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 3970506 CLUTCH DISC Original OEM part
CUMMINS
$989.70$904.10Cummins 3970506 - CLUTCH DISC MINS3970506 Unleash the power of your outdoor equipment with the authentic 3970506 - CLUTCH DISC by Cummins. Engineered to fit seamlessly and deliver top-notch...$989.70$904.10 -
CUMMINS 3970406 PLAIN HOSE Original OEM part
CUMMINS
$48.10$43.94Designed to deliver seamless fluid transfer under high pressure and temperature Crafted with premium materials to resist wear, leaks, and environmental stresses Guaranteed genuine OEM CUMMINS...$48.10$43.94 -
CUMMINS 3970067 COMPRESSOR WATER INLET TUBE Original OEM part
CUMMINS
$124.84$114.04Engineered to power your performance reliably Precision-crafted for perfect engine cooling flow Durability that stands up to demanding conditions 100% genuine Cummins OEM component for assured...$124.84$114.04 -
CUMMINS 3969700 TUBE BRACE Original OEM part
CUMMINS
$41.45$37.86Cummins 3969700 - TUBE BRACE MINS3969700 Discover the quality and reliability of the Cummins 3969700 - TUBE BRACE available at our store. Ensure that your outdoor equipment is efficiently maintained...$41.45$37.86 -
CUMMINS 3969451 MOUNTING SPACER Original OEM part
CUMMINS
$2,514.29$2,296.81Precision engineered to power your performance Durable construction ensures long-lasting stability for your equipment Optimized to maintain proper engine alignment and minimize vibration Certified...$2,514.29$2,296.81 -
CUMMINS 3969377 BOSCH FUEL INJECTION PUMP Original OEM part
CUMMINS
$7,443.50$6,799.64Precision engineered to elevate your powertrain's performance with unwavering reliability. Delivers consistent fuel delivery for optimal combustion and enhanced engine efficiency. Maintains emission...$7,443.50$6,799.64 -
CUMMINS 3969370 FILTER BRACKET Original OEM part
CUMMINS
$931.14$850.60Precision engineered for seamless integration and enduring support Robust construction ensures secure filter mounting under demanding conditions Designed to maintain optimal engine filtration...$931.14$850.60 -
CUMMINS 3968902 CYLINDER HEAD Original OEM part
CUMMINS
$14,191.03$12,963.50Precision engineered for unwavering performance and reliability Optimized combustion chamber design to enhance fuel efficiency and reduce emissions Durable construction supports long engine life...$14,191.03$12,963.50 -
CUMMINS 3968682 ENGINE SUPPORT Original OEM part
CUMMINS
$141.54$129.30Power your system with unwavering strength and precision from Cummins' trusted engineering. Engineered for superior vibration dampening to protect critical engine components. Durability that...$141.54$129.30 -
CUMMINS 3968626 ENGINE SUPPORT Original OEM part
CUMMINS
$396.90$362.57Cummins 3968626 - ENGINE SUPPORT MINS3968626 Discover the unparalleled quality of the Cummins 3968626 - ENGINE SUPPORT, ensuring a precise fit and optimal performance for your outdoor equipment. Our...$396.90$362.57 -
CUMMINS 3968432 AIR INTAKE MANIFOLD Original OEM part
CUMMINS
$486.76$444.66Engineered for Excellence: Delivering the perfect balance of airflow and durability for peak engine efficiency. Precision Fit Design: Guarantees seamless integration with your Cummins engine for...$486.76$444.66 -
CUMMINS 3968194 INSTRUMENT PANEL Original OEM part
CUMMINS
$8,565.98$7,825.03Precision engineered for seamless control and monitoring Robust design ensuring consistent, long-lasting service Optimized integration with Cummins generator systems for flawless operation 100%...$8,565.98$7,825.03 -
CUMMINS 3968060 FLYWHEEL Original OEM part
CUMMINS
$3,865.10$3,530.77Precision Engineering for Unrivaled Performance Robust Construction to Endure Demanding Conditions Designed to Maintain Optimal Engine Balance and Functionality Guaranteed OEM Quality Directly from...$3,865.10$3,530.77 -
CUMMINS 3967772 COVER VALVE Original OEM part
CUMMINS
