Gaskets
Genuine Gaskets for Diesel Engines – Onan, Cummins & Fleetguard
Maintain optimal seal integrity and engine performance with our premium selection of genuine gaskets. Specifically engineered for Onan, Cummins, and Fleetguard diesel engines, these replacement gaskets ensure leak-proof operation and long-lasting reliability.
Gaskets for Durable, Leak-Free Diesel Engines | Genuine Onan, Cummins & Fleetguard Parts
Our comprehensive gasket range includes head gaskets, exhaust gaskets, and oil pan gaskets, crafted from high-quality materials to withstand extreme heat and pressure. Each gasket provides a precise fit to preserve engine efficiency and prevent costly downtime.
- Authentic Quality: OEM-grade gaskets guaranteeing compatibility and durability.
- Wide Compatibility: Perfectly suited for Onan, Cummins, and Fleetguard engine models.
- Enhanced Engine Protection: Prevent leaks and maintain optimal engine performance.
Why Choose Our Gaskets? Trust our genuine parts to deliver unmatched reliability, expert craftsmanship, and seamless integration—ensuring your diesel engine runs smoothly and efficiently every time.
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ONAN 1460792 CARBURETOR GASKET KIT Original ONAN/CUMMINS OEM part
ONAN
$27.88$25.47Cummins CARBURETOR GASKET KIT 146-0792 Find original Cummins CARBURETOR GASKET KIT with SKU 146-0792 at our store. Made with precision, this gasket kit ensures a perfect seal for your engine. Rest...$27.88$25.47 -
ONAN 1542769 INTAKE EXHAUST GASKET ONAN Genuine OEM Part PACK OF 2
ONAN
$16.08$14.69Certified Genuine ONAN OEM Component Ensures airtight seal between intake and exhaust manifolds Facilitates optimal engine efficiency and reduces emissions Preserves system reliability and supports...$16.08$14.69 -
CUMMINS 3697750 EXHAUST MANIFOLD GASKET Original OEM part
CUMMINS
$65.33$59.68Engineered for precision and endurance Ensures leak-proof exhaust sealing for peak engine performance Authentic OEM part from Cummins for guaranteed compatibility Trust the Heart of Your Powertrain...$65.33$59.68 -
ONAN 1220771 TEXT OIL FILTER ADAPTER GASKET ONAN Genuine OEM Part
ONAN
$14.80$13.52Guaranteed Genuine ONAN OEM Component Seals oil filter adapter to prevent leaks and ensure proper engine lubrication Maintains engine health and contributes to efficient fuel use Authentic parts...$14.80$13.52 -
ONAN A028X874 TEXT EXHAUST GASKET ONAN Genuine OEM Part
ONAN
$17.44$15.93Certified Genuine ONAN replacement part engineered for seamless fit and function. Effectively seals the exhaust system to prevent leaks, ensuring safe operation. Enhances engine efficiency by...$17.44$15.93 -
ONAN 1866190 GASKET THERMO COVER HOUSING G ONAN Genuine OEM Part
ONAN
$11.88$10.86Guaranteed Genuine ONAN OEM component for superior reliability Seals the thermo cover housing to maintain engine cooling efficiency Prevents leaks and preserves internal engine integrity under...$11.88$10.86 -
CUMMINS 3897783 FUEL PUMP GASKET Original OEM part
CUMMINS
$18.76$17.14Precision engineered for seamless power delivery Durable construction ensures long-lasting sealing performance Designed as an authentic OEM part from CUMMINS for guaranteed compatibility CUMMINS...$18.76$17.14 -
ONAN 1320346 WATER PUMP GASKET ONAN Genuine OEM Part
ONAN
$14.55$13.29Certified Genuine ONAN OEM Replacement Part Designed to provide a tight, leak-free seal for effective coolant circulation Ensures the integrity and longevity of your generator’s water pump...$14.55$13.29 -
ONAN 1855661 GASKET ONAN Genuine OEM Part
ONAN
$8.82$8.05100% Genuine ONAN OEM part ensuring perfect fit and durability Provides a critical seal to prevent leaks and maintain engine performance Enhances longevity and efficiency of your Onan generator...$8.82$8.05 -
ONAN 1460531 INSULATOR GASKET ONAN Genuine OEM Part
ONAN
$8.28$7.57Genuine ONAN OEM part designed for seamless compatibility and superior durability Effectively insulates engine components to reduce heat transfer and prevent damage Helps maintain optimal engine...$8.28$7.57 -
ONAN 1542799 EXHAUST GASKET Original ONAN/CUMMINS OEM part
ONAN
