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 A052S820 GREASE UNIT (FOR P80) ONAN/CUMMINS Original OEM part
ONAN
$7,664.67$7,001.68Precision-engineered lubrication protection for your ONAN generator Ensures optimal grease distribution to critical engine components Durable design for dependable long-term operation under tough...$7,664.67$7,001.68 -
ONAN A052S140 SEPARATOR ONAN/CUMMINS Original OEM part
ONAN
$2,021.59$1,846.73Cummins SEPARATOR /CUMMINS A052S140 Enhance your equipment's performance with the original SEPARATOR from Cummins, SKU A052S140. Our store is committed to providing authentic replacement parts that...$2,021.59$1,846.73 -
ONAN A052R178 HOSE COOLANT ONAN/CUMMINS Original OEM part
ONAN
$33.99$31.05Cummins HOSE COOLANT /CUMMINS A052R178 Discover the reliability of the HOSE COOLANT /CUMMINS (SKU: A052R178) from our store, your trusted source for original replacement parts. Our commitment to...$33.99$31.05 -
ONAN A052N898 BRACKET BREATHER ONAN/CUMMINS Original OEM part
ONAN
$95.69$87.42Power your generator's longevity with genuine precision Engineered to ensure optimal ventilation and pressure regulation Durable design built to withstand demanding operational conditions Certified...$95.69$87.42 -
ONAN A052M950 BOX CONTROL ONAN/CUMMINS Original OEM part
ONAN
$6,670.72$6,093.70Empower your generator’s heart with authentic control precision Robust, reliable operation for optimal power management Designed for flawless fit and function in Onan systems Genuine OEM component...$6,670.72$6,093.70 -
ONAN A052M578 SHIELD HEAT ONAN/CUMMINS Original OEM part
ONAN
$191.27$174.73Cummins SHIELD HEAT /CUMMINS A052M578 Discover the original SHIELD HEAT /CUMMINS (SKU: A052M578) at our store, your top choice for high-quality replacement parts. We pride ourselves on providing...$191.27$174.73 -
ONAN A052M574 GUARD ONAN/CUMMINS Original OEM part
ONAN
$156.49$142.96Precision engineered protection for your ONAN generator Durable construction ensures enduring safety and performance Easy installation designed with the technician and user in mind 100% OEM...$156.49$142.96 -
ONAN A052M537 HOSE ONAN/CUMMINS Original OEM part
ONAN
$405.28$370.23Experience trusted Cummins/Onan engineering that ensures seamless integration and superior system reliability. Designed for exceptional durability to maintain consistent fluid flow and prevent leaks...$405.28$370.23 -
ONAN A052M526 HOSE ONAN/CUMMINS Original OEM part
ONAN
$405.28$370.23Unmatched Reliability for Your Generator System Durable construction designed to maintain consistent fluid flow under demanding conditions Precision-engineered to fit perfectly and support long-term...$405.28$370.23 -
ONAN A052M525 HOSE ONAN/CUMMINS Original OEM part
ONAN
$575.39$525.62Engineered for Excellence, Designed to Deliver. Precision fit ensures leak-free connection and optimal flow. Durable construction resists heat and wear for extended service life. Genuine OEM part...$575.39$525.62 -
ONAN A052M514 HOSE ONAN/CUMMINS Original OEM part
ONAN
$457.69$418.10Engineered for Excellence: Trust in ONAN’s uncompromising standards Durable construction designed to withstand demanding generator environments Precisely crafted for perfect fit and optimal...$457.69$418.10 -
ONAN A052M499 SUPPORT TUBE ONAN/CUMMINS Original OEM part
ONAN
$1,830.54$1,672.20Cummins SUPPORT TUBE /CUMMINS A052M499 The SUPPORT TUBE /CUMMINS (SKU: A052M499) is an essential component designed for optimal performance and reliability. Our store proudly offers genuine parts,...$1,830.54$1,672.20 -
ONAN A052J671 SILENCER EXHAUST ONAN/CUMMINS Original OEM part
ONAN
$1,657.58$1,514.20Cummins SILENCER EXHAUST /CUMMINS A052J671 Discover the reliability and performance of the SILENCER EXHAUST /CUMMINS, SKU A052J671. Sourced directly from the Cummins brand, this original replacement...$1,657.58$1,514.20 -
ONAN A052H942 LINK TERMINAL ONAN/CUMMINS Original OEM part
ONAN