$820.68$749.69Cummins 3967772 - COVER VALVE - NO LONGER AVAILABLE MINS3967772 Discover the elusive 3967772 - COVER VALVE - NO LONGER AVAILABLE by Cummins at our store. We take pride in offering authentic...$820.68$749.69 -
CUMMINS 3967700 RETAINING BRACE BRACKET Original OEM part
CUMMINS
$376.25$343.70Cummins 3967700 - RETAINING BRACE BRACKET MINS3967700 Discover the authentic Cummins 3967700 - RETAINING BRACE BRACKET, available at our store under the SKU "MINS3967700". Engineered to the highest...$376.25$343.70 -
CUMMINS 3967635 TURBOCHARGER NON CUMMINS TURBO TECHNOLOGIES MID RANGE Original OEM part
CUMMINS
$4,091.08$3,737.20Experience uncompromised power and precision engineered for excellence. Enhances engine responsiveness and fuel efficiency under demanding conditions. Built to reduce emissions and noise, supporting...$4,091.08$3,737.20 -
CUMMINS 3967288 PLAIN WASHER Original OEM part
CUMMINS
$13.99$12.78Precision engineered to maintain your Cummins power system's integrity Durable material to withstand high-stress environments and extend component life Essential for secure fastening and vibration...$13.99$12.78 -
CUMMINS 3967166 FRONT ENGINE SUPPORT Original OEM part
CUMMINS
$781.39$713.80Cummins 3967166 - FRONT ENGINE SUPPORT MINS3967166 Find reliability in the original Cummins 3967166 - FRONT ENGINE SUPPORT. Our store stands out as your ultimate choice for premium replacement parts...$781.39$713.80 -
CUMMINS 3967039 OIL GAUGE TUBE Original OEM part
CUMMINS
$510.49$466.34Precision engineered for dependable oil level monitoring Durable construction ensures extended service life under demanding conditions 100% OEM Genuine CUMMINS part for guaranteed fit and...$510.49$466.34 -
CUMMINS 3966829 FLYWHEEL Original OEM part
CUMMINS
$2,871.86$2,623.45Precision engineered for unmatched endurance and seamless power delivery. Balances engine rotation perfectly to reduce vibrations and wear. Manufactured as an authentic Cummins OEM part to...$2,871.86$2,623.45 -
CUMMINS 3966817 FUEL PUMP Original OEM part
CUMMINS
$7,006.65$6,400.57Precision-engineered fuel delivery for peak engine performance Robust construction guarantees consistent operation under demanding conditions 100% genuine OEM CUMMINS component ensuring full...$7,006.65$6,400.57 -
CUMMINS 3966749 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$44.80$40.93Engineered for durability under demanding operating conditions Precision-machined hex flange head design for secure, leak-proof fastening Manufactured exclusively by Cummins, guaranteeing OEM-grade...$44.80$40.93 -
CUMMINS 3966674 TURBOCHARGER NON CUMMINS TURBO TECHNOLOGIES MID RANGE Original OEM part
CUMMINS
$10,515.80$9,606.19Engineered to empower every revolution — experience precision like no other. Optimized airflow design for maximum boost and fuel efficiency. Durable construction ensures extended operational life...$10,515.80$9,606.19 -
CUMMINS 3966428 1 CYLINDER AIR COMPRESSOR Original OEM part
CUMMINS
$5,230.13$4,777.72Precision-engineered for dependable performance in every operating cycle. Robust single-cylinder design ensures consistent air delivery under demanding conditions. Enhances engine breathing and...$5,230.13$4,777.72 -
CUMMINS 3966311 FLEXIBLE HOSE Original OEM part
CUMMINS
$397.84$363.43Precision-engineered durability for dependable power delivery Flexible design to reduce vibration and extend engine life Corrosion-resistant materials for long-lasting operation Genuine Cummins OEM...$397.84$363.43 -
CUMMINS 3966254 CONNECTION WATER TRANSFER Original OEM part
CUMMINS
$1,628.49$1,487.63Cummins 3966254 - CONNECTION WATER TRANSFER - NO LONGER AVAILABLE MINS3966254 Discover the original 3966254 - CONNECTION WATER TRANSFER - NO LONGER AVAILABLE from Cummins at our store. With a...$1,628.49$1,487.63 -
CUMMINS 3966253 WATER TRANSFER CONNECTION Original OEM part
CUMMINS
