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 3933403 DIPSTICK Original OEM part
CUMMINS
$375.70$343.21Reliability engineered into every dipstick measurement Durable construction ensures accurate oil level readings over the engine’s life cycle Perfect OEM fitment for seamless installation and optimal...$375.70$343.21 -
CUMMINS 3933400 PLAIN HOSE Original OEM part
CUMMINS
$27.94$25.52Precision-engineered durability: Designed to meet the rigorous standards synonymous with Cummins excellence. Resilient material composition: Ensures optimal resistance to wear, heat, and pressure...$27.94$25.52 -
CUMMINS 3933340 INSERT THREADED Original OEM part
CUMMINS
$20.50$18.73Cummins 3933340 - INSERT THREADED - NO LONGER AVAILABLE MINS3933340 Discover the original Cummins 3933340 - INSERT THREADED - NO LONGER AVAILABLE at our store. Ensure your outdoor equipment runs...$20.50$18.73 -
CUMMINS 3933289 AIR CROSSOVER CONNECTION Original OEM part
CUMMINS
$860.00$785.61Engineered Precision Meets Enduring Reliability Optimizes airflow for peak engine performance Constructed from durable materials to withstand demanding operating conditions 100% genuine OEM Cummins...$860.00$785.61 -
CUMMINS 3933251 ACCESSORY DRIVE PULLEY Original OEM part
CUMMINS
$671.90$613.79Precision engineered to empower your Cummins engine with unwavering reliability. Designed to enhance efficient accessory belt operation and reduce mechanical wear. Manufactured to stringent Cummins...$671.90$613.79 -
CUMMINS 3933133 SOLENOID Original OEM part
CUMMINS
$1,492.99$1,363.85Experience uncompromising reliability with Cummins-engineered precision Robust solenoid design for consistent engine start and power delivery Optimized for peak performance and extended service...$1,492.99$1,363.85 -
CUMMINS 3932611 FEMALE CONNECTOR Original OEM part
CUMMINS
$64.10$58.56Precision-engineered for seamless power delivery and connectivity Robust construction guarantees long-lasting durability in demanding environments Specifically designed as a genuine Cummins OEM...$64.10$58.56 -
CUMMINS 3932503 FLEXPLATE Original OEM part
CUMMINS
$887.20$810.46Precision engineered for uncompromising power transmission Robust construction for enduring engine synchronization Expertly crafted as an authentic Cummins OEM component for unmatched...$887.20$810.46 -
CUMMINS 3931692 ORING SEAL Original OEM part
CUMMINS
$36.50$33.35Engineered Excellence in Every Seal Durable, resilient design optimized for leak prevention Precisely crafted to maintain system integrity and performance Guaranteed genuine OEM Cummins component...$36.50$33.35 -
CUMMINS 3931677 STREET PIPE TEE Original OEM part
CUMMINS
$153.29$140.03Cummins 3931677 - STREET PIPE TEE MINS3931677 Discover the genuine quality of the Cummins 3931677 - STREET PIPE TEE, SKU "MINS3931677", now available in our store. With our commitment to providing...$153.29$140.03 -
CUMMINS 3931629 FLYWHEEL HOUSING Original OEM part
CUMMINS
$3,046.45$2,782.93Engineered for Precision and Durability: This flywheel housing ensures optimal alignment and balance in your Cummins engine assembly. Enhanced Structural Integrity: Crafted to withstand demanding...$3,046.45$2,782.93 -
CUMMINS 3931382 FUEL PUMP GEAR Original OEM part
CUMMINS
$682.50$623.47Precision-engineered for seamless fuel delivery and optimal engine power Manufactured to rigorous OEM standards for unmatched durability and fit Essential for maintaining fuel system...$682.50$623.47 -
CUMMINS 3931338 ACCESSORY DRIVE GEAR Original OEM part
CUMMINS
$188.70$172.38Precision engineered for seamless power delivery and reliability Heavy-duty construction ensures long-lasting performance under demanding conditions Designed exclusively by Cummins as a genuine OEM...$188.70$172.38 -
CUMMINS 3930753 CONTROL LINKAGE BRACKET Original OEM part
CUMMINS