$7.49$6.85Cummins LINK TERMINAL /CUMMINS A052H942 Discover the superior quality of the LINK TERMINAL /CUMMINS (SKU: A052H942), designed to deliver optimal performance for your equipment. Our store is...$7.49$6.85 -
ONAN A052H041 LEAD POWER ONAN/CUMMINS Original OEM part
ONAN
$175.39$160.22Cummins LEAD POWER /CUMMINS A052H041 Discover the reliability of the LEAD POWER /CUMMINS (SKU: A052H041) available at our store. We guarantee original parts that enhance performance and longevity,...$175.39$160.22 -
ONAN A052F594 HARNESS ONAN/CUMMINS Original OEM part
ONAN
$222.20$202.98Engineered for seamless integration and dependable operation throughout your generator's lifecycle Precision-crafted wiring harness optimized for electrical efficiency and system stability Designed...$222.20$202.98 -
ONAN A052D747 ADAPTER INTAKE ONAN/CUMMINS Original OEM part
ONAN
$163.44$149.30Precision engineered for seamless integration and lasting power Optimizes airflow to enhance engine efficiency and reduce emissions Durable design to support extended engine life under demanding...$163.44$149.30 -
ONAN A052D643 BRACKET CONTROL ONAN/CUMMINS Original OEM part
ONAN
$228.53$208.76Engineered for Excellence, Built to Endure Precision-fit bracket designed to secure control assemblies with unmatched stability Constructed from premium materials for extended service life under...$228.53$208.76 -
ONAN A052D618 GASKET ACCESS COVER ONAN/CUMMINS Original OEM part
ONAN
$219.04$200.09Precision engineered to maintain your generator's integrity Durable gasket design to prevent leaks and maintain optimal pressure Certified genuine OEM Onan component tailored for perfect...$219.04$200.09 -
ONAN A052C327 MUFFLER SPARK ARRESTING ONAN/CUMMINS Original OEM part
ONAN
$1,754.90$1,603.11Cummins MUFFLER SPARK ARRESTING /CUMMINS A052C327 When it comes to finding the original MUFFLER SPARK ARRESTING /CUMMINS, our store stands out as the premier choice for quality and reliability. The...$1,754.90$1,603.11 -
ONAN A051Y983 KIT ADPT SPRS F7 SAE0 2B ONAN/CUMMINS Original OEM part
ONAN
$4,852.69$4,432.94Cummins KIT ADPT SPRS F7 SAE0 2B /CUMMINS A051Y983 Discover the KIT ADPT SPRS F7 SAE0 2B from Cummins, an essential component for optimal performance. Our store guarantees original replacement...$4,852.69$4,432.94 -
ONAN A051F991 RELAY CONTROL ONAN/CUMMINS Original OEM part
ONAN
$71.79$65.58Cummins RELAY CONTROL /CUMMINS A051F991 Discover the reliability of the original RELAY CONTROL /CUMMINS (SKU: A051F991), carefully sourced to ensure optimum performance for your equipment. Our store...$71.79$65.58 -
ONAN A051B348 BREAKER CIRCUIT ONAN/CUMMINS Original OEM part
ONAN
$221.92$202.72Engineered for Durability: Depend on the ONAN A051B348 BREAKER CIRCUIT to deliver unmatched protection for your generator system. Seamless Integration: Designed specifically as an OEM component to...$221.92$202.72 -
ONAN A050X307 HOSE COOLANT ONAN/CUMMINS Original OEM part
ONAN
$23.17$21.17Cummins HOSE COOLANT /CUMMINS A050X307 Discover the superior quality of the HOSE COOLANT /CUMMINS, SKU A050X307, designed specifically for optimal performance and durability. Sourced directly from...$23.17$21.17 -
ONAN A050W423 CLIP CABLE ONAN/CUMMINS Original OEM part
ONAN
$5.82$5.31Precision engineered for dependable power delivery Robust construction for enduring performance Designed specifically as an OEM part by ONAN for guaranteed compatibility ONAN A050W423 CLIP CABLE -...$5.82$5.31 -
ONAN A050R920 KIT ACCESSORIES ONAN/CUMMINS Original OEM part
ONAN
$634.72$579.81Cummins KIT ACCESSORIES /CUMMINS A050R920 Discover the KIT ACCESSORIES /CUMMINS, SKU A050R920, designed to meet the highest standards of quality and performance. At our store, we prioritize...$634.72$579.81 -
ONAN A050L167 BREAKER CIRCUIT ONAN/CUMMINS Original OEM part
ONAN
$436.32$398.58Engineered precision for uninterrupted power resilience Robust circuit breaker design ensuring optimal overload protection Compact form factor for seamless fit within your Onan generator system 100%...$436.32$398.58 -