$1,168.95$1,067.84Cummins 3966253 - WATER TRANSFER CONNECTION MINS3966253 Find the genuine 3966253 - WATER TRANSFER CONNECTION by Cummins at our store. This essential part ensures seamless water transfer for your...$1,168.95$1,067.84 -
CUMMINS 3966197 ALTERNATOR SUPPORT Original OEM part
CUMMINS
$1,208.60$1,104.06Cummins 3966197 - ALTERNATOR SUPPORT MINS3966197 Choose the genuine Cummins 3966197 Alternator Support from our store for a high-quality replacement part to ensure optimal performance of your...$1,208.60$1,104.06 -
CUMMINS 3965178 PRESSURE GAUGE Original OEM part
CUMMINS
$453.23$414.02Precision engineered to keep your power running smoothly Accurate pressure monitoring for optimal engine performance Durable construction built to withstand demanding operating conditions Certified...$453.23$414.02 -
CUMMINS 3965177 TEMPERATURE GAUGE Original OEM part
CUMMINS
$518.85$473.97Engineered for Precision, Built for Endurance Accurate temperature readings for optimal engine health Durable construction ensures long-term operational reliability 100% Genuine OEM component from...$518.85$473.97 -
CUMMINS 3965174 TEMPERATURE GAUGE Original OEM part
CUMMINS
$592.46$541.21Engineered for precision, built for endurance. Accurately monitors engine temperature to protect your equipment. High durability under demanding operational conditions. 100% genuine Cummins OEM...$592.46$541.21 -
CUMMINS 3965008 ENGINE CRANKSHAFT Original OEM part
CUMMINS
$5,744.50$5,247.61Cummins 3965008 - ENGINE CRANKSHAFT MINS3965008 Find the essential 3965008 - ENGINE CRANKSHAFT manufactured by Cummins at our store, the ultimate destination for premium replacement parts. Our...$5,744.50$5,247.61 -
CUMMINS 3964978 CONNECTION BRACE Original OEM part
CUMMINS
$98.44$89.92Empower your power system with precision-engineered stability Robust design ensures unwavering support under high stress Manufactured as an authentic OEM Cummins part for guaranteed compatibility...$98.44$89.92 -
CUMMINS 3964908 ROCKER LEVER SUPPORT Original OEM part
CUMMINS
$41.13$37.57Engineered for unwavering reliability and peak engine performance. Precision-crafted rocker lever support delivering long-lasting durability. Essential component designed exclusively by Cummins for...$41.13$37.57 -
CUMMINS 3964363 FUEL CONTROL COVER Original OEM part
CUMMINS
$765.33$699.13Precision-engineered for dependable fuel management Robust construction to guard fuel control components against wear and contaminants 100% OEM Cummins authenticity guarantees seamless compatibility...$765.33$699.13 -
CUMMINS 3964302 PIPE PLUG Original OEM part
CUMMINS
$304.94$278.56Precision engineered for demanding Cummins engines Robust corrosion resistance to extend service life Original Equipment Manufacturer (OEM) quality guarantees seamless compatibility CUMMINS 3964302...$304.94$278.56 -
CUMMINS 3964255 PLUG,FILTER Original OEM part
CUMMINS
$58.00$52.99Precision in Every Component, Reliability in Every Run Engineered for Superior Filtration and Longevity Enhances Engine Protection and Maintains System Efficiency 100% Genuine OEM Cummins Part...$58.00$52.99 -
CUMMINS 3964036 FRONT ENGINE SUPPORT Original OEM part
CUMMINS
$667.88$610.11Cummins 3964036 - FRONT ENGINE SUPPORT MINS3964036 Discover the authenticity of the Cummins 3964036 - FRONT ENGINE SUPPORT at our online store. Our commitment to providing genuine replacement parts...$667.88$610.11 -
CUMMINS 3963889 MARINE GEAR SUPPORT Original OEM part
CUMMINS
$1,105.39$1,009.78Engineered for Excellence: Uniting precision with durability for your marine power needs Robust Gear Support Structure: Designed to withstand harsh marine environments and maintain smooth gear...$1,105.39$1,009.78 -
CUMMINS 3963816 PLAIN HOSE COUPLING Original OEM part
CUMMINS
$48.49$44.30Precision engineered for uncompromising durability and seamless integration Ensures optimal hose connection integrity and minimizes leak risks Constructed from premium materials to withstand harsh...$48.49$44.30