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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CUMMINS 4998583 MALE UNION Original OEM part
CUMMINS
$105.72$96.57Precision-engineered for optimal connection integrity Designed to withstand rigorous operating conditions 100% Genuine OEM Cummins component for assured fit and function CUMMINS 4998583 MALE...$105.72$96.57 -
CUMMINS 4998580 FILTER SUPPORT Original OEM part
CUMMINS
$2,461.29$2,248.39Engineered for consistent protection and efficient filtration. Robust design guarantees optimal engine longevity. Precisely manufactured as a genuine Cummins OEM component. CUMMINS 4998580 FILTER...$2,461.29$2,248.39 -
CUMMINS 4998576 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$8,282.92$7,566.44Engineered precision for uncompromising power reliability Robust external control module wiring harness crafted to optimize your generator system's communication and functionality Designed...$8,282.92$7,566.44 -
CUMMINS 4998575 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$7,390.90$6,751.59Cummins 4998575 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS4998575 Upgrade your equipment effortlessly with the authentic Cummins 4998575 - EXTERNAL CONTROL MODULE WIRING HARNESS. Trust in the...$7,390.90$6,751.59 -
CUMMINS 4998551 HEAT EXCHANGER SHROUD Original OEM part
CUMMINS
$6,034.73$5,512.72Engineered for excellence and unwavering reliability Optimizes thermal regulation for sustained engine efficiency Durable construction designed for long service life in demanding environments 100%...$6,034.73$5,512.72 -
CUMMINS 4998550 MOUNTING SPACER Original OEM part
CUMMINS
$1,201.50$1,097.58Cummins 4998550 - MOUNTING SPACER MINS4998550 Our store proudly offers the authentic Cummins 4998550 - MOUNTING SPACER (SKU: MINS4998550), ensuring quality and compatibility with your lawn mower or...$1,201.50$1,097.58 -
CUMMINS 4998537 FLYWHEEL HOUSING SUPPORT Original OEM part
CUMMINS
$1,983.66$1,812.07Precision engineered for seamless engine harmony Robust construction ensuring optimal flywheel alignment Essential support component for balanced power delivery 100% genuine OEM from Cummins for...$1,983.66$1,812.07 -
CUMMINS 4998532 FLYWHEEL HOUSING SUPPORT Original OEM part
CUMMINS
$4,738.59$4,328.71Designed with precision to uphold Cummins’ unmatched power durability. Provides robust structural support to maintain engine integrity under heavy loads. Engineered for seamless compatibility and...$4,738.59$4,328.71 -
CUMMINS 4998509 EXHAUST COLLECTOR CONNECTION BRACKET Original OEM part
CUMMINS
$657.33$600.47Engineered for Excellence, Built for Endurance Durable construction ensures long-lasting exhaust system integrity Precision fit guarantees seamless compatibility and reduced emissions 100% Genuine...$657.33$600.47 -
CUMMINS 4998507 WATER TUBE BRACKET Original OEM part
CUMMINS
$1,692.05$1,545.69Engineered for Excellence: Supporting critical cooling functions to maintain optimum engine temperature. Durability You Can Trust: Constructed from premium materials engineered to withstand harsh...$1,692.05$1,545.69 -
CUMMINS 4998506 WATER TUBE BRACKET Original OEM part
CUMMINS
$1,764.80$1,612.15Cummins 4998506 - WATER TUBE BRACKET MINS4998506 At our store, you can easily find the original Cummins 4998506 - WATER TUBE BRACKET, the ideal replacement part for your outdoor equipment. Rest...$1,764.80$1,612.15 -
CUMMINS 4998505 WATER TRANSFER TUBE Original OEM part
CUMMINS
$1,041.14$951.08Performance engineered for dependable cooling flow Precision fit designed specifically for Cummins engines Durability built to withstand demanding operating conditions 100% genuine OEM Cummins part...$1,041.14$951.08 -
CUMMINS 4998503 WATER TRANSFER TUBE Original OEM part
CUMMINS
$784.45$716.59Cummins 4998503 - WATER TRANSFER TUBE MINS4998503 Discover the genuine Cummins 4998503 - WATER TRANSFER TUBE at our store, your go-to destination for premium replacement parts. With our commitment...$784.45$716.59 -
