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 205080 - PRESSURE REGULATOR PLUNGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 205080 PRESSURE REGULATOR PLUNGER Original OEM part

    CUMMINS

    $210.58
    $192.37
    Cummins 205080 - PRESSURE REGULATOR PLUNGER MINS205080 Finding the right replacement parts for your outdoor equipment is crucial to ensure optimal performance and longevity. At our store, we offer...
    $210.58
    $192.37
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $210.58
    $192.37
    Subtotal:
  • CUMMINS 205023 - MAIN BEARING CAP - Original OEM part - Image 1
    Add to Cart

    CUMMINS 205023 MAIN BEARING CAP Original OEM part

    CUMMINS

    $2,078.85
    $1,899.03
    Cummins 205023 MAIN BEARING CAP MINS205023 Find the authentic 205023 MAIN BEARING CAP by Cummins at our store. With topnotch quality and genuine brand assurance, this part ensures optimal performance...
    $2,078.85
    $1,899.03
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,078.85
    $1,899.03
    Subtotal:
  • CUMMINS 204593 - FAN DRIVE SHAFT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 204593 FAN DRIVE SHAFT Original OEM part

    CUMMINS

    $3,833.12
    $3,501.55
    Precision engineered to sustain your Cummins power with unwavering efficiency. Robust construction delivers superior durability under rigorous operating conditions. Designed to maintain optimal fan...
    $3,833.12
    $3,501.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,833.12
    $3,501.55
    Subtotal:
  • CUMMINS 204592 - PILLOW BLOCK BEARING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 204592 PILLOW BLOCK BEARING Original OEM part

    CUMMINS

    $1,217.83
    $1,112.49
    Engineered for enduring performance and seamless integration within your Cummins power system. Precision-machined to reduce friction and extend the lifespan of rotating shafts. Designed to withstand...
    $1,217.83
    $1,112.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,217.83
    $1,112.49
    Subtotal:
  • CUMMINS 204193 - LUB OIL PUMP DRIVE SHAFT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 204193 LUB OIL PUMP DRIVE SHAFT Original OEM part

    CUMMINS

    $1,103.92
    $1,008.43
    Engineered for unmatched powertrain precision and durability. Delivers consistent lubrication pump drive ensuring optimal engine health. Manufactured as a genuine OEM Cummins component guaranteeing...
    $1,103.92
    $1,008.43
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,103.92
    $1,008.43
    Subtotal:
  • CUMMINS 204188 - OIL TRANSFER CONNECTION - Original OEM part - Image 1
    Add to Cart

    CUMMINS 204188 OIL TRANSFER CONNECTION Original OEM part

    CUMMINS

    $976.72
    $892.23
    Precision Engineered for Optimal Oil Flow Durable Materials Ensuring Long-Term Performance Certified Genuine OEM Component from CUMMINS CUMMINS 204188 OIL TRANSFER CONNECTION—Power Your Engine with...
    $976.72
    $892.23
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $976.72
    $892.23
    Subtotal:
  • CUMMINS 204185 - LUBE OIL TRANSFER TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 204185 LUBE OIL TRANSFER TUBE Original OEM part

    CUMMINS

    $199.03
    $181.81
    Cummins 204185 - LUBE OIL TRANSFER TUBE MINS204185 Ensure peak performance of your machinery with the authentic Cummins 204185 - LUBE OIL TRANSFER TUBE (SKU: MINS204185). Precision-engineered to...
    $199.03
    $181.81
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $199.03
    $181.81
    Subtotal:
  • CUMMINS 204152 - BREATHER TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 204152 BREATHER TUBE Original OEM part

    CUMMINS

    $532.44
    $486.38
    Engineered for Precision, Built for Reliability Ensures optimal crankcase ventilation for peak engine health Durable construction designed to resist wear under demanding conditions Certified genuine...
    $532.44
    $486.38
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $532.44
    $486.38
    Subtotal:
  • CUMMINS 204136 - TACHOMETER DRIVE SHAFT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 204136 TACHOMETER DRIVE SHAFT Original OEM part

    CUMMINS

    $478.85
    $437.43
    Engineered for uncompromising precision and robust durability in every turn Delivers accurate tachometer readings essential for optimal engine monitoring Designed and manufactured as a genuine OEM...
    $478.85
    $437.43
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $478.85
    $437.43
    Subtotal:
  • CUMMINS 204134 - TACHOMETER DRIVE GEAR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 204134 TACHOMETER DRIVE GEAR Original OEM part

