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 3045009 - INJECTOR ORIFICE PLUG Original OEM part PACK OF 2 - Original OEM part - Image 1
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    CUMMINS 3045009 INJECTOR ORIFICE PLUG Original OEM part PACK OF 2

    CUMMINS

    $160.52
    $146.63
    Precision-crafted for unmatched fuel delivery control Designed to enhance engine efficiency and emissions compliance 100% Genuine OEM part by Cummins ensuring perfect compatibility The CUMMINS...
    $160.52
    $146.63
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    Qty in Cart: 0
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    Price:
    $160.52
    $146.63
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  • CUMMINS 3045008 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045008 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $80.26
    $73.32
    Engineered for seamless integration and enduring performance Precisely controls fuel delivery for optimal engine operation Manufactured as a genuine OEM Cummins component to guarantee quality and...
    $80.26
    $73.32
    Add to Cart
    Qty in Cart: 0
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    Price:
    $80.26
    $73.32
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  • CUMMINS 3045002 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045002 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $19.44
    $17.76
    Cummins 3045002 - INJECTOR ORIFICE PLUG MINS3045002 Find the genuine Cummins 3045002 - INJECTOR ORIFICE PLUG, SKU "MINS3045002", exclusively at our store. With a commitment to quality and...
    $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 3045001 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3045001 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $37.50
    $34.26
    Cummins 3045001 - INJECTOR ORIFICE PLUG MINS3045001 Finding original replacement parts like the Cummins 3045001 - INJECTOR ORIFICE PLUG can be a chore, but not at our store. We offer the best...
    $37.50
    $34.26
    Add to Cart
    Qty in Cart: 0
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    Price:
    $37.50
    $34.26
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  • CUMMINS 3045000 - INJECTOR ORIFICE PLUG Original OEM part PACK OF 2 - Original OEM part - Image 1
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    CUMMINS 3045000 INJECTOR ORIFICE PLUG Original OEM part PACK OF 2

    CUMMINS

    $68.86
    $62.90
    Precision engineered to maintain peak fuel injection efficiency and engine reliability Designed to withstand demanding conditions, ensuring long-lasting performance and reduced maintenance 100%...
    $68.86
    $62.90
    Add to Cart
    Qty in Cart: 0
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    Price:
    $68.86
    $62.90
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  • CUMMINS 3044998 - INJECTOR ORIFICE PLUG Original OEM part PACK OF 6 - Original OEM part - Image 1
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    CUMMINS 3044998 INJECTOR ORIFICE PLUG Original OEM part PACK OF 6

    CUMMINS

    $494.56
    $451.78
    Engineered for Excellence: Enhance your power system’s precision and dependability. Precision-fit Injector Component: Ensures optimal fuel delivery and combustion efficiency. Durable Construction:...
    $494.56
    $451.78
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $494.56
    $451.78
    Subtotal:
  • CUMMINS 3044996 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3044996 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $38.90
    $35.54
    Cummins 3044996 - INJECTOR ORIFICE PLUG MINS3044996 When it comes to ensuring optimal performance for your equipment, trust only original parts like the 3044996 - INJECTOR ORIFICE PLUG from Cummins...
    $38.90
    $35.54
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $38.90
    $35.54
    Subtotal:
  • CUMMINS 3044995 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3044995 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $34.28
    $31.32
    Cummins 3044995 - INJECTOR ORIFICE PLUG MINS3044995 Unleash the optimal performance of your Cummins engine with the genuine 3044995 - INJECTOR ORIFICE PLUG available at our store. Ensure precision,...
    $34.28
    $31.32
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $34.28
    $31.32
    Subtotal:
  • CUMMINS 3040815 - PLUG THREADED - Original OEM part
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    CUMMINS 3040815 THREADED PLUG Original OEM part PACK OF 2

    CUMMINS

    $70.40
    $64.32
    Precision engineered for seamless compatibility with Cummins power generation systems Durable construction guarantees secure sealing and extended service life Perfectly tailored to maintain engine...
    $70.40
    $64.32
    Add to Cart
    Qty in Cart: 0
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    Price:
    $70.40
    $64.32
    Subtotal:
  • CUMMINS 3037536 - PLUG THREADED - Image 1
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    CUMMINS 3037536 THREADED PLUG Original OEM part

    CUMMINS

    $25.48
    $23.28
    Depend on Precision Engineering for Unmatched Reliability Durable construction designed to withstand high-pressure environments Seamlessly integrates with Cummins systems for optimal...
    $25.48
    $23.28
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $25.48
    $23.28
    Subtotal:
  • CUMMINS 3032693 - PLUG EXPANSION -IMAGE1
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    CUMMINS 3032693 EXPANSION PLUG Original OEM part PACK OF 2

