Diesel Engine Plugs

Genuine Diesel Engine Plugs for Onan, Cummins, and Fleetguard Power Engines

Maintain the integrity and efficiency of your diesel power equipment with our authentic Diesel Engine Plugs. Engineered specifically for Onan, Cummins, and Fleetguard engines, these plugs ensure a perfect fit and long-lasting durability under demanding conditions.

Diesel Engine Plugs - Reliable & Genuine Components by Onan, Cummins, Fleetguard

Our selection features a range of genuine diesel engine plugs designed to seal engine ports effectively, preventing leaks and protecting your engine from contaminants. Crafted from premium materials, these plugs offer superior corrosion resistance and thermal stability.

  • Authentic Quality: Direct-fit plugs manufactured to OEM specifications for trusted performance.
  • Durable Construction: High-grade materials ensure longevity and withstand harsh operating environments.
  • Wide Compatibility: Suitable for various Onan, Cummins, and Fleetguard diesel engine models.

Upgrade your diesel engine maintenance with our genuine plugs, designed to maximize reliability and extend engine life.

Why Choose Our Diesel Engine Plugs?

We provide only genuine, brand-approved parts to ensure optimal engine performance, backed by expert guidance and trusted customer support for your peace of mind.

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  • CUMMINS 3067247 - EXPANSION PLUG - Original OEM part - Image 1
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    CUMMINS 3067247 EXPANSION PLUG Original OEM part

    CUMMINS

    $40.85
    $37.32
    Engineered precision for uncompromising power and protection. Durable expansion plug designed to maintain engine integrity under demanding conditions. OEM quality guarantees full compatibility and...
    $40.85
    $37.32
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    Qty in Cart: 0
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    $40.85
    $37.32
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  • CUMMINS 3066323 - PLUG THREADED
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    CUMMINS 3066323 THREADED PLUG Original OEM part

    CUMMINS

    $111.43
    $101.79
    Precision engineered for seamless integration. Durable threaded plug designed for lasting engine protection. Ensures leak-proof sealing under demanding conditions. 100% Genuine CUMMINS OEM component...
    $111.43
    $101.79
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    $111.43
    $101.79
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  • CUMMINS 3065383 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3065383 THREADED PLUG Original OEM part

    CUMMINS

    $39.28
    $35.89
    Precision-engineered durability for your Cummins system’s seamless operation High-integrity threaded seal designed to prevent leaks and protect internal components 100% genuine OEM part manufactured...
    $39.28
    $35.89
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    $39.28
    $35.89
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  • CUMMINS 3065093 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3065093 THREADED PLUG Original OEM part

    CUMMINS

    $35.97
    $32.86
    Precision-engineered sealing for dependable engine protection. Durable construction to withstand high pressure and temperature stresses. 100% genuine OEM part designed specifically for Cummins power...
    $35.97
    $32.86
    Add to Cart
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    Price:
    $35.97
    $32.86
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  • CUMMINS 3064947 - PIPE PLUG - Original OEM part - Image 1
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    CUMMINS 3064947 PIPE PLUG Original OEM part

    CUMMINS

    $15.25
    $13.93
    Engineered to maintain system integrity under demanding conditions Precision-fit design ensures leak-proof sealing for enhanced durability 100% Genuine OEM CUMMINS part for guaranteed compatibility...
    $15.25
    $13.93
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    $15.25
    $13.93
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  • CUMMINS 3060882 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3060882 THREADED PLUG Original OEM part

    CUMMINS

    $211.89
    $193.57
    Engineered to perfection for seamless integration Durable construction designed to withstand demanding engine environments Precisely manufactured to meet strict Cummins OEM specifications Original...
    $211.89
    $193.57
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    Qty in Cart: 0
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    Price:
    $211.89
    $193.57
    Subtotal:
  • CUMMINS 3059831 - DRIVE PLUG - Original OEM part - Image 1
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    CUMMINS 3059831 DRIVE PLUG Original OEM part

    CUMMINS

    $19.87
    $18.15
    Precision-crafted for unmatched reliability and performance Essential for preserving engine integrity and efficient operation Designed exclusively by Cummins as a genuine OEM replacement CUMMINS...
    $19.87
    $18.15
    Add to Cart
    Qty in Cart: 0
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    Price:
    $19.87
    $18.15
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  • CUMMINS 3056416 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3056416 THREADED PLUG Original OEM part

