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 3394848 - EXPANSION PLUG - Original OEM part - Image 1
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    CUMMINS 3394848 EXPANSION PLUG Original OEM part

    CUMMINS

    $18.15
    $16.58
    Engineered precision for enduring power and reliability Durable sealing technology to prevent leaks and maintain engine integrity Manufactured by Cummins as an authentic OEM component for guaranteed...
    $18.15
    $16.58
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    Qty in Cart: 0
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    $18.15
    $16.58
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  • CUMMINS 3376818 - EXPANSION PLUG INSTALLER - Original OEM part - Image 1
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    CUMMINS 3376818 EXPANSION PLUG INSTALLER Original OEM part

    CUMMINS

    $541.49
    $494.66
    Precision engineered for seamless installation efficiency Durable design providing long-lasting service life Specifically crafted as an OEM CUMMINS component guaranteeing perfect...
    $541.49
    $494.66
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    Qty in Cart: 0
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    Price:
    $541.49
    $494.66
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  • CUMMINS 3376817 - EXPANSION PLUG INSTALLER - Original OEM part - Image 1
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    CUMMINS 3376817 EXPANSION PLUG INSTALLER Original OEM part

    CUMMINS

    $113.74
    $103.90
    Precision in Every Fit – Engineered to perfectly install expansion plugs, ensuring leak-free performance and maintenance ease. Durability That Lasts – Crafted from high-grade materials to withstand...
    $113.74
    $103.90
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    Price:
    $113.74
    $103.90
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  • CUMMINS 3376816 - EXPANSION PLUG INSTALLER - Original OEM part - Image 1
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    CUMMINS 3376816 EXPANSION PLUG INSTALLER Original OEM part

    CUMMINS

    $101.74
    $92.94
    Cummins 3376816 - EXPANSION PLUG INSTALLER MINS3376816 Get your hands on the 3376816 - EXPANSION PLUG INSTALLER by Cummins, SKU MINS3376816. Our store stands out as the top choice for authentic...
    $101.74
    $92.94
    Add to Cart
    Qty in Cart: 0
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    Price:
    $101.74
    $92.94
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  • CUMMINS 3376815 - EXPANSION PLUG INSTALLER - Original OEM part - Image 1
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    CUMMINS 3376815 EXPANSION PLUG INSTALLER Original OEM part

    CUMMINS

    $106.56
    $97.34
    Precision at the core of every Cummins solution. Engineered for flawless expansion plug installation. Durable construction that supports long-term engine health. Guaranteed genuine Cummins OEM...
    $106.56
    $97.34
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    $106.56
    $97.34
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  • CUMMINS 3376814 - EXPANSION PLUG INSTALLER - Original OEM part - Image 1
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    CUMMINS 3376814 EXPANSION PLUG INSTALLER Original OEM part

    CUMMINS

    $107.43
    $98.14
    Precision engineering for exact fit and enhanced durability Streamlines expansion plug installation to protect engine block integrity Ensures OEM quality and compatibility with Cummins...
    $107.43
    $98.14
    Add to Cart
    Qty in Cart: 0
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    Price:
    $107.43
    $98.14
    Subtotal:
  • CUMMINS 3376812 - EXPANSION PLUG INSTALLER Original OEM part - Original OEM part - Image 1
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    CUMMINS 3376812 EXPANSION PLUG INSTALLER Original OEM part - SUPERSEDED FROM ST1281

    CUMMINS

    $126.29
    $115.37
    Precision engineered for seamless Cummins service Durable construction for consistent, reliable installation Specially designed to fit Cummins expansion plugs accurately 100% genuine Cummins OEM...
    $126.29
    $115.37
    Add to Cart
    Qty in Cart: 0
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    Price:
    $126.29
    $115.37
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  • CUMMINS 3376793 - EXPANSION PLUG INSTALLER - Original OEM part - Image 1
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    CUMMINS 3376793 EXPANSION PLUG INSTALLER Original OEM part

    CUMMINS

    $135.80
    $124.06
    Precision engineered to deliver flawless installation every time Enhances engine longevity by securing expansion plugs with exact fit Manufactured as a 100% genuine OEM Cummins component for...
    $135.80
    $124.06
    Add to Cart
    Qty in Cart: 0
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    Price:
    $135.80
    $124.06
    Subtotal:
  • CUMMINS 3376790 - EXPANSION PLUG INSTALLER - Original OEM part - Image 1
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    CUMMINS 3376790 EXPANSION PLUG INSTALLER Original OEM part

