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 3963717 FUEL PUMP Original OEM part
CUMMINS
$7,164.60$6,544.87Precision engineered for unwavering power delivery Enhanced durability designed for demanding conditions Certified genuine OEM from Cummins for guaranteed compatibility CUMMINS 3963717 FUEL PUMP –...$7,164.60$6,544.87 -
CUMMINS 3963384 FLYWHEEL Original OEM part
CUMMINS
$14,806.60$13,525.83Cummins 3963384 - FLYWHEEL MINS3963384 Upgrade your outdoor equipment with the genuine 3963384 - FLYWHEEL from Cummins. Made with precision and quality materials, this replacement part ensures...$14,806.60$13,525.83 -
CUMMINS 3960900 BOSCH FUEL INJECTION PUMP Original OEM part
CUMMINS
$8,636.55$7,889.49Experience power precision engineered for reliability and efficiency Optimized fuel delivery for maximum engine performance and longevity Robust construction designed to withstand demanding...$8,636.55$7,889.49 -
CUMMINS 3960489 FLYWHEEL HOUSING Original OEM part
CUMMINS
$993.99$908.01Cummins 3960489 - FLYWHEEL HOUSING MINS3960489 When it comes to genuine quality, look no further than the Cummins 3960489 - FLYWHEEL HOUSING available at our store. Our commitment to providing...$993.99$908.01 -
CUMMINS 3960046 ENGINE FAN Original OEM part
CUMMINS
$979.20$894.50Engineered for precision cooling to keep your Cummins power running stronger, longer. Optimal airflow design that reduces engine temperature and enhances fuel efficiency. Durability crafted to...$979.20$894.50 -
CUMMINS 3958700 EXHAUST OUTLET ADAPTER Original OEM part
CUMMINS
$457.49$417.92Precision-engineered for seamless power performance Durable exhaust outlet adapter ensuring optimal gas flow Corrosion-resistant construction for long-lasting service Certified OEM part directly...$457.49$417.92 -
CUMMINS 3958561 MALE ADAPTER ELBOW Original OEM part
CUMMINS
$77.73$71.00Engineered for uncompromising reliability and performance Precision-crafted to ensure perfect fit and function within Cummins systems Enhances fluid flow efficiency and system longevity under...$77.73$71.00 -
CUMMINS 3958029 PIPE CONNECTOR Original OEM part
CUMMINS
$28.54$26.07Precision engineered for uncompromising power delivery Durable construction designed to withstand intense operational environments Ensures optimal fluid flow and secure engine connectivity 100%...$28.54$26.07 -
CUMMINS 3957980 FLEXIBLE HOSE Original OEM part
CUMMINS
$219.86$200.84Cummins 3957980 - FLEXIBLE HOSE MINS3957980 Find the original 3957980 - FLEXIBLE HOSE, SKU MINS3957980 from Cummins at our store. Our commitment to providing genuine replacement parts ensures...$219.86$200.84 -
CUMMINS 3957893 ALARM CANCEL BOOT Original OEM part
CUMMINS
$16.78$15.33Engineered to deliver unmatched reliability and precision for your Cummins generator system Durable construction ensures long-lasting protection and consistent alarm cancellation...$16.78$15.33 -
CUMMINS 3957858 FRONT ENGINE SUPPORT Original OEM part
CUMMINS
$903.88$825.70Engineered for endurance, designed for precision – ensure your engine stands strong Robust front engine support stabilizes your engine under challenging conditions Durable construction resists...$903.88$825.70 -
CUMMINS 3957722 ORING SEAL Original OEM part
CUMMINS
$21.45$19.59Precision-engineered for uncompromising sealing excellence Durable material ensures leak-proof performance under extreme conditions Certified OEM part crafted by Cummins for guaranteed...$21.45$19.59 -
CUMMINS 3957605 ALTERNATOR BRACKET Original OEM part
CUMMINS
$442.14$403.89Cummins 3957605 - ALTERNATOR BRACKET - - NO LONGER AVAILABLE MINS3957605 Discover the top-notch quality and genuine Cummins 3957605 - ALTERNATOR BRACKET - - NO LONGER AVAILABLE in our store. Our...$442.14$403.89 -
CUMMINS 3957495 WATER MANIFOLD Original OEM part
CUMMINS
