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.

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  • CUMMINS 146299 - MALE CONNECTOR - Original OEM part - Image 1
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    CUMMINS 146299 MALE CONNECTOR Original OEM part

    CUMMINS

    $88.48
    $80.83
    Precision engineered for excellence, delivering unmatched connectivity. Durable construction designed to withstand demanding environments. Reliable conductivity ensuring stable power transmission...
    $88.48
    $80.83
    Add to Cart
    Qty in Cart: 0
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    $88.48
    $80.83
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  • CUMMINS 145976 - THERMOSTAT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 145976 THERMOSTAT Original OEM part

    CUMMINS

    $1,115.35
    $1,018.87
    Engineered Reliability: Precision-crafted to regulate optimal engine temperatures and prevent overheating. Durable Performance: Built to withstand demanding operating conditions for extended service...
    $1,115.35
    $1,018.87
    Add to Cart
    Qty in Cart: 0
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    Price:
    $1,115.35
    $1,018.87
    Subtotal:
  • CUMMINS 145957 - IDLE SPRING PLUNGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 145957 IDLE SPRING PLUNGER Original OEM part

    CUMMINS

    $60.70
    $55.45
    Cummins 145957 - IDLE SPRING PLUNGER MINS145957 Find the authentic Cummins 145957 - IDLE SPRING PLUNGER, SKU MINS145957, at our store. We pride ourselves on offering genuine replacement parts like...
    $60.70
    $55.45
    Add to Cart
    Qty in Cart: 0
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    Price:
    $60.70
    $55.45
    Subtotal:
  • CUMMINS 145544 - ORING SEAL - Original OEM part - Image 1
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    CUMMINS 145544 ORING SEAL Original OEM part

    CUMMINS

    $18.34
    $16.75
    Cummins 145544 - O-RING SEAL MINS145544 Discover the 145544 - O-RING SEAL by Cummins, designed for top-notch performance and reliability. Our store proudly offers this original part, ensuring...
    $18.34
    $16.75
    Add to Cart
    Qty in Cart: 0
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    Price:
    $18.34
    $16.75
    Subtotal:
  • CUMMINS 145534 - ORING SEAL - Original OEM part - Image 1
    Add to Cart

    CUMMINS 145534 ORING SEAL Original OEM part

    CUMMINS

    $14.56
    $13.30
    Engineered for seamless sealing precision to protect your Cummins system’s integrity Durable design ensures extended service life under demanding conditions Authentic OEM Cummins component...
    $14.56
    $13.30
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.56
    $13.30
    Subtotal:
  • CUMMINS 145510 - ORING SEAL - Original OEM part - Image 1
    Add to Cart

    CUMMINS 145510 ORING SEAL Original OEM part

    CUMMINS

    $11.46
    $10.47
    Precision engineered sealing for uncompromised engine integrity Durable material designed to withstand extreme operating conditions 100% OEM Cummins brand ensures seamless compatibility and peak...
    $11.46
    $10.47
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11.46
    $10.47
    Subtotal:
  • CUMMINS 144530 - THROTTLE SHAFT - Original OEM part - Image 1
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    CUMMINS 144530 THROTTLE SHAFT Original OEM part

    CUMMINS

    $217.93
    $199.08
    Cummins 144530 - THROTTLE SHAFT MINS144530 Find your Cummins 144530 - THROTTLE SHAFT hassle-free at our store. As the go-to destination for authentic replacement parts, we offer this product as SKU...
    $217.93
    $199.08
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $217.93
    $199.08
    Subtotal:
  • CUMMINS 144490 - GOVERNOR SPRING - Original OEM part - Image 1
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    CUMMINS 144490 GOVERNOR SPRING Original OEM part

    CUMMINS

    $82.65
    $75.50
    Precision that powers your Cummins engine forward Reliable tensioning to maintain steady engine speed Durable design engineered for long-lasting service Genuine OEM Cummins part crafted for exact...
    $82.65
    $75.50
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $82.65
    $75.50
    Subtotal:
  • CUMMINS 144347 - WATER INLET CONNECTION - Original OEM part - Image 1
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    CUMMINS 144347 WATER INLET CONNECTION Original OEM part

    CUMMINS

    $977.68
    $893.11
    Cummins 144347 - WATER INLET CONNECTION MINS144347 Discover the authentic 144347 - WATER INLET CONNECTION from Cummins at our store. With a reputation for reliability, Cummins brings you this water...
    $977.68
    $893.11
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $977.68
    $893.11
    Subtotal:
  • CUMMINS 143694 - LUBRICATING OIL PUMP GASKET - Original OEM part - Image 1
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    CUMMINS 143694 LUBRICATING OIL PUMP GASKET Original OEM part

