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.
- Drain Plugs
- Expansion Plugs
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Glow Plugs
- Hole Plugs
- Injector Orifice Plugs
- O-Ring Plugs
- Orifice Plugs
- Pipe Plugs
- Protective Plugs
- Retainer Plugs
- Threaded Plugs
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CUMMINS 5365328 ORING PLUG Original OEM part
CUMMINS
$11.55$10.55Precision-engineered sealing for optimal engine protection Durable materials built to withstand demanding operating conditions Guaranteed genuine OEM part from Cummins for full system...$11.55$10.55 -
CUMMINS 5362501 EXPANSION PLUG Original OEM part
CUMMINS
$6.63$6.05Precision engineered for reliable engine sealing High-grade materials designed to withstand extreme conditions Certified OEM Cummins quality ensuring perfect fit and function CUMMINS 5362501...$6.63$6.05 -
CUMMINS 5333468 PIPE PLUG Original OEM part
CUMMINS
$5.99$5.48Precision engineered for uncompromising system integrity Durable construction ensures long service life even in demanding conditions Designed exclusively as an OEM component by Cummins for...$5.99$5.48 -
CUMMINS 5311248 ORIFICE PLUG Original OEM part
CUMMINS
$63.74$58.23Precision-engineered reliability: Crafted to exact Cummins specifications for seamless integration. Enhances system efficiency: Controls fuel and airflow for optimal engine performance. Durable OEM...$63.74$58.23 -
CUMMINS 5299991 PLUG,CYLINDER BORE Original OEM part
CUMMINS
$1,144.84$1,045.81Precision engineered to maintain engine integrity and performance Durable and resistant to high-pressure environments inside the cylinder bore 100% genuine Cummins OEM component for guaranteed...$1,144.84$1,045.81 -
CUMMINS 5299555 PROTECTIVE PLUG Original OEM part
CUMMINS
$3.92$3.58Engineered to perfection to safeguard your power system integrity Durable design that maintains effective sealing under extreme conditions 100% authentic OEM from Cummins, guaranteeing full...$3.92$3.58 -
CUMMINS 5299553 PROTECTIVE PLUG Original OEM part
CUMMINS
$3.92$3.58Engineered Protection for Peak Performance Durable Construction to Guard Vital Components Precision Fitment Ensures Leak-Free Sealing 100% Genuine OEM CUMMINS Part for Total Compatibility CUMMINS...$3.92$3.58 -
CUMMINS 5299227 LEAK TEST PLUG Original OEM part
CUMMINS
$1,671.50$1,526.92Precision Sealing for Leak-Free Operation Durable construction designed to withstand harsh engine conditions Certified OEM component from CUMMINS, guaranteeing exact fit and performance CUMMINS...$1,671.50$1,526.92 -
CUMMINS 5299205 THREADED PROTECTIVE PLUG Original OEM part
CUMMINS
$81.55$74.50Designed for absolute system integrity and durability. Provides superior sealing to guard against contaminants. Manufactured to exact Cummins OEM specifications for flawless fit and function...$81.55$74.50 -
CUMMINS 5299189 LEAK TEST PLUG Original OEM part
CUMMINS
$1,779.00$1,625.12Unwavering Integrity: Engineered for perfect sealing to maintain system pressure and prevent leaks. Long-Lasting Durability: Crafted to withstand demanding operational environments, ensuring...$1,779.00$1,625.12 -
CUMMINS 5299140 PROTECTIVE PLUG Original OEM part
CUMMINS
$6.83$6.24Cummins 5299140 - PROTECTIVE PLUG MINS5299140 Discover the authentic Cummins 5299140 - PROTECTIVE PLUG at our store, your ultimate destination for high-quality replacement parts. Engineered to...$6.83$6.24 -
CUMMINS 5298879 PROTECTIVE CAP Original OEM part PACK OF 4
CUMMINS
$24.40$22.29Precision protection engineered by Cummins to safeguard your power system. Durable material designed to withstand harsh conditions and extend component life. Ensures optimal sealing and prevents...$24.40$22.29 -
CUMMINS 5298545 EXPANSION PLUG INSTALLER Original OEM part
CUMMINS
