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 3698306 BELT TENSIONER Original OEM part
CUMMINS
$347.44$317.39Cummins 3698306 - BELT TENSIONER MINS3698306 Find the perfect fit for your outdoor equipment with the 3698306 - BELT TENSIONER by Cummins, SKU MINS3698306. Our store is the ultimate destination for...$347.44$317.39 -
CUMMINS 3698040 V BAND CLAMP Original OEM part
CUMMINS
$240.57$219.76Precision engineered for lasting durability Ensures airtight sealing under extreme operating conditions 100% Genuine OEM CUMMINS component designed for perfect fitment CUMMINS 3698040 V BAND CLAMP...$240.57$219.76 -
CUMMINS 3697968 BEARING SUPPORT Original OEM part
CUMMINS
$211.88$193.56Designed to uphold Cummins' legacy of engineering excellence and robust performance Provides critical support to bearings, ensuring optimal engine stability and reduced wear Manufactured as an...$211.88$193.56 -
CUMMINS 3697774 FLYWHEEL Original OEM part
CUMMINS
$898.82$821.07Precision-engineered for seamless power transfer and smooth engine operation Enhances engine balance and durability for extended service intervals Manufactured by Cummins as an original equipment...$898.82$821.07 -
CUMMINS 3697520 DIPSTICK Original OEM part
CUMMINS
$46.85$42.80Precision engineered for accurate engine oil monitoring Durable design ensures long-lasting service life Genuine OEM component from Cummins for optimal compatibility CUMMINS 3697520 DIPSTICK – The...$46.85$42.80 -
CUMMINS 3696936 AIR COMPRESSOR Original OEM part
CUMMINS
$934.55$853.71Precision engineered for uncompromising durability and efficiency Delivers consistent air compression to support critical engine functions Certified OEM component by Cummins to guarantee exact fit...$934.55$853.71 -
CUMMINS 3696344 DOWEL RING Original OEM part
CUMMINS
$14.93$13.64Cummins 3696344 - DOWEL RING - NO LONGER AVAILABLE MINS3696344 Discover the original Cummins 3696344 - DOWEL RING - NO LONGER AVAILABLE at our online store. Specially crafted for outdoor equipment,...$14.93$13.64 -
CUMMINS 3692985 WATER PUMP GASKET Original OEM part
CUMMINS
$18.15$16.58Cummins 3692985 - WATER PUMP GASKET - - NO LONGER AVAILABLE MINS3692985 Discover the authentic assurance of quality with the 3692985 - WATER PUMP GASKET by Cummins. Our store is your ultimate...$18.15$16.58 -
CUMMINS 3692018 TUBE BRACE Original OEM part
CUMMINS
$72.00$65.78Engineered to fortify your Cummins system’s backbone Precision-crafted tube brace delivering unmatched structural stability Robust design ensuring extended engine life and vibration reduction 100%...$72.00$65.78 -
CUMMINS 3691512 FUEL SUPPLY TUBE Original OEM part
CUMMINS
$126.14$115.23Cummins 3691512 - FUEL SUPPLY TUBE MINS3691512 Discover top-quality replacement parts like the 3691512 - FUEL SUPPLY TUBE by Cummins in our store. Trust in our expertise to provide you with genuine...$126.14$115.23 -
CUMMINS 3689403 IDLER SHAFT Original OEM part
CUMMINS
$4,362.78$3,985.40Engineered for seamless durability and precision Ensures smooth power transmission within your CUMMINS equipment Constructed to meet stringent OEM standards for guaranteed compatibility 100% genuine...$4,362.78$3,985.40 -
CUMMINS 3688890 ACCESSORY DRIVE SHAFT Original OEM part
CUMMINS
$1,546.22$1,412.47Cummins 3688890 - ACCESSORY DRIVE SHAFT - - NO LONGER AVAILABLE MINS3688890 Discover the ultimate solution for your outdoor equipment with the Cummins 3688890 Accessory Drive Shaft, now available at...$1,546.22$1,412.47 -
CUMMINS 3687389 AIR TRANSFER TUBE Original OEM part
CUMMINS
$513.86$469.41Cummins 3687389 - AIR TRANSFER TUBE - - NO LONGER AVAILABLE MINS3687389 Explore our premium selection of original replacement parts like the 3687389 - AIR TRANSFER TUBE - - NO LONGER AVAILABLE from...$513.86$469.41 -
CUMMINS 3687010 GEAR COVER Original OEM part
CUMMINS
