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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ONAN 1819227 OIL DRAIN PLUG ONAN Genuine OEM Part
ONAN
$12.25$11.19Guaranteed genuine ONAN OEM part for unmatched compatibility Facilitates efficient oil drainage to maintain engine health Supports leak-proof sealing critical for engine longevity Ensuring...$12.25$11.19 -
CUMMINS 3900956 EXPANSION PLUG CUMMINS Genuine OEM Part PACK OF 2
CUMMINS
$17.90$16.36Authentic Cummins OEM expansion plug designed for precise engine compatibility. Ensures effective sealing of engine coolant passages to prevent leaks. Supports engine longevity by maintaining...$17.90$16.36 -
ONAN A061Y859 DRAIN PLUG ONAN Genuine OEM Part
ONAN
$3.74$3.42Authentic OEM ONAN A061Y859 drain plug engineered specifically for your Cummins Onan generator. Effectively seals engine oil reservoirs to prevent leaks and contamination. Ensures optimal engine...$3.74$3.42 -
ONAN 1810490 DRAIN PLUG ONAN Genuine OEM Part
ONAN
$8.62$7.87100% Genuine ONAN OEM Drain Plug crafted to exact standards Efficiently seals your generator’s oil drain, preventing leaks and contamination Designed to maintain proper engine lubrication system...$8.62$7.87 -
CUMMINS 5528109 THREADED PLUG Original OEM part
CUMMINS
$19.65$17.95This is a genuine CUMMINS 5528109 threaded plug made from high-grade metal, ensuring OEM standards and reliability. It provides a secure seal to critical engine components, preventing leaks...$19.65$17.95 -
ONAN 1852289 12VDC PLUG GLOW Original ONAN/CUMMINS OEM part
ONAN
$70.20$64.13Power your system with confidence using genuine ONAN precision engineering. Durable 12VDC plug glow design ensures reliable engine starts in all conditions. Maintains emission standards and fuel...$70.20$64.13 -
ONAN 5020153 PIPE PLUG ONAN Genuine OEM Part
ONAN
$4.09$3.74Authentic ONAN OEM component designed for perfect fit and function Effectively seals pipe openings to maintain system integrity and prevent leaks Durable construction ensures long-lasting...$4.09$3.74 -
CUMMINS 3945095 EXPANSION PLUG Original OEM part
CUMMINS
$10.20$9.32Dependable sealing for optimal engine integrity Precision engineered to fit seamlessly within Cummins power systems Genuine OEM component ensuring uncompromised performance and warranty...$10.20$9.32 -
CUMMINS 3376792 EXPANSION PLUG INSTALLER Original OEM part
CUMMINS
$103.65$94.68Precision in every fit, reliability in every install Crafted specifically for secure and accurate installation of expansion plugs Ensures longevity and prevents engine leakage through perfect plug...$103.65$94.68 -
ONAN A063H419 PLUG ONAN Genuine OEM Part
ONAN
$26.53$24.23Guaranteed Genuine OEM ONAN component ensuring perfect compatibility Provides a secure and leak-free seal to maintain optimal system integrity Enhances overall generator reliability by preventing...$26.53$24.23 -
ONAN 517013809 PLUG ONAN Genuine OEM Part
ONAN
$8.45$7.72Guaranteed Genuine ONAN OEM component engineered for precision fit. Essential for sealing and protecting engine components from contaminants. Designed to support optimal engine performance and...$8.45$7.72 -
CUMMINS 3932302 THREADED PLUG Original OEM part
CUMMINS
$56.90$51.98Precision-engineered sealing for optimal system integrity Durable construction designed to withstand harsh operating conditions Certified OEM quality from Cummins ensuring perfect fit and...$56.90$51.98 -
ONAN 1856046 DRAIN PLUG ONAN Genuine OEM Part
ONAN
$35.83$32.73Engineered as a Genuine ONAN OEM component for exact compatibility Facilitates effective draining of fluids to maintain engine cleanliness Ensures proper sealing to prevent leaks and protect...$35.83$32.73 -
ONAN 5170131 PLUG HOLE BLK NYLON Original ONAN/CUMMINS OEM part
ONAN