    CUMMINS

    $23.60
    $21.56
    Cummins 3032693 - EXPANSION PLUG MINS3032693 Our store proudly offers the genuine 3032693 - EXPANSION PLUG from Cummins, ensuring high-quality and compatibility. Trust us for all your outdoor...
    $23.60
    $21.56
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $23.60
    $21.56
    Subtotal:
  • CUMMINS 3027646 - PLUG EXPANSION -IMAGE1
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    CUMMINS 3027646 EXPANSION PLUG Original OEM part

    CUMMINS

    $14.47
    $13.22
    Precision engineered for uncompromised durability and reliable sealing performance Essential for maintaining engine integrity and preventing coolant leaks Crafted to meet Cummins’ stringent OEM...
    $14.47
    $13.22
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.47
    $13.22
    Subtotal:
  • CUMMINS 3011952 - PLUG EXPANSION
    Add to Cart

    CUMMINS 3011952 EXPANSION PLUG Original OEM part

    CUMMINS

    $20.50
    $18.73
    Precision fit for enduring performance Essential for maintaining engine block integrity Manufactured by Cummins to meet OEM standards Elevate Your Cummins Engine Reliability with the 3011952...
    $20.50
    $18.73
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.50
    $18.73
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  • CUMMINS 3008469 - PLUG PIPE - Original OEM part
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    CUMMINS 3008469 PIPE PLUG Original OEM part PACK OF 2

    CUMMINS

    $38.90
    $35.54
    Precision engineered sealing solution for optimal system integrity Durable construction designed to withstand demanding engine environments 100% genuine OEM CUMMINS part ensuring perfect fit and...
    $38.90
    $35.54
    Add to Cart
    Qty in Cart: 0
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    Price:
    $38.90
    $35.54
    Subtotal:
  • CUMMINS 3008468 - PLUG PIPE - Original OEM part
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    CUMMINS 3008468 PIPE PLUG Original OEM part PACK OF 3

    CUMMINS

    $33.95
    $31.01
    Engineered for uncompromising reliability and performance in every application Outstanding sealing capability to maintain optimal engine pressure and fluid containment Precision manufactured as an...
    $33.95
    $31.01
    Add to Cart
    Qty in Cart: 0
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    $33.95
    $31.01
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  • CUMMINS 3008466 - PLUG PIPE - Original OEM part
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    CUMMINS 3008466 PIPE PLUG Original OEM part

    CUMMINS

    $10.76
    $9.83
    Cummins 3008466 - PIPE PLUG MINS3008466 Our store proudly offers the authentic 3008466 - PIPE PLUG by Cummins, ensuring top-notch quality and compatibility with your equipment. With fast shipping...
    $10.76
    $9.83
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10.76
    $9.83
    Subtotal:
  • CUMMINS 3008465 - PLUG PIPE -IMAGE1
    Add to Cart

    CUMMINS 3008465 PIPE PLUG Original OEM part PACK OF 2

    CUMMINS

    $20.46
    $18.69
    Engineered to perfection for uncompromising reliability Ensures leak-proof sealing for optimal system integrity Manufactured exclusively as a genuine OEM Cummins part Trusted for maintaining engine...
    $20.46
    $18.69
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.46
    $18.69
    Subtotal:
  • CUMMINS 3007636 - PLUG EXPANSION-IMAGE1
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    CUMMINS 3007636 EXPANSION PLUG Original OEM part

    CUMMINS

    $12.39
    $11.32
    Engineered for precision and durability, the CUMMINS 3007636 EXPANSION PLUG delivers unwavering reliability under demanding conditions. Provides an airtight seal that protects your engine block from...
    $12.39
    $11.32
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12.39
    $11.32
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  • CUMMINS 3007635 - PLUG EXPANSION-IMAGE1
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    CUMMINS 3007635 EXPANSION PLUG Original OEM part - SUPERSEDED FROM 3914035

    CUMMINS

    $12.30
    $11.24
    Engineered for durability: Maintain engine integrity with precision-made expansion plugs designed for optimal sealing. Corrosion resistance: Crafted from high-grade materials to withstand extreme...
    $12.30
    $11.24
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12.30
    $11.24
    Subtotal:
  • CUMMINS 3007634 - PLUG EXPANSION - Original OEM part
    Add to Cart

    CUMMINS 3007634 EXPANSION PLUG Original OEM part PACK OF 2

    CUMMINS

    $27.39
    $25.02
    Engineered to perfection for uncompromising power system integrity High-strength construction guarantees long-lasting sealing performance Precision fitment tailored exclusively for Cummins...
    $27.39
    $25.02
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $27.39
    $25.02
    Subtotal:
  • CUMMINS 3007632 - EXPANSION PLUG Original OEM part PACK OF 2 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3007632 EXPANSION PLUG Original OEM part PACK OF 2