    CUMMINS

    $7.24
    $6.61
    Engineered precision sealing for optimal lubrication system integrity Durability that withstands harsh operating conditions and high temperatures 100% OEM-crafted by Cummins to guarantee...
    $7.24
    $6.61
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7.24
    $6.61
    Subtotal:
  • CUMMINS 143406 - IDLER SHAFT - Original OEM part - Image 1
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    CUMMINS 143406 IDLER SHAFT Original OEM part

    CUMMINS

    $388.06
    $354.49
    Precision engineered for uncompromising reliability in your Cummins system Robust construction designed to withstand rigorous operating conditions Ensures smooth tensioning to optimize belt lifespan...
    $388.06
    $354.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $388.06
    $354.49
    Subtotal:
  • CUMMINS 143249 - GOVERNOR SPRING - Original OEM part - Image 1
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    CUMMINS 143249 GOVERNOR SPRING Original OEM part

    CUMMINS

    $69.27
    $63.28
    Engine control perfected with precision-engineered reliability Maintains optimal fuel regulation for extended engine life Crafted as an authentic OEM part by Cummins for seamless...
    $69.27
    $63.28
    Add to Cart
    Qty in Cart: 0
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    Price:
    $69.27
    $63.28
    Subtotal:
  • CUMMINS 142863 - FUEL PUMP TORQUE SPRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 142863 FUEL PUMP TORQUE SPRING Original OEM part

    CUMMINS

    $65.66
    $59.98
    Precision engineered to maintain Cummins reliability under demanding conditions Ensures consistent fuel pump torque for optimal engine efficiency Durable design minimizes wear and extends service...
    $65.66
    $59.98
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $65.66
    $59.98
    Subtotal:
  • CUMMINS 142857 - COMPRESSION SPRING - Original OEM part - Image 1
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    CUMMINS 142857 COMPRESSION SPRING Original OEM part

    CUMMINS

    $43.05
    $39.33
    Precision engineered for enduring strength and seamless operation. Durable compression spring designed to maintain engine integrity under demanding conditions. Essential component to ensure optimal...
    $43.05
    $39.33
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $43.05
    $39.33
    Subtotal:
  • CUMMINS 142853 - FUEL PUMP TORQUE SPRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 142853 FUEL PUMP TORQUE SPRING Original OEM part

    CUMMINS

    $60.35
    $55.13
    Engineered precision meeting uncompromising standards Durable fuel pump torque spring ensuring consistent engine responsiveness Designed to maintain fuel system integrity under demanding...
    $60.35
    $55.13
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $60.35
    $55.13
    Subtotal:
  • CUMMINS 142846 - FUEL PUMP TORQUE SPRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 142846 FUEL PUMP TORQUE SPRING Original OEM part

    CUMMINS

    $61.80
    $56.46
    Cummins 142846 - FUEL PUMP TORQUE SPRING MINS142846 Discover the top-notch 142846 - FUEL PUMP TORQUE SPRING by Cummins, only at our store. We offer this original replacement part at the best price,...
    $61.80
    $56.46
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $61.80
    $56.46
    Subtotal:
  • CUMMINS 142844 - FUEL PUMP TORQUE SPRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 142844 FUEL PUMP TORQUE SPRING Original OEM part

    CUMMINS

    $41.92
    $38.29
    Cummins 142844 - FUEL PUMP TORQUE SPRING MINS142844 Find the authentic 142844 - FUEL PUMP TORQUE SPRING from Cummins at our store. With top-notch quality and precision engineering, this replacement...
    $41.92
    $38.29
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $41.92
    $38.29
    Subtotal:
  • CUMMINS 142707 - FUEL PUMP TORQUE SPRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 142707 FUEL PUMP TORQUE SPRING Original OEM part

    CUMMINS

    $76.73
    $70.09
    Cummins 142707 - FUEL PUMP TORQUE SPRING MINS142707 Find top-tier quality with the 142707 - FUEL PUMP TORQUE SPRING by Cummins. Our store is your ultimate destination for authentic replacement parts...
    $76.73
    $70.09
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $76.73
    $70.09
    Subtotal:
  • CUMMINS 142698 - SPRING FUEL PUMP TORQUE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 142698 SPRING FUEL PUMP TORQUE Original OEM part

    CUMMINS

    $87.54
    $79.97
    Cummins 142698 - SPRING FUEL PUMP TORQUE - NO LONGER AVAILABLE MINS142698 Discover the elusive and crucial "142698 - SPRING FUEL PUMP TORQUE - NO LONGER AVAILABLE" from Cummins at our online store...
    $87.54
    $79.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $87.54
    $79.97
    Subtotal:
  • CUMMINS 142422 - FLOAT TANK BRACKET - Original OEM part - Image 1
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    CUMMINS 142422 FLOAT TANK BRACKET Original OEM part

