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 A043H284 ENCLOSURE POST Original ONAN/CUMMINS OEM part
ONAN
$340.19$310.77Cummins ENCLOSURE POST A043H284 Upgrade your outdoor equipment with the genuine Cummins ENCLOSURE POST (SKU: A043H284). Our store is your trusted source for authentic replacement parts. Ensure...$340.19$310.77 -
ONAN A043G322 ENCLOSURE LOUVER Original ONAN/CUMMINS OEM part
ONAN
$31.19$28.50Precision Ventilation for Optimal Engine Performance Durable construction engineered to withstand demanding environments Guaranteed genuine OEM part from ONAN, designed for seamless fit and peak...$31.19$28.50 -
ONAN A043G054 TEMPERATURE SENSOR Original ONAN/CUMMINS OEM part
ONAN
$318.25$290.72Cummins TEMPERATURE SENSOR A043G054 Quality meets affordability with the Cummins TEMPERATURE SENSOR (SKU: A043G054) available at our online store. We pride ourselves on providing original...$318.25$290.72 -
ONAN A043F922 CIRCUIT BREAKER Original ONAN/CUMMINS OEM part
ONAN
$71.82$65.60Engineered for precision, built for protection — your Onan system’s safety cornerstone. Reliable circuit interruption to shield your generator from electrical faults. Durable design guaranteeing...$71.82$65.60 -
ONAN A043D813 HEATER INSTALLATION Original ONAN/CUMMINS OEM part
ONAN
$444.74$406.27Experience seamless power with the precision-engineered ONAN solution. Robust heater installation designed to maintain optimal engine temperatures efficiently. Durability engineered by ONAN for...$444.74$406.27 -
ONAN A043D271 INLET MANIFOLD GASKET Original ONAN/CUMMINS OEM part
ONAN
$12.15$11.10Cummins INLET MANIFOLD GASKET A043D271 Find the genuine "INLET MANIFOLD GASKET" with SKU "A043D271" from Cummins at our store, your one-stop destination for premium replacement parts. Trust in the...$12.15$11.10 -
ONAN A043C069 PANEL ENCLOSURE Original ONAN/CUMMINS OEM part
ONAN
$1,382.92$1,263.29Cummins PANEL ENCLOSURE NO LONGER AVAILABLE A043C069 Discover the elusive PANEL ENCLOSURE NO LONGER AVAILABLE, SKU A043C069 by Cummins now in stock. Rest assured, our store is your ultimate...$1,382.92$1,263.29 -
ONAN A043B857 SUPPORT BRACKET Original ONAN/CUMMINS OEM part
ONAN
$484.88$442.94Cummins SUPPORT BRACKET A043B857 Ensure the optimal functioning of your outdoor equipment with the genuine "SUPPORT BRACKET" (SKU: A043B857) from Cummins. Engineered to the highest standards of...$484.88$442.94 -
ONAN A043A230 CIRCUIT CARD HARNESS Original ONAN/CUMMINS OEM part
ONAN
$66.60$60.84Dependable connectivity engineered for peak performance Precision-crafted wiring harness to maintain system integrity Designed exclusively for seamless integration with ONAN generators Authentic OEM...$66.60$60.84 -
ONAN A042Y991 CABLE CLAMP Original ONAN/CUMMINS OEM part
ONAN
$10.18$9.30Precision engineered for dependable connectivity Durable design for secure cable management under demanding conditions High-grade OEM component from ONAN guaranteeing seamless...$10.18$9.30 -
ONAN A042Y753 SENSING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$71.66$65.46Cummins SENSING HARNESS A042Y753 Upgrade your outdoor equipment with the genuine "SENSING HARNESS" from Cummins, SKU A042Y753. Precision-engineered for top performance, this part ensures seamless...$71.66$65.46 -
ONAN A042Y619 POWER CABLE Original ONAN/CUMMINS OEM part
ONAN
$50.10$45.77Cummins POWER CABLE A042Y619 Discover the Cummins POWER CABLE, SKU A042Y619, designed to deliver reliable and efficient performance for your outdoor equipment. With our store, rest assured that...$50.10$45.77 -
ONAN A042Y601 GENERATOR ELECTRIC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$661.98$604.72Cummins GENERATOR ELECTRIC HARNESS A042Y601 Find top-quality original GENERATOR ELECTRIC HARNESS A042Y601 by Cummins in our store. With a focus on providing reliable replacement parts, we offer the...$661.98$604.72 -
ONAN A042X594 COPPER BUSBAR Original ONAN/CUMMINS OEM part
ONAN
