Looking for the best Onan mounting gasket replacements? We’ve compiled a list of top-quality options to keep your engine running smoothly and efficiently.
Onan engines need the right gaskets to run smoothly. Worn-out gaskets can cause leaks and poor performance. We’ve found the best Onan mounting gasket replacements to keep your engine in top shape.
These reliable replacements are easy to install and fit multiple Onan models. They prevent leaks, boost efficiency, and save you money on repairs. Discover the perfect gasket for your engine and enjoy smooth, trouble-free operation.
List of Top 10 Onan Mounting Gasket Replacements
| Image | Title | Best For | Price |
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Dgdhf Replacement Intake Manifold Mounting Gaskets Fits Onan Engine Intake Manifold Mounting Gaskets 154-2495, HE154-2495 (Set of 2) |
This product is perfect for anyone with an Onan engine who needs to replace intake manifold mounting gaskets. It’s easy to install and keeps your engine running smoothly. |
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Nimiah Replacement Intake Manifold Mounting Gaskets Fits Cummins Onan 154-2495, HE154-2495 (2 Pack) |
This product is perfect for anyone who needs to replace intake manifold mounting gaskets on their Cummins Onan generator. It’s easy to install and works great for keeping your generator running smoothly. |
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ZFZMZ Replacement Intake Manifold Mounting Gaskets Fits Onan 154-2495, HE154-2495 Engine (Set of 2) |
This product is perfect for anyone with Onan engines or equipment like mowers and tractors. It’s ideal if you need to replace worn-out gaskets and keep your machinery running smoothly. |
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ALL-CARB 110-3181 Gasket Kit Grind Head Replacement for Onan BF-B43-48 and P-216-218-220 Engines |
This ALL-CARB 110-3181 Gasket Kit is perfect for anyone with an Onan BF-B43-48 or P-216-218-220 engine. It’s ideal for those who want to extend their engine’s life and keep it running smoothly. |
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110-3181 Valve Grind Head Gasket Kit Compatible with ONAN B48 B43 BF P220 P218 P216 P216G P218G P220G Engine |
This valve grind head gasket kit is perfect for anyone with an Onan B or P series engine. It’s easy to use and made to last, so you can keep your engine running smoothly. |
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168-0187 Gasket Kits for ONAN LX720 LX770 LX790 168-0140 HE168-0189 HE168-0187 Small Bore P and B Series Gasket P216 P218 P220 BF BG B48 B43M B43G 110-3181 CCK CCKA CK top end |
This gasket kit is perfect for anyone who owns an Onan generator or a John D 318 model. It’s ideal for repairs and maintenance to keep your engine running smoothly. |
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Partman Valve Grind Head Gasket Kit Replaces 110-3181 fit for Onan BF-B43-48 & P 216-218-220 |
This Partman Valve Grind Head Gasket Kit is perfect for anyone with an Onan BF-B43-48 or P 216-218-220 engine needing a reliable replacement part. It’s easy to install and fits perfectly, saving you time and hassle. |
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168-0187 Gasket fit for ONAN LX720 LX770 LX790 168-0140 HE168-0189 HE168-0187 Small Bore P and B Series Gasket P216 P218 P220 BF BG B48 B43M B43G 110-3181 CCK CCKA CK top end |
This gasket kit is perfect for anyone with an Onan LX720, LX770, or LX790 generator, or a small bore P or B series engine. It’s also great for John D 318 models. If your engine is overheating, losing power, or using too much fuel, this kit can fix those problems and save you money on repairs. |
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Autu Parts 110-3181 Valve Grind Head Gasket Kit for Onan BF-B43-48 P216 P218 P220 Engine |
This Autu Parts 110-3181 Valve Grind Head Gasket Kit is perfect for anyone with an Onan BF, BG, B43, B48, P-216, P-218, P-220, P-216V, P-218V, or P-220V engine. It’s ideal for those needing a reliable replacement to keep their engine running smoothly. |
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168-0187 Gasket Kits Replacement for ONAN LX720 LX770 LX790 168-0140 HE168-0189 HE168-0187 Small Bore P and B Series Gasket P216 P218 P220 BF BG B48 B43M B43G 110-3181 CCK CCKA CK top end |
This gasket kit is perfect for anyone who needs to repair or maintain their ONAN generator. It’s ideal for models like LX720, LX770, LX790, and more, ensuring a reliable fix for your small bore P and B series engines. |
Detailed Reviews
Discover the top 10 Onan Mounting Gasket Replacements in this expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value, ensuring you find the perfect fit for your engine. Whether you need affordability or premium quality, this guide has you covered—read on to make the best choice for your Onan engine.
1. Dgdhf Replacement Intake Manifold Mounting Gaskets Fits Onan Engine Intake Manifold Mounting Gaskets 154-2495, HE154-2495 (Set of 2)