    CUMMINS

    $15.42
    $14.08
    Precision engineered for robust sealing and leak prevention Durable design crafted to withstand high-pressure environments 100% genuine OEM Cummins part, guaranteeing perfect compatibility Elevate...
    $15.42
    $14.08
    Add to Cart
    Qty in Cart: 0
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    Price:
    $15.42
    $14.08
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  • CUMMINS 3055740 - PIPE PLUG - Original OEM part - Image 1
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    CUMMINS 3055740 PIPE PLUG Original OEM part

    CUMMINS

    $11.46
    $10.47
    Unwavering Performance Engineered for Every System Precision-Made to Ensure Leak-Free Sealing and Durability Corrosion-Resistant Material Designed for Harsh Conditions Certified Original Equipment...
    $11.46
    $10.47
    Add to Cart
    Qty in Cart: 0
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    Price:
    $11.46
    $10.47
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  • CUMMINS 3048045 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3048045 THREADED PLUG Original OEM part

    CUMMINS

    $146.98
    $134.27
    Engineered Precision for Unmatched Reliability High-grade material construction maximizing sealing effectiveness Designed for seamless compatibility with Cummins engine systems Authentic OEM...
    $146.98
    $134.27
    Add to Cart
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    Price:
    $146.98
    $134.27
    Subtotal:
  • CUMMINS 3046942 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3046942 THREADED PLUG Original OEM part

    CUMMINS

    $213.83
    $195.33
    Cummins 3046942 - THREADED PLUG MINS3046942 Find the genuine 3046942 - THREADED PLUG from Cummins at our store, your ultimate destination for high-quality replacement parts. With our focus on...
    $213.83
    $195.33
    Add to Cart
    Qty in Cart: 0
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    Price:
    $213.83
    $195.33
    Subtotal:
  • CUMMINS 3045782 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3045782 THREADED PLUG Original OEM part

