OLD PARTS

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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • CUMMINS 4100307 - FUEL SUPPLY TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4100307 FUEL SUPPLY TUBE Original OEM part

    CUMMINS

    $327.56
    $299.23
    Precision engineered for uncompromised fuel delivery Robust construction designed to withstand extreme operating conditions Manufactured as an OEM part by Cummins, guaranteeing compatibility and...
    $327.56
    $299.23
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $327.56
    $299.23
    Subtotal:
  • CUMMINS 4100306 - FUEL SUPPLY TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4100306 FUEL SUPPLY TUBE Original OEM part

    CUMMINS

    $299.93
    $273.98
    Engineered to deliver precise fuel flow under demanding conditions Constructed from high-grade materials for long-lasting durability Certified genuine OEM Cummins component for guaranteed...
    $299.93
    $273.98
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $299.93
    $273.98
    Subtotal:
  • CUMMINS 4100305 - FUEL SUPPLY TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4100305 FUEL SUPPLY TUBE Original OEM part

    CUMMINS

    $315.94
    $288.61
    Cummins 4100305 - FUEL SUPPLY TUBE MINS4100305 Experience the unparalleled quality of the 4100305 - FUEL SUPPLY TUBE from Cummins, available with us under SKU MINS4100305. Our store stands out as...
    $315.94
    $288.61
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $315.94
    $288.61
    Subtotal:
  • CUMMINS 4100302 - FUEL CONTROL VALVE BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4100302 FUEL CONTROL VALVE BRACKET Original OEM part

    CUMMINS

    $510.18
    $466.05
    Precision-crafted for seamless integration and enduring power delivery. Robust construction secures the fuel control valve for optimal engine responsiveness. Engineered to withstand demanding...
    $510.18
    $466.05
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $510.18
    $466.05
    Subtotal:
  • CUMMINS 4100294 - TUBE NUT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4100294 TUBE NUT Original OEM part

    CUMMINS

    $75.46
    $68.93
    Precision engineered for dependable sealing and long-lasting strength. Essential component designed to withstand demanding engine environments. Manufactured as an authentic OEM Cummins part to...
    $75.46
    $68.93
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $75.46
    $68.93
    Subtotal:
  • CUMMINS 4100293 - LEAD SPARK PLUG - Original OEM part Image 1
    Add to Cart

    CUMMINS 4100293 SPARK PLUG LEAD Original OEM part

    CUMMINS

    $157.09
    $143.51
    Cummins 4100293 - SPARK PLUG LEAD MINS4100293 The Cummins 4100293 - SPARK PLUG LEAD guarantees peak performance for your outdoor equipment. When it comes to original replacement parts, our store...
    $157.09
    $143.51
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $157.09
    $143.51
    Subtotal:
  • CUMMINS 4100133 - AIR INLET TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4100133 AIR INLET TUBE Original OEM part

    CUMMINS

    $149.48
    $136.55
    Cummins 4100133 - AIR INLET TUBE MINS4100133 Find the perfect replacement part for your outdoor equipment with the Cummins 4100133 - AIR INLET TUBE, SKU MINS4100133. Our store ensures that you...
    $149.48
    $136.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $149.48
    $136.55
    Subtotal:
  • CUMMINS 4100004 - AIR CLEANER BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4100004 AIR CLEANER BRACKET Original OEM part

    CUMMINS

    $236.03
    $215.61
    Built to endure, designed to perform with unwavering precision. Robust construction ensures secure mounting of your air cleaner system. Precision-engineered for seamless integration with Cummins...
    $236.03
    $215.61
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $236.03
    $215.61
    Subtotal:
  • CUMMINS 4099788 - HOOD ENGINE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099788 HOOD ENGINE Original OEM part

    CUMMINS

    $481.50
    $439.86
    Engineered for Excellence: Trust the durability and precision of genuine Cummins craftsmanship to safeguard your engine. Robust Protection: Designed to shield critical engine components from harsh...
    $481.50
    $439.86
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $481.50
    $439.86
    Subtotal:
  • CUMMINS 4099748 - HOOD ENGINE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099748 HOOD ENGINE Original OEM part

    CUMMINS

    $626.18
    $572.02
    Precision-engineered protection for peak engine performance Durable, corrosion-resistant construction for lasting reliability 100% authentic OEM Cummins part ensuring full compatibility and warranty...
    $626.18
    $572.02
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $626.18
    $572.02
    Subtotal:
  • CUMMINS 4099527 - RELAY BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099527 RELAY BRACKET Original OEM part