The Dgdhf Replacement Intake Manifold Mounting Gaskets are designed for Onan engines. They come in a set of 2 and are oil and gas resistant. These gaskets fit multiple Onan models, ensuring a perfect match for your engine.
They replace old or worn-out gaskets, preventing air leaks in the intake system. This maintains stable air supply, boosting engine combustion efficiency. They also reduce noise and vibration, improving the driving experience.
These gaskets protect your engine from dust and impurities. They extend the life of engine parts, saving you time and money on repairs.
| Pros | Cons |
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Perfect For:
This product is perfect for anyone with an Onan engine who needs to replace intake manifold mounting gaskets. It’s easy to install and keeps your engine running smoothly.
Ready to Purchase?
2. Nimiah Replacement Intake Manifold Mounting Gaskets Fits Cummins Onan 154-2495, HE154-2495 (2 Pack)

Nimiah Replacement Intake Manifold Mounting Gaskets are a perfect fit for Cummins Onan engines. They replace multiple part numbers, making them a versatile solution.
These gaskets are brand-new and unused, coming in their original packaging. They are made of composite material, which is excellent at sealing and resistant to fuel and oil.
With a 2-pack, you’ll have a reliable replacement for your Onan models. These gaskets are easy to install and will keep your engine running smoothly.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for anyone who needs to replace intake manifold mounting gaskets on their Cummins Onan generator. It’s easy to install and works great for keeping your generator running smoothly.
Ready to Purchase?
3. ZFZMZ Replacement Intake Manifold Mounting Gaskets Fits Onan 154-2495, HE154-2495 Engine (Set of 2)

ZFZMZ Replacement Intake Manifold Mounting Gaskets are a perfect fit for many Onan engines. This set of 2 gaskets is easy to install. They work well with Onan models like BF, BG, and BGA.
These gaskets are great for mowers and tractors. They fit models like 316, 318, and F910. You can also use them with alternators like 225, 325, and 375.
They replace old parts like 154-2495 and HE154-2495. These gaskets are durable and reliable. They help your engine run smoothly.
| Pros | Cons |
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Perfect For:
This product is perfect for anyone with Onan engines or equipment like mowers and tractors. It’s ideal if you need to replace worn-out gaskets and keep your machinery running smoothly.
Ready to Purchase?
4. ALL-CARB 110-3181 Gasket Kit Grind Head Replacement for Onan BF-B43-48 and P-216-218-220 Engines

The ALL-CARB 110-3181 Gasket Kit is a perfect fit for specific Onan engines. It works with BF-B43-48 and P-216-218-220 models. This kit replaces part number #110-3181.
Each package includes one grind head gasket kit. It’s easy to install and helps keep your engine running smoothly.
To extend your engine’s life, follow simple steps. Clean cooling fins and adjust valves every 200 hours. Always verify the part number before ordering.
| Pros | Cons |
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Perfect For:
This ALL-CARB 110-3181 Gasket Kit is perfect for anyone with an Onan BF-B43-48 or P-216-218-220 engine. It’s ideal for those who want to extend their engine’s life and keep it running smoothly.
Ready to Purchase?
5. 110-3181 Valve Grind Head Gasket Kit Compatible with ONAN B48 B43 BF P220 P218 P216 P216G P218G P220G Engine

The 110-3181 Valve Grind Head Gasket Kit is compatible with Onan engines. It fits models like B48, B43, and P220. This kit is designed for durability.
It includes two head gaskets for B & P Series engines. The packaging contains one set of high-quality gaskets. These are made from paper and fiber materials.
The included items are shown in product pictures. This gasket kit is built to last and resists damage.
| Pros | Cons |
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Perfect For:
This valve grind head gasket kit is perfect for anyone with an Onan B or P series engine. It’s easy to use and made to last, so you can keep your engine running smoothly.
Ready to Purchase?
6. 168-0187 Gasket Kits for ONAN LX720 LX770 LX790 168-0140 HE168-0189 HE168-0187 Small Bore P and B Series Gasket P216 P218 P220 BF BG B48 B43M B43G 110-3181 CCK CCKA CK top end