CUMMINS 4998501 WATER TRANSFER TUBE Original OEM part
CUMMINS
$383.12$349.98Cummins 4998501 - WATER TRANSFER TUBE MINS4998501 Find the genuine 4998501 - WATER TRANSFER TUBE by Cummins at our online store. With the product SKU "MINS4998501", we ensure you receive original...$383.12$349.98 -
CUMMINS 4998500 WATER TRANSFER TUBE Original OEM part
CUMMINS
$871.60$796.21Engineered for Precision and Reliability: Ensure your power system runs smoothly with a component designed for exacting standards. Durable Construction for Long-Term Operation: Crafted to withstand...$871.60$796.21 -
CUMMINS 4998497 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$478.86$437.44Dependable connection for uncompromised engine stability Manufactured to exact Cummins specifications for flawless compatibility Durable construction that withstands intense vibrations and high...$478.86$437.44 -
CUMMINS 4998496 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$9.95$9.09Engineered for unmatched durability and precision fastening in demanding Cummins engine applications. Hex head design offers optimal torque control for secure assembly and maintenance efficiency...$9.95$9.09 -
CUMMINS 4998490 AFTERCOOLER TUBE Original OEM part
CUMMINS
$2,399.47$2,191.92Engineered for Excellence: Delivering precise aftercooler performance to maximize your Cummins engine's efficiency. Durability Under Pressure: Crafted with premium materials to withstand...$2,399.47$2,191.92 -
CUMMINS 4998485 MOUNTING SPACER Original OEM part
CUMMINS
$1,038.56$948.73Precision-crafted to optimize your engine’s stability and alignment for peak operational efficiency. Engineered for long-lasting durability, reducing wear and minimizing downtime. 100% genuine OEM...$1,038.56$948.73 -
CUMMINS 4998478 MOUNTING SPACER Original OEM part
CUMMINS
$98.12$89.63Engineered to empower your power—trust in every bolt and spacer. Precision-crafted mounting spacer for optimal engine alignment and vibration control. Durable construction designed to withstand...$98.12$89.63 -
CUMMINS 4997721 GEAR HOUSING Original OEM part
CUMMINS
$824.24$752.94Engineered to Empower Your Powertrain Precision-crafted gear housing for seamless engine protection Designed to withstand rigorous industrial demands while maintaining smooth transmission 100% OEM...$824.24$752.94 -
CUMMINS 4997664 FUEL DRAIN TUBE Original OEM part
CUMMINS
$529.27$483.49Cummins 4997664 - FUEL DRAIN TUBE MINS4997664 Find the top-quality "4997664 - FUEL DRAIN TUBE" by Cummins, with product SKU "MINS4997664," at our online store. Crafted to exact specifications, this...$529.27$483.49 -
CUMMINS 4996707 STARTING MOTOR Original OEM part
CUMMINS
$1,353.54$1,236.46Performance that energizes your power system reliably Robust design ensuring consistent starts under all conditions Engineered precision for seamless integration with Cummins engines 100% genuine...$1,353.54$1,236.46 -
CUMMINS 4996646 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$11,744.90$10,728.97Cummins 4996646 - EXHAUST OUTLET CONNECTION MINS4996646 Find the perfect replacement with the 4996646 - EXHAUST OUTLET CONNECTION by Cummins, SKU: MINS4996646. Our store offers the genuine part at...$11,744.90$10,728.97 -
CUMMINS 4996049 ORING SEAL Original OEM part
CUMMINS
$9.16$8.37Precision engineered for lasting sealing integrity Essential for preventing leaks and maintaining system efficiency Authentic OEM Cummins part ensures perfect fit and peak performance CUMMINS...$9.16$8.37 -
CUMMINS 4995862 FLYWHEEL HOUSING Original OEM part
CUMMINS
$3,257.45$2,975.68Engineered for seamless power transmission and supreme durability. Robust construction designed to withstand rigorous operational stresses. Certified OEM component from Cummins, guaranteeing...$3,257.45$2,975.68 -
CUMMINS 4995651 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$13,890.86$12,689.30Engineered for excellence, built to last – every connection counts. Precision-fitted exhaust outlet connection designed to maintain optimal engine emissions and performance. Robust construction...$13,890.86$12,689.30 -
