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 A048M371 BLADE SPLITTER ONAN/CUMMINS Original OEM part
ONAN
$0.54$0.49Precision engineered for seamless power delivery and unmatched reliability. Robust blade splitter design ensures optimal fuel efficiency and reduced operational noise. Manufactured exclusively by...$0.54$0.49 -
ONAN A048D859 SWITCH FUEL LEVEL ONAN/CUMMINS Original OEM part
ONAN
$227.80$208.10Cummins SWITCH FUEL LEVEL /CUMMINS A048D859 Discover the SWITCH FUEL LEVEL by Cummins, designed for optimal performance and reliability. With SKU A048D859, this original replacement part ensures...$227.80$208.10 -
ONAN A048C541 KIT FUEL SYSTEM ONAN/CUMMINS Original OEM part
ONAN
$2,639.60$2,411.28Cummins KIT FUEL SYSTEM /CUMMINS A048C541 Discover the KIT FUEL SYSTEM /CUMMINS, SKU A048C541, an essential component designed to enhance the performance and reliability of your equipment. Our store...$2,639.60$2,411.28 -
ONAN A047T454 HARNESS ENGINE ONAN/CUMMINS Original OEM part
ONAN
$750.15$685.26Unwavering performance engineered for your power system’s heartbeat. Optimized wiring harness design guarantees seamless engine communication. Durable construction ensures long-lasting reliability...$750.15$685.26 -
ONAN A047S434 BREAKER CIRCUIT ONAN/CUMMINS Original OEM part
ONAN
$319.25$291.63Engineered for robust protection and flawless integration Ensures consistent circuit safety to maintain peak generator performance Durable design that withstands demanding operational...$319.25$291.63 -
ONAN A047S433 BREAKER CIRCUIT ONAN/CUMMINS Original OEM part
ONAN
$325.34$297.20Precision Engineering for Ultimate Dependability Ensures consistent circuit protection under demanding conditions Optimized for seamless integration with your ONAN generator system Guaranteed...$325.34$297.20 -
ONAN A047P269 BOLT ONAN/CUMMINS Original OEM part
ONAN
$153.77$140.47Powering reliability through precision-engineered components Heavy-duty construction for secure and lasting fastening Designed specifically to match ONAN generator specifications Certified genuine...$153.77$140.47 -
ONAN A047L210 SENSOR TEMPERATURE ONAN/CUMMINS Original OEM part
ONAN
$180.59$164.97Cummins SENSOR TEMPERATURE /CUMMINS A047L210 When you choose our store for the original Cummins SENSOR TEMPERATURE (SKU: A047L210), you ensure quality and reliability. We pride ourselves on offering...$180.59$164.97 -
ONAN A047A707 COVER INTAKE ONAN/CUMMINS Original OEM part
ONAN
$151.22$138.14Precision engineered for dependable generator performance Durable construction that maintains optimal airflow and protection Critical component for engine efficiency and longevity Certified genuine...$151.22$138.14 -
ONAN A047A536 CONTROL GENSET ONAN/CUMMINS Original OEM part
ONAN
$416.99$380.92Depend on Precision Engineering for Ultimate Control Seamless integration with your ONAN genset for optimal performance Robust design ensures reliable operation even under demanding...$416.99$380.92 -
ONAN A046X276 FITTING TEE ONAN/CUMMINS Original OEM part
ONAN
$17.05$15.58Cummins FITTING TEE /CUMMINS A046X276 Discover the original FITTING TEE /CUMMINS (SKU: A046X276) available at our store, where quality meets reliability. We pride ourselves on offering authentic...$17.05$15.58 -
ONAN A046T778 NUT HEX FLANGE ONAN/CUMMINS Original OEM part
ONAN
$0.50$0.46Cummins NUT HEX FLANGE /CUMMINS A046T778 Discover the reliability of the NUT HEX FLANGE from Cummins, designed for seamless performance and durability. Our store is your best option for original...$0.50$0.46 -
ONAN A046K876 HOSE RADIATOR ONAN/CUMMINS Original OEM part
ONAN
$110.93$101.33Cummins HOSE RADIATOR /CUMMINS A046K876 Discover the premium quality of the HOSE RADIATOR from Cummins, SKU A046K876, a crucial component designed to maintain optimal engine performance. Our store...$110.93$101.33 -
ONAN A046K186 HARNESS METER ONAN/CUMMINS Original OEM part
ONAN
