...$173.16$158.18 -
ONAN 501053749 FLEXIBLE FUEL HOSE Original ONAN/CUMMINS OEM part
ONAN
$196.07$179.11Precision engineered for unwavering fuel delivery Durable construction ensures extended service life Flexible design for easy installation and optimal fit Authentic ONAN OEM component crafted to...$196.07$179.11 -
ONAN 1542718 EXHAUST TUBE Original ONAN/CUMMINS OEM part
ONAN
$115.25$105.28Precision-engineered for seamless performance and durability Optimized exhaust flow to maintain engine efficiency and reduce noise Crafted as an authentic OEM component from ONAN to guarantee full...$115.25$105.28 -
ONAN 113031005 RING SET Original ONAN/CUMMINS OEM part
ONAN
$109.52$100.04Cummins RING SET 113-0310-05 For those in need of a reliable RING SET, the Cummins 113-0310-05 is the ideal choice. Crafted to exact specifications, this original part guarantees a perfect fit and...$109.52$100.04 -
ONAN 405652303 END ROOF PANEL Original ONAN/CUMMINS OEM part
ONAN
$493.50$450.82Cummins END ROOF PANEL 405-6523-03 We offer the original Cummins END ROOF PANEL with SKU 405-6523-03, ensuring top-notch quality and compatibility with your outdoor equipment. Trust us as your...$493.50$450.82 -
ONAN A028V619 FUEL MANIFOLD Original ONAN/CUMMINS OEM part
ONAN
$54.82$50.07Precision engineered to power your peace of mind. Seamless fuel flow management for superior engine performance. Robust construction that withstands rigorous operating conditions. Guaranteed Genuine...$54.82$50.07 -
ONAN 1307638 BOTTOM RADIATOR GUARD Original ONAN/CUMMINS OEM part
ONAN
$149.63$136.68Engineered to protect and perform where it matters most. Durable construction shields your radiator from debris and damage. Maintains optimal engine temperature and system reliability. 100% OEM part...$149.63$136.68 -
ONAN A035D974 RIGID INSULATION Original ONAN/CUMMINS OEM part
ONAN
$81.38$74.34Cummins RIGID INSULATION A035D974 Discover the top-quality RIGID INSULATION, SKU A035D974 by Cummins, at our store. Only original parts guarantee peak performance and durability for your outdoor...$81.38$74.34 -
ONAN A034C656 CLAMP 2.5 INCH CHARGE AIR COOLER Original ONAN/CUMMINS OEM part
ONAN
$90.42$82.60Engineered to preserve peak power with precision and durability Robust clamp ensures a tight seal for the 2.5 inch charge air cooler, minimizing air leaks Manufactured as a genuine OEM part by ONAN...$90.42$82.60 -
ONAN 3061372S0 HANDLE ASM ACTUATOR Original ONAN/CUMMINS OEM part
ONAN
$197.58$180.49Cummins HANDLE ASM ACTUATOR NO LONGER AVAILABLE 306-1372-S0 Discover the elusive HANDLE ASM ACTUATOR NO LONGER AVAILABLE by Cummins, SKU 306-1372-S0, exclusively at our online store. Sourced...$197.58$180.49 -
ONAN 3300145 CONNECTOR BOX Original ONAN/CUMMINS OEM part
ONAN
$19.41$17.73Precision engineered for seamless power connections and unmatched reliability Durable construction ensuring long-term operation under demanding conditions Authentic ONAN OEM part guaranteeing...$19.41$17.73 -
ONAN 3065411 ACTUATOR BRACKET Original ONAN/CUMMINS OEM part
ONAN
$49.94$45.62Precision engineered for seamless integration with your Onan generator Robust construction ensuring lasting durability under demanding conditions Maintains optimal actuator alignment to support...$49.94$45.62 -
ONAN 128015412 FOAM INSULATION Original ONAN/CUMMINS OEM part
ONAN
$102.05$93.22Precision-engineered for lasting thermal protection and noise reduction Maintains optimal engine temperatures and extends component lifespan Certified OEM quality ensures perfect fit and dependable...$102.05$93.22 -
ONAN 5031382 RADIATOR UPPER HOSE Original ONAN/CUMMINS OEM part
ONAN
$147.30$134.56Cummins RADIATOR UPPER HOSE 503-1382 Our store proudly offers the genuine Cummins RADIATOR UPPER HOSE (SKU: 503-1382), ensuring exact fit and top-notch performance for your outdoor equipment...$147.30$134.56 -
ONAN A028X444 BULKHEAD PLATE Original ONAN/CUMMINS OEM part
ONAN
$70.19$64.12Cummins BULKHEAD PLATE A028X444 Need an original BULKHEAD PLATE with top-notch quality for your outdoor equipment Look no further than our store! With the Cummins brand and SKU A028X444, we pride...$70.19$64.12 -
ONAN 5050689 HALF NIPPLE Original ONAN/CUMMINS OEM part
ONAN
$131.10$119.76Engineered precision meets lasting reliability Designed to deliver optimal fuel and airflow connection for smooth generator operation Constructed from durable materials to withstand rigorous use...$131.10$119.76 -
ONAN 319610302 BRACKET CONTROL BOX GCS Original ONAN/CUMMINS OEM part
ONAN
$306.20$279.72Engineered for seamless power control stability Ensures robust mounting for control box integrity under all conditions Manufactured as a genuine OEM part by ONAN assuring perfect compatibility ONAN...$306.20$279.72 -
ONAN A035B031 CIRCUIT BREAKER BRACKET Original ONAN/CUMMINS OEM part
ONAN
$132.23$120.79Cummins CIRCUIT BREAKER BRACKET A035B031 Elevate your outdoor equipment's longevity with the genuine "CIRCUIT BREAKER BRACKET" from Cummins. Our SKU A035B031 ensures a perfect fit and optimal...$132.23$120.79