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 4328789 - AFTERTREATMENT DEVICE Original OEM part - Original OEM part - Image 1
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    CUMMINS 4328789 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 5506012

    CUMMINS

    $12,544.39
    $11,459.30
    Power your engine’s future with precision-engineered Cummins excellence. Efficient emission reduction technology ensures cleaner, compliant operation. Durable construction enhances longevity even in...
    $12,544.39
    $11,459.30
    Add to Cart
    Qty in Cart: 0
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    Price:
    $12,544.39
    $11,459.30
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  • CUMMINS 4328786 - AFTERTREATMENT DEVICE Original OEM part - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4328786 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 5506010

    CUMMINS

    $12,544.39
    $11,459.30
    Engineered for enduring power and seamless integration Advanced emissions control for cleaner, efficient operation Precision OEM construction ensures perfect fit and durability Certified genuine...
    $12,544.39
    $11,459.30
    Add to Cart
    Qty in Cart: 0
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    Price:
    $12,544.39
    $11,459.30
    Subtotal:
  • CUMMINS 4328733 - OUTLET MODULE Original OEM part - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4328733 OUTLET MODULE Original OEM part - SUPERSEDED FROM 2871576, 2871914

    CUMMINS

    $2,745.35
    $2,507.88
    Precision engineering with Cummins reliability ensures your power system performs flawlessly. Durable construction designed to withstand demanding operational conditions for long service life...
    $2,745.35
    $2,507.88
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,745.35
    $2,507.88
    Subtotal:
  • CUMMINS 4328522 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4328522 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $1,004.23
    $917.36
    Cummins 4328522 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS4328522 Upgrade your equipment with the genuine 4328522 - EXTERNAL CONTROL MODULE WIRING HARNESS by Cummins available at our store...
    $1,004.23
    $917.36
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,004.23
    $917.36
    Subtotal:
  • CUMMINS 4327828 - MANIFOLD SHIELD - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4327828 MANIFOLD SHIELD Original OEM part

    CUMMINS

    $978.10
    $893.50
    Cummins 4327828 - MANIFOLD SHIELD MINS4327828 Find the authentic 4327828 - MANIFOLD SHIELD by Cummins, known for its quality and durability. Our store offers this original replacement part at the...
    $978.10
    $893.50
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $978.10
    $893.50
    Subtotal:
  • CUMMINS 4327795 - DEBRIS SHIELD - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4327795 DEBRIS SHIELD Original OEM part

    CUMMINS

    $1,316.47
    $1,202.60
    Engineered Precision Protection: Secure your engine against harmful contaminants with confidence. Durable Construction: Crafted to withstand demanding conditions and extend component life. ...
    $1,316.47
    $1,202.60
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,316.47
    $1,202.60
    Subtotal:
  • CUMMINS 4327030 - TEMPERATURE SWITCH - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4327030 TEMPERATURE SWITCH Original OEM part

    CUMMINS

    $215.30
    $196.68
    Precision engineered for uncompromised performance Responsive temperature monitoring to safeguard engine integrity OEM quality guaranteed by Cummins for lasting reliability Elevate Your Cummins...
    $215.30
    $196.68
    Add to Cart
    Qty in Cart: 0
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    Price:
    $215.30
    $196.68
    Subtotal:
  • CUMMINS 4327027 - TEMPERATURE SWITCH - Original OEM part - Image 1
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    CUMMINS 4327027 TEMPERATURE SWITCH Original OEM part

    CUMMINS

    $164.05
    $149.86
    Precision-engineered for ultimate temperature monitoring and protection. Reliable switching response enhances engine safety and long-term durability. Direct OEM compatibility guarantees seamless...
    $164.05
    $149.86
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $164.05
    $149.86
    Subtotal:
  • CUMMINS 4327025 - TEMPERATURE SWITCH - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4327025 TEMPERATURE SWITCH Original OEM part

    CUMMINS

    $238.15
    $217.55
    Cummins 4327025 - TEMPERATURE SWITCH MINS4327025 Find top-notch quality with the 4327025 - TEMPERATURE SWITCH by Cummins, SKU MINS4327025. Our store guarantees authenticity, ensuring your outdoor...
    $238.15
    $217.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $238.15
    $217.55
    Subtotal:
  • CUMMINS 4326610 - THROTTLE CONTROL - Original OEM part - Image 1
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    CUMMINS 4326610 THROTTLE CONTROL Original OEM part