    CUMMINS

    $383.80
    $350.61
    Engineered Excellence for Unmatched Reliability Securely supports your float tank for optimal component alignment Durable construction designed to withstand rigorous operating conditions Certified...
    $383.80
    $350.61
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $383.80
    $350.61
    Subtotal:
  • CUMMINS 141617 - FRONT COVER GASKET - Original OEM part - Image 1
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    CUMMINS 141617 FRONT COVER GASKET Original OEM part

    CUMMINS

    $27.50
    $25.13
    Engineered for seamless durability and precision sealing. Designed to prevent leaks and maintain optimum engine pressure. Crafted from high-quality materials for extended service life. 100% OEM...
    $27.50
    $25.13
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $27.50
    $25.13
    Subtotal:
  • CUMMINS 140939 - HEAT EXCHANGER SUPPORT - Original OEM part - Image 1
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    CUMMINS 140939 HEAT EXCHANGER SUPPORT Original OEM part

    CUMMINS

    $2,120.28
    $1,936.88
    Cummins 140939 - HEAT EXCHANGER SUPPORT MINS140939 Discover the authentic 140939 - HEAT EXCHANGER SUPPORT by Cummins at our store. We pride ourselves on offering genuine replacement parts for...
    $2,120.28
    $1,936.88
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,120.28
    $1,936.88
    Subtotal:
  • CUMMINS 140927 - IDLE SPRING PLUNGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 140927 IDLE SPRING PLUNGER Original OEM part

    CUMMINS

    $84.30
    $77.01
    Cummins 140927 - IDLE SPRING PLUNGER MINS140927 Find authenticity, performance, and precision in the Cummins 140927 - IDLE SPRING PLUNGER, SKU MINS140927. Our store offers original parts that...
    $84.30
    $77.01
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $84.30
    $77.01
    Subtotal:
  • CUMMINS 140618 - PACK SPRING HOUSING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 140618 PACK SPRING HOUSING Original OEM part

    CUMMINS

    $364.93
    $333.36
    Built to Power Your Engine's Precision Durable design ensures steady spring compression for optimal engine operation Manufactured exclusively as an OEM Cummins component for unmatched...
    $364.93
    $333.36
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $364.93
    $333.36
    Subtotal:
  • CUMMINS 140558 - ACCESSORY DRIVE SHAFT - Original OEM part - Image 1
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    CUMMINS 140558 ACCESSORY DRIVE SHAFT Original OEM part

    CUMMINS

    $2,309.24
    $2,109.49
    Precision engineered strength for unwavering performance Durable construction designed to withstand heavy-duty operation 100% OEM Cummins component ensuring perfect fit and maximum...
    $2,309.24
    $2,109.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,309.24
    $2,109.49
    Subtotal:
  • ONAN 140-4287 - 1404287 SERVICE INDICATOR Original ONAN/CUMMINS OEM part - Original OEM part - Image 1
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    ONAN 1404287 SERVICE INDICATOR Original ONAN/CUMMINS OEM part

    ONAN

    $51.43
    $46.98
    Cummins SERVICE INDICATOR 140-4287 Ensure the optimal performance of your Cummins equipment with the genuine 140-4287 SERVICE INDICATOR. Our store proudly stocks authentic Cummins parts to guarantee...
    $51.43
    $46.98
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $51.43
    $46.98
    Subtotal:
  • CUMMINS 140100 - MAIN STANDARD BEARING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 140100 MAIN STANDARD BEARING Original OEM part

    CUMMINS

    $52.72
    $48.16
    Cummins 140100 - MAIN STANDARD BEARING MINS140100 Explore our store for the authentic 140100 - MAIN STANDARD BEARING (SKU: MINS140100) by Cummins. This precision-engineered bearing guarantees...
    $52.72
    $48.16
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $52.72
    $48.16
    Subtotal:
  • CUMMINS 139761 - PIPE PLUG - Original OEM part - Image 1
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    CUMMINS 139761 PIPE PLUG Original OEM part

    CUMMINS

    $10.12
    $9.24
    Precision engineered for unwavering engine protection and reliability Robust sealing capability to prevent leaks under demanding conditions Manufactured to strict OEM standards ensuring perfect fit...
    $10.12
    $9.24
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10.12
    $9.24
    Subtotal:
  • CUMMINS 139266 - EXHAUST OUTLET CONNECTION GASKET - Original OEM part - Image 1
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    CUMMINS 139266 EXHAUST OUTLET CONNECTION GASKET Original OEM part

    CUMMINS

    $40.87
    $37.34
    Cummins 139266 - EXHAUST OUTLET CONNECTION GASKET MINS139266 Find the top-tier solution for your 139266 - EXHAUST OUTLET CONNECTION GASKET needs with the genuine Cummins brand at our online store...
    $40.87
    $37.34
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $40.87
    $37.34
    Subtotal:
  • CUMMINS 138998 - FUEL PUMP TORQUE SPRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 138998 FUEL PUMP TORQUE SPRING Original OEM part

