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 4009285 HEAT SHIELD BRACKET Original OEM part
CUMMINS
$756.45$691.02Engineered Excellence for Safe Heat Management Durable Construction Ensures Long-Term Reliability Precisely Manufactured as an OEM CUMMINS Component Secure Performance and Endurance with the...$756.45$691.02 -
CUMMINS 4009284 HEAT SHIELD BRACKET Original OEM part
CUMMINS
$1,545.99$1,412.27Precision Engineered for Endurance: Protect your engine with a bracket designed to withstand extreme heat and stress. Robust Heat Shield Compatibility: Ensures efficient heat dissipation...$1,545.99$1,412.27 -
CUMMINS 4009283 FILTER BRACKET Original OEM part
CUMMINS
$1,044.58$954.23Built to endure, engineered to perform—experience unmatched reliability with Cummins precision. Robust construction ensures steadfast support for your engine’s filtration system. Designed...$1,044.58$954.23 -
CUMMINS 4009250 FUEL SUPPLY TUBE Original OEM part
CUMMINS
$389.30$355.63Engineered Precision, Unmatched Reliability Robust construction ensures sustained fuel delivery under demanding conditions Designed to seamlessly integrate with Cummins power systems for peak...$389.30$355.63 -
CUMMINS 4009242 LUBRICATING OIL FILTER HEAD Original OEM part
CUMMINS
$5,488.70$5,013.93Cummins 4009242 - LUBRICATING OIL FILTER HEAD MINS4009242 Find the genuine 4009242 - LUBRICATING OIL FILTER HEAD from Cummins at our store for superior quality and performance. Benefit from the best...$5,488.70$5,013.93 -
CUMMINS 4009241 LUBRICATING OIL FILTER HEAD Original OEM part
CUMMINS
$3,920.23$3,581.13Engineered to sustain your power—precision craftsmanship for unrivaled reliability. Robust design ensures consistent oil flow and filtration integrity under demanding conditions. Enhances engine...$3,920.23$3,581.13 -
CUMMINS 4009176 WIRING HARNESS Original OEM part
CUMMINS
$789.08$720.83Power your system with uncompromised connectivity. Engineered for precise fit and dependable performance. Designed to endure harsh environments and ensure long-term reliability. 100% genuine Cummins...$789.08$720.83 -
CUMMINS 4007926 ENGINE SUPPORT Original OEM part
CUMMINS
$2,584.97$2,361.37Precision engineered for enduring power and stability Robust construction provides maximum vibration dampening Designed to maintain engine alignment and reduce wear Certified OEM part from Cummins...$2,584.97$2,361.37 -
CUMMINS 4007912 FILTER HEAD Original OEM part
CUMMINS
$11,299.02$10,321.65Precision engineered to uphold Cummins' legacy of excellence. Robust construction ensures optimal filtration and engine protection. Seamless compatibility with Cummins generator systems for...$11,299.02$10,321.65 -
CUMMINS 4007837 VALVE COVER Original OEM part
CUMMINS
$1,174.65$1,073.04Precision engineered for uncompromising engine protection. Durable construction delivering leak-free sealing and enhanced reliability. Resilient material designed to withstand extreme operating...$1,174.65$1,073.04 -
CUMMINS 4007836 VALVE COVER Original OEM part
CUMMINS
$1,348.37$1,231.74Engineered to perfection for reliable engine protection Durable design that ensures optimal sealing and longevity Precisely crafted by Cummins for seamless compatibility Authentic OEM component...$1,348.37$1,231.74 -
CUMMINS 4007714 VALVE INSERT Original OEM part
CUMMINS
$656.48$599.70Engineered for Precision, Built for Endurance Exceptional Heat and Wear Resistance to maintain optimal valve operation Exact OEM Specifications designed exclusively by Cummins for maximum...$656.48$599.70 -
CUMMINS 4007713 VALVE INSERT Original OEM part
CUMMINS
$298.29$272.49Engineered Excellence for Precision Power High-durability valve insert designed to maintain optimal engine health Improves combustion efficiency and fuel economy under demanding conditions 100% OEM...$298.29$272.49 -
CUMMINS 4007712 VALVE INSERT Original OEM part
CUMMINS