    CUMMINS

    $123.33
    $112.66
    Precision crafted for seamless installation Ensures accurate placement reducing engine wear 100% genuine OEM Cummins quality and reliability CUMMINS 3376790 EXPANSION PLUG INSTALLER - Empower Your...
    $123.33
    $112.66
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $123.33
    $112.66
    Subtotal:
  • CUMMINS 3376058 - CUP PLUG DRIVER - Original OEM part - Image 1
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    CUMMINS 3376058 CUP PLUG DRIVER Original OEM part

    CUMMINS

    $899.70
    $821.88
    Engineered precision for uncompromising reliability Durable construction ensuring long-lasting service Seamless compatibility with Cummins power systems 100% Genuine OEM Cummins part guaranteeing...
    $899.70
    $821.88
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $899.70
    $821.88
    Subtotal:
  • CUMMINS 3375271 - TACH DRIVE CUPPG MANDREL - Original OEM part - Image 1
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    CUMMINS 3375271 TACH DRIVE CUPPG MANDREL Original OEM part

    CUMMINS

    $1,011.76
    $924.24
    Precision in every rotation, power in every moment. Engineered for exact tach drive engagement for superior signal accuracy. Durable design to withstand harsh operational conditions and extend...
    $1,011.76
    $924.24
    Add to Cart
    Qty in Cart: 0
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    Price:
    $1,011.76
    $924.24
    Subtotal:
  • CUMMINS 3336635 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3336635 THREADED PLUG Original OEM part

    CUMMINS

    $62.70
    $57.28
    Precision engineered for lasting sealing integrity Designed to maintain optimal engine fluid containment Authentic OEM Cummins part guarantees flawless compatibility CUMMINS 3336635 THREADED PLUG –...
    $62.70
    $57.28
    Add to Cart
    Qty in Cart: 0
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    Price:
    $62.70
    $57.28
    Subtotal:
  • CUMMINS 3336634 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3336634 THREADED PLUG Original OEM part

    CUMMINS

    $47.39
    $43.29
    Cummins 3336634 - THREADED PLUG MINS3336634 Discover the genuine 3336634 - THREADED PLUG by Cummins, available at our store with the SKU MINS3336634. Ensure the seamless operation of your outdoor...
    $47.39
    $43.29
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $47.39
    $43.29
    Subtotal:
  • CUMMINS 3332255 - PLUG,GEAR COVER - Original OEM part - Image 1
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    CUMMINS 3332255 PLUG,GEAR COVER Original OEM part

    CUMMINS

    $189.20
    $172.84
    Precision engineering for flawless performance Durable design to safeguard your gear system 100% genuine Cummins OEM component for guaranteed compatibility CUMMINS 3332255 PLUG,GEAR COVER – Empower...
    $189.20
    $172.84
    Add to Cart
    Qty in Cart: 0
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    Price:
    $189.20
    $172.84
    Subtotal:
  • CUMMINS 3332148 - ORING PLUG - Original OEM part - Image 1
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    CUMMINS 3332148 ORING PLUG Original OEM part

    CUMMINS

    $107.76
    $98.44
    Precision engineered to protect your engine’s integrity Durable sealing solution preventing leaks and performance loss 100% OEM quality from Cummins for assured compatibility and longevity Secure...
    $107.76
    $98.44
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $107.76
    $98.44
    Subtotal:
  • CUMMINS 3284164 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3284164 THREADED PLUG Original OEM part

    CUMMINS

    $139.20
    $127.16
    Precision engineered for optimal sealing and reliability. Robust design that withstands demanding operating conditions. Certified genuine OEM from Cummins, ensuring perfect compatibility and peak...
    $139.20
    $127.16
    Add to Cart
    Qty in Cart: 0
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    Price:
    $139.20
    $127.16
    Subtotal:
  • CUMMINS 3278093 - PIPE PLUG - Original OEM part - Image 1
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    CUMMINS 3278093 PIPE PLUG Original OEM part

    CUMMINS

    $16.24
    $14.83
    Precision engineered for seamless system integration Durable construction enhances engine reliability Manufactured as a genuine OEM part by Cummins for guaranteed compatibility Experience Unrivaled...
    $16.24
    $14.83
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $16.24
    $14.83
    Subtotal:
  • CUMMINS 3255208 - INJECTOR ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3255208 INJECTOR ORIFICE PLUG Original OEM part

    CUMMINS

    $37.03
    $33.82
    Precision engineered to deliver uncompromising fuel system integrity Enhances fuel atomization for superior engine performance and emissions control Durable OEM Cummins component ensuring perfect...
    $37.03
    $33.82
    Add to Cart
    Qty in Cart: 0
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    Price:
    $37.03
    $33.82
    Subtotal:
  • CUMMINS 3252266 - ORIFICE PLUG - Original OEM part - Image 1
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    CUMMINS 3252266 ORIFICE PLUG Original OEM part