$7.08$6.47Cummins PLUG HOLE BLK NYLON 517-0131 Discover the genuine Cummins PLUG HOLE BLK NYLON with SKU 517-0131, exclusively available at our store. Engineered to precise specifications, this high-quality...$7.08$6.47 -
CUMMINS 3905401 EXPANSION PLUG Original OEM part PACK OF 2
CUMMINS
$25.79$23.56Cummins 3905401 - EXPANSION PLUG MINS3905401 Our store proudly offers the genuine Cummins 3905401 - EXPANSION PLUG, ensuring top-notch quality for your outdoor equipment needs. With our commitment...$25.79$23.56 -
CUMMINS 3900958 EXPANSION PLUG Original OEM part
CUMMINS
$10.16$9.28Precision engineered for uncompromising reliability Robust corrosion resistance for extended engine life Seamlessly compatible with Cummins engine systems Certified genuine OEM component by Cummins...$10.16$9.28 -
CUMMINS 5260019 ORING PLUG CUMMINS Genuine OEM Part
CUMMINS
$23.87$21.81Genuine OEM part manufactured specifically for Cummins engines ensuring perfect compatibility and durability. Designed to provide a secure seal preventing leaks in engine and generator assemblies...$23.87$21.81 -
ONAN A040P918 GLOW PLUG ONAN Genuine OEM Part
ONAN
$395.70$361.48100% Genuine ONAN OEM Glow Plug, engineered specifically for Cummins Onan systems Enhances cold start capability by providing rapid pre-heating of combustion chambers Improves combustion efficiency,...$395.70$361.48 -
CUMMINS 3924147 THREADED PLUG CUMMINS Genuine OEM Part
CUMMINS
$24.44$22.32Certified as a Genuine OEM Cummins Component ensuring perfect fit and finish. Engineered to provide a reliable seal, preventing leaks and protecting engine internals. Built for robustness,...$24.44$22.32 -
CUMMINS 3698081 THREADED PLUG Original OEM part
CUMMINS
$6.53$5.96Cummins 3698081 - THREADED PLUG MINS3698081 Discover the authentic Cummins 3698081 - THREADED PLUG, SKU MINS3698081, at our store where quality meets affordability. Engineered with precision, this...$6.53$5.96 -
CUMMINS 3063779 THREADED PLUG Original OEM part
CUMMINS
$22.15$20.23Precision engineered for unwavering reliability under the toughest conditions Durable corrosion-resistant design ensures long service life Perfect OEM fit guarantees seamless integration with...$22.15$20.23 -
On Sale
ONAN 1855826 PLUG ONAN Genuine OEM Part
ONAN
$10.19$8.15$9.31The ONAN 185-5826 is a high-quality plug made from durable materials, supplied as a genuine OEM part. This plug serves a critical wiring and connection function within ONAN generators and...$10.19$8.15$9.31 -
CUMMINS 4918464 PLUG,FUEL TUBE Original OEM part
CUMMINS
$101.05$92.31Engineered for Excellence and Endurance Precision-Machined to Guarantee a Leak-Free Fuel System Built to Withstand Harsh Operating Conditions and Maintain Fuel Integrity 100% Genuine OEM Cummins...$101.05$92.31 -
CUMMINS 3942766 THREADED PLUG Original OEM part
CUMMINS
$237.88$217.31Precision engineered for uncompromising reliability Durable construction designed to withstand demanding engine conditions Ensures a secure seal to maintain system integrity and prevent...$237.88$217.31 -
CUMMINS 3688114 PLUG,GEAR COVER Original OEM part
CUMMINS
$19.80$18.09Precision Engineered for Dependability – Designed to maintain essential gear cover integrity under demanding conditions. Durable Construction – Built to withstand heat, pressure, and mechanical...$19.80$18.09 -
CUMMINS 3089567 THREADED PLUG CUMMINS Genuine OEM Part
CUMMINS
$23.14$21.14Certified genuine Cummins OEM component guaranteeing precise fit and durability. Designed to provide a robust seal preventing fluid leaks in critical engine systems. Ensures long-lasting engine...$23.14$21.14 -
ONAN 3231933 RESISTOR PLUG ASSEMBLY ONAN Genuine OEM Part
ONAN