$320.19$292.50Cummins 4007712 - VALVE INSERT - - NO LONGER AVAILABLE MINS4007712 Get the original "4007712 - VALVE INSERT - - NO LONGER AVAILABLE" from Cummins with SKU "MINS4007712" here! Our store offers the...$320.19$292.50 -
CUMMINS 4007515 .040 CONNECTING ROD BEARING Original OEM part
CUMMINS
$430.29$393.07Cummins 4007515 - .040 CONNECTING ROD BEARING MINS4007515 Find the authentic 4007515 - .040 connecting rod bearing you need for your Cummins equipment at our store. Our store offers the best price...$430.29$393.07 -
CUMMINS 4007514 .030 CONNECTING ROD BEARING Original OEM part
CUMMINS
$430.29$393.07Precision-engineered durability for uncompromising engine health Optimized for seamless fit and peak performance in Cummins systems Manufactured to strict OEM standards ensuring total...$430.29$393.07 -
CUMMINS 4007290 CABLE Original OEM part
CUMMINS
$374.09$341.74Precision engineered for dependable power delivery Durable construction ensures long-term operational stability Exceptional fit as an authentic OEM Cummins component Reliable Connections with...$374.09$341.74 -
CUMMINS 4007074 MALE UNION ELBOW Original OEM part
CUMMINS
$510.39$466.25Precision-engineered durability for seamless power system integration Designed to withstand harsh operating conditions while maintaining optimal flow Certified genuine Cummins OEM part ensuring full...$510.39$466.25 -
CUMMINS 4006804 REDUCING ADAPTER Original OEM part
CUMMINS
$559.95$511.51Precision-engineered for flawless integration within Cummins power systems. Ensures optimal fuel flow adaptation, supporting engine efficiency and longevity. Manufactured as an original OEM...$559.95$511.51 -
CUMMINS 4003828 FLEXIBLE HOSE Original OEM part
CUMMINS
$204.96$187.23Engineered precision meets enduring strength for your Cummins power system High-flexibility design ensures optimal flow and vibration resistance under demanding conditions Corrosion-resistant...$204.96$187.23 -
CUMMINS 4003798 TUBE BRACE Original OEM part
CUMMINS
$312.12$285.12Engineered for Unmatched Stability and Durability Designed to Maintain Critical Structural Integrity within Your Cummins System Guaranteed Genuine OEM Part for Seamless Compatibility and...$312.12$285.12 -
CUMMINS 4003714 12 VOLT SPEED SWITCH Original OEM part
CUMMINS
$2,303.10$2,103.89Precision engineered for dependable control at every RPM Robust 12 volt design ensures consistent speed sensing under demanding conditions Genuine OEM part directly from Cummins for guaranteed...$2,303.10$2,103.89 -
CUMMINS 4003708 SWITCH BRACKET Original OEM part
CUMMINS
$331.60$302.92Precision crafted for unwavering strength in every connection Robust construction ensuring secure switch mounting in demanding environments Designed specifically for Cummins systems to guarantee...$331.60$302.92 -
CUMMINS 4003534 MARINE GEAR SUPPORT Original OEM part
CUMMINS
$714.96$653.12Engineered Precision for Enduring Power Robust Structure Delivers Exceptional Gear Stability Optimized for Seamless Marine Engine Integration Certified Genuine OEM Cummins Component for Guaranteed...$714.96$653.12 -
CUMMINS 4001988 ELECTRONIC CONTROL MODULE BRACKET Original OEM part
CUMMINS
$96.47$88.13Precision-crafted support for your power system’s heart Robust design for unwavering ECM stability in demanding environments Corrosion-resistant finish to extend service life under harsh...$96.47$88.13 -
CUMMINS 4001987 MALE UNION ELBOW Original OEM part
CUMMINS
$528.70$482.97Precision-engineered connection for optimal fluid flow reliability Robust corrosion-resistant design assures long-lasting service life 100% genuine Cummins OEM component guaranteeing perfect...$528.70$482.97 -
CUMMINS 4001983 FUEL SUPPLY TUBE Original OEM part
CUMMINS
$45.28$41.37Cummins 4001983 - FUEL SUPPLY TUBE MINS4001983 Our store proudly offers the genuine Cummins 4001983 - FUEL SUPPLY TUBE, designed to deliver optimal performance for your outdoor equipment. With a...$45.28$41.37 -