$8,682.96$7,931.88Power your engine’s heart with precision-engineered excellence Robust water flow management for consistent cooling performance Durability designed to withstand rigorous engine demands Official OEM...$8,682.96$7,931.88 -
CUMMINS 3955346 ALTERNATOR BRACE Original OEM part
CUMMINS
$121.79$111.26Engineered to uphold Cummins' legacy of durability and precision Robust alternator support ensures stable electrical system operation Constructed from high-grade materials for long-lasting...$121.79$111.26 -
CUMMINS 3947775 WATER DRAIN TUBE Original OEM part
CUMMINS
$35.89$32.79Engineered Excellence for Unmatched Durability Precision Fit Ensuring Optimal Water Drainage High-Quality Material to Resist Corrosion and Wear Certified OEM Component Directly from Cummins CUMMINS...$35.89$32.79 -
CUMMINS 3946165 PLAIN HOSE Original OEM part
CUMMINS
$77.72$70.99Cummins 3946165 - PLAIN HOSE MINS3946165 Find the genuine 3946165 - PLAIN HOSE by Cummins at our online store. Rest assured you are getting a top-quality product with product SKU "MINS3946165"...$77.72$70.99 -
CUMMINS 3945591 ALTERNATOR SUPPORT Original OEM part
CUMMINS
$1,366.48$1,248.28Precision engineered to uphold Cummins' legacy of dependable power. Robust construction ensures stable alternator alignment for optimal performance. Corrosion-resistant finish extends service life...$1,366.48$1,248.28 -
CUMMINS 3945280 FUEL PUMP GEAR Original OEM part
CUMMINS
$522.39$477.21Precision-engineered for peak fuel system performance Enhances reliability and fuel delivery consistency Durable construction designed for extended service life under demanding conditions 100%...$522.39$477.21 -
CUMMINS 3944170 BEARING CRANKSHAFT THRUST Original OEM part
CUMMINS
$328.04$299.66Cummins 3944170 - BEARING CRANKSHAFT THRUST - NO LONGER AVAILABLE MINS3944170 Find the original "3944170 - BEARING CRANKSHAFT THRUST - NO LONGER AVAILABLE" by Cummins at our store. Explore the...$328.04$299.66 -
CUMMINS 3943805 ADJUSTING LINKAGE Original OEM part
CUMMINS
$734.14$670.64Cummins 3943805 - ADJUSTING LINKAGE MINS3943805 Discover the precision-engineered superiority of the Cummins 3943805 - ADJUSTING LINKAGE, a quality replacement part designed for optimal performance...$734.14$670.64 -
CUMMINS 3943786 TWELVE POINT CAPSCREW Original OEM part
CUMMINS
$39.25$35.85Precision engineered to uphold Cummins’ legacy of excellence Robust twelve-point design ensuring superior fastening strength Corrosion-resistant finish for extended service life in demanding...$39.25$35.85 -
CUMMINS 3943454 CONNECTION BRACE Original OEM part
CUMMINS
$310.03$283.21Engineered to uphold Cummins’ legacy of endurance and precision Structural stability for optimal generator assembly integrity Correlation with enhanced vibration control and noise...$310.03$283.21 -
CUMMINS 3939702 FUEL PUMP SOLENOID Original OEM part
CUMMINS
$1,142.24$1,043.44Precision engineered for unwavering fuel control Durable construction to withstand demanding engine environments Seamless fit and performance as an original Cummins component Guaranteed OEM...$1,142.24$1,043.44 -
CUMMINS 3938664 ALTERNATOR BRACE Original OEM part
CUMMINS
$719.45$657.22Precision engineered to uphold Cummins’ legacy of power and reliability Robust construction ensures steadfast alternator support under demanding conditions Designed for perfect fitment and optimal...$719.45$657.22 -
CUMMINS 3937309 WIRING RETAINER BRACKET Original OEM part
CUMMINS
$208.40$190.38Precision engineered for lasting reliability in demanding power systems Robust design secures wiring to prevent damage and maintain electrical integrity Essential for optimized generator performance...$208.40$190.38 -
CUMMINS 3936918 PLAIN HOSE Original OEM part
CUMMINS
$55.14$50.37Engineered for Excellence, Built to Endure Durable, high-quality construction resists wear under demanding conditions Designed to maintain perfect fluid flow and prevent leaks 100% Genuine OEM...$55.14$50.37 -