$182.30$166.54Engineered precision delivering trusted control linkage stability. Robust construction designed for long-lasting, reliable service. Manufactured as an authentic OEM component from Cummins,...$182.30$166.54 -
CUMMINS 3930285 CONTROL LINKAGE LEVER Original OEM part
CUMMINS
$495.99$453.09Precision engineered for seamless integration in your Cummins power system Durable construction to withstand demanding engine control environments Ensures optimal throttle and governor linkage...$495.99$453.09 -
CUMMINS 3929996 INTAKE MANIFOLD COVER Original OEM part
CUMMINS
$964.49$881.07Precision Fit for Unmatched Engine Protection Optimized for Durability and Effective Airflow Management Manufactured as an OEM component by Cummins, ensuring full system compatibility Power Your...$964.49$881.07 -
CUMMINS 3929985 WATER TRANSFER CONNECTION Original OEM part
CUMMINS
$484.93$442.98Cummins 3929985 - WATER TRANSFER CONNECTION MINS3929985 Find peace of mind when shopping for the 3929985 - WATER TRANSFER CONNECTION at our store, the ultimate destination for original Cummins...$484.93$442.98 -
CUMMINS 3929924 WATER MANIFOLD Original OEM part
CUMMINS
$326.98$298.70Precision engineered for seamless integration and optimal cooling efficiency Constructed from high-grade materials to withstand extreme operating conditions 100% genuine CUMMINS OEM component...$326.98$298.70 -
CUMMINS 3929342 BELT TENSIONER BRACKET Original OEM part
CUMMINS
$392.80$358.83Precision Crafted to Support Your Power Durable, corrosion-resistant construction for extended service life Designed to maintain optimal belt tension and ensure smooth engine function 100% OEM...$392.80$358.83 -
CUMMINS 3929085 AIR CROSSOVER CONNECTION Original OEM part
CUMMINS
$7,664.05$7,001.11Cummins 3929085 - AIR CROSSOVER CONNECTION MINS3929085 Discover the authentic 3929085 - AIR CROSSOVER CONNECTION, an essential part made by Cummins to ensure optimal performance for your outdoor...$7,664.05$7,001.11 -
CUMMINS 3929055 PUMP BRACKET Original OEM part
CUMMINS
$53.65$49.01Engineered for Precision and Durability Ensures Optimal Pump Alignment for Maximum Efficiency Corrosion-Resistant Design for Extended Service Life 100% Genuine OEM Cummins Component—Built to...$53.65$49.01 -
CUMMINS 3928971 MALE CONNECTOR Original OEM part
CUMMINS
$113.23$103.43Precision engineered to connect your power system with uncompromising reliability. Durable design ensures consistent electrical connections for peak generator performance. Corrosion-resistant...$113.23$103.43 -
CUMMINS 3928340 COMPRESSOR WATER INLET TUBE Original OEM part
CUMMINS
$192.87$176.19Precision engineered for lasting engine vitality Robust design optimizes water flow and prevents leaks Durability that withstands demanding operational conditions Manufactured exclusively as an OEM...$192.87$176.19 -
CUMMINS 3927213 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$28.46$26.00Precision engineered fastening for uncompromised durability Robust flange design delivers consistent clamping force under extreme conditions Manufactured as a genuine OEM part by Cummins to...$28.46$26.00 -
CUMMINS 3927127 THREADED PLUG Original OEM part
CUMMINS
$42.89$39.18Dependable sealing for peak engine performance Precision-threaded design ensures secure fit and leak prevention Certified OEM part from Cummins for guaranteed compatibility and durability CUMMINS...$42.89$39.18 -
CUMMINS 3926838 GEAR COVER Original OEM part
CUMMINS
$766.08$699.82Precision engineered to protect, perform, and last Durable construction designed to withstand demanding engine environments Exact OEM fit ensuring seamless integration with your Cummins...$766.08$699.82 -
CUMMINS 3926766 FRONT ENGINE SUPPORT Original OEM part
CUMMINS
$559.59$511.19Engineered to provide unwavering strength and support precisely where your engine needs it most. Robust construction guarantees long-lasting durability under demanding operational conditions...$559.59$511.19 -