    CUMMINS

    $1,780.24
    $1,626.25
    Precision engineered for seamless throttle response and control Durable construction ensuring longevity under demanding engine operations 100% genuine CUMMINS OEM part for guaranteed compatibility...
    $1,780.24
    $1,626.25
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,780.24
    $1,626.25
    Subtotal:
  • CUMMINS 4326360 - INJECTOR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4326360 INJECTOR Original OEM part

    CUMMINS

    $1,901.30
    $1,736.84
    Cummins 4326360 - INJECTOR MINS4326360 Discover authentic quality with the 4326360 - INJECTOR by Cummins, available under the SKU MINS4326360. Our store is your ultimate destination for original...
    $1,901.30
    $1,736.84
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,901.30
    $1,736.84
    Subtotal:
  • CUMMINS 4326355 - ORING SEAL - Original OEM part - Image 1
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    CUMMINS 4326355 ORING SEAL Original OEM part

    CUMMINS

    $15.34
    $14.01
    Engineered to endure, designed to perform—trust the authentic Cummins advantage. Precision sealing for leak-free, efficient engine operation. Crafted from premium materials for extended service life...
    $15.34
    $14.01
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $15.34
    $14.01
    Subtotal:
  • CUMMINS 4326270 - PLAIN HOSE COUPLING - Original OEM part - Image 1
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    CUMMINS 4326270 PLAIN HOSE COUPLING Original OEM part

    CUMMINS

    $780.95
    $713.40
    Precision-engineered for seamless integration with Cummins systems ensuring optimal hose connections. Durable construction designed to withstand high pressure and extended operational stresses. 100%...
    $780.95
    $713.40
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $780.95
    $713.40
    Subtotal:
  • CUMMINS 4325873 - STUDDED FLANGE CAPSCREW - Original OEM part - Image 1
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    CUMMINS 4325873 STUDDED FLANGE CAPSCREW Original OEM part

    CUMMINS

    $11.72
    $10.70
    Precision-engineered excellence for your Cummins power system Robust studded flange capscrew designed to maintain secure, vibration-resistant connections Manufactured to Cummins’ exact OEM...
    $11.72
    $10.70
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11.72
    $10.70
    Subtotal:
  • CUMMINS 4325722 - HEAT SHIELD - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4325722 HEAT SHIELD Original OEM part

    CUMMINS

    $51.66
    $47.19
    Cummins 4325722 - HEAT SHIELD MINS4325722 When it comes to ensuring peak performance of your outdoor equipment, trust only original replacement parts like the 4325722 - HEAT SHIELD from Cummins. Our...
    $51.66
    $47.19
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $51.66
    $47.19
    Subtotal:
  • CUMMINS 4325712 - GLOW PLUG - Original OEM part - Image 1
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    CUMMINS 4325712 GLOW PLUG Original OEM part

    CUMMINS

    $94.08
    $85.95
    Cummins 4325712 - GLOW PLUG MINS4325712 Discover the precise fit you need with the genuine Cummins 4325712 - GLOW PLUG available at our store. Engineered to meet the highest standards, this...
    $94.08
    $85.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $94.08
    $85.95
    Subtotal:
  • CUMMINS 4325508 - OIL FILLER CONNECTION - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4325508 OIL FILLER CONNECTION Original OEM part

    CUMMINS

    $187.80
    $171.56
    Cummins 4325508 - OIL FILLER CONNECTION MINS4325508 Find the perfect fit for your outdoor equipment with the Cummins 4325508 - OIL FILLER CONNECTION. Our store proudly offers this original part, SKU...
    $187.80
    $171.56
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $187.80
    $171.56
    Subtotal:
  • CUMMINS 4325504 - THREADED PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4325504 THREADED PLUG Original OEM part

    CUMMINS

    $29.16
    $26.64
    Engineered for seamless integration and ultimate system protection Designed to maintain optimal sealing under demanding operating conditions Crafted as a genuine Cummins OEM part to ensure perfect...
    $29.16
    $26.64
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.16
    $26.64
    Subtotal:
  • CUMMINS 4325264 - HEX FLANGE HEAD CAPSCREW - Original OEM part - Image 1
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    CUMMINS 4325264 HEX FLANGE HEAD CAPSCREW Original OEM part

    CUMMINS

    $1.32
    $1.20
    Precision engineered fastening for enduring power systems Robust hex flange design enhances secure assembly and vibration resistance Durable materials ensure long-lasting strength under harsh...
    $1.32
    $1.20
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1.32
    $1.20
    Subtotal:
  • CUMMINS 4325240 - HEX FLANGE HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4325240 HEX FLANGE HEAD CAPSCREW Original OEM part

