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 3977280 MOUNTING SPACER Original OEM part
CUMMINS
$391.43$357.57Precision engineered for seamless integration Robust construction ensures long-term durability under heavy load Original Cummins OEM quality guarantees full compatibility and peak...$391.43$357.57 -
CUMMINS 3976596 TERMINAL BLOCK Original OEM part
CUMMINS
$8,001.08$7,308.99Engineered Precision for Uninterrupted Power Delivery Robust Terminal Block Ensures Secure Electrical Connections Designed to Maintain System Integrity Under High Demand 100% Genuine Cummins OEM...$8,001.08$7,308.99 -
CUMMINS 3976575 GENERATOR CONTROL PANEL Original OEM part
CUMMINS
$1,489.78$1,360.92Cummins 3976575 - GENERATOR CONTROL PANEL MINS3976575 Discover the authenticity and quality of the Cummins 3976575 - GENERATOR CONTROL PANEL, available at our store. Engineered to precise...$1,489.78$1,360.92 -
CUMMINS 3976572 EMERGENCY STOP SHROUD Original OEM part
CUMMINS
$340.48$311.03Precision-crafted for ultimate safety and durability in every shutdown Robust construction designed to withstand harsh operating conditions Easy to install on compatible Cummins power systems 100%...$340.48$311.03 -
CUMMINS 3976434 INJECTOR FUEL SUPPLY TUBE Original OEM part
CUMMINS
$869.89$794.65Precision-engineered for flawless fuel delivery Durable construction ensures long-lasting service life Fully compatible OEM part from Cummins, reliable and safe CUMMINS 3976434 INJECTOR FUEL SUPPLY...$869.89$794.65 -
CUMMINS 3976310 1 CYLINDER AIR COMPRESSOR Original OEM part
CUMMINS
$3,936.09$3,595.62Precision-engineered endurance for your power system’s backbone Robust single-cylinder design delivering consistent air compression performance Critical component crafted to enhance engine breathing...$3,936.09$3,595.62 -
CUMMINS 3976012 OUTLET EXHAUST PIPE Original OEM part
CUMMINS
$107.76$98.44Precision-engineered for uncompromising power system integrity Designed for optimal exhaust flow to enhance engine efficiency Durable construction ensures extended service life under demanding...$107.76$98.44 -
CUMMINS 3975820 DIPSTICK Original OEM part
CUMMINS
$288.74$263.76Precision engineered for accuracy and durability Critical for accurate oil level readings to safeguard engine health Manufactured as an OEM component by Cummins ensuring flawless...$288.74$263.76 -
CUMMINS 3975717 OIL GAUGE TUBE Original OEM part
CUMMINS
$612.32$559.35Uncompromising Quality for Your Power System's Heartbeat Designed for precise oil level monitoring ensuring engine longevity Engineered for durable, leak-proof performance under demanding...$612.32$559.35 -
CUMMINS 3975585 HEAT SHIELD Original OEM part
CUMMINS
$805.78$736.08Engineered to guard critical engine components against extreme temperatures for enhanced longevity Precision-crafted heat shield designed to reduce heat transfer and support optimal engine...$805.78$736.08 -
CUMMINS 3975584 HEAT SHIELD BRACKET Original OEM part
CUMMINS
$272.48$248.91Empower your power system’s resilience with authentic craftsmanship Precision-engineered for superior heat deflection and bracket strength Designed to maintain engine integrity under demanding...$272.48$248.91 -
CUMMINS 3975491 FILTER BRACE Original OEM part
CUMMINS
$107.86$98.53Precision-engineered to secure your filtration system with unwavering strength Crafted for durability, ensuring long-lasting protection for your engine Guaranteed OEM authenticity by Cummins for...$107.86$98.53 -
CUMMINS 3975384 DELPH FUEL INJECTION PUMP Original OEM part
CUMMINS
$8,920.40$8,148.79Engineered for uncompromising power delivery and seamless fuel flow control Exceptional durability ensures long-lasting performance in demanding conditions 100% genuine OEM Cummins component...$8,920.40$8,148.79 -
CUMMINS 3974725 LOCK WASHER Original OEM part
CUMMINS