CUMMINS 3926494 FAN PILOT SPACER Original OEM part
CUMMINS
$287.14$262.30Precision engineered for uncompromising power delivery Maintains optimal fan alignment to prevent vibration and premature wear Constructed from durable materials for extended service life Certified...$287.14$262.30 -
CUMMINS 3926487 FAN PILOT SPACER Original OEM part
CUMMINS
$166.90$152.47Cummins 3926487 - FAN PILOT SPACER MINS3926487 Find your perfect fit with the original 3926487 - FAN PILOT SPACER from Cummins. Our store provides top-quality replacement parts to keep your outdoor...$166.90$152.47 -
CUMMINS 3925757 TURBOCHARGER OIL DRAIN CONNECTION Original OEM part
CUMMINS
$942.00$860.52Precision engineered to uphold Cummins’ legacy of reliability and efficiency Durable construction designed to maintain optimal oil flow and turbocharger health Ensures seamless turbocharger oil...$942.00$860.52 -
CUMMINS 3925631 OIL GAUGE TUBE Original OEM part
CUMMINS
$107.38$98.09Cummins 3925631 - OIL GAUGE TUBE MINS3925631 Find the genuine 3925631 - OIL GAUGE TUBE by Cummins at our store, your ultimate destination for authentic replacement parts. Our commitment to quality...$107.38$98.09 -
CUMMINS 3925404 SHIPPING BRACKET Original OEM part
CUMMINS
$190.93$174.41Engineered for reliability and precision Ensures optimal support and alignment within your Cummins system Durable construction for extended service life 100% Genuine Cummins OEM component for...$190.93$174.41 -
CUMMINS 3925275 BELT TENSIONER BRACKET Original OEM part
CUMMINS
$283.00$258.53Cummins 3925275 - BELT TENSIONER BRACKET MINS3925275 When it comes to finding the authentic 3925275 - BELT TENSIONER BRACKET for your equipment, look no further than our store. We proudly offer the...$283.00$258.53 -
CUMMINS 3925192 BELT TENSIONER BRACKET Original OEM part
CUMMINS
$245.09$223.89Cummins 3925192 - BELT TENSIONER BRACKET MINS3925192 When you need a reliable replacement part like the Cummins 3925192 - BELT TENSIONER BRACKET, our store is your best option. Our commitment to...$245.09$223.89 -
CUMMINS 3925109 WIRING SHIELD Original OEM part
CUMMINS
$58.70$53.63Precision-crafted protection: Shield your wiring with a product engineered for dependable durability. Enhanced engine safety: Minimize electrical risks and preserve system integrity under demanding...$58.70$53.63 -
CUMMINS 3922959 FAN PILOT SPACER Original OEM part
CUMMINS
$241.49$220.61Precision engineered for enduring power and seamless operation Ensures proper fan alignment to maximize cooling efficiency Manufactured as a genuine Cummins OEM component for guaranteed...$241.49$220.61 -
CUMMINS 3922872 FAN PILOT SPACER Original OEM part
CUMMINS
$1,635.49$1,494.02Precision engineering that guarantees optimal fan alignment Durable construction designed to withstand rigorous engine conditions Authentic Cummins OEM part ensuring full compatibility and warranty...$1,635.49$1,494.02 -
CUMMINS 3922763 FUEL INJECTION PUMP Original OEM part
CUMMINS
$8,494.57$7,759.79Cummins 3922763 - FUEL INJECTION PUMP MINS3922763 Find the genuine Cummins 3922763 - FUEL INJECTION PUMP at our store, where quality meets affordability. Trust in the brand's reliability for...$8,494.57$7,759.79 -
CUMMINS 3922534 SHIPPING BRACKET Original OEM part
CUMMINS
$223.04$203.75Precision engineered for secure support – safeguard your generator's structural integrity. Designed to withstand harsh conditions – built for longevity and dependable use. 100% OEM genuine Cummins...$223.04$203.75 -
CUMMINS 3922041 CYLINDER HEAD Original OEM part
CUMMINS
$11,277.60$10,302.09Precision engineering matched to your engine’s demands Durable construction for sustained performance under heavy load Crafted exclusively by Cummins as an OEM certified component Unleash the Power...$11,277.60$10,302.09