    CUMMINS

    $48.06
    $43.90
    Cummins 3045782 - THREADED PLUG MINS3045782 Welcome to our store where you can find the authentic 3045782 - THREADED PLUG by Cummins. With our commitment to providing top-quality original...
    $48.06
    $43.90
    Add to Cart
    Qty in Cart: 0
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    Price:
    $48.06
    $43.90
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  • CUMMINS 3045045 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045045 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $19.44
    $17.76
    Precision-engineered for uncompromising performance Enhances fuel metering accuracy for optimal engine efficiency Manufactured as a genuine OEM Cummins component for guaranteed...
    $19.44
    $17.76
    Add to Cart
    Qty in Cart: 0
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    Price:
    $19.44
    $17.76
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  • CUMMINS 3045044 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045044 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $16.78
    $15.33
    Cummins 3045044 - INJECTOR ORIFICE PLUG MINS3045044 Upgrade your outdoor equipment with the genuine Cummins 3045044 - INJECTOR ORIFICE PLUG, known for its superior quality and reliability. Our store...
    $16.78
    $15.33
    Add to Cart
    Qty in Cart: 0
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    Price:
    $16.78
    $15.33
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  • CUMMINS 3045037 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045037 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $18.48
    $16.88
    Cummins 3045037 - INJECTOR ORIFICE PLUG MINS3045037 Find the perfect replacement for your equipment with the original 3045037 - INJECTOR ORIFICE PLUG by Cummins. Our store guarantees authenticity,...
    $18.48
    $16.88
    Add to Cart
    Qty in Cart: 0
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    Price:
    $18.48
    $16.88
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  • CUMMINS 3045035 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045035 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $18.04
    $16.48
    Cummins 3045035 - INJECTOR ORIFICE PLUG MINS3045035 Discover the authentic Cummins 3045035 - INJECTOR ORIFICE PLUG, designed to ensure optimal performance for your outdoor equipment. Trust our store...
    $18.04
    $16.48
    Add to Cart
    Qty in Cart: 0
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    Price:
    $18.04
    $16.48
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  • CUMMINS 3045031 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045031 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $138.70
    $126.71
    Engineered for Excellence, Crafted for Reliability Precision-machined injector orifice plug designed for exact fuel flow control Enhances fuel atomization to maximize combustion efficiency and...
    $138.70
    $126.71
    Add to Cart
    Qty in Cart: 0
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    Price:
    $138.70
    $126.71
    Subtotal:
  • CUMMINS 3045018 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045018 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $92.48
    $84.48
    Precision engineered for uncompromising performance Ensures optimal fuel injection and engine efficiency Durable construction for extended service life Certified Cummins OEM component for guaranteed...
    $92.48
    $84.48
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $92.48
    $84.48
    Subtotal:
  • CUMMINS 3045017 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045017 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $34.54
    $31.55
    Precision in Every Drop, Durability in Every Part Ensures optimal fuel injection flow for consistent engine performance Crafted to withstand demanding engine conditions for long-lasting service 100%...
    $34.54
    $31.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $34.54
    $31.55
    Subtotal:
  • CUMMINS 3045014 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045014 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $34.54
    $31.55
    Precision engineered to empower your Cummins engine with unmatched performance Ensures optimal fuel injection flow for enhanced engine efficiency and reduced emissions Durable construction designed...
    $34.54
    $31.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $34.54
    $31.55
    Subtotal:
  • CUMMINS 3045012 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045012 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $36.78
    $33.60
    Cummins 3045012 - INJECTOR ORIFICE PLUG MINS3045012 Find the exact fit you need with the 3045012 - INJECTOR ORIFICE PLUG by Cummins, SKU "MINS3045012". Our store stands out as the go-to destination...
    $36.78
    $33.60
    Add to Cart
    Qty in Cart: 0
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    Price:
    $36.78
    $33.60
    Subtotal:
  • CUMMINS 3045007 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045007 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $41.17
    $37.61
    Precision craftsmanship for uncompromised engine health Engineered to maintain optimal injector flow and fuel efficiency 100% genuine OEM Cummins part for full compatibility and reliability CUMMINS...
    $41.17
    $37.61
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $41.17
    $37.61
    Subtotal:
  • CUMMINS 3045005 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045005 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $80.26
    $73.32
    Precision engineered for reliable fuel flow control Ensures optimal engine efficiency and reduced emissions 100% genuine OEM CUMMINS component designed for seamless integration CUMMINS 3045005...
    $80.26
    $73.32
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $80.26
    $73.32
    Subtotal:
  • CUMMINS 3045004 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045004 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $44.63
    $40.77
    Precision-crafted to uphold Cummins' legacy of durability and unmatched power integrity Essential for maintaining optimal fuel injection and protecting critical engine components Manufactured as a...
    $44.63
    $40.77
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $44.63
    $40.77
    Subtotal:
  • CUMMINS 3044994 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3044994 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $33.48
    $30.59
    Engineered for uncompromising fuel precision and durability Ensures efficient combustion and reduced emissions 100% authentic OEM component built to strict Cummins standards Trust CUMMINS 3044994...
    $33.48
    $30.59
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $33.48
    $30.59
    Subtotal:
  • CUMMINS 3044993 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3044993 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $32.60
    $29.79
    Precision-engineered performance for uncompromised engine reliability Critical flow control feature ensuring optimal fuel delivery Manufactured as a genuine OEM Cummins component for guaranteed...
    $32.60
    $29.79
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $32.60
    $29.79
    Subtotal:
  • CUMMINS 3044991 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3044991 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $32.80
    $29.97
    Precision engineered to empower your Cummins engine's performance. Critical injector orifice plug ensuring accurate fuel atomization for optimal combustion. Durable construction designed to...
    $32.80
    $29.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $32.80
    $29.97
    Subtotal:
  • CUMMINS 3042004 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3042004 THREADED PLUG Original OEM part

    CUMMINS

    $4.68
    $4.28
    Precision engineered for optimal sealing performance within your Cummins engine systems Durability ensures long-lasting protection against leaks and contaminants 100% Genuine OEM Cummins component...
    $4.68
    $4.28
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.68
    $4.28
    Subtotal:
  • CUMMINS 3040997 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3040997 THREADED PLUG Original OEM part

    CUMMINS

    $99.76
    $91.13
    Cummins 3040997 - THREADED PLUG MINS3040997 Welcome to our store where you can find the original 3040997 - THREADED PLUG from Cummins. Our commitment to quality ensures that you are getting the...
    $99.76
    $91.13
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $99.76
    $91.13
    Subtotal:
  • CUMMINS 3040995 - PLUG THREADED - Original OEM part
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    CUMMINS 3040995 THREADED PLUG Original OEM part

    CUMMINS

    $30.19
    $27.58
    Precision Fit for Maximum Performance: Engineered specifically to meet Cummins standards for leak-proof sealing and durability. Corrosion-Resistant Construction: Built to withstand harsh...
    $30.19
    $27.58
    Add to Cart
    Qty in Cart: 0
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    Price:
    $30.19
    $27.58
    Subtotal:
  • CUMMINS 3040818 - PLUG THREADED - Original OEM part
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    CUMMINS 3040818 THREADED PLUG Original OEM part