$1,196.03$1,092.57Engineered to excellence for unmatched gear protection and machine longevity Precision-crafted design ensures seamless integration with your CUMMINS equipment Durable materials guard critical engine...$1,196.03$1,092.57 -
CUMMINS 3686732 AIR INLET ADAPTER Original OEM part
CUMMINS
$506.98$463.13Precision-engineered to enhance airflow efficiency and engine responsiveness Durable construction provides long-lasting service under demanding conditions Certified genuine OEM component by Cummins...$506.98$463.13 -
CUMMINS 3686605 FUEL SUPPLY TUBE Original OEM part
CUMMINS
$317.38$289.93Cummins 3686605 FUEL SUPPLY TUBE MINS3686605 Offering an extensive selection of genuine replacement parts, our store stands out as the goto destination for securing the elusive Cummins 3686605 Fuel...$317.38$289.93 -
CUMMINS 3686319 IDLER GEAR Original OEM part
CUMMINS
$715.20$653.34Precision engineered for peak power delivery and unmatched reliability. Robust construction maximizes the lifespan of your Cummins engine system. Maintains critical gear alignment to enhance overall...$715.20$653.34 -
CUMMINS 3685752 FUEL CONNECTOR ADAPTER Original OEM part
CUMMINS
$47.28$43.19Cummins 3685752 - FUEL CONNECTOR ADAPTER - - NO LONGER AVAILABLE MINS3685752 Find exceptional value in the original Cummins 3685752 - FUEL CONNECTOR ADAPTER - - NO LONGER AVAILABLE at our store...$47.28$43.19 -
CUMMINS 3682139 MALE UNION Original OEM part
CUMMINS
$59.30$54.18Precision engineered for uncompromising power solutions Ensures optimal seal and connection integrity under demanding conditions Durable construction designed for longevity and system...$59.30$54.18 -
CUMMINS 3681520 MALE CONNECTOR Original OEM part
CUMMINS
$186.50$170.37Precision engineered for peak performance and unwavering reliability Robust design ensures long-lasting operation under demanding conditions Seamless integration for optimal engine and system...$186.50$170.37 -
CUMMINS 3681419 AIR TRANSFER CONNECTION Original OEM part
CUMMINS
$444.78$406.31Power your engine with precision and reliability Durable construction ensures long-lasting performance Designed for seamless integration with Cummins diesel engines 100% Genuine OEM part from...$444.78$406.31 -
CUMMINS 3681378 HYDRAULIC PUMP ADAPTER Original OEM part
CUMMINS
$400.29$365.67Engineered for seamless integration and uncompromised hydraulic power delivery Precision-crafted to maintain optimal pump alignment and efficiency under demanding conditions Constructed with premium...$400.29$365.67 -
CUMMINS 3681288 SHIM Original OEM part
CUMMINS
$14.12$12.90Precision engineering that drives dependable power every time Key feature: Perfect thickness calibration to maintain optimal engine operation Enhanced durability that withstands demanding...$14.12$12.90 -
CUMMINS 3681114 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$138.75$126.75Cummins 3681114 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS3681114 Find the authentic 3681114 - EXTERNAL CONTROL MODULE WIRING HARNESS under SKU "MINS3681114" by Cummins in our store. Ensure...$138.75$126.75 -
CUMMINS 3675161RX ALTERNATOR L/N 2800J INS 12 VOLT 160 AMPERES Original OEM part
CUMMINS
$1,158.64$1,058.42Power Your Equipment with Confidence, Backed by Cummins Engineering Excellence High-Efficiency Alternator Design Ensures Consistent Voltage Output Durability Crafted for Long Engine Life and Reduced...$1,158.64$1,058.42 -
CUMMINS 3658944 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$731.40$668.14Cummins 3658944 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS3658944 Explore top-notch reliability with the 3658944 - EXTERNAL CONTROL MODULE WIRING HARNESS by Cummins. This genuine replacement...$731.40$668.14 -
CUMMINS 3657725 CLIP Original OEM part
CUMMINS
$71.05$64.90This CUMMINS 3657725 clip is a metal OEM replacement part crafted for secure fastening in Cummins diesel engines. Features precise engineering to ensure consistent retention and mechanical...$71.05$64.90 -