    CUMMINS

    $107.90
    $98.57
    Cummins 4099527 - RELAY BRACKET MINS4099527 With product SKU MINS4099527, the Cummins 4099527 - RELAY BRACKET ensures optimal performance for your outdoor equipment. Our store offers this original...
    $107.90
    $98.57
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $107.90
    $98.57
    Subtotal:
  • CUMMINS 4099526 - RELAY BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099526 RELAY BRACKET Original OEM part

    CUMMINS

    $263.83
    $241.01
    Precision engineered for uncompromising durability in your Cummins system. Rigid construction ensuring stable relay mounting for reliable electrical connections. Corrosion-resistant finish to...
    $263.83
    $241.01
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $263.83
    $241.01
    Subtotal:
  • CUMMINS 4099517 - CONTROL ROD - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099517 CONTROL ROD Original OEM part

    CUMMINS

    $706.34
    $645.24
    Engineered for flawless harmony and peak power delivery Precision-crafted control rod delivering consistent, responsive engine adjustments Constructed with high-grade materials to ensure...
    $706.34
    $645.24
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $706.34
    $645.24
    Subtotal:
  • CUMMINS 4099268 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099268 WIRING HARNESS Original OEM part

    CUMMINS

    $12,377.43
    $11,306.78
    Precision-engineered wiring harness crafted for flawless system connectivity. Durable construction designed to withstand harsh operating environments and ensure lasting reliability. 100% genuine OEM...
    $12,377.43
    $11,306.78
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12,377.43
    $11,306.78
    Subtotal:
  • CUMMINS 4099255 - WATER TUBE BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099255 WATER TUBE BRACKET Original OEM part

    CUMMINS

    $336.84
    $307.70
    Precision engineered for unmatched durability and seamless integration Robust support for optimal coolant flow and thermal management Direct OEM part from Cummins, ensuring exact fit and peak...
    $336.84
    $307.70
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $336.84
    $307.70
    Subtotal:
  • CUMMINS 4099228 - LUBRICATING OIL PUMP GEAR AND SHAFT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099228 LUBRICATING OIL PUMP GEAR AND SHAFT Original OEM part

    CUMMINS

    $2,988.54
    $2,730.03
    Precision engineering that sustains engine vitality Robust design for superior lubrication efficiency Certified OEM quality directly from Cummins CUMMINS 4099228 LUBRICATING OIL PUMP GEAR AND SHAFT...
    $2,988.54
    $2,730.03
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,988.54
    $2,730.03
    Subtotal:
  • CUMMINS 4099225 - LUBRICATING OIL PUMP GEAR AND SHAFT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099225 LUBRICATING OIL PUMP GEAR AND SHAFT Original OEM part

    CUMMINS

    $3,499.40
    $3,196.71
    Engineered to preserve power and precision in every turn Delivering superior durability under the harshest operating conditions Optimized for seamless integration with your Cummins engine...
    $3,499.40
    $3,196.71
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,499.40
    $3,196.71
    Subtotal:
  • CUMMINS 4099222 - MALE CONNECTOR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099222 MALE CONNECTOR Original OEM part

    CUMMINS

    $84.47
    $77.17
    Cummins 4099222 - MALE CONNECTOR MINS4099222 For those in need of a reliable replacement part, the 4099222 - MALE CONNECTOR by Cummins is a top-quality option. At our store, rest assured that you...
    $84.47
    $77.17
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $84.47
    $77.17
    Subtotal:
  • CUMMINS 4099180 - TERMINAL BLOCK - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099180 TERMINAL BLOCK Original OEM part

    CUMMINS

    $4,239.68
    $3,872.95
    Engineered for seamless power connectivity and durability Ensures stable electrical transmission in demanding environments Direct OEM component from Cummins for guaranteed compatibility Built to...
    $4,239.68
    $3,872.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,239.68
    $3,872.95
    Subtotal:
  • CUMMINS 4099168 - CHECK VALVE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4099168 CHECK VALVE Original OEM part

    CUMMINS

    $1,273.79
    $1,163.61
    Cummins 4099168 - CHECK VALVE MINS4099168 Find genuine replacement part 4099168 - CHECK VALVE from Cummins at our online store. Our products are authentic and reliable, ensuring optimal performance...
    $1,273.79
    $1,163.61
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,273.79
    $1,163.61
    Subtotal:
  • CUMMINS 4098819 - ORIFICE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098819 ORIFICE Original OEM part