    CUMMINS

    $20.40
    $18.64
    Reliability engineered to empower your power system Precision-crafted expansion plug ensures leak-proof engine sealing Durability that withstands demanding engine environments Certified genuine OEM...
    $20.40
    $18.64
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.40
    $18.64
    Subtotal:
  • CUMMINS 3004258 - PLUG EXPANSION -IMAGE1
    Add to Cart

    CUMMINS 3004258 EXPANSION PLUG Original OEM part

    CUMMINS

    $11.46
    $10.47
    Power your Cummins engine with precision-engineered reliability. Designed to maintain coolant system integrity for maximum engine efficiency. Crafted from premium materials to withstand extreme...
    $11.46
    $10.47
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11.46
    $10.47
    Subtotal:
  • CUMMINS 2892186 - PROTECTIVE PLUG Original OEM part PACK OF 2 - Original OEM part - Image 1
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    CUMMINS 2892186 PROTECTIVE PLUG Original OEM part PACK OF 2

    CUMMINS

    $5.44
    $4.97
    Cummins 2892186 - PROTECTIVE PLUG MINS2892186 Discover the reliable "2892186 - PROTECTIVE PLUG" by Cummins at our store. With the SKU "MINS2892186", we are your top choice for original replacement...
    $5.44
    $4.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.44
    $4.97
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  • CUMMINS 2892073 - PROTECTIVE PLUG Original OEM part PACK OF 2 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 2892073 PROTECTIVE PLUG Original OEM part PACK OF 2

    CUMMINS

    $5.84
    $5.33
    Engineered precision for lasting performance and protection Seals critical engine components to maintain system integrity Constructed to withstand harsh environments and rigorous use Certified...
    $5.84
    $5.33
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.84
    $5.33
    Subtotal:
  • CUMMINS 2892072 - PROTECTIVE PLUG Original OEM part PACK OF 2 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 2892072 PROTECTIVE PLUG Original OEM part PACK OF 2

    CUMMINS

    $10.90
    $9.96
    Precision Crafted for Lasting Defense Durable design shields critical engine components against contaminants Essential for maintaining system integrity and optimizing equipment uptime 100% Genuine...
    $10.90
    $9.96
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10.90
    $9.96
    Subtotal:
  • CUMMINS 2834613 - THREADED PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 2834613 THREADED PLUG Original OEM part

    CUMMINS

    $47.05
    $42.98
    Cummins 2834613 - THREADED PLUG MINS2834613 Find peace of mind with the genuine 2834613 - THREADED PLUG by Cummins, available at our store. Crafted with precision to ensure seamless performance,...
    $47.05
    $42.98
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $47.05
    $42.98
    Subtotal:
  • CUMMINS 213769 - BALL PLUG Original OEM part PACK OF 2 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 213769 BALL PLUG Original OEM part PACK OF 2

    CUMMINS

    $26.60
    $24.30
    Precision-engineered reliability for your Cummins equipment Durable construction designed to withstand demanding operational conditions Seamless integration with Cummins power systems to ensure...
    $26.60
    $24.30
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $26.60
    $24.30
    Subtotal:
  • CUMMINS 213395 - PLUG EXPANSION - Original OEM part
    Add to Cart

    CUMMINS 213395 EXPANSION PLUG Original OEM part PACK OF 6

    CUMMINS

    $36.99
    $33.79
    Engineered for enduring strength and dependable precision Corrosion-resistant design for long service life Seamless compatibility with Cummins engine systems Crafted as an authentic OEM product by...
    $36.99
    $33.79
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $36.99
    $33.79
    Subtotal:
  • CUMMINS 213394 - PLUG EXPANSION - Original OEM part
    Add to Cart

    CUMMINS 213394 EXPANSION PLUG Original OEM part PACK OF 6

    CUMMINS

    $62.57
    $57.16
    Precision-engineered durability optimized for seamless engine integrity Corrosion-resistant design to withstand demanding operating conditions 100% genuine Cummins OEM component guaranteeing perfect...
    $62.57
    $57.16
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $62.57
    $57.16
    Subtotal:
  • CUMMINS 206224 - EXPANSION PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 206224 EXPANSION PLUG Original OEM part

    CUMMINS

    $12.09
    $11.05
    Engineered for enduring power and precision. Ensures leak-proof sealing for optimal engine performance. Built to withstand harsh conditions and maintain system integrity. 100% genuine Cummins OEM...
    $12.09
    $11.05
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12.09
    $11.05
    Subtotal:
  • CUMMINS 205401 - PLUG EXPANSION
    Add to Cart