$29.09$26.58Authentic ONAN OEM replacement part designed for precise compatibility Ensures stable electrical resistance for consistent ignition control Enhances generator reliability under variable load...$29.09$26.58 -
ONAN 517004801 WELCH EXPANSION PLUG ONAN Genuine OEM Part
ONAN
$8.89$8.12Authentic ONAN genuine OEM component ensuring precise fit and function Designed to effectively seal cooling system ports, preventing leaks and maintaining engine integrity Constructed to withstand...$8.89$8.12 -
CUMMINS 4938189 EXPANSION PLUG Original OEM part PACK OF 2
CUMMINS
$28.79$26.30Precision-engineered reliability tailored for Cummins power systems High-quality materials ensure resistance against corrosion and wear Critical component for maintaining engine block integrity and...$28.79$26.30 -
CUMMINS 3922072 EXPANSION PLUG Original OEM part PACK OF 3
CUMMINS
$34.89$31.88Cummins 3922072 - EXPANSION PLUG MINS3922072 Discover the genuine Cummins 3922072 - EXPANSION PLUG available at our store. Expertly engineered to ensure optimal performance for your outdoor...$34.89$31.88 -
CUMMINS 3900687 EXPANSION PLUG Original OEM part
CUMMINS
$12.50$11.42Engineered Precision, Trusted Reliability High-strength corrosion resistance for extended service life Designed to maintain optimal engine sealing and prevent leakages 100% genuine Cummins OEM part...$12.50$11.42 -
CUMMINS 3013786 PIPE PLUG Original OEM part
CUMMINS
$10.88$9.94Engineered Excellence Meets Lasting Reliability Precisely Crafted for Secure Sealing in High-Pressure Systems Corrosion-Resistant Material Ensures Long Service Life 100% Genuine OEM Cummins...$10.88$9.94 -
CUMMINS 5362092 EXPANSION PLUG Original OEM part
CUMMINS
$12.39$11.32Engineered Excellence Meets Durability Precision fit for flawless sealing in your Cummins engine Built to withstand extreme conditions and prevent leaks Authentic OEM Cummins part ensuring...$12.39$11.32 -
CUMMINS 5343291 ORING PLUG Original OEM part
CUMMINS
$11.04$10.08Engineered to preserve power and performance in every operation Precision-crafted sealing for optimal engine efficiency Durable material composition ensuring extended service life Official OEM part...$11.04$10.08 -
CUMMINS 5272172 ORING PLUG Original OEM part
CUMMINS
$50.92$46.51Trust in engineered precision for enduring engine protection Designed to maintain optimal sealing under high pressure Manufactured as a genuine OEM Cummins component for guaranteed...$50.92$46.51 -
CUMMINS 4933532 PIPE PLUG Original OEM part
CUMMINS
$11.43$10.44Cummins 4933532 - PIPE PLUG MINS4933532 Find the authentic 4933532 - PIPE PLUG by Cummins at our store, where quality meets affordability. Our commitment to delivering genuine parts ensures your...$11.43$10.44 -
CUMMINS 4089675 SOLID PLUG Original OEM part
CUMMINS
$224.89$205.44Engineered for Excellence: Delivering unmatched durability and seamless fit for your Cummins power system. Precision Manufacturing: Crafted to maintain optimal sealing and prevent leaks, ensuring...$224.89$205.44 -
CUMMINS 3957921 ZINC ELECTRODE PLUG Original OEM part
CUMMINS
$71.69$65.49Precision engineered for enduring power system protection Delivers superior corrosion resistance to safeguard your Cummins equipment Maintains optimal engine health with exact OEM...$71.69$65.49 -
CUMMINS 3905368 EXPANSION PLUG Original OEM part
CUMMINS
$15.13$13.82Cummins 3905368 - EXPANSION PLUG MINS3905368 Upgrade your outdoor equipment with the 3905368 - EXPANSION PLUG by Cummins, a genuine replacement part guaranteed to fit seamlessly. Trust in our store...$15.13$13.82 -
CUMMINS 3822372 CUP PLUG DRIVER Original OEM part
CUMMINS
$131.79$120.39Precision engineering for seamless integration – every component designed to fit perfectly and perform reliably. Durable construction ensuring long-lasting operation that withstands demanding...$131.79$120.39