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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
ONAN A050Y679 METER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$38.06$34.77Cummins METER HARNESS A050Y679 Discover the genuine original "METER HARNESS" by Cummins with SKU "A050Y679" available at our store. Our selection of authentic parts ensures top-notch quality for...$38.06$34.77 -
ONAN A050Y672 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$88.09$80.47Engineered for consistency and durability in every connection Supports dependable heater operation for peak generator performance Precision-crafted OEM component ensuring flawless fit and...$88.09$80.47 -
ONAN A050X073 BREAKER Original ONAN/CUMMINS OEM part
ONAN
$14,927.13$13,635.93Engineered Excellence for Uninterrupted Power Reliable circuit protection to safeguard your generator system Precision-crafted for perfect compatibility with Onan generators 100% Genuine ONAN OEM...$14,927.13$13,635.93 -
ONAN A050V960 GREASE INJECTOR GUN Original ONAN/CUMMINS OEM part
ONAN
$125.50$114.65Precision lubrication for enduring engine health Durable construction designed to meet rigorous Cummins standards 100% Genuine OEM ONAN part assuring perfect compatibility and reliability ONAN...$125.50$114.65 -
ONAN A050V847 LABEL EMISSIONS Original OEM part
ONAN
$4.87$4.45Cummins A050V847 - LABEL EMISSIONS - NO LONGER AVAILABLE MINSA050V847 Discover the original Cummins A050V847 - LABEL EMISSIONS - NO LONGER AVAILABLE replacement part at our store. With fast shipping...$4.87$4.45 -
ONAN A050T808 HEAT SHIELD Original ONAN/CUMMINS OEM part
ONAN
$44.35$40.51Precision engineered for unwavering protection and peak generator performance. Durable heat resistance safeguards your engine’s critical components against thermal damage. Maintains optimal...$44.35$40.51 -
ONAN A050R856 LEAD Original ONAN/CUMMINS OEM part
ONAN
$74.40$67.97Cummins LEAD NO LONGER AVAILABLE A050R856 Discover the elusive "LEAD NO LONGER AVAILABLE" by Cummins with SKU A050R856, exclusively available at our store. Crafted with precision and quality in...$74.40$67.97 -
ONAN A050R838 LEAD Original ONAN/CUMMINS OEM part
ONAN
$26.42$24.13Cummins LEAD A050R838 Find genuine quality with the "LEAD" replacement part (SKU A050R838) from Cummins at our store. Ensure optimal performance for your outdoor equipment. Our competitive pricing,...$26.42$24.13 -
ONAN A050R238 SWITCH LEVEL Original ONAN/CUMMINS OEM part
ONAN
$332.64$303.87Power your engine with precision and reliability. Engineered for seamless integration and superior performance. Durable design ensures extended lifespan under demanding conditions. 100% genuine ONAN...$332.64$303.87 -
ONAN A050R234 LEVEL GAUGE Original ONAN/CUMMINS OEM part
ONAN
$1,113.54$1,017.22Cummins LEVEL GAUGE A050R234 Find the perfect replacement part for your outdoor equipment with the Cummins LEVEL GAUGE (SKU: A050R234). Ensure the accuracy of your machines with this original part...$1,113.54$1,017.22 -
ONAN A050L611 PAN,SKID Original ONAN/CUMMINS OEM part
ONAN
$780.85$713.31Cummins PAN,SKID A050L611 Discover the authentic "PAN,SKID" by Cummins with the SKU "A050L611" at our online store. Engineered with precision, this replacement part guarantees seamless compatibility...$780.85$713.31 -
ONAN A050K665 SOUND INSULATION Original ONAN/CUMMINS OEM part
ONAN
$72.18$65.94Cummins SOUND INSULATION A050K665 Upgrade your outdoor equipment with the original "SOUND INSULATION" by Cummins, SKU A050K665. Reduce noise levels and improve overall performance with this...$72.18$65.94 -
ONAN A050K663 SOUND INSULATION Original ONAN/CUMMINS OEM part
ONAN
$307.17$280.60Cummins SOUND INSULATION A050K663 Enhance the performance of your outdoor equipment with the original Cummins SOUND INSULATION (SKU: A050K663). Made to exact specifications, this high-quality sound...$307.17$280.60 -
ONAN A050K093 BATTERY Original ONAN/CUMMINS OEM part
ONAN