CUMMINS 4001978 FUEL SHUTOFF VALVE BODY Original OEM part
CUMMINS
$1,204.17$1,100.01Precision engineered for uncompromising fuel control and reliability. Robust design ensuring consistent engine shutdown functionality under all conditions. Maintains system integrity with original...$1,204.17$1,100.01 -
CUMMINS 4001872EJ62 FUEL PUMP WITH CAL CODE Original OEM part
CUMMINS
$14,111.60$12,890.95Cummins 4001872-EJ62 - FUEL PUMP WITH CAL CODE MINS4001872-EJ62 Need a reliable and genuine replacement for your lawn mower's fuel pump Look no further than our store for the 4001872-EJ62 Fuel Pump...$14,111.60$12,890.95 -
CUMMINS 4001872EJ61 FUEL PUMP Original OEM part
CUMMINS
$14,111.60$12,890.95Cummins 4001872-EJ61 - FUEL PUMP MINS4001872-EJ61 When it comes to sourcing authentic replacement parts like the 4001872-EJ61 - FUEL PUMP, there's no better choice than our store. With the SKU...$14,111.60$12,890.95 -
CUMMINS 4001645 AIR INLET TUBE Original OEM part
CUMMINS
$861.20$786.71Engineered for Excellence: Precision-fit air inlet tube designed for seamless integration and maximum airflow efficiency. Durable Performance: Crafted to withstand demanding conditions, supporting...$861.20$786.71 -
CUMMINS 4001529 WIRING BRACE Original OEM part
CUMMINS
$970.86$886.88Engineered for unmatched durability and precise fit within Cummins systems Essential wiring support that safeguards electrical connections against vibration and stress Genuine Cummins OEM component...$970.86$886.88 -
CUMMINS 4001521 HAND HOLE COVER Original OEM part
CUMMINS
$926.40$846.27Cummins 4001521 - HAND HOLE COVER MINS4001521 Upgrade your outdoor equipment with the original Cummins 4001521 - HAND HOLE COVER, SKU MINS4001521. Crafted with precision and durability, this hand...$926.40$846.27 -
CUMMINS 4001518 HAND HOLE COVER Original OEM part
CUMMINS
$926.40$846.27Engineered to preserve the integrity of your Cummins system with precision fit and lasting protection. Robust design offers superior resistance against environmental wear and tear for extended...$926.40$846.27 -
CUMMINS 4001427 OIL TUBE BRACKET Original OEM part
CUMMINS
$1,846.87$1,687.12Cummins 4001427 - OIL TUBE BRACKET MINS4001427 Find the original 4001427 - OIL TUBE BRACKET by Cummins with ease at our store. This durable oil tube bracket, SKU MINS4001427, is a perfect fit for...$1,846.87$1,687.12 -
CUMMINS 4001290 WATER TRANSFER TUBE Original OEM part
CUMMINS
$953.40$870.94Precision-engineered to ensure optimal coolant flow and thermal management Durable construction designed to withstand extreme engine conditions 100% genuine OEM part from Cummins for guaranteed...$953.40$870.94 -
CUMMINS 4001286 WATER TRANSFER TUBE Original OEM part
CUMMINS
$4,514.94$4,124.40Engineered Precision for Enduring Performance Durable, Corrosion-Resistant Construction to maintain optimal coolant flow Exact OEM Specification ensuring flawless compatibility with Cummins...$4,514.94$4,124.40 -
CUMMINS 4001164 TIE ROD Original OEM part
CUMMINS
$490.50$448.08Precision-engineered strength for ultimate reliability Enhances steering system stability and controls wear 100% genuine OEM Cummins component ensuring perfect compatibility CUMMINS 4001164 TIE ROD...$490.50$448.08 -
CUMMINS 4001159 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$125.18$114.35Cummins 4001159 - HEX FLANGE HEAD CAPSCREW - - NO LONGER AVAILABLE MINS4001159 Discover the excellence of the 4001159 - HEX FLANGE HEAD CAPSCREW - - NO LONGER AVAILABLE by Cummins, ensuring...$125.18$114.35 -
CUMMINS 4001131 MALE UNION ELBOW Original OEM part
CUMMINS
$703.40$642.56Engineered for Perfect Fit and Superior Durability Essential Component for Efficient Fluid Flow and System Integrity Precision-Made OEM Replacement Guaranteed by Cummins Ensure Optimal Generator...$703.40$642.56