    CUMMINS

    $425.16
    $388.38
    Precision engineered for reliable tachometer performance Durable construction designed to withstand demanding engine conditions 100% genuine OEM component from Cummins ensuring full compatibility...
    $425.16
    $388.38
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $425.16
    $388.38
    Subtotal:
  • CUMMINS 203516 - FUEL SUPPLY TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 203516 FUEL SUPPLY TUBE Original OEM part

    CUMMINS

    $180.33
    $164.73
    Cummins 203516 - FUEL SUPPLY TUBE MINS203516 Discover the genuine Cummins 203516 - FUEL SUPPLY TUBE at our online store, offering the best quality original replacement parts. Trust in our expertise...
    $180.33
    $164.73
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $180.33
    $164.73
    Subtotal:
  • CUMMINS 203408 - MOUNTING SPACER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 203408 MOUNTING SPACER Original OEM part

    CUMMINS

    $76.69
    $70.06
    Cummins 203408 - MOUNTING SPACER MINS203408 Find peace of mind knowing that you're purchasing the genuine 203408 - MOUNTING SPACER by Cummins from us. Our store stands out as the go-to destination...
    $76.69
    $70.06
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $76.69
    $70.06
    Subtotal:
  • CUMMINS 203357 - GOVERNOR PLUNGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 203357 GOVERNOR PLUNGER Original OEM part

    CUMMINS

    $240.53
    $219.72
    Precision engineering that powers longevity and reliability Critical for maintaining accurate engine speed regulation Designed to withstand demanding operational stresses 100% genuine OEM Cummins...
    $240.53
    $219.72
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $240.53
    $219.72
    Subtotal:
  • CUMMINS 203352 - GOVERNOR PLUNGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 203352 GOVERNOR PLUNGER Original OEM part

    CUMMINS

    $323.83
    $295.82
    Cummins 203352 - GOVERNOR PLUNGER MINS203352 For those seeking precision and reliability in their outdoor equipment maintenance, the MINS203352 Governor Plunger, manufactured by Cummins, stands out...
    $323.83
    $295.82
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $323.83
    $295.82
    Subtotal:
  • CUMMINS 203256 - PLAIN WASHER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 203256 PLAIN WASHER Original OEM part

    CUMMINS

    $11.03
    $10.07
    Engineered to maintain integrity under critical load conditions Precision-crafted for flawless compatibility and long-lasting durability Manufactured by Cummins as a genuine OEM component for...
    $11.03
    $10.07
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11.03
    $10.07
    Subtotal:
  • CUMMINS 203055 - ALTERNATOR BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 203055 ALTERNATOR BRACKET Original OEM part

    CUMMINS

    $716.97
    $654.95
    Precision engineered for seamless power support Robust durability under demanding conditions Guaranteed OEM authenticity from Cummins Essential for maintaining optimal generator function CUMMINS...
    $716.97
    $654.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $716.97
    $654.95
    Subtotal:
  • CUMMINS 202975 - WEAR SLEEVE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202975 WEAR SLEEVE Original OEM part

    CUMMINS

    $78.56
    $71.77
    Cummins 202975 - WEAR SLEEVE MINS202975 When in need of the high-quality 202975 - WEAR SLEEVE, look no further than our store specializing in original replacement parts for outdoor equipment. We...
    $78.56
    $71.77
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $78.56
    $71.77
    Subtotal:
  • CUMMINS 202954 - IDLER PULLEY - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202954 IDLER PULLEY Original OEM part

    CUMMINS

    $771.33
    $704.61
    Precision-engineered for seamless power transmission Durable construction ensures extended service life Maintains belt tension to optimize engine efficiency 100% Genuine Cummins OEM component for...
    $771.33
    $704.61
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $771.33
    $704.61
    Subtotal:
  • CUMMINS 202953 - WATER PUMP SUPPORT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202953 WATER PUMP SUPPORT Original OEM part

    CUMMINS

    $4,661.16
    $4,257.97
    Cummins 202953 - WATER PUMP SUPPORT MINS202953 Discover the genuine Cummins 202953 - WATER PUMP SUPPORT at our store, the ultimate solution for your outdoor equipment needs. With fast shipping and...
    $4,661.16
    $4,257.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,661.16
    $4,257.97
    Subtotal:
  • CUMMINS 202952 - PIPE PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202952 PIPE PLUG Original OEM part