$2,213.18$2,021.74Cummins BATTERY A050K093 Our online store proudly offers the original Cummins BATTERY with the SKU A050K093, ensuring reliable performance for your outdoor equipment. Rest assured that you are...$2,213.18$2,021.74 -
ONAN A050J723 GENERATOR COUPLING CA135 KIT Original ONAN/CUMMINS OEM part
ONAN
$383.00$349.88Precision fit engineered for seamless generator operation Robust design ensures long-lasting coupling strength under demanding conditions Authentic OEM component carefully crafted by ONAN for...$383.00$349.88 -
ONAN A050J055 ENGINE DIESEL S3.8G7 Original ONAN/CUMMINS OEM part
ONAN
$7,861.73$7,181.69Power your equipment with precision-engineered quality Exceptional fuel efficiency that keeps your engine running longer Durable construction guarantees dependable operation under tough...$7,861.73$7,181.69 -
ONAN A050H763 LABEL WARNING Original OEM part
ONAN
$1.44$1.31Cummins A050H763 - LABEL WARNING - NO LONGER AVAILABLE MINSA050H763 Discover the original A050H763 - LABEL WARNING - NO LONGER AVAILABLE from Cummins, SKU MINSA050H763, exclusively at our store. Our...$1.44$1.31 -
ONAN A050C737 ACCESSORIES KIT Original ONAN/CUMMINS OEM part
ONAN
$9,682.24$8,844.73Engineered Precision for Reliable Power – Experience seamless integration with your Onan generator ensuring optimal operation and durability. Complete Kit for Maintenance Excellence – Includes all...$9,682.24$8,844.73 -
ONAN A050A655 ELECTRICAL GOVERNOR KIT Original ONAN/CUMMINS OEM part
ONAN
$2,287.69$2,089.81Precision control that ensures your generator runs smoothly under all conditions Durable design engineered to extend engine life and optimize fuel efficiency Genuine ONAN OEM quality guaranteeing...$2,287.69$2,089.81 -
ONAN A050A053 DUCT ADAPTER Original ONAN/CUMMINS OEM part
ONAN
$73.00$66.69Power your engine with precision and reliability Designed to ensure perfect airflow and optimal engine cooling Durable construction for long-lasting performance under demanding conditions 100%...$73.00$66.69 -
ONAN A049W765 CONTROL BOX Original ONAN/CUMMINS OEM part
ONAN
$1,183.06$1,080.73Precision engineered for seamless generator control and dependable power management. Advanced circuitry ensures optimal starting and operational consistency under all conditions. Durable...$1,183.06$1,080.73 -
ONAN A049W297 250 AMP 4 POLE CIRCUIT BREAKER Original ONAN/CUMMINS OEM part
ONAN
$1,574.28$1,438.11Power protection perfected for your Onan system Robust 250 AMP 4 Pole design delivers superior circuit safeguarding Engineered for seamless compatibility and dependable performance Certified genuine...$1,574.28$1,438.11 -
ONAN A049V296 GASKET Original ONAN/CUMMINS OEM part
ONAN
$9.15$8.36Precision Fit for Optimal Performance: Engineered specifically for ONAN generators to ensure perfect sealing and maximum engine efficiency. Long-Lasting Durability: Crafted from premium materials to...$9.15$8.36 -
ONAN A049V278 PIPE ELBOW Original ONAN/CUMMINS OEM part
ONAN
$52.20$47.69Cummins PIPE ELBOW A049V278 Upgrade your outdoor equipment with the original Cummins PIPE ELBOW (SKU: A049V278) now available in our store. This high-quality replacement part is designed to ensure...$52.20$47.69 -
ONAN A049V277 BALL VALVE Original ONAN/CUMMINS OEM part
ONAN
$112.74$102.99Engineered for flawless integration and lasting durability Precision ball valve design ensures efficient flow control and minimal leakage Manufactured as a genuine OEM ONAN part for guaranteed...$112.74$102.99 -
ONAN A049T445 FUEL TANK Original ONAN/CUMMINS OEM part
ONAN
$5,264.36$4,808.99Cummins FUEL TANK A049T445 Find the perfect replacement FUEL TANK, SKU A049T445 by Cummins, exclusively at our online store. Crafted by Cummins, known for their quality automotive parts, this FUEL...$5,264.36$4,808.99 -
ONAN A049T124 RADIATOR Original ONAN/CUMMINS OEM part
ONAN
$2,595.90$2,371.36Cummins RADIATOR A049T124 Our store proudly offers the original Cummins RADIATOR with the SKU A049T124, ensuring top-notch quality and compatibility for your outdoor equipment. Enhance performance...$2,595.90$2,371.36 -