$6.80$6.22Engineered for precision and endurance — trust the power of Onan’s craftsmanship Optimal sealing performance to prevent exhaust leaks and maintain engine efficiency Durable material composition...$6.80$6.22 -
ONAN A050X455 ROCKER COVER GASKET ONAN Genuine OEM Part
ONAN
$5.86$5.35Genuine ONAN replacement part engineered to meet exact specifications Seals the rocker cover to prevent oil leaks and maintain engine efficiency Durably crafted to withstand heat and pressure under...$5.86$5.35 -
ONAN 1856579 PUMP COVER GASKET ONAN Genuine OEM Part
ONAN
$16.86$15.40Authentic OEM part manufactured to exact Cummins/Onan specifications. Provides a reliable seal to prevent fluid leaks in your generator’s pump assembly. Maintains system pressure and safeguards...$16.86$15.40 -
ONAN 1450695 CARBURETOR FLANGE GASKET ONAN Genuine OEM Part
ONAN
$37.74$34.47Genuine ONAN OEM replacement part for guaranteed compatibility and quality Ensures airtight sealing between carburetor flange and engine manifold, preventing leaks Enhances engine efficiency and...$37.74$34.47 -
ONAN 1030810 GEARCASE GASKET ONAN Genuine OEM Part
ONAN
$21.26$19.42Engineered as a Genuine ONAN OEM replacement part to ensure perfect fit and performance Designed to provide a reliable, leak-proof seal in the gearcase, protecting internal components from...$21.26$19.42 -
ONAN 1010809 REAR BEARING PLATE GASKET ONAN Genuine OEM Part
ONAN
$16.70$15.26Authentic ONAN OEM component ensuring precise compatibility Seals the rear bearing plate to prevent leaks and maintain engine integrity Protects critical engine parts from contaminants and preserves...$16.70$15.26 -
On Sale
ONAN 1855158 HEAD COVER GASKET ONAN Genuine OEM Part
ONAN
$13.08$11.47$11.95ONAN 185-5158 head cover gasket made from high-quality materials for an exact OEM fit Provides a secure seal to prevent oil leaks and protect engine components effectively Constructed for...$13.08$11.47$11.95 -
On Sale
ONAN 1542542 EXHAUST MANIFOLD GASKET ONAN Genuine OEM Part
ONAN
$5.70$5.00$5.21ONAN 154-2542 is a high-quality exhaust manifold gasket made from premium heat-resistant materials, ensuring a perfect OEM fit. This gasket provides a reliable seal between the exhaust manifold...$5.70$5.00$5.21 -
ONAN A063H353 GASKET ONAN Genuine OEM Part
ONAN
$57.88$52.88Engineered as a Genuine Onan OEM Part for assured compatibility Provides a critical seal to prevent leaks and maintain optimal engine compression Helps preserve engine health by resisting wear and...$57.88$52.88 -
CUMMINS 3930906 VALVE COVER GASKET CUMMINS Genuine OEM Part PACK OF 2
CUMMINS
$43.37$39.62Genuine OEM Cummins component designed for perfect fit and performance Ensures superior sealing to prevent oil leaks and maintain engine integrity Contributes to maintaining optimal engine...$43.37$39.62 -
CUMMINS 206277 INTAKE MANIFOLD GASKET Original OEM part PACK OF 6
CUMMINS
$82.14$75.03Precision engineered to uphold Cummins' legacy of performance and dependability Seals intake manifold tightly to prevent leaks and optimize engine efficiency Manufactured from high-quality materials...$82.14$75.03 -
ONAN A054Z627 ROCKER COVER GASKET ONAN Genuine OEM Part
ONAN
$7.38$6.74100% Genuine ONAN OEM replacement part designed specifically for Cummins and Onan generator systems Effectively seals the rocker cover to prevent oil leaks and maintain proper engine...$7.38$6.74 -
CUMMINS 5522189 OIL PAN GASKET CUMMINS Genuine OEM Part
CUMMINS
$69.24$63.25Authentic Cummins OEM part ensuring precision and reliability Prevents oil leakage maintaining engine cleanliness and efficiency Enhances engine longevity by securing a tight seal under demanding...$69.24$63.25 -
CUMMINS 3634664 CYLINDER HEAD GASKET Original OEM part - SUPERSEDED FROM 3166288
CUMMINS
$130.43$119.15Precision engineered for enduring engine performance Exceptional sealing to prevent leaks and maintain compression Designed with superior materials to withstand thermal and mechanical stresses 100%...$130.43$119.15 -
CUMMINS 3394620 THROTTLE VALVE GASKET Original OEM part
CUMMINS
$16.80$15.35Precision-engineered seal for optimal throttle control Enhances engine efficiency by preventing air leaks 100% genuine OEM component from Cummins ensuring superior compatibility CUMMINS 3394620...$16.80$15.35 -
CUMMINS 182459 WATER HEADER COVER GASKET Original OEM part