    CUMMINS

    $55.50
    $50.70
    Precision-engineered for uncompromising durability and seamless integration Constructed to withstand extreme pressure and temperature conditions Genuine OEM part ensuring full compatibility and...
    $55.50
    $50.70
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $55.50
    $50.70
    Subtotal:
  • CUMMINS 202949 - IDLER SHAFT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202949 IDLER SHAFT Original OEM part

    CUMMINS

    $209.70
    $191.57
    Precision-engineered for unmatched dependability in every load. Durable construction to ensure seamless engine timing and operation. Corrosion-resistant materials extend service life under demanding...
    $209.70
    $191.57
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $209.70
    $191.57
    Subtotal:
  • CUMMINS 202612 - PRESSURE REGULATOR PLUNGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202612 PRESSURE REGULATOR PLUNGER Original OEM part

    CUMMINS

    $301.13
    $275.08
    Precision engineered to keep your power running smoothly Delivers consistent fuel pressure control for optimal engine efficiency Manufactured by Cummins to meet exacting OEM standards Guaranteed...
    $301.13
    $275.08
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $301.13
    $275.08
    Subtotal:
  • CUMMINS 202554 - PLUNGER,PRESSURE LIMITER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202554 PLUNGER,PRESSURE LIMITER Original OEM part

    CUMMINS

    $341.20
    $311.69
    Engineered for unmatched pressure regulation and system protection Durable design ensures long service life under demanding conditions 100% Genuine OEM component from Cummins for guaranteed...
    $341.20
    $311.69
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $341.20
    $311.69
    Subtotal:
  • CUMMINS 202531 - KEYWAY SEAL - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202531 KEYWAY SEAL Original OEM part

    CUMMINS

    $50.06
    $45.73
    Cummins 202531 - KEYWAY SEAL MINS202531 Find the original "202531 - KEYWAY SEAL" by Cummins at our store. Our commitment to providing genuine replacement parts ensures that you receive top-quality...
    $50.06
    $45.73
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $50.06
    $45.73
    Subtotal:
  • CUMMINS 202523 - WATER TRANSFER TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202523 WATER TRANSFER TUBE Original OEM part

    CUMMINS

    $940.40
    $859.06
    Cummins 202523 - WATER TRANSFER TUBE MINS202523 Offering the genuine 202523 - WATER TRANSFER TUBE by Cummins, our store provides premium original replacement parts for outdoor equipment. With fast...
    $940.40
    $859.06
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $940.40
    $859.06
    Subtotal:
  • CUMMINS 202426 - GOVERNOR SUCTION TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202426 GOVERNOR SUCTION TUBE Original OEM part

    CUMMINS

    $142.36
    $130.05
    Cummins 202426 - GOVERNOR SUCTION TUBE MINS202426 Whether you are a seasoned professional or a DIY enthusiast, finding the perfect replacement part like the Cummins 202426 - GOVERNOR SUCTION TUBE...
    $142.36
    $130.05
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $142.36
    $130.05
    Subtotal:
  • CUMMINS 202092 - TUBE CONNECTOR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202092 TUBE CONNECTOR Original OEM part

    CUMMINS

    $21.48
    $19.62
    Engineered Precision Meets Unmatched Durability High-grade material construction for long-lasting corrosion resistance Flawless fit engineered for seamless integration into your Cummins...
    $21.48
    $19.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $21.48
    $19.62
    Subtotal:
  • CUMMINS 202090 - WATER TRANSFER CONNECTION - Original OEM part - Image 1
    Add to Cart

    CUMMINS 202090 WATER TRANSFER CONNECTION Original OEM part

    CUMMINS

    $590.28
    $539.22
    Engineered precision for uncompromised power system efficiency Critical water transfer connection ensuring optimal thermal management Durability designed to withstand demanding operational...
    $590.28
    $539.22
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $590.28
    $539.22
    Subtotal:
  • CUMMINS 201763 - FUEL SUPPLY TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 201763 FUEL SUPPLY TUBE Original OEM part

    CUMMINS

    $651.57
    $595.21
    Power your engine with unmatched precision and dependability Designed for seamless fuel flow to maximize engine efficiency Constructed to withstand high-pressure conditions for lasting...
    $651.57
    $595.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $651.57
    $595.21
    Subtotal:
  • CUMMINS 201341 - FLANGE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 201341 FLANGE Original OEM part

    CUMMINS

    $272.72
    $249.13
    Precision-crafted durability for peak engine integration Corrosion-resistant design ensuring extended service life Certified genuine OEM part from Cummins guaranteeing complete...
    $272.72
    $249.13
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $272.72
    $249.13
    Subtotal:
  • CUMMINS 201213 - EXHAUST OUTLET ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 201213 EXHAUST OUTLET ADAPTER Original OEM part