CUMMINS 3656990 ELECTRICAL TERMINAL Original OEM part
CUMMINS
$19.61$17.91Engineered to deliver uncompromising performance, every connection counts. Precision-crafted for optimal conductivity and corrosion resistance. Designed to seamlessly fit Cummins power systems,...$19.61$17.91 -
CUMMINS 3655944 MAGNETIC PICKUP Original OEM part
CUMMINS
$452.57$413.42Cummins 3655944 - MAGNETIC PICKUP MINS3655944 Explore our selection of quality Original Cummins 3655944 - MAGNETIC PICKUP at unbeatable prices. With fast shipping, our store ensures that you receive...$452.57$413.42 -
CUMMINS 3655112 FLEXIBLE HOSE Original OEM part
CUMMINS
$263.89$241.07Cummins 3655112 - FLEXIBLE HOSE MINS3655112 Find the perfect replacement with the 3655112 - FLEXIBLE HOSE from Cummins, SKU MINS3655112. Ensure your lawn mower or outdoor equipment functions...$263.89$241.07 -
CUMMINS 3652082RX SKID L10 ENGINE Original OEM part
CUMMINS
$1,534.39$1,401.67Cummins 3652082RX - SKID L10 ENGINE - NO LONGER AVAILABLE MINS3652082RX When it comes to finding genuine original parts like the 3652082RX - SKID L10 ENGINE - NO LONGER AVAILABLE from Cummins, our...$1,534.39$1,401.67 -
CUMMINS 3652081RX SKID C ENGINE SKID Original OEM part
CUMMINS
$1,908.75$1,743.64Cummins 3652081RX - SKID C ENGINE SKID MINS3652081RX Find the authentic 3652081RX - SKID C ENGINE SKID by Cummins at our store, the ultimate destination for genuine replacement parts. Quality and...$1,908.75$1,743.64 -
CUMMINS 3652080RX SKID B ENGINE SKID Original OEM part
CUMMINS
$1,393.72$1,273.16Precision engineered for enduring power and reliability Robust construction designed to support optimal engine performance Ensures seamless integration and maximum efficiency within Cummins...$1,393.72$1,273.16 -
CUMMINS 3651890 STARTING MOTOR Original OEM part
CUMMINS
$4,319.93$3,946.25Precision engineered to empower your Cummins system with unwavering strength. Delivers rapid, efficient engine starts even under demanding conditions. Robust design ensures extended operational life...$4,319.93$3,946.25 -
CUMMINS 3651605 ENGINE CONNECTING ROD Original OEM part
CUMMINS
$3,744.76$3,420.84Engineered for Excellence, Delivered for Reliability Precision-crafted connecting rod to maintain engine integrity under the most demanding conditions Durable materials withstand high stress to...$3,744.76$3,420.84 -
CUMMINS 3651277 WATER TRANSFER TUBE Original OEM part
CUMMINS
$3,757.02$3,432.03Engineered precision for uncompromised power generation integrity Robust transfer tube designed to optimize coolant flow and reduce thermal stress Constructed from premium-grade materials for...$3,757.02$3,432.03 -
CUMMINS 3650924 MAIN STANDARD BEARING Original OEM part
CUMMINS
$616.93$563.56Engineered for Excellence: Precision-crafted to meet rigorous Cummins standards, ensuring optimal engine performance. Durability Under Pressure: Designed to withstand demanding operating conditions,...$616.93$563.56 -
CUMMINS 3650913 MAIN STANDARD BEARING Original OEM part
CUMMINS
$249.53$227.94Engineered for Enduring Excellence: Precision-crafted to maintain the highest standards of Cummins engine reliability. Robust Durability: Withstands demanding conditions to protect core engine...$249.53$227.94 -
CUMMINS 3650904 BEARING CONNECTING ROD Original OEM part
CUMMINS
$132.71$121.23Cummins 3650904 - BEARING CONNECTING ROD - NO LONGER AVAILABLE MINS3650904 Discover the high-quality Cummins 3650904 - BEARING CONNECTING ROD - NO LONGER AVAILABLE at our online store. This original...$132.71$121.23 -
CUMMINS 3650611 ENGINE CONNECTING ROD Original OEM part
CUMMINS
$3,651.98$3,336.09Precision engineered to elevate engine efficiency and durability. Crafted for uncompromising strength and peak performance under harsh conditions. Manufactured exclusively by Cummins to ensure...$3,651.98$3,336.09