    CUMMINS

    $54.89
    $50.15
    Cummins 3252266 - ORIFICE PLUG MINS3252266 Find the genuine 3252266 - ORIFICE PLUG by Cummins in our store. Trust in our commitment to offering authentic replacement parts for your outdoor equipment...
    $54.89
    $50.15
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $54.89
    $50.15
    Subtotal:
  • ONAN 323-0952 - 3230952 PLUG TWISTLOCK RCPT Original ONAN/CUMMINS OEM part - Original OEM part - Image 1
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    ONAN 3230952 PLUG TWISTLOCK RCPT Original ONAN/CUMMINS OEM part

    ONAN

    $21.46
    $19.60
    Cummins PLUG TWISTLOCK RCPT 323-0952 Discover the authentic "PLUG TWISTLOCK RCPT" from Cummins with SKU "323-0952" at our store, where we provide original replacement parts for outdoor equipment...
    $21.46
    $19.60
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $21.46
    $19.60
    Subtotal:
  • CUMMINS 3202101 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3202101 THREADED PLUG Original OEM part

    CUMMINS

    $51.25
    $46.82
    Cummins 3202101 - THREADED PLUG MINS3202101 Our store proudly offers the genuine Cummins 3202101 THREADED PLUG, known for its quality and compatibility with various outdoor equipment. Designed to...
    $51.25
    $46.82
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $51.25
    $46.82
    Subtotal:
  • CUMMINS 3201583 - THREADED PLUG - Original OEM part - Image 1
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    CUMMINS 3201583 THREADED PLUG Original OEM part

    CUMMINS

    $42.74
    $39.04
    Cummins 3201583 - THREADED PLUG MINS3201583 Find the genuine 3201583 - THREADED PLUG from Cummins at our store, your ultimate destination for original replacement parts. With a commitment to quality...
    $42.74
    $39.04
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $42.74
    $39.04
    Subtotal:
  • CUMMINS 3201568 - PLUG,COUPLING - Original OEM part - Image 1
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    CUMMINS 3201568 PLUG,COUPLING Original OEM part

    CUMMINS

    $246.10
    $224.82
    Cummins 3201568 - PLUG,COUPLING MINS3201568 Find high-quality and authentic 3201568 - PLUG, COUPLING from the leading brand, Cummins, at our online store. With fast shipping and the best price, our...
    $246.10
    $224.82
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $246.10
    $224.82
    Subtotal:
  • CUMMINS 3201206 - EXPANSION PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3201206 EXPANSION PLUG Original OEM part

    CUMMINS

    $12.77
    $11.67
    Cummins 3201206 - EXPANSION PLUG MINS3201206 Get the authentic 3201206 - EXPANSION PLUG by Cummins at our store. Crafted with precision, this product ensures optimal performance and longevity for...
    $12.77
    $11.67
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12.77
    $11.67
    Subtotal:
  • CUMMINS 3200968 - THREADED PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3200968 THREADED PLUG Original OEM part

    CUMMINS

    $8.56
    $7.82
    Precision engineered for Cummins excellence and unwavering durability Robust threaded design ensures leak-proof sealing under demanding conditions Crafted to maintain system integrity and prevent...
    $8.56
    $7.82
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8.56
    $7.82
    Subtotal:
  • CUMMINS 3164991 - PROTECTIVE PLUG - Original OEM part - Image 1
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    CUMMINS 3164991 PROTECTIVE PLUG Original OEM part

    CUMMINS

    $5.09
    $4.65
    Precision Protection for Peak Performance Durable construction designed to safeguard critical engine components Seamless integration ensuring optimal system efficiency 100% Cummins Genuine OEM part...
    $5.09
    $4.65
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.09
    $4.65
    Subtotal:
  • CUMMINS 3164928 - EXPANSION PLUG INSTALLER - Original OEM part - Image 1
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    CUMMINS 3164928 EXPANSION PLUG INSTALLER Original OEM part

    CUMMINS

    $35.14
    $32.10
    Precision-crafted for seamless installation and optimized engine maintenance Durable design promotes long service life and consistent performance under demanding conditions Genuine Cummins OEM...
    $35.14
    $32.10
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $35.14
    $32.10
    Subtotal:
  • CUMMINS 3164844 - PLUG - Original OEM part - Image 1
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    CUMMINS 3164844 PLUG Original OEM part

    CUMMINS

    $145.66
    $133.06
    Precision engineered for seamless integration and reliability Durable construction ensures long-lasting service under demanding conditions Maintains optimum engine performance and system safety 100%...
    $145.66
    $133.06
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $145.66
    $133.06
    Subtotal:
  • CUMMINS 3164583 - PLUG,FUEL TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3164583 PLUG,FUEL TUBE Original OEM part