    CUMMINS

    $4,754.78
    $4,343.49
    Precision-engineered excellence from Cummins to power your system seamlessly Designed for optimal exhaust flow and system efficiency Built to withstand harsh operational environments and extend...
    $4,754.78
    $4,343.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,754.78
    $4,343.49
    Subtotal:
  • CUMMINS 201166 - WATER PUMP IMPELLER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 201166 WATER PUMP IMPELLER Original OEM part

    CUMMINS

    $1,439.56
    $1,315.04
    Precision-engineered for enduring performance and uncompromising reliability Optimizes coolant flow to maintain ideal engine temperature Constructed with high-quality materials for extended service...
    $1,439.56
    $1,315.04
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,439.56
    $1,315.04
    Subtotal:
  • CUMMINS 201090 - OIL PISTON RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 201090 OIL PISTON RING Original OEM part

    CUMMINS

    $151.46
    $138.36
    Engineered Precision for Ultimate Engine Protection Ensures Optimal Oil Control and Reduced Consumption Durable, High-Quality Material for Long-Lasting Performance 100% Genuine OEM CUMMINS Part for...
    $151.46
    $138.36
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $151.46
    $138.36
    Subtotal:
  • CUMMINS 200821 - KEYWAY SEAL - Original OEM part - Image 1
    Add to Cart

    CUMMINS 200821 KEYWAY SEAL Original OEM part

    CUMMINS

    $87.44
    $79.88
    Trust in Precision Engineering: Designed to deliver flawless sealing under demanding conditions. Durability That Extends Equipment Life: Crafted to resist wear and maintain performance in harsh...
    $87.44
    $79.88
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $87.44
    $79.88
    Subtotal:
  • CUMMINS 200808 - ACCESSORY DRIVE SUPPORT GASKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 200808 ACCESSORY DRIVE SUPPORT GASKET Original OEM part

    CUMMINS

    $29.98
    $27.39
    Engineered for Precision and Longevity: Experience seamless integration and leak-free support for your accessory drive system. Durability Under Demanding Conditions: Built to withstand thermal and...
    $29.98
    $27.39
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.98
    $27.39
    Subtotal:
  • CUMMINS 200751 - LUBE OIL COOLER COVER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 200751 LUBE OIL COOLER COVER Original OEM part

    CUMMINS

    $7,979.20
    $7,289.00
    Precision-engineered protection for your engine’s cooling system Durable construction ensuring long-lasting performance under demanding conditions 100% Genuine OEM from Cummins for total...
    $7,979.20
    $7,289.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,979.20
    $7,289.00
    Subtotal:
  • CUMMINS 200748 - THERMOSTAT HOUSING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 200748 THERMOSTAT HOUSING Original OEM part

    CUMMINS

    $2,898.40
    $2,647.69
    Engineered precision for seamless cooling system integration Durable construction designed to withstand demanding operating conditions 100% OEM authenticity providing perfect fit and long-term...
    $2,898.40
    $2,647.69
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,898.40
    $2,647.69
    Subtotal:
  • CUMMINS 200656 - TORQUE CONVERTER OIL COOLER SUPPORT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 200656 TORQUE CONVERTER OIL COOLER SUPPORT Original OEM part

    CUMMINS

    $139.23
    $127.18
    Cummins 200656 - TORQUE CONVERTER OIL COOLER SUPPORT MINS200656 Find the authentic Cummins 200656 - TORQUE CONVERTER OIL COOLER SUPPORT at our store. Crafted to precise specifications, this part...
    $139.23
    $127.18
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $139.23
    $127.18
    Subtotal:
  • CUMMINS 200603 - .030 CONNECTING ROD BEARING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 200603 .030 CONNECTING ROD BEARING Original OEM part

    CUMMINS

    $164.03
    $149.84
    Precision engineered for uncompromising reliability. Optimizes engine function under demanding conditions. Official OEM part ensuring seamless compatibility. Empower your engine with the steadfast...
    $164.03
    $149.84
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $164.03
    $149.84
    Subtotal:
  • CUMMINS 200593 - .030 MAIN BEARING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 200593 .030 MAIN BEARING Original OEM part

    CUMMINS

    $404.90
    $369.88
    Precision-engineered durability for unrivaled engine stability Superior wear resistance ensures extended service life under demanding conditions Manufactured as an original OEM component by Cummins...
    $404.90
    $369.88
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $404.90
    $369.88
    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.