$87.97$80.36Cummins HARNESS METER /CUMMINS A046K186 Discover the original HARNESS METER from Cummins, designed for precision and reliability. SKU: A046K186 ensures compatibility with your equipment, providing...$87.97$80.36 -
ONAN A046K018 KIT SERVICE ONAN/CUMMINS Original OEM part
ONAN
$1,077.05$983.89Cummins KIT SERVICE /CUMMINS A046K018 Discover the superior quality of the KIT SERVICE /CUMMINS, designed to ensure optimal performance for your equipment. With SKU A046K018, this product is sourced...$1,077.05$983.89 -
ONAN A046H693 CONTROL ONAN/CUMMINS Original OEM part
ONAN
$2,685.79$2,453.47Reliability redefined: Engineered specifically to preserve your generator’s peak functionality. Precision control: Ensures smooth operation and accurate system management for lasting power delivery...$2,685.79$2,453.47 -
ONAN A046H673 SENSOR TEMPERATURE ONAN/CUMMINS Original OEM part
ONAN
$201.47$184.04Cummins SENSOR TEMPERATURE /CUMMINS A046H673 Discover the SENSOR TEMPERATURE /CUMMINS (SKU: A046H673), designed to ensure optimal performance and safety in your equipment. Our store prides itself on...$201.47$184.04 -
ONAN A046H118 1000 HRS SERVICE KIT(X2.5 ONAN/CUMMINS Original OEM part
ONAN
$193.96$177.18Empower your generator's endurance with precision-engineered care Comprehensive maintenance bundle tailored for 1000 hours of optimal operation Includes essential components for engine health and...$193.96$177.18 -
ONAN A046A750 BRACKET CONTROL BOX ONAN/CUMMINS Original OEM part
ONAN
$618.85$565.32Precision crafted for enduring generator control excellence Robust bracket design ensures stable control box mounting Engineered to maintain system integrity and reduce vibration Certified genuine...$618.85$565.32 -
ONAN A045X078 CURR TRANSFORMER RATIO 30 ONAN/CUMMINS Original OEM part
ONAN
$1,351.36$1,234.47Engineered for precision: Experience flawless electrical measurement with the ONAN A045X078 CURR TRANSFORMER RATIO, ensuring your generator runs at peak efficiency. Durability in every component:...$1,351.36$1,234.47 -
ONAN A045U145 SENSOR CURRENT ONAN/CUMMINS Original OEM part
ONAN
$1,583.12$1,446.18Cummins SENSOR CURRENT /CUMMINS A045U145 Discover the superior quality of the SENSOR CURRENT /CUMMINS, SKU A045U145, designed to meet the precise standards you expect from Cummins. Our store proudly...$1,583.12$1,446.18 -
ONAN A045T768 SENSOR WATER ONAN/CUMMINS Original OEM part
ONAN
$247.90$226.46Cummins SENSOR WATER /CUMMINS A045T768 Discover the original SENSOR WATER from Cummins, SKU A045T768, designed for optimal performance and reliability in your equipment. Our store ensures you...$247.90$226.46 -
ONAN A045T373 SWITCH FUEL LEVEL ONAN/CUMMINS Original OEM part
ONAN
$213.37$194.92Cummins SWITCH FUEL LEVEL /CUMMINS A045T373 Discover the reliability of the SWITCH FUEL LEVEL /CUMMINS, SKU A045T373, an essential component for optimal performance. Our store ensures you receive...$213.37$194.92 -
ONAN A045P294 WASHER SPRING ONAN/CUMMINS Original OEM part
ONAN
$140.60$128.44Cummins WASHER SPRING /CUMMINS A045P294 Discover the superior quality of the WASHER SPRING /CUMMINS (SKU: A045P294) available at our store. Committed to providing original replacement parts, we...$140.60$128.44 -
ONAN A045N994 FRAME RADIATOR ONAN/CUMMINS Original OEM part
ONAN
$3,760.15$3,434.90Precision cooling engineered for unwavering generator performance Enhanced heat dissipation to safeguard engine integrity under demanding conditions Efficient design optimizing airflow and...$3,760.15$3,434.90 -
ONAN A045N991 CLAMP HOSE ONAN/CUMMINS Original OEM part
ONAN
$260.35$237.83Engineered to deliver dependable power system integrity every time Precision-designed clamp hose ensuring leak-free, robust connections Durable construction for long-lasting service under demanding...$260.35$237.83 -
ONAN A045N902 SWITCH ONAN/CUMMINS Original OEM part
ONAN
$240.58$219.77Cummins SWITCH /CUMMINS A045N902 Discover the original SWITCH /CUMMINS (SKU: A045N902) at our store, your reliable source for quality replacement parts. We prioritize authenticity, ensuring you...$240.58$219.77 -