    CUMMINS

    $100.65
    $91.94
    Cummins 3164583 - PLUG,FUEL TUBE MINS3164583 Find the genuine 3164583 - PLUG, FUEL TUBE from Cummins at our store, ensuring your outdoor equipment runs smoothly. We stand out as your top choice for...
    $100.65
    $91.94
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $100.65
    $91.94
    Subtotal:
  • CUMMINS 3164371 - EXPANSION PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3164371 EXPANSION PLUG Original OEM part

    CUMMINS

    $26.56
    $24.26
    Precision-crafted for lasting engine integrity and unmatched reliability Engineered to deliver perfect sealing and withstand extreme operating conditions Designed for seamless fit and compatibility...
    $26.56
    $24.26
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $26.56
    $24.26
    Subtotal:
  • CUMMINS 3102853 - ORIFICE PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3102853 ORIFICE PLUG Original OEM part

    CUMMINS

    $188.15
    $171.87
    Precision-engineered for flawless integration and dependable operation Designed to maintain fuel system integrity and optimize engine performance Manufactured by Cummins as an original equipment...
    $188.15
    $171.87
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $188.15
    $171.87
    Subtotal:
  • CUMMINS 3101498 - THREADED PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3101498 THREADED PLUG Original OEM part

    CUMMINS

    $16.45
    $15.03
    Precision-engineered for flawless sealing and maximum system integrity Durable design that withstands high pressure and temperature extremes Guaranteed genuine OEM quality from Cummins to maintain...
    $16.45
    $15.03
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $16.45
    $15.03
    Subtotal:
  • CUMMINS 3101323 - BALL PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3101323 BALL PLUG Original OEM part

    CUMMINS

    $34.79
    $31.78
    Precision sealing for dependable engine integrity Engineered to withstand harsh operational conditions 100% genuine OEM Cummins component guaranteeing perfect fit and durability CUMMINS 3101323...
    $34.79
    $31.78
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $34.79
    $31.78
    Subtotal:
  • CUMMINS 3096388 - THREADED PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3096388 THREADED PLUG Original OEM part

    CUMMINS

    $663.62
    $606.21
    Engineered for enduring reliability and seamless integration Precision-threaded design ensures leak-free sealing under demanding conditions Corrosion-resistant materials contribute to extended...
    $663.62
    $606.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $663.62
    $606.21
    Subtotal:
  • CUMMINS 3094924 - EXPANSION PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3094924 EXPANSION PLUG Original OEM part

    CUMMINS

    $16.39
    $14.98
    Precision engineered for uncompromising durability and compatibility Ensures optimal sealing to protect your engine from leaks and corrosion Manufactured to exact OEM standards for seamless...
    $16.39
    $14.98
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $16.39
    $14.98
    Subtotal:
  • CUMMINS 3094445 - PIPE PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3094445 PIPE PLUG Original OEM part

    CUMMINS

    $421.95
    $385.45
    Unmatched durability for lasting peace of mind Precision-engineered to ensure perfect compatibility OEM quality from Cummins guaranteeing safety and performance Trust in parts designed to protect...
    $421.95
    $385.45
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $421.95
    $385.45
    Subtotal:
  • CUMMINS 3094340 - THREADED PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3094340 THREADED PLUG Original OEM part

    CUMMINS

    $59.30
    $54.18
    Trusted Precision Engineering – Ensure seamless integration with your Cummins engine using this expertly crafted threaded plug. Robust Durability – Designed to withstand demanding conditions, it...
    $59.30
    $54.18
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $59.30
    $54.18
    Subtotal:
  • CUMMINS 3094042 - THREADED PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3094042 THREADED PLUG Original OEM part

    CUMMINS

    $214.77
    $196.19
    Precision engineered to fortify your power system with uncompromising reliability. Highly durable construction ensures long-lasting sealing and leak prevention. Optimized for exact compatibility...
    $214.77
    $196.19
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $214.77
    $196.19
    Subtotal:
  • CUMMINS 3094028 - EXPANSION PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3094028 EXPANSION PLUG Original OEM part

    CUMMINS

    $18.00
    $16.45
    Cummins 3094028 - EXPANSION PLUG MINS3094028 With the genuine 3094028 - EXPANSION PLUG from Cummins, you can ensure top-notch performance and longevity for your outdoor equipment. Our store offers...
    $18.00
    $16.45
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $18.00
    $16.45
    Subtotal:
  • CUMMINS 3093971 - THREADED PLUG - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3093971 THREADED PLUG Original OEM part

    CUMMINS

    $20.63
    $18.84
    Engineered Precision for Ultimate Reliability Resistant to high pressure and temperature extremes for prolonged operation Designed exclusively as a genuine OEM Cummins component to ensure seamless...
    $20.63
    $18.84
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.63
    $18.84
    Subtotal:
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