$9.53$8.70Precision engineered for unwavering power integrity Lock washer crafted to maintain secure fastenings under extreme conditions Essential component designed exclusively by Cummins for superior...$9.53$8.70 -
CUMMINS 3974707 WIRING HARNESS Original OEM part
CUMMINS
$9,874.23$9,020.11Precision-crafted connectivity for relentless power performance Optimized design ensuring seamless electrical integration Durable construction for long-lasting service life in demanding...$9,874.23$9,020.11 -
CUMMINS 3974658 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$40.08$36.62Engineered Excellence for Unmatched Durability Precisely crafted hex head design ensures optimal torque and secure fastening Manufactured as a genuine OEM Cummins component for guaranteed...$40.08$36.62 -
CUMMINS 3974338 DELPH FUEL INJECTION PUMP Original OEM part
CUMMINS
$8,920.40$8,148.79Cummins 3974338 - DELPH FUEL INJECTION PUMP MINS3974338 Discover the authentic 3974338 - DELPH FUEL INJECTION PUMP by Cummins at our store, the ultimate destination for top-quality replacement parts...$8,920.40$8,148.79 -
CUMMINS 3973971 LUBRICATING OIL FILTER HEAD Original OEM part
CUMMINS
$8,663.50$7,914.11Engineered for Durability and Precision Facilitates Optimal Oil Flow for Maximum Engine Protection Designed to Maintain Peak Lubrication System Efficiency Authentic OEM CUMMINS Component for...$8,663.50$7,914.11 -
CUMMINS 3973774 FLYWHEEL HOUSING Original OEM part
CUMMINS
$13,169.74$12,030.56Engineered for Unrivaled Precision: Seamless integration with Cummins engines guarantees optimal alignment and performance. Robust Construction for Durability: Built to withstand extreme operating...$13,169.74$12,030.56 -
CUMMINS 3973699 ELECTRONIC CONTROL MODULE BRACKET Original OEM part
CUMMINS
$186.28$170.17Cummins 3973699 - ELECTRONIC CONTROL MODULE BRACKET MINS3973699 Discover the genuine Cummins 3973699 - ELECTRONIC CONTROL MODULE BRACKET at our store, your top destination for premium replacement...$186.28$170.17 -
CUMMINS 3973672 HEAT SHIELD BRACKET Original OEM part
CUMMINS
$844.03$771.02Engineered to safeguard your power system with unmatched precision and durability Designed to optimize thermal management, enhancing overall engine efficiency Constructed from high-grade materials...$844.03$771.02 -
CUMMINS 3973608 INSTRUMENT PANEL Original OEM part
CUMMINS
$13,000.90$11,876.33Empower your engine's command center with precision-engineered excellence Designed for seamless control and monitoring of your Cummins power system Durable construction for long-lasting operation...$13,000.90$11,876.33 -
CUMMINS 3973540 INSTRUMENT PANEL Original OEM part
CUMMINS
$14,122.86$12,901.23Cummins 3973540 - INSTRUMENT PANEL MINS3973540 When in need of the authentic Cummins 3973540 - INSTRUMENT PANEL, look no further. Our store stands out as the top choice for finding genuine...$14,122.86$12,901.23 -
CUMMINS 3973414 PLAIN HOSE Original OEM part
CUMMINS
$21.04$19.22Experience uncompromising durability with every connection. Precision-engineered hose delivering optimal fluid transfer efficiency. Constructed from premium materials designed to withstand extreme...$21.04$19.22 -
CUMMINS 3973305 FLYWHEEL HOUSING Original OEM part
CUMMINS
$5,949.36$5,434.74Precision-engineered by Cummins for unmatched durability and seamless integration. Robust construction designed to endure demanding engine loads and extend equipment lifespan. Essential for...$5,949.36$5,434.74 -
CUMMINS 3972993 HEAT SHIELD BRACKET Original OEM part
CUMMINS
$444.93$406.44Built for endurance, engineered for precision Excellent heat dissipation preserving engine components Robust mounting design ensuring secure attachment under extreme conditions Guaranteed OEM...$444.93$406.44 -
CUMMINS 3972984 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$12.94$11.82Engineered for unmatched fastening strength and long-lasting durability Designed to maintain structural integrity under extreme engine conditions Genuine OEM CUMMINS part ensuring precision fit and...$12.94$11.82 -