    CUMMINS

    $303.25
    $277.02
    Experience unmatched reliability with Cummins-engineered precision Essential orifice design optimized for efficient fuel and airflow regulation Enhances engine performance and supports emissions...
    $303.25
    $277.02
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $303.25
    $277.02
    Subtotal:
  • CUMMINS 4098663 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098663 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $660.24
    $603.13
    Engineered Precision for Superior Connectivity Robust construction ensures lasting electrical performance under demanding conditions Designed exclusively as an OEM Cummins component for full...
    $660.24
    $603.13
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $660.24
    $603.13
    Subtotal:
  • CUMMINS 4098611 - PUMP BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098611 PUMP BRACKET Original OEM part

    CUMMINS

    $1,256.22
    $1,147.55
    Engineered to endure with precision – crafted for ultimate pump support and stability. Designed to optimize vibration control and extend equipment lifespan. 100% Original Cummins OEM part,...
    $1,256.22
    $1,147.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,256.22
    $1,147.55
    Subtotal:
  • CUMMINS 4098610 - PUMP BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098610 PUMP BRACKET Original OEM part

    CUMMINS

    $1,617.20
    $1,477.32
    Engineered Precision, Enduring Strength Robust construction ensures stable mounting and consistent pump alignment for peak engine performance. Durable materials resist wear and corrosion, extending...
    $1,617.20
    $1,477.32
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,617.20
    $1,477.32
    Subtotal:
  • CUMMINS 4098474 - CAM FOLLOWER SHAFT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098474 CAM FOLLOWER SHAFT Original OEM part

    CUMMINS

    $616.35
    $563.04
    Engineered for Excellence: Experience unmatched reliability and precision with every installation. Robust Durability: Crafted to withstand rigorous demands ensuring long-term engine health. Perfect...
    $616.35
    $563.04
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $616.35
    $563.04
    Subtotal:
  • CUMMINS 4098458 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098458 WIRING HARNESS Original OEM part

    CUMMINS

    $1,197.25
    $1,093.69
    Precision engineered for seamless Cummins system integration Durable wiring harness for enhanced electrical reliability OEM-certified to preserve original equipment performance Genuine Cummins...
    $1,197.25
    $1,093.69
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,197.25
    $1,093.69
    Subtotal:
  • CUMMINS 4098455 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098455 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $1,251.79
    $1,143.51
    Precision engineered to empower your power system’s heart. Robust external control module wiring harness crafted for optimal signal integrity and durability. Designed to withstand harsh environments...
    $1,251.79
    $1,143.51
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,251.79
    $1,143.51
    Subtotal:
  • CUMMINS 4098454 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098454 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $829.17
    $757.45
    Precision engineered for seamless integration with Cummins control systems Ensures dependable signal communication for enhanced engine management Designed to withstand harsh environments, promoting...
    $829.17
    $757.45
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $829.17
    $757.45
    Subtotal:
  • CUMMINS 4098389 - AIR INLET TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098389 AIR INLET TUBE Original OEM part

    CUMMINS

    $2,899.77
    $2,648.94
    Precision-engineered airflow control for superior engine performance Durable construction designed to withstand demanding operating conditions 100% genuine Cummins OEM part for guaranteed...
    $2,899.77
    $2,648.94
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,899.77
    $2,648.94
    Subtotal:
  • CUMMINS 4098356 - WATER TRANSFER TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098356 WATER TRANSFER TUBE Original OEM part

    CUMMINS

    $247.34
    $225.94
    Precision engineered for enduring performance in every drop. Durable construction optimized for efficient coolant flow. Designed to maintain engine temperature stability under demanding conditions...
    $247.34
    $225.94
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $247.34
    $225.94
    Subtotal:
  • CUMMINS 4098349 - PUMP BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098349 PUMP BRACKET Original OEM part

    CUMMINS

    $4,338.50
    $3,963.22
    Cummins 4098349 - PUMP BRACKET MINS4098349 When it comes to finding authentic replacement parts like the 4098349 - PUMP BRACKET by Cummins, our online store stands out as the go-to choice. We ensure...
    $4,338.50
    $3,963.22
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,338.50
    $3,963.22
    Subtotal:
  • CUMMINS 4098336 - WATER INLET CONNECTION - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098336 WATER INLET CONNECTION Original OEM part