    CUMMINS

    $7.92
    $7.23
    Cummins 4325240 - HEX FLANGE HEAD CAPSCREW - - NO LONGER AVAILABLE MINS4325240 Discover the genuine 4325240 - HEX FLANGE HEAD CAPSCREW - - NO LONGER AVAILABLE by Cummins at our store. We proudly...
    $7.92
    $7.23
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7.92
    $7.23
    Subtotal:
  • CUMMINS 4325062 - CYLINDER HEAD - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4325062 CYLINDER HEAD Original OEM part

    CUMMINS

    $7,156.50
    $6,537.47
    Cummins 4325062 - CYLINDER HEAD - - NO LONGER AVAILABLE MINS4325062 Looking for the original 4325062 - CYLINDER HEAD that is no longer available elsewhere Look no further than our store! We offer...
    $7,156.50
    $6,537.47
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,156.50
    $6,537.47
    Subtotal:
  • CUMMINS 4324686 - COVER PLATE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4324686 COVER PLATE Original OEM part

    CUMMINS

    $141.12
    $128.91
    Precision engineered for uncompromising engine protection Durable construction designed to withstand extreme operating conditions Certified OEM CUMMINS component for guaranteed compatibility and...
    $141.12
    $128.91
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $141.12
    $128.91
    Subtotal:
  • CUMMINS 4324129 - MOUNTING SPACER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4324129 MOUNTING SPACER Original OEM part

    CUMMINS

    $44.60
    $40.75
    Engineered for Excellence: Delivering seamless integration and robust support for your Cummins power system Precision Fit: Designed to maintain optimal alignment and reduce vibration for enhanced...
    $44.60
    $40.75
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $44.60
    $40.75
    Subtotal:
  • CUMMINS 4324102 - EXHAUST MANIFOLD SEAL - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4324102 EXHAUST MANIFOLD SEAL Original OEM part

    CUMMINS

    $471.76
    $430.95
    Cummins 4324102 - EXHAUST MANIFOLD SEAL MINS4324102 Our store proudly offers the original 4324102 - EXHAUST MANIFOLD SEAL from Cummins. With our commitment to quality, you can trust that you are...
    $471.76
    $430.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $471.76
    $430.95
    Subtotal:
  • CUMMINS 4323031 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4323031 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $10,668.90
    $9,746.05
    Engineered to empower your equipment with uncompromised precision and durability. Designed for seamless integration with CUMMINS control modules to ensure optimal electrical connectivity...
    $10,668.90
    $9,746.05
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10,668.90
    $9,746.05
    Subtotal:
  • CUMMINS 4322970 - FUEL INLET CONNECTION - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4322970 FUEL INLET CONNECTION Original OEM part

    CUMMINS

    $3,560.30
    $3,252.34
    Precision engineered for peak fuel delivery efficiency. Robust construction ensures long-lasting durability under demanding conditions. 100% genuine Cummins OEM part designed for seamless fit and...
    $3,560.30
    $3,252.34
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,560.30
    $3,252.34
    Subtotal:
  • CUMMINS 4322969 - MALE UNION TEE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4322969 MALE UNION TEE Original OEM part

    CUMMINS

    $133.98
    $122.39
    Precision engineered to empower your Cummins system’s peak performance. Designed to guarantee a secure, leak-proof fluid connection under demanding conditions. Corrosion-resistant construction...
    $133.98
    $122.39
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $133.98
    $122.39
    Subtotal:
  • CUMMINS 4322947 - ACCESSORY SUPPORT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4322947 ACCESSORY SUPPORT Original OEM part

    CUMMINS

    $380.38
    $347.48
    Cummins 4322947 - ACCESSORY SUPPORT MINS4322947 Discover the top-quality 4322947 - ACCESSORY SUPPORT exclusively from Cummins at our online store. Ensure precision and durability by choosing...
    $380.38
    $347.48
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $380.38
    $347.48
    Subtotal:
  • CUMMINS 4322912 - FUEL FILTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4322912 FUEL FILTER Original OEM part

    CUMMINS

    $5,894.15
    $5,384.31
    Precision-engineered filtration excellence for uncompromising engine health High-efficiency contaminant removal extends engine life and safeguards fuel system components Designed to seamlessly...
    $5,894.15
    $5,384.31
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5,894.15
    $5,384.31
    Subtotal:
  • CUMMINS 4321893 - ELBOW HOSE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4321893 ELBOW HOSE Original OEM part