    CUMMINS

    $56.35
    $51.48
    Engineered for precision and durability, enhancing fuel pump efficiency Critical tension support for consistent fuel injection performance under demanding conditions 100% genuine OEM CUMMINS...
    $56.35
    $51.48
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $56.35
    $51.48
    Subtotal:
  • CUMMINS 138862 - IDLE SPRING PLUNGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 138862 IDLE SPRING PLUNGER Original OEM part

    CUMMINS

    $55.72
    $50.90
    Engineered to keep your Cummins power system running seamlessly. Precision idle control for improved engine responsiveness. Manufactured to OEM specifications for guaranteed compatibility and...
    $55.72
    $50.90
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $55.72
    $50.90
    Subtotal:
  • CUMMINS 138810 - COMPRESSION SPRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 138810 COMPRESSION SPRING Original OEM part

    CUMMINS

    $104.79
    $95.73
    Engineered for precision and endurance, your Cummins system deserves the best. Durable compression spring designed to maintain optimal valve operation under demanding conditions. Enhances engine...
    $104.79
    $95.73
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $104.79
    $95.73
    Subtotal:
  • CUMMINS 138797 - FUEL PUMP TORQUE SPRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 138797 FUEL PUMP TORQUE SPRING Original OEM part

    CUMMINS

    $72.56
    $66.28
    Engineered precision for uncompromised torque control Reliable tension support for optimal fuel pump performance Genuine OEM Cummins part for assured compatibility and longevity CUMMINS 138797 FUEL...
    $72.56
    $66.28
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $72.56
    $66.28
    Subtotal:
  • CUMMINS 138796 - SPRING FUEL PUMP TORQUE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 138796 SPRING FUEL PUMP TORQUE Original OEM part

    CUMMINS

    $97.82
    $89.36
    Cummins 138796 - SPRING FUEL PUMP TORQUE - NO LONGER AVAILABLE MINS138796 Dive deep into the world of outdoor equipment and lawn mower maintenance with the Cummins 138796 - SPRING FUEL PUMP TORQUE -...
    $97.82
    $89.36
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $97.82
    $89.36
    Subtotal:
  • CUMMINS 137703 - SQUEEZE TYPE CONNECTOR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 137703 SQUEEZE TYPE CONNECTOR Original OEM part

    CUMMINS

    $45.14
    $41.23
    Precision-engineered connection for optimal power delivery Durable construction to withstand demanding environments Certified OEM part built by Cummins for guaranteed fit and function CUMMINS...
    $45.14
    $41.23
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $45.14
    $41.23
    Subtotal:
  • CUMMINS 136995 - GEAR COVER PLATE GASKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 136995 GEAR COVER PLATE GASKET Original OEM part

    CUMMINS

    $23.10
    $21.11
    Precision-engineered to preserve your engine's integrity and maximize uptime Durable gasket material designed to withstand high temperatures and prevent leaks Genuine Cummins OEM part crafted for...
    $23.10
    $21.11
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $23.10
    $21.11
    Subtotal:
  • CUMMINS 136994 - GEAR COVER PLATE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 136994 GEAR COVER PLATE Original OEM part

    CUMMINS

    $472.06
    $431.23
    Precision engineered for enduring power and uncompromising quality. Sturdy construction for maximum engine protection and long service life. Seamless fit tailored to Cummins engine specifications...
    $472.06
    $431.23
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $472.06
    $431.23
    Subtotal:
  • CUMMINS 136176 - WATER OUTLET CONNECTION - Original OEM part - Image 1
    Add to Cart

    CUMMINS 136176 WATER OUTLET CONNECTION Original OEM part

    CUMMINS

    $1,448.75
    $1,323.43
    Cummins 136176 - WATER OUTLET CONNECTION MINS136176 Explore our store's top-notch selection of original Cummins 136176 - WATER OUTLET CONNECTION. Constructed with precision and quality in mind, this...
    $1,448.75
    $1,323.43
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,448.75
    $1,323.43
    Subtotal:
  • CUMMINS 135332 - FEMALE ADAPTER ELBOW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 135332 FEMALE ADAPTER ELBOW Original OEM part

    CUMMINS

    $269.24
    $245.95
    Precision-engineered connection for optimal fluid flow and system compatibility Durable construction to withstand demanding operating conditions and extend service life 100% Genuine OEM Cummins part...
    $269.24
    $245.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $269.24
    $245.95
    Subtotal:
  • CUMMINS 134284 - FLANGE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 134284 FLANGE Original OEM part

    CUMMINS

    $198.12
    $180.98
    Precision engineered to uphold Cummins' legacy of reliability and performance Durable construction ensures long-lasting sealing and protection under demanding conditions Essential for maintaining...
    $198.12
    $180.98
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $198.12
    $180.98
    Subtotal:
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