CUMMINS
$11.73$10.71Precision-engineered sealing for unwavering engine protection Durable design that withstands high temperatures and pressure 100% OEM Cummins component ensuring exact fit and compatibility CUMMINS...$11.73$10.71 -
ONAN A026J486 FUEL SYSTEM GASKET Original ONAN/CUMMINS OEM part
ONAN
$64.86$59.25Precision engineered for dependable power and durability Ensures optimal sealing to maintain fuel system integrity Manufactured by ONAN as a genuine OEM component Designed to sustain peak generator...$64.86$59.25 -
ONAN A029L783 FLANGE GASKET ONAN Genuine OEM Part
ONAN
$43.24$39.50Certified as a Genuine ONAN OEM Part ensuring exact fit and performance Seals exhaust manifold flanges to prevent leaks and maintain optimal engine pressure Resists extreme temperatures and...$43.24$39.50 -
ONAN 1856498 HEAD COVER GASKET ONAN Genuine OEM Part
ONAN
$34.59$31.60Authentic ONAN Genuine OEM Head Cover Gasket engineered for perfect fit Provides a reliable seal preventing oil leaks for better engine operation Enhances engine durability by maintaining optimal...$34.59$31.60 -
On Sale
ONAN 1305139 HEAT EXCHANGER GASKET Original ONAN/CUMMINS OEM part
ONAN
$23.12$20.28$21.12ONAN 130-5139 heat exchanger gasket made from high-quality materials to ensure a precise seal and prevent leaks. Designed to withstand high temperatures and pressures in cooling systems for...$23.12$20.28$21.12 -
ONAN 1852578 RELIEF VALVE GASKET ONAN Genuine OEM Part
ONAN
$8.70$7.95Certified as a genuine OEM ONAN component for guaranteed fit and function Essential sealing element that maintains pressure integrity in the relief valve system Engineered to support optimal engine...$8.70$7.95 -
ONAN 1460533 CARBURETOR GASKET ONAN Genuine OEM Part
ONAN
$8.03$7.33Authentic ONAN Genuine OEM component engineered for exact compatibility Ensures a secure seal between the carburetor and intake manifold to prevent air leaks Contributes to optimal fuel mixture and...$8.03$7.33 -
ONAN 1856154 GASKET ONAN Genuine OEM Part
ONAN
$17.05$15.58Authentic ONAN Genuine OEM Part for assured compatibility and quality. Provides a secure seal to prevent leaks and maintain engine efficiency. Enhances durability under demanding operating...$17.05$15.58 -
ONAN 1601368 BREAKER BOX GASKET Original ONAN/CUMMINS OEM part
ONAN
$5.79$5.29Engineered for Precision, Built to Last Ensures airtight sealing to protect your breaker box from dust and moisture Maintains optimal generator performance by preserving internal component...$5.79$5.29 -
ONAN 1542915 EXHAUST GASKET ONAN Genuine OEM Part
ONAN
$4.76$4.35100% Genuine ONAN OEM part for reliable compatibility and longevity Provides a durable, leak-proof seal between engine components Enhances exhaust system efficiency and helps maintain engine...$4.76$4.35 -
CUMMINS 5414049 CUMMINS Genuine OEM Part
CUMMINS
$48.36$44.18Authentic Cummins OEM component ensuring precise fit and superior quality Engineered to maintain optimal fuel system integrity and performance Designed to support efficient emissions control and...$48.36$44.18 -
CUMMINS 3098985 CYLINDER HEAD GASKET Original OEM part
CUMMINS
$224.83$205.38Engineered to deliver uncompromising sealing strength for optimal engine integrity Precision-crafted to withstand extreme temperatures and pressure fluctuations Manufactured exclusively by CUMMINS...$224.83$205.38 -
CUMMINS 3077199 HAND HOLE GASKET Original OEM part
CUMMINS
$107.93$98.59Built to endure: engineered for superior sealing and resilience under extreme conditions. Precision fit: designed specifically to maintain your Cummins system's optimal operation without compromise...$107.93$98.59 -
ONAN 1855807 HEAD COVER GASKET Original ONAN/CUMMINS OEM part
ONAN
$30.23$27.61Engineered Excellence for Enduring Power Precision Fit Seal to Maintain Optimal Engine Health Durable Material Ensuring Long-Term Leakage Prevention Certified Genuine ONAN OEM Component for...$30.23$27.61 -
ONAN 1857382 GEAR COVER GASKET ONAN Genuine OEM Part
ONAN
$27.36$24.99Certified genuine Cummins/Onan replacement part, designed to exact factory specifications for seamless compatibility and long-lasting service. Provides a critical seal for the gear cover, preventing...$27.36$24.99