ONAN A050K420 CT 30005 15VA CLASS 10P1 ONAN/CUMMINS Original OEM part
ONAN
$1,054.73$963.49Experience uncompromised generator efficiency with every use. Designed for precise fit and enduring durability to support your power needs. Preserves emission standards and enhances fuel economy for...$1,054.73$963.49 -
ONAN A050G754 LABEL MARKER ONAN/CUMMINS Original OEM part
ONAN
$2.12$1.93Cummins LABEL MARKER /CUMMINS A050G754 Discover the reliability of the original LABEL MARKER /CUMMINS (SKU: A050G754) available at our store. We take pride in offering genuine parts, ensuring...$2.12$1.93 -
ONAN A050B188 FAN RADIATOR ONAN/CUMMINS Original OEM part
ONAN
$244.63$223.47Precision engineered cooling for dependable power High-efficiency radiator fan designed to maintain optimal operating temperatures Durable construction enhances system longevity under heavy...$244.63$223.47 -
ONAN A049Z944 HOSE COOLANT ONAN/CUMMINS Original OEM part
ONAN
$54.96$50.21Cummins HOSE COOLANT /CUMMINS A049Z944 Enhance the performance of your equipment with the original HOSE COOLANT from Cummins, SKU A049Z944. Our store ensures you receive only authentic parts,...$54.96$50.21 -
ONAN A049W488 SWITCH EMERGENCY STOP ONAN/CUMMINS Original OEM part
ONAN
$151.67$138.55Cummins SWITCH EMERGENCY STOP /CUMMINS A049W488 Discover the reliability of the SWITCH EMERGENCY STOP from Cummins, designed for optimal performance in critical situations. Our store is your best...$151.67$138.55 -
ONAN A049R699 KIT FUEL SYSTEM ONAN/CUMMINS Original OEM part
ONAN
$5,707.40$5,213.71Cummins KIT FUEL SYSTEM /CUMMINS A049R699 Discover the exceptional KIT FUEL SYSTEM /CUMMINS (SKU: A049R699), specifically designed to ensure optimal performance and longevity of your equipment. Our...$5,707.40$5,213.71 -
ONAN A049M657 GENERATOR ONAN/CUMMINS Original OEM part
ONAN
$12,762.57$11,658.61Engineered for enduring reliability and uncompromised performance in every ONAN generator system. Precision-crafted to optimize power output and maintain emission standards. Designed to enhance fuel...$12,762.57$11,658.61 -
ONAN A049M655 GENERATOR ONAN/CUMMINS Original OEM part
ONAN
$12,113.49$11,065.68Precision engineered for dependable power generation Delivers consistent performance under demanding conditions Optimizes fuel efficiency and reduces emissions 100% Genuine OEM ONAN component...$12,113.49$11,065.68 -
ONAN A049M644 GENERATOR ONAN/CUMMINS Original OEM part
ONAN
$13,065.27$11,935.13Precision engineering that powers your peace of mind Optimized for seamless compatibility with ONAN generator systems Engineered to extend engine life and maintain top efficiency 100% genuine OEM...$13,065.27$11,935.13 -
ONAN A049M642 GENERATOR ONAN/CUMMINS Original OEM part
ONAN
$13,632.00$12,452.84Precision-Crafted for Enduring Power Solutions Engineered to Deliver Optimal Efficiency and Reliability Designed for Perfect Compatibility with ONAN Generator Systems 100% Genuine ONAN OEM Component...$13,632.00$12,452.84 -
ONAN A049M640 GENERATOR ONAN/CUMMINS Original OEM part
ONAN
$13,682.20$12,498.69Empower your generator’s heartbeat with the trusted precision of ONAN. Engineered for exact fit and lasting durability, ensuring your system runs smoothly. Enhances fuel efficiency and reduces...$13,682.20$12,498.69 -
ONAN A049K600 RADIATOR ONAN/CUMMINS Original OEM part
ONAN
$638.67$583.43Cummins RADIATOR /CUMMINS A049K600 Discover the quality and reliability of the RADIATOR /CUMMINS (SKU: A049K600) available in our store. We pride ourselves on providing authentic replacement parts,...$638.67$583.43 -
ONAN A049C508 HOSE ONAN/CUMMINS Original OEM part
ONAN
$436.32$398.58Dependable flow control for your ONAN generator’s cooling system Constructed with resilient materials designed to withstand high temperatures Precisely manufactured for seamless integration and...$436.32$398.58