CUMMINS 3936830 TRANSMISSION ADAPTER Original OEM part
CUMMINS
$9,370.34$8,559.80Precision engineered for seamless power transmission integration Durable design ensures long-lasting performance under demanding conditions 100% Genuine OEM Cummins quality guarantees full...$9,370.34$8,559.80 -
CUMMINS 3936422 FLYWHEEL Original OEM part
CUMMINS
$12,670.23$11,574.25Engineered to Power Your Precision Robust design ensuring seamless torque transfer and vibration control Optimized to maintain engine balance and prolong system life Authentic OEM component from...$12,670.23$11,574.25 -
CUMMINS 3935812 OIL COOLER Original OEM part
CUMMINS
$1,848.38$1,688.50Engineered to maintain optimal oil temperature, enhancing engine longevity and reliability. Advanced cooling technology reduces wear and ensures peak performance under demanding conditions. 100% OEM...$1,848.38$1,688.50 -
CUMMINS 3935716 SOLENOID BRACKET Original OEM part
CUMMINS
$315.30$288.03Precision engineered for seamless power delivery and lasting durability Robust construction to support critical solenoid functions under demanding conditions Designed exclusively by Cummins to...$315.30$288.03 -
CUMMINS 3935642 STARTING MOTOR SPACER Original OEM part
CUMMINS
$919.93$840.35Precision engineered for seamless integration Enhances starting motor alignment for optimal operation Durability that withstands demanding Cummins engine conditions Guaranteed OEM authenticity from...$919.93$840.35 -
CUMMINS 3935150 PLAIN HOSE Original OEM part
CUMMINS
$108.56$99.17Engineered for seamless integration and enduring strength Precision-crafted to support optimal fluid flow and temperature resilience Manufactured exclusively by Cummins to guarantee OEM authenticity...$108.56$99.17 -
CUMMINS 3935149 PLAIN HOSE Original OEM part
CUMMINS
$63.83$58.31Engineered for excellence, trusted for endurance. Precision-crafted hose ensuring leak-free, dependable fluid transfer. Heat and abrasion resistant for extended service life under demanding...$63.83$58.31 -
CUMMINS 3934659 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$154.80$141.41Cummins 3934659 - HEX FLANGE HEAD CAPSCREW MINS3934659 When it comes to reliability and quality, look no further than the 3934659 - HEX FLANGE HEAD CAPSCREW from Cummins. Our store is the ultimate...$154.80$141.41 -
CUMMINS 3934518 BRACE ALTERNATOR Original OEM part
CUMMINS
$129.33$118.14The CUMMINS 3934518 brace alternator is a durable metal OEM replacement part designed to secure the alternator assembly firmly. It provides robust support that prevents alternator misalignment...$129.33$118.14 -
CUMMINS 3934433 FUEL INJECTION PUMP Original OEM part
CUMMINS
$8,242.40$7,529.44Cummins 3934433 - FUEL INJECTION PUMP MINS3934433 Find top-notch original 3934433 - FUEL INJECTION PUMP from Cummins at our store. Engineered to precision, this product (SKU: MINS3934433) is the...$8,242.40$7,529.44 -
CUMMINS 3934157 MOUNTING SPACER Original OEM part
CUMMINS
$516.33$471.67Cummins 3934157 - MOUNTING SPACER MINS3934157 Discover the genuine Cummins 3934157 - MOUNTING SPACER at our store, ensuring high-quality replacement parts for your outdoor equipment. Our commitment...$516.33$471.67 -
CUMMINS 3934117 BELT TENSIONER BRACKET Original OEM part
CUMMINS
$197.79$180.69Precision engineered for lasting reliability and seamless integration Robust construction withstands demanding engine conditions Designed exclusively as an OEM Cummins component for guaranteed...$197.79$180.69 -
CUMMINS 3933661 FLYWHEEL Original OEM part
CUMMINS
$2,716.49$2,481.52Precision-engineered durability for enduring power delivery High-strength flywheel designed to optimize engine balance and torque transmission 100% genuine OEM Cummins component ensuring exact...$2,716.49$2,481.52