    CUMMINS

    $515.79
    $471.18
    Engineered to exceed expectations: Precision-crafted for seamless integration and unmatched durability. Optimized flow design: Promotes efficient cooling and pressure management to maintain engine...
    $515.79
    $471.18
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $515.79
    $471.18
    Subtotal:
  • CUMMINS 4321114 - PLAIN HOSE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4321114 PLAIN HOSE Original OEM part

    CUMMINS

    $326.30
    $298.08
    Powering continuity, engineered for excellence Durable construction resists wear and extreme conditions Designed for seamless integration, ensuring perfect fit and function 100% OEM Cummins part...
    $326.30
    $298.08
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $326.30
    $298.08
    Subtotal:
  • CUMMINS 4321113 - PLAIN HOSE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4321113 PLAIN HOSE Original OEM part

    CUMMINS

    $451.39
    $412.35
    Unwavering power delivery begins with trusted components Durable construction designed to withstand demanding engine conditions Precision-engineered to optimize fuel and fluid flow without...
    $451.39
    $412.35
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $451.39
    $412.35
    Subtotal:
  • CUMMINS 4321097 - BELT GUARD BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4321097 BELT GUARD BRACKET Original OEM part

    CUMMINS

    $473.98
    $432.98
    Cummins 4321097 - BELT GUARD BRACKET MINS4321097 When it comes to replacing your lawn mower's 4321097 - BELT GUARD BRACKET, trust Cummins for reliable, original parts. This durable and high-quality...
    $473.98
    $432.98
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $473.98
    $432.98
    Subtotal:
  • CUMMINS 4321012 - HEAT SHIELD - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4321012 HEAT SHIELD Original OEM part

    CUMMINS

    $918.80
    $839.33
    Cummins 4321012 - HEAT SHIELD MINS4321012 Whether you're in need of a replacement 4321012 - HEAT SHIELD for your equipment, trust Cummins to deliver original quality parts. Our store ensures that...
    $918.80
    $839.33
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $918.80
    $839.33
    Subtotal:
  • CUMMINS 4320904 - TIE ROD RADIATOR BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4320904 TIE ROD RADIATOR BRACKET Original OEM part

    CUMMINS

    $481.50
    $439.86
    Precision-engineered support for lasting radiator stability. Enhances cooling system integrity for optimal engine operation. Authentic Cummins OEM component guaranteeing full compatibility. CUMMINS...
    $481.50
    $439.86
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $481.50
    $439.86
    Subtotal:
  • CUMMINS 4320811 - EXHAUST OUTLET TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4320811 EXHAUST OUTLET TUBE Original OEM part

    CUMMINS

    $678.66
    $619.96
    Precision-engineered to uphold Cummins' legacy of power and reliability Enhances exhaust system efficiency for reduced emissions and noise Manufactured from high-grade materials ensuring extended...
    $678.66
    $619.96
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $678.66
    $619.96
    Subtotal:
  • CUMMINS 4320810 - AIR TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4320810 AIR TUBE Original OEM part

    CUMMINS

    $2,002.70
    $1,829.47
    Precision engineered for uncompromising airflow control Durable materials crafted to withstand demanding engine conditions 100% Genuine Cummins OEM component for guaranteed compatibility Experience...
    $2,002.70
    $1,829.47
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,002.70
    $1,829.47
    Subtotal:
  • CUMMINS 4320681 - TIE ROD RADIATOR BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4320681 TIE ROD RADIATOR BRACKET Original OEM part

    CUMMINS

    $1,068.38
    $975.97
    Cummins 4320681 - TIE ROD RADIATOR BRACKET MINS4320681 Find the original Cummins 4320681 - TIE ROD RADIATOR BRACKET at our store, ensuring top-notch quality and perfect fit for your outdoor...
    $1,068.38
    $975.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,068.38
    $975.97
    Subtotal:
  • CUMMINS 4314467 - ORIFICE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4314467 ORIFICE Original OEM part

    CUMMINS

    $278.34
    $254.26
    Engineered precision for unwavering performance Optimized flow control to enhance fuel efficiency Durable, genuine Cummins OEM component guaranteeing perfect compatibility Trust in CUMMINS 4314467...
    $278.34
    $254.26
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $278.34
    $254.26
    Subtotal:
  • CUMMINS 4314465 - THREADED PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4314465 THREADED PLUG Original OEM part

    CUMMINS

    $131.76
    $120.36
    Engineered Precision, Unmatched Reliability: The CUMMINS 4314465 threaded plug delivers exact fit and seal for your Cummins power system. Durability That Endures Tough Conditions: Designed to...
    $131.76
    $120.36
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $131.76
    $120.36
    Subtotal:
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