    CUMMINS 205401 EXPANSION PLUG Original OEM part

    CUMMINS

    $9.10
    $8.32
    Engineered for flawless integration and maximum durability Superior sealing performance to protect your engine’s integrity Certified as a genuine OEM component from Cummins, guaranteeing full...
    $9.10
    $8.32
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.10
    $8.32
    Subtotal:
  • CUMMINS 203933 - EXPANSION PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 203933 EXPANSION PLUG Original OEM part

    CUMMINS

    $15.05
    $13.75
    Precision engineered for enduring performance Essential for maintaining coolant system integrity Durable construction supports long-term engine health 100% genuine Cummins OEM part guaranteeing...
    $15.05
    $13.75
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $15.05
    $13.75
    Subtotal:
  • CUMMINS 179063 - RETAINER PLUG Original OEM part PACK OF 2 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 179063 RETAINER PLUG Original OEM part PACK OF 2

    CUMMINS

    $30.49
    $27.86
    Engineered to deliver uncompromising durability under the toughest conditions Precision crafted for seamless fit and optimal sealing performance Genuine OEM Cummins part ensuring full compatibility...
    $30.49
    $27.86
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $30.49
    $27.86
    Subtotal:
  • CUMMINS 175830 - EXPANSION PLUG Original OEM part PACK OF 2 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 175830 EXPANSION PLUG Original OEM part PACK OF 2

    CUMMINS

    $27.62
    $25.23
    Precision-crafted durability for your Cummins engine High-grade material composition designed for long-lasting sealing Critical fit guaranteed by original equipment manufacturing standards Certified...
    $27.62
    $25.23
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $27.62
    $25.23
    Subtotal:
  • CUMMINS 156075 - PLUG EXPANSION -IMAGE1
    Add to Cart

    CUMMINS 156075 EXPANSION PLUG Original OEM part PACK OF 2

    CUMMINS

    $24.72
    $22.58
    Cummins 156075 - EXPANSION PLUG MINS156075 When it comes to finding the authentic 156075 - EXPANSION PLUG manufactured by Cummins, look no further than our online store. We take pride in offering...
    $24.72
    $22.58
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.72
    $22.58
    Subtotal:
  • CUMMINS 147416 - EXPANSION PLUG Original OEM part PACK OF 2 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 147416 EXPANSION PLUG Original OEM part PACK OF 2

    CUMMINS

    $21.94
    $20.04
    Cummins 147416 - EXPANSION PLUG MINS147416 When searching for authentic replacement parts like the 147416 - EXPANSION PLUG by Cummins, our store stands out as the premier destination. Our commitment...
    $21.94
    $20.04
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $21.94
    $20.04
    Subtotal:
  • CUMMINS 143066 - PLUG EXPANSION-IMAGE1
    Add to Cart

    CUMMINS 143066 EXPANSION PLUG Original OEM part

    CUMMINS

    $12.58
    $11.49
    Cummins 143066 - EXPANSION PLUG MINS143066 Our store offers the original Cummins 143066 - EXPANSION PLUG, ensuring top-notch quality and perfect compatibility with your equipment. With fast shipping...
    $12.58
    $11.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12.58
    $11.49
    Subtotal:
  • CUMMINS 70295 - PLUG,FUEL PUMP DRAIN - Original OEM part - Image 1
    Add to Cart

    CUMMINS 70295 PLUG,FUEL PUMP DRAIN Original OEM part

    CUMMINS

    $8.32
    $7.60
    Precision engineered for seamless fuel pump drainage Ensures optimal engine protection and longevity Guaranteed genuine OEM from CUMMINS for perfect compatibility CUMMINS 70295 PLUG,FUEL PUMP DRAIN...
    $8.32
    $7.60
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8.32
    $7.60
    Subtotal:
  • CUMMINS 68241 - ZINC ELECTRODE PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 68241 ZINC ELECTRODE PLUG Original OEM part

    CUMMINS

    $72.25
    $66.00
    Precision engineered for uncompromising system integrity Corrosion resistance to extend engine life Specifically designed to support optimal cathodic protection 100% genuine OEM Cummins part for...
    $72.25
    $66.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $72.25
    $66.00
    Subtotal:
  • CUMMINS ST400 - LINE UP PLUGS - Original OEM part - Image 1
    Add to Cart

    CUMMINS ST400 LINE UP PLUGS Original OEM part

    CUMMINS

    $2,818.64
    $2,574.83
    Cummins ST400 - LINE UP PLUGS MINSST400 Meet the Cummins ST400 - LINE UP PLUGS, the essential replacement part ensuring optimal performance for your outdoor equipment. Exclusively available at our...
    $2,818.64
    $2,574.83
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,818.64
    $2,574.83
    Subtotal:
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