$281.88$257.50Precision engineered for dependable power delivery and unmatched durability High-purity copper construction optimizes electrical conductivity for efficient generator operation Corrosion-resistant...$281.88$257.50 -
ONAN A042X428 EXHAUST PIPE Original ONAN/CUMMINS OEM part
ONAN
$417.64$381.51Precision engineered exhaust solutions designed to maintain your generator's heart and soul. Robust construction for optimal heat resistance and corrosion protection. Perfectly matched to Onan...$417.64$381.51 -
ONAN A042W536 FAN DRIVE PULLEY Original ONAN/CUMMINS OEM part
ONAN
$1,267.38$1,157.75Precision engineered to maintain optimal engine temperature under all operating conditions. Durable construction designed to withstand demanding power generation environments. Critical component for...$1,267.38$1,157.75 -
ONAN A042W532 SOLENOID BRACKET Original ONAN/CUMMINS OEM part
ONAN
$30.64$27.99Cummins SOLENOID BRACKET A042W532 Discover the genuine Cummins SOLENOID BRACKET with SKU A042W532, available exclusively at our online store. Our commitment to delivering original replacement parts...$30.64$27.99 -
ONAN A042W530 FUEL PUMP BRACKET Original ONAN/CUMMINS OEM part
ONAN
$58.43$53.37Cummins FUEL PUMP BRACKET A042W530 The Cummins FUEL PUMP BRACKET (SKU A042W530) at our store is the epitome of durability and reliability. Crafted to precise standards, rest assured this original...$58.43$53.37 -
ONAN A042W505 FLAT WASHER Original ONAN/CUMMINS OEM part
ONAN
$4.18$3.82Precision engineered for flawless integration Durable flat washer ensures secure and stable mounting Original Equipment Manufacturer (OEM) quality from ONAN delivers unmatched reliability ONAN...$4.18$3.82 -
ONAN A042W458 ACCESSORIES KIT Original ONAN/CUMMINS OEM part
ONAN
$7,108.22$6,493.36Precision-engineered for uncompromising generator support Comprehensive kit tailored to ensure optimal system harmony Durable components built to withstand demanding operating conditions Authentic...$7,108.22$6,493.36 -
ONAN A042W194 RADIATOR CORE Original ONAN/CUMMINS OEM part
ONAN
$9,057.30$8,273.85Cummins RADIATOR CORE A042W194 Find your solution with the original "RADIATOR CORE" by Cummins, SKU A042W194. Our store offers authentic parts at the best prices with fast shipping, ensuring you get...$9,057.30$8,273.85 -
ONAN A042W175 EXHAUST INSULATION Original ONAN/CUMMINS OEM part
ONAN
$1,670.36$1,525.87Engineered precision that safeguards every exhaust pulse High-temperature resistance for enhanced engine safety Vibration dampening to extend system lifespan Authentic ONAN OEM component...$1,670.36$1,525.87 -
ONAN A042W143 RADIATOR HOSE Original ONAN/CUMMINS OEM part
ONAN
$731.95$668.64Cummins RADIATOR HOSE A042W143 Experience power and efficiency with the original Cummins RADIATOR HOSE, SKU A042W143. Our store proudly provides authentic replacement parts to ensure top-notch...$731.95$668.64 -
ONAN A042V555 SOCKET HEAD SCREW Original ONAN/CUMMINS OEM part
ONAN
$4.45$4.06Cummins SOCKET HEAD SCREW A042V555 Our online store proudly offers the original SOCKET HEAD SCREW with SKU A042V555 from the renowned brand Cummins. Engineered for durability and precision, this...$4.45$4.06 -
ONAN A042U718 TRANSFER SWITCH DOOR Original ONAN/CUMMINS OEM part
ONAN
$98.86$90.31Cummins TRANSFER SWITCH DOOR A042U718 Explore our inventory for the top-quality Cummins TRANSFER SWITCH DOOR with SKU A042U718. With a focus on authenticity, our store ensures that you only receive...$98.86$90.31 -
ONAN A042U183 PLATE COVER Original ONAN/CUMMINS OEM part
ONAN
$25.05$22.88Cummins PLATE COVER A042U183 Discover the genuine Cummins PLATE COVER, SKU A042U183, meticulously crafted to fit your outdoor equipment perfectly. Our store stands out as the go-to destination for...$25.05$22.88 -
ONAN A042U055 TERMINAL BLOCK Original ONAN/CUMMINS OEM part
ONAN