$262.00$239.34Precision Engineering for Lasting Performance Reliable Installation Tool for Expansion Plugs Durable construction for long-term use 100% Genuine Cummins OEM for guaranteed compatibility CUMMINS...$262.00$239.34 -
CUMMINS 5298544 EXPANSION PLUG INSTALLER Original OEM part
CUMMINS
$208.38$190.36Engineered for durability and precision installation, ensuring flawless engine maintenance every time Designed to simplify the installation of expansion plugs, reducing downtime and improving...$208.38$190.36 -
CUMMINS 5297086 THREADED PLUG Original OEM part
CUMMINS
$38.02$34.73Precision Engineered for Enduring Reliability Designed to Maintain System Integrity Under the Harshest Conditions Corrosion-Resistant Threaded Plug to Protect Critical Components Certified genuine...$38.02$34.73 -
CUMMINS 5296543 PROTECTIVE PLUG Original OEM part
CUMMINS
$41.45$37.86Engineered Precision for Ultimate Protection: Shield key engine ports with the CUMMINS 5296543 Protective Plug, designed to prevent contamination and maintain system integrity. Durable Material...$41.45$37.86 -
CUMMINS 5296520 PLUG,CYLINDER BORE Original OEM part
CUMMINS
$1,230.14$1,123.73Engineered for Reliability: Designed to fit seamlessly within your Cummins system, ensuring superior sealing performance and engine health. Durability That Lasts: Crafted from premium materials to...$1,230.14$1,123.73 -
CUMMINS 5296519 PLUG,CYLINDER BORE Original OEM part
CUMMINS
$635.24$580.29Engineered for Excellence: Precision-crafted to maintain cylinder integrity and engine efficiency. Durability that Endures: Designed to withstand demanding operational conditions and extend engine...$635.24$580.29 -
CUMMINS 5291831 THREADED PLUG Original OEM part
CUMMINS
$12.34$11.27Engineered for Absolute Integrity and Performance Precision-Machined for Perfect Compatibility Designed to Withstand Extreme Conditions Authentic Cummins OEM Part for Guaranteed Quality CUMMINS...$12.34$11.27 -
CUMMINS 5290511 ZINC ELECTRODE PLUG Original OEM part
CUMMINS
$72.29$66.04Engineered for longevity and peak corrosion resistance Ensures superior protection against galvanic corrosion in Cummins generators Precisely manufactured as a genuine OEM Cummins component for...$72.29$66.04 -
CUMMINS 5289535 PIPE PLUG Original OEM part
CUMMINS
$91.07$83.19Engineered precision meets enduring reliability. Seals critical engine ports to prevent leaks and maintain optimal pressure. Manufactured to exact Cummins specifications ensuring seamless...$91.07$83.19 -
CUMMINS 5284749 THREADED PLUG Original OEM part
CUMMINS
$57.02$52.08Cummins 5284749 - THREADED PLUG MINS5284749 Find the perfect fit for your lawn mower with the Cummins 5284749 - THREADED PLUG, ideal for replacing worn-out parts. With our store, you can trust that...$57.02$52.08 -
CUMMINS 5284227 THREADED PLUG Original OEM part
CUMMINS
$22.76$20.79Precision engineered for seamless integration Durable construction resists wear and protects critical engine components 100% genuine OEM part ensuring full compatibility and compliance Elevate Your...$22.76$20.79 -
CUMMINS 5284000 THREADED PLUG Original OEM part
CUMMINS
$48.13$43.96Cummins 5284000 - THREADED PLUG MINS5284000 Unleash the power of your outdoor equipment with the authentic 5284000 - THREADED PLUG from Cummins. Ensure optimal performance and durability with this...$48.13$43.96 -
CUMMINS 5273979 THREADED PLUG Original OEM part
CUMMINS
$6.19$5.66Engineered for Precision: Experience the unmatched fit and durability unique to Cummins OEM components. Sealing Integrity: Designed to prevent leaks and maintain optimal system pressure under...$6.19$5.66 -
CUMMINS 5267095 THREADED PLUG Original OEM part
CUMMINS
$9.20$8.41Reliability engineered to empower your Cummins engine’s peak performance Precision threading ensures a secure, leak-free seal High-grade material construction resists wear and corrosion 100% genuine...$9.20$8.41 -
CUMMINS 5265739 THREADED PLUG Original OEM part
CUMMINS