CUMMINS 3972969 MALE UNION Original OEM part
CUMMINS
$85.75$78.33Precision-engineered for seamless integration and optimal power delivery Durable construction designed to withstand rigorous operational demands Genuine OEM Cummins component for maximum safety and...$85.75$78.33 -
CUMMINS 3972932 SPACER Original OEM part
CUMMINS
$8.83$8.06Precision Fit, Enduring Power: Elevate your Cummins system’s integrity with every component. Durable Construction: Crafted from high-grade materials to withstand intensive engine environments...$8.83$8.06 -
CUMMINS 3972335 TWELVE POINT CAPSCREW Original OEM part
CUMMINS
$46.60$42.57Precision engineered to power your performance Exceptional tensile strength for critical engine fastening Corrosion-resistant finish ensuring long-term durability Authentic Cummins OEM part...$46.60$42.57 -
CUMMINS 3970997 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$11,326.49$10,346.75Precision engineered to maintain peak exhaust efficiency with Cummins reliability. Robust design ensures long-lasting heat and corrosion resistance under demanding conditions. Direct OEM...$11,326.49$10,346.75 -
CUMMINS 3970996 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$12,934.30$11,815.49Engineered Precision Meets Endurance Seamless exhaust flow optimization for peak engine efficiency Durable construction ensures long-term resistance to harsh conditions Certified OEM component...$12,934.30$11,815.49 -
CUMMINS 3970994 EXHAUST OUTLET CONNECTION BRACE Original OEM part
CUMMINS
$404.79$369.78Precision engineered for uncompromising endurance and stability under demanding conditions Robust construction ensures optimal exhaust system alignment and reduces vibration damage Designed...$404.79$369.78 -
CUMMINS 3970902 FUEL PUMP Original OEM part
CUMMINS
$8,242.40$7,529.44Power your engine with uncompromised precision Advanced fuel delivery technology for optimal combustion Durable design engineered for peak reliability under demanding conditions Certified Genuine...$8,242.40$7,529.44 -
CUMMINS 3970776 PRESSURE REGULATOR VALVE Original OEM part
CUMMINS
$104.86$95.79Cummins 3970776 - PRESSURE REGULATOR VALVE MINS3970776 Explore our authentic 3970776 - PRESSURE REGULATOR VALVE by Cummins, SKU MINS3970776, engineered meticulously for optimal performance. Trust us...$104.86$95.79 -
CUMMINS 3970738 MOUNTING SPACER Original OEM part
CUMMINS
$43.59$39.82Engineering excellence that drives dependable power Precisely crafted mounting spacer to maintain optimal engine alignment Durability designed to withstand rigorous operating conditions 100% genuine...$43.59$39.82 -
CUMMINS 3970717 CONNECTION WATER INLET Original OEM part
CUMMINS
$1,317.63$1,203.65Cummins 3970717 - CONNECTION WATER INLET - NO LONGER AVAILABLE MINS3970717 Explore the unbeatable quality of the Cummins 3970717 - CONNECTION WATER INLET - NO LONGER AVAILABLE at our online store...$1,317.63$1,203.65 -
CUMMINS 3970530 FAN GUARD BRACKET Original OEM part
CUMMINS
$787.80$719.66Engineered for excellence: Your Cummins power solution deserves only authentic parts designed to maintain optimal functionality. Durability under demanding conditions: This bracket safeguards your...$787.80$719.66 -
CUMMINS 3970522 STARTING MOTOR SPACER Original OEM part
CUMMINS
$373.40$341.11Precision engineered for seamless starter motor fitment Durable OEM construction for long-lasting engine support Ensures optimal starter performance and alignment 100% genuine CUMMINS OEM component...$373.40$341.11 -
CUMMINS 3970521 STARTING MOTOR SPACER Original OEM part
CUMMINS
$2,849.77$2,603.27Precision engineered for unmatched integration and reliability Durable construction ensures long-lasting support for your starting motor system Essential for maintaining optimal alignment and smooth...$2,849.77$2,603.27