$76.20$69.61Cummins TERMINAL BLOCK A042U055 Unlock the potential of your outdoor equipment with the high-quality TERMINAL BLOCK from Cummins. Our store stands out as the top choice to purchase this original...$76.20$69.61 -
ONAN A042T360 INFORMATION LABEL Original ONAN/CUMMINS OEM part
ONAN
$56.55$51.66Cummins INFORMATION LABEL A042T360 Trust Cummins for high-quality replacement parts like the A042T360 Information Label. Our store is the top choice for authentic Cummins products. The Information...$56.55$51.66 -
ONAN A042T156 SUPPORT BRACKET Original ONAN/CUMMINS OEM part
ONAN
$1,131.49$1,033.62Cummins SUPPORT BRACKET A042T156 Explore our premium "SUPPORT BRACKET" (SKU: A042T156) from the reputed Cummins brand. Our store is your ultimate destination for genuine replacement parts, ensuring...$1,131.49$1,033.62 -
ONAN A042S785 BATTERY LEAD Original ONAN/CUMMINS OEM part
ONAN
$327.80$299.45Power your system with confidence—trust the precision of genuine ONAN OEM parts. Durable, corrosion-resistant design ensures uninterrupted electrical connectivity. Engineered to deliver flawless...$327.80$299.45 -
ONAN A042S779 BATTERY LEAD Original ONAN/CUMMINS OEM part
ONAN
$306.93$280.38Power your generator with confidence and precision Heavy-duty copper construction for superior conductivity Designed to withstand harsh environments and ensure consistent engine starts 100% genuine...$306.93$280.38 -
ONAN A042S553 TUBE Original ONAN/CUMMINS OEM part
ONAN
$250.98$229.27Cummins TUBE A042S553 Discover the authentic Cummins A042S553 TUBE at our store, your go-to destination for top-quality replacement parts. Crafted with precision and durability in mind, this genuine...$250.98$229.27 -
ONAN A042S551 TEE FITTING Original ONAN/CUMMINS OEM part
ONAN
$139.85$127.75Cummins TEE FITTING A042S551 Discover the genuine Cummins TEE FITTING with SKU A042S551, the ideal replacement part for your outdoor equipment. Our store proudly offers top-quality original parts at...$139.85$127.75 -
ONAN A042S427 PRESSURE SENSOR Original ONAN/CUMMINS OEM part
ONAN
$3,946.13$3,604.79Cummins PRESSURE SENSOR A042S427 Upgrade your equipment with the original Cummins PRESSURE SENSOR, SKU A042S427, available at our store. Ensuring optimal performance and compatibility, this sensor...$3,946.13$3,604.79 -
ONAN A042R844 CABLE LUG Original ONAN/CUMMINS OEM part
ONAN
$159.28$145.51Dependable connection for uninterrupted power delivery High-quality copper construction ensures excellent conductivity and resistance Designed and manufactured as an original equipment manufacturer...$159.28$145.51 -
ONAN A042P612 BATTERY BOOT Original ONAN/CUMMINS OEM part
ONAN
$8.12$7.41Precision-engineered protection for your ONAN power system Durable construction shields battery terminals from corrosion and damage Designed for perfect OEM fit ensuring seamless...$8.12$7.41 -
ONAN A042P558 RADIATOR BRACKET Original ONAN/CUMMINS OEM part
ONAN
$1,010.55$923.14Cummins RADIATOR BRACKET A042P558 Find the genuine Cummins RADIATOR BRACKET with SKU A042P558 only at our store. Made with precision and quality materials, this essential part ensures a perfect fit...$1,010.55$923.14 -
ONAN A042M073 AIR FILTER ELEMENT Original ONAN/CUMMINS OEM part
ONAN
$178.40$162.97Cummins AIR FILTER ELEMENT A042M073 Upgrade your equipment with the original "AIR FILTER ELEMENT" from Cummins. The high-quality A042M073 filter ensures optimal engine performance and protection...$178.40$162.97 -
ONAN A042L586 EXTENSION SPRING Original ONAN/CUMMINS OEM part
ONAN
$8.49$7.76Precision engineered for lasting power and consistent performance Robust extension spring designed to maintain tension and system integrity Direct OEM replacement to guarantee perfect fit and...$8.49$7.76 -
ONAN A041Z243 EXHAUST INSULATION Original ONAN/CUMMINS OEM part
ONAN
$709.92$648.51Experience unmatched thermal protection tailored for your ONAN generator Durable material designed to withstand high temperatures and extend engine life Certified OEM part by ONAN for guaranteed fit...$709.92$648.51