ONAN A045M580 CONTROL ONAN/CUMMINS Original OEM part
ONAN
$2,486.18$2,271.13Precision-crafted to safeguard your generator's heart and soul. Exact fit for flawless integration, ensuring peak control accuracy. Built to sustain demanding operational cycles for lasting...$2,486.18$2,271.13 -
ONAN A045L965 GENERATOR ONAN/CUMMINS Original OEM part
ONAN
$12,313.77$11,248.63Power your peace of mind with genuine ONAN craftsmanship. Engineered for precise fit and reliable generator performance. Supports optimal engine efficiency and reduces operational wear. 100%...$12,313.77$11,248.63 -
ONAN A045L943 GENERATOR ONAN/CUMMINS Original OEM part
ONAN
$11,012.80$10,060.20Precision-engineered to uphold ONAN’s legacy of excellence Ensures optimal generator performance under demanding conditions Designed to maximize engine efficiency and longevity Certified OEM part...$11,012.80$10,060.20 -
ONAN A045L930 GENERATOR ONAN/CUMMINS Original OEM part
ONAN
$7,175.50$6,554.82Power your future with authentic reliability engineered by ONAN Precision-crafted to deliver consistent energy output under demanding conditions Engineered for optimal fit ensuring effortless...$7,175.50$6,554.82 -
ONAN A045L888 GENERATOR ONAN/CUMMINS Original OEM part
ONAN
$6,559.57$5,992.17Engineered for Excellence in Every Detail Precision fit that guarantees seamless installation and peak generator performance Durable construction for long-lasting operation under demanding...$6,559.57$5,992.17 -
ONAN A045L688 SWITCH ONAN/CUMMINS Original OEM part
ONAN
$155.36$141.92Cummins SWITCH /CUMMINS A045L688 Discover the quality of the SWITCH /CUMMINS, SKU A045L688, designed to ensure reliable performance in your outdoor equipment. Our store is committed to providing...$155.36$141.92 -
ONAN A045L686 SWITCH ONAN/CUMMINS Original OEM part
ONAN
$461.28$421.38Cummins SWITCH /CUMMINS A045L686 Discover the genuine SWITCH /CUMMINS (SKU: A045L686) available at our store, where quality meets affordability. We pride ourselves on providing original components...$461.28$421.38 -
ONAN A045K594 BREAKER ONAN/CUMMINS Original OEM part
ONAN
$14,201.45$12,973.02Empower your generator with precision-engineered reliability. Robust circuit protection designed specifically for Onan generator systems. Ensures consistent power delivery by preventing overload and...$14,201.45$12,973.02 -
ONAN A045G457 FILTER FUEL ONAN/CUMMINS Original OEM part
ONAN
$223.48$204.15Experience trusted fuel filtration designed exclusively for ONAN systems. Optimized to maintain engine health and safeguard fuel integrity. Durable construction ensures consistent performance under...$223.48$204.15 -
ONAN A045E446 ENGINE DIESEL ONAN/CUMMINS Original OEM part
ONAN
$13,982.50$12,773.02Precision-engineered excellence for your power system's heart Optimized diesel engine functionality ensuring robust performance Maintains peak fuel economy and emission standards Certified OEM...$13,982.50$12,773.02 -
ONAN A045E321 RELAY TIME ONAN/CUMMINS Original OEM part
ONAN
$633.02$578.26Cummins RELAY TIME /CUMMINS A045E321 Discover the reliability of the original RELAY TIME from Cummins (SKU: A045E321), designed for exceptional performance. Our store is the top choice for authentic...$633.02$578.26 -
ONAN A044Z858 GASKET EXHAUST ONAN/CUMMINS Original OEM part
ONAN
$40.14$36.67Cummins GASKET EXHAUST /CUMMINS A044Z858 Discover the superior quality of the GASKET EXHAUST /CUMMINS, SKU A044Z858, designed to ensure optimal performance and reliability. Our store specializes in...$40.14$36.67 -
ONAN A044U210 RTR F2.7 K 4P 1B ONAN/CUMMINS Original OEM part
ONAN
$7,153.17$6,534.42Cummins RTR F2.7 K 4P 1B /CUMMINS A044U210 Discover the RTR F2.7 K 4P 1B from Cummins, a top-quality replacement part designed for optimal performance. Our store ensures you receive this original...$7,153.17$6,534.42