    CUMMINS

    $38.60
    $35.27
    Cummins 3040818 - THREADED PLUG MINS3040818 Find the genuine Cummins 3040818 - THREADED PLUG conveniently at our store. Our commitment to quality ensures you get the right part for your outdoor...
    $38.60
    $35.27
    Add to Cart
    Qty in Cart: 0
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    Price:
    $38.60
    $35.27
    Subtotal:
  • CUMMINS 3040814 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3040814 THREADED PLUG Original OEM part

    CUMMINS

    $22.18
    $20.26
    Engineered for precision and durability, the CUMMINS 3040814 THREADED PLUG secures essential system components with uncompromising integrity. Designed to optimize sealing and prevent leaks, this...
    $22.18
    $20.26
    Add to Cart
    Qty in Cart: 0
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    Price:
    $22.18
    $20.26
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  • CUMMINS 3038903 - PLUG O RING - Original OEM part
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    CUMMINS 3038903 ORING PLUG Original OEM part

    CUMMINS

    $28.99
    $26.49
    Precision-engineered sealing for uncompromised engine protection Durable materials designed to withstand demanding operational stresses Certified genuine OEM part ensuring perfect fit and dependable...
    $28.99
    $26.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $28.99
    $26.49
    Subtotal:
  • CUMMINS 3033742 - PLUG THREADED - Original OEM part
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    CUMMINS 3033742 THREADED PLUG Original OEM part

    CUMMINS

    $20.50
    $18.73
    Precision engineering that sustains your Cummins engine’s integrity Durable threaded plug designed to prevent leaks and maintain optimal pressure Certified OEM component assuring seamless fit and...
    $20.50
    $18.73
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.50
    $18.73
    Subtotal:
  • CUMMINS 3032629 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3032629 THREADED PLUG Original OEM part

    CUMMINS

    $110.06
    $100.54
    Precision engineering for seamless integration—ensure your power system performs at its best. Durability under demanding conditions—maintain long-term engine health and system integrity. Genuine OEM...
    $110.06
    $100.54
    Add to Cart
    Qty in Cart: 0
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    Price:
    $110.06
    $100.54
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  • CUMMINS 3031511 - PIPE PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3031511 PIPE PLUG Original OEM part

    CUMMINS

    $10.67
    $9.75
    Precision-crafted for enduring reliability in demanding power systems Seals critical ports to maintain engine integrity and prevent leaks Engineered from premium materials for long-lasting...
    $10.67
    $9.75
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10.67
    $9.75
    Subtotal:
  • CUMMINS 3029300 - ORING PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3029300 ORING PLUG Original OEM part

    CUMMINS

    $68.93
    $62.97
    Engineered for precision and reliability – the CUMMINS 3029300 ORING PLUG ensures seamless sealing performance under demanding conditions. Durability that withstands extreme environments to protect...
    $68.93
    $62.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $68.93
    $62.97
    Subtotal:
  • CUMMINS 3028347 - BARREL AIR FUEL CONTROL PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3028347 BARREL AIR FUEL CONTROL PLUG Original OEM part

    CUMMINS

    $164.00
    $149.82
    Cummins 3028347 - BARREL AIR FUEL CONTROL PLUG MINS3028347 Discover top-notch quality with the Cummins 3028347 - BARREL AIR FUEL CONTROL PLUG, ensuring optimal performance for your outdoor equipment...
    $164.00
    $149.82
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $164.00
    $149.82
    Subtotal:
  • CUMMINS 3027232 - PIPE PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3027232 PIPE PLUG Original OEM part

    CUMMINS

    $9.79
    $8.95
    Engineered to excel under demanding conditions Ensures leak-proof sealing for hydraulic and fuel systems Authentic OEM part designed by Cummins for seamless compatibility CUMMINS 3027232 PIPE...
    $9.79
    $8.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.79
    $8.95
    Subtotal:
  • CUMMINS 3025460 - PIPE PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3025460 PIPE PLUG Original OEM part

    CUMMINS

    $12.23
    $11.17
    Precision engineered to safeguard your engine’s integrity under demanding conditions Seamless fit and finish for optimal sealing and leak prevention Manufactured to exact Cummins OEM specifications...
    $12.23
    $11.17
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12.23
    $11.17
    Subtotal:
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