ONAN A049S817 FUSE HOLDER Original ONAN/CUMMINS OEM part
ONAN
$43.57$39.80Cummins FUSE HOLDER A049S817 Discover the authentic "FUSE HOLDER" (SKU: A049S817) by Cummins in our store. With a commitment to genuine parts, our store ensures your outdoor equipment stays reliable...$43.57$39.80 -
ONAN A049P666 INSULATION ROOF Original ONAN/CUMMINS OEM part
ONAN
$216.47$197.75Cummins INSULATION ROOF NO LONGER AVAILABLE A049P666 Discover the original INSULATION ROOF NO LONGER AVAILABLE by Cummins with product SKU A049P666, available exclusively at our store. Ensure...$216.47$197.75 -
ONAN A049P404 HOSE BRACKET Original ONAN/CUMMINS OEM part
ONAN
$15.52$14.17Depend on Precision Engineering—every component designed to keep your generator running at peak efficiency. Durable Construction ensures long-lasting support for critical hose connections under...$15.52$14.17 -
ONAN A049M720 GENERATOR Original ONAN/CUMMINS OEM part
ONAN
$11,911.00$10,880.70Trusted Performance You Can Rely On Designed to deliver seamless power output under demanding conditions Constructed for longevity to maintain your generator’s optimum efficiency 100% genuine OEM...$11,911.00$10,880.70 -
ONAN A049M696 GENERATOR Original ONAN/CUMMINS OEM part
ONAN
$14,512.77$13,257.42Depend on Authenticity for Enduring Power Engineered for precision fit and reliable operation in Onan generator systems Designed to maintain engine efficiency, reduce emissions, and extend generator...$14,512.77$13,257.42 -
ONAN A049M686 GENERATOR Original ONAN/CUMMINS OEM part
ONAN
$12,081.63$11,036.57Precision engineered to maintain peak generator performance and reliability Durable construction ensuring long-lasting operation under demanding conditions Essential replacement part to keep your...$12,081.63$11,036.57 -
ONAN A049M682 GENERATOR Original ONAN/CUMMINS OEM part
ONAN
$14,160.95$12,936.03Precision-crafted to preserve your generator's legacy of performance and reliability Designed for optimal fit and function to ensure seamless integration Manufactured by ONAN as a genuine OEM part...$14,160.95$12,936.03 -
ONAN A049M673 GENERATOR Original ONAN/CUMMINS OEM part
ONAN
$10,175.70$9,295.51Precision engineered for dependable power — the heart of your generator’s reliability. Robust construction enhances operational longevity and consistent performance. Exact OEM specification...$10,175.70$9,295.51 -
ONAN A049M671 GENERATOR Original ONAN/CUMMINS OEM part
ONAN
$10,951.07$10,003.80Dependable Power Solutions Crafted for Your Generator’s Heart Precision-engineered for optimal engine health and consistent output Enhanced fuel efficiency and noise reduction contribute to superior...$10,951.07$10,003.80 -
ONAN A049F325 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$3,168.73$2,894.63Engineered for precision power delivery and seamless integration. Durable construction ensures consistent performance in demanding environments. Facilitates optimal engine communication for improved...$3,168.73$2,894.63 -
ONAN A049D521 CENTRAL PROCESSING MODULE Original ONAN/CUMMINS OEM part
ONAN
$13,807.58$12,613.23Precision redefined for your power system’s heart Advanced control and diagnostics integration ensure seamless generator operation Robust design engineered to extend generator lifespan under...$13,807.58$12,613.23 -
ONAN A049B535 CONTROL BOX Original ONAN/CUMMINS OEM part
ONAN
$968.80$885.00Power your peace of mind with ONAN’s trusted engineering excellence. Precision Control: Delivers accurate generator system management for consistent performance. Durability First: Designed to...$968.80$885.00 -
ONAN A049B511 ACCESSORIES KIT Original ONAN/CUMMINS OEM part
ONAN
$967.15$883.49Precision-engineered for reliability: Every component in the ONAN A049B511 kit is crafted to meet strict Cummins/Onan standards, assuring flawless integration and optimal generator function...$967.15$883.49