CUMMINS 4995496 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$10,314.55$9,422.34Engineered for precision, crafted for endurance. Optimized exhaust flow ensuring peak engine performance and reduced emissions. Corrosion-resistant construction for extended service life in...$10,314.55$9,422.34 -
CUMMINS 4995305 FLYWHEEL HOUSING Original OEM part
CUMMINS
$5,321.79$4,861.46Engineered excellence delivering unwavering performance Durable flywheel housing designed to protect and support critical engine components Precision-crafted to meet exact Cummins OEM specifications...$5,321.79$4,861.46 -
CUMMINS 4995252 CRANKSHAFT PULLEY Original OEM part
CUMMINS
$329.17$300.70Precision-engineered for peak engine harmony Robust construction delivering unmatched longevity under demanding loads Ensures smooth power transmission essential to optimal generator...$329.17$300.70 -
CUMMINS 4995231 ACCESSORY DRIVE PULLEY Original OEM part
CUMMINS
$625.28$571.20Precision engineered for seamless power transmission and enduring performance. Durable design enhances engine efficiency and operational reliability. 100% genuine OEM Cummins component for...$625.28$571.20 -
CUMMINS 4995226 PLAIN HOSE COUPLING Original OEM part
CUMMINS
$149.77$136.82Precision engineered for seamless integration and lasting durability Ensures leak-free connections to maintain optimal system performance 100% genuine OEM CUMMINS quality for guaranteed...$149.77$136.82 -
CUMMINS 4995194 TWELVE POINT CAPSCREW Original OEM part
CUMMINS
$11.38$10.40Engineered for precision and endurance High-strength twelve point design for optimal torque and stability Heat and corrosion resistant to sustain demanding operational conditions Manufactured as an...$11.38$10.40 -
CUMMINS 4994636 IDLER GEAR Original OEM part
CUMMINS
$2,609.10$2,383.42Engineered to perfection for dependable power systems Constructed from high-grade materials for extended durability 100% Genuine OEM Cummins component ensuring flawless compatibility CUMMINS...$2,609.10$2,383.42 -
CUMMINS 4994585 DRIVE EXTENSION SHAFT Original OEM part
CUMMINS
$214.39$195.85Precision engineered for seamless integration into your Cummins power generation system Robust construction designed to withstand demanding operational stresses and extend engine life Certified...$214.39$195.85 -
CUMMINS 4994279 COUPLING VALVE Original OEM part
CUMMINS
$169.43$154.77Designed for uncompromising reliability in critical power systems Precision-engineered coupling valve delivering exact fit and optimal flow control Durable construction ensuring extended service...$169.43$154.77 -
CUMMINS 4994010 FLYWHEEL HOUSING Original OEM part
CUMMINS
$4,799.22$4,384.08Enduring Precision for Peak Performance Robust construction engineered to maintain engine alignment and transmission stability Designed to withstand high stress and extreme operating conditions 100%...$4,799.22$4,384.08 -
CUMMINS 4993929 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$12,451.70$11,374.63Engineered for seamless integration and precision fit to safeguard exhaust flow integrity. Constructed to withstand rigorous thermal and mechanical stresses for long-lasting service. Certified...$12,451.70$11,374.63 -
CUMMINS 4992689 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$13,896.46$12,694.42Trusted engineering for unmatched exhaust efficiency Precision crafted connection for optimal engine performance Durability designed to withstand demanding generator conditions 100% genuine OEM...$13,896.46$12,694.42 -
CUMMINS 4992619 DRIVE EXTENSION SHAFT Original OEM part
CUMMINS
$2,645.60$2,416.76Power your system with uncompromising precision and reliability. Engineered for perfect integration, delivering optimal torque transfer. Manufactured to meet rigorous Cummins quality and durability...$2,645.60$2,416.76