$7.32$6.68Cummins 5265739 - THREADED PLUG MINS5265739 Find the authentic Cummins 5265739 - THREADED PLUG at our store, ensuring top-notch quality and a perfect fit for your outdoor equipment. Trust in our...$7.32$6.68 -
CUMMINS 5263672 EXPANSION PLUG Original OEM part
CUMMINS
$12.95$11.83Engineered for Endurance: Precision-crafted to uphold Cummins' high standards in performance and durability. Seamless Compatibility: Guaranteed fit for consistent engine integrity and optimal...$12.95$11.83 -
CUMMINS 5261993 PIPE PLUG Original OEM part
CUMMINS
$97.63$89.18Precision sealing for optimized engine performance Engineered to withstand high pressure and temperature extremes Authentic Cummins OEM component guaranteeing perfect fit and reliability CUMMINS...$97.63$89.18 -
CUMMINS 5259561 THREADED PLUG Original OEM part
CUMMINS
$8.10$7.40Engineered for lasting reliability and precision fit Essential component for optimal engine sealing and protection 100% genuine OEM part from Cummins ensuring uncompromised quality CUMMINS 5259561...$8.10$7.40 -
CUMMINS 5254851 ORING PLUG Original OEM part
CUMMINS
$9.93$9.07Engineered for enduring sealing performance under high-pressure conditions Precision-crafted from premium materials to prevent leaks and maintain system efficiency Manufactured as a genuine OEM part...$9.93$9.07 -
ONAN 505105001 SQ HD PIPE PLUG Original ONAN/CUMMINS OEM part
ONAN
$220.10$201.07Cummins SQ HD PIPE PLUG 505-1050-01 Discover the genuine Cummins SQ HD PIPE PLUG with SKU 505-1050-01 at our store. Crafted with precision, this high-quality replacement part ensures optimal...$220.10$201.07 -
ONAN 50268 1/8 IN BSP BLANKING PLUG Original ONAN/CUMMINS OEM part
ONAN
$4.39$4.01Engineered for flawless integration and enduring protection Precision sealing capability to prevent leaks and safeguard system integrity Durable OEM construction tailored specifically for ONAN power...$4.39$4.01 -
CUMMINS 501390 THREADED PLUG Original OEM part
CUMMINS
$37.89$34.62Engineered to perfection for uncompromising reliability Precision-thread design ensures leak-proof operation under demanding conditions Robust material composition guarantees long service life and...$37.89$34.62 -
CUMMINS 4992508 THREADED PLUG Original OEM part
CUMMINS
$33.28$30.40Engineered to safeguard your power investment with uncompromising precision. Durable, corrosion-resistant design prevents leaks and maintains system integrity under pressure. Precision threading...$33.28$30.40 -
CUMMINS 4990975 THREADED PLUG Original OEM part
CUMMINS
$143.65$131.22Precision engineered for unmatched sealing performance Durable design to withstand harsh operating conditions 100% genuine OEM CUMMINS part for guaranteed compatibility and reliability CUMMINS...$143.65$131.22 -
CUMMINS 4989843 EXPANSION PLUG Original OEM part
CUMMINS
$10.07$9.20Engineered for excellence, built to last — trust in Cummins integrity. Precision sealing technology designed to safeguard engine components from leaks and contamination. Durable corrosion-resistant...$10.07$9.20 -
CUMMINS 4982956 PIPE PLUG Original OEM part
CUMMINS
$12.65$11.56Precision engineered to protect, perform, and preserve your power system integrity. Robust material construction ensures outstanding resistance to wear and environmental stress. Exact fit guarantees...$12.65$11.56 -
CUMMINS 4982843 PIPE PLUG Original OEM part
CUMMINS
$7.97$7.28Engineered Precision for Long-Lasting Integrity Corrosion-Resistant Design for Harsh Operating Conditions 100% OEM Part from Cummins Ensuring Full Compatibility CUMMINS 4982843 PIPE PLUG—Empower...$7.97$7.28 -
CUMMINS 4982624 EXPANSION PLUG Original OEM part
CUMMINS
$4.95$4.52Precision engineered to maintain engine integrity and prevent leaks under high pressure. Designed for optimal durability to support prolonged engine lifespan and reduce maintenance frequency...$4.95$4.52