    CUMMINS

    $2,782.38
    $2,541.71
    Cummins 4098336 - WATER INLET CONNECTION MINS4098336 Find your genuine Cummins 4098336 - WATER INLET CONNECTION at our store. Designed for durability and precision, this part guarantees optimal...
    $2,782.38
    $2,541.71
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,782.38
    $2,541.71
    Subtotal:
  • CUMMINS 4098277 - EXHAUST MANIFOLD - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098277 EXHAUST MANIFOLD Original OEM part

    CUMMINS

    $1,463.86
    $1,337.24
    Engineered for Precision: Optimize exhaust flow and engine efficiency with a part built to exact Cummins standards. Robust Durability: Crafted from premium materials to withstand intense operating...
    $1,463.86
    $1,337.24
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,463.86
    $1,337.24
    Subtotal:
  • CUMMINS 4098275 - EXHAUST MANIFOLD - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098275 EXHAUST MANIFOLD Original OEM part

    CUMMINS

    $1,470.52
    $1,343.32
    Engineered for precision, built to last — the heartbeat of your Cummins engine’s performance. High-grade cast iron construction ensures superior heat resistance and durability under intense...
    $1,470.52
    $1,343.32
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,470.52
    $1,343.32
    Subtotal:
  • CUMMINS 4098263 - PROTECTIVE COVER BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098263 PROTECTIVE COVER BRACKET Original OEM part

    CUMMINS

    $1,001.52
    $914.89
    Precision engineered protection for your Cummins power system Durable construction designed to shield vital components from environmental and mechanical damage Exact OEM specification guarantees...
    $1,001.52
    $914.89
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,001.52
    $914.89
    Subtotal:
  • CUMMINS 4098259 - WATER TRANSFER TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098259 WATER TRANSFER TUBE Original OEM part

    CUMMINS

    $2,874.82
    $2,626.14
    Precision engineered for optimal power system reliability Enhances cooling flow to safeguard engine longevity Constructed with premium materials for durable operation 100% OEM Cummins certified to...
    $2,874.82
    $2,626.14
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,874.82
    $2,626.14
    Subtotal:
  • CUMMINS 4098219 - PAN HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098219 PAN HEAD CAPSCREW Original OEM part

    CUMMINS

    $6.20
    $5.67
    Cummins 4098219 - PAN HEAD CAPSCREW - - NO LONGER AVAILABLE MINS4098219 Discover the genuine Cummins 4098219 - PAN HEAD CAPSCREW - - NO LONGER AVAILABLE at our store, where quality meets reliability...
    $6.20
    $5.67
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6.20
    $5.67
    Subtotal:
  • CUMMINS 4098197 - HEAT EXCHANGER BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4098197 HEAT EXCHANGER BRACKET Original OEM part

    CUMMINS

    $1,291.73
    $1,179.99
    Engineered Precision Meets Enduring Strength Robust construction ensures stable heat exchanger mounting under demanding operating conditions Designed specifically for seamless integration with...
    $1,291.73
    $1,179.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,291.73
    $1,179.99
    Subtotal:
  • CUMMINS 4097887 - WATER TRANSFER TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4097887 WATER TRANSFER TUBE Original OEM part

    CUMMINS

    $1,777.40
    $1,623.66
    Precision engineered for seamless integration and peak system reliability Durable construction ensuring optimal coolant flow and engine protection 100% genuine OEM Cummins component guaranteeing...
    $1,777.40
    $1,623.66
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,777.40
    $1,623.66
    Subtotal:
  • CUMMINS 4097821 - FERRULE SEAL - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4097821 FERRULE SEAL Original OEM part

    CUMMINS

    $82.53
    $75.39
    Cummins 4097821 - FERRULE SEAL MINS4097821 Upgrade your outdoor equipment with the authentic 4097821 - FERRULE SEAL from Cummins. Engineered to precision, this genuine part ensures top-notch...
    $82.53
    $75.39
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $82.53
    $75.39
    Subtotal:
  • Total: items /

Adding your products to cart

Other Fuel System Parts

We'll take care of you

Availability

Buy Products In Stock with Fast Shipping.

Best Deal

Shop at unbeatable prices and find discounts and offers.

Customer Service

Call, email or chat with an Expert.

Security

100% Secure Checkout with several certificated payment methods.