This gasket kit is a complete set designed for specific engines. It replaces multiple part numbers, making it a versatile choice.
It fits Onan models like LX720, LX770, and LX790. Also works with Small Bore P and B Series. Perfect for P216, P218, P220, BF, BG, B48, B43M, B43G, CCK, CCKA, and CK.
It even fits John D 318 models. A reliable solution for your engine needs. Easy to install and use.
| Pros | Cons |
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Perfect For:
This gasket kit is perfect for anyone who owns an Onan generator or a John D 318 model. It’s ideal for repairs and maintenance to keep your engine running smoothly.
Ready to Purchase?
7. Partman Valve Grind Head Gasket Kit Replaces 110-3181 fit for Onan BF-B43-48 & P 216-218-220

Replace your worn-out head gasket with this brand new, high-quality kit. It’s a direct fit for Onan BF-B43-48 & P 216-218-220 engines. Replaces part number 110-3181.
This kit is designed specifically for BF B43 B48 P-216-218-220 engines. Questions? Contact us, and we’ll reply within 24 hours.
| Pros | Cons |
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Perfect For:
This Partman Valve Grind Head Gasket Kit is perfect for anyone with an Onan BF-B43-48 or P 216-218-220 engine needing a reliable replacement part. It’s easy to install and fits perfectly, saving you time and hassle.
Ready to Purchase?
8. 168-0187 Gasket fit for ONAN LX720 LX770 LX790 168-0140 HE168-0189 HE168-0187 Small Bore P and B Series Gasket P216 P218 P220 BF BG B48 B43M B43G 110-3181 CCK CCKA CK top end

The 168-0187 Gasket is a perfect fit for many Onan models. It works with LX720, LX770, LX790, and more. This gasket also fits John D 318 models.
It replaces old gaskets like 168-0140 and HE168-0189. This kit stops leaks of oil, coolant, and gas. It fills tiny gaps and buffers thermal changes.
The gasket solves engine problems like overheating and power loss. It cuts fuel waste and saves on repairs. This kit keeps your engine running smoothly.
| Pros | Cons |
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Perfect For:
This gasket kit is perfect for anyone with an Onan LX720, LX770, or LX790 generator, or a small bore P or B series engine. It’s also great for John D 318 models. If your engine is overheating, losing power, or using too much fuel, this kit can fix those problems and save you money on repairs.
Ready to Purchase?
9. Autu Parts 110-3181 Valve Grind Head Gasket Kit for Onan BF-B43-48 P216 P218 P220 Engine

The Autu Parts 110-3181 Valve Grind Head Gasket Kit is a reliable replacement for your engine. It fits Onan BF, BG, B43, B48, P-216, P-218, P-220, P-216V, P-218V, and P-220V engines. This kit is a perfect match for your needs.
It includes two 110-3181 head gaskets designed for B and P Series engines. The package comes with one complete gasket kit, just as shown in the picture.
If you have questions or need help, our team is here for you. We promise a quick reply within 24 hours. Trust us for quality and service.
| Pros | Cons |
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Perfect For:
This Autu Parts 110-3181 Valve Grind Head Gasket Kit is perfect for anyone with an Onan BF, BG, B43, B48, P-216, P-218, P-220, P-216V, P-218V, or P-220V engine. It’s ideal for those needing a reliable replacement to keep their engine running smoothly.
Ready to Purchase?
10. 168-0187 Gasket Kits Replacement for ONAN LX720 LX770 LX790 168-0140 HE168-0189 HE168-0187 Small Bore P and B Series Gasket P216 P218 P220 BF BG B48 B43M B43G 110-3181 CCK CCKA CK top end

The 168-0187 Gasket Kits are a perfect replacement for your ONAN generator. These kits are designed to fit specific models, ensuring a tight seal and optimal performance.
This kit is compatible with ONAN LX720, LX770, and LX790 models. It also works with Small Bore P and B Series, including P216, P218, and P220. Easy to install, these gaskets will have your generator running smoothly.
With this top-end gasket kit, you’ll get a reliable seal for your generator’s engine. It’s a cost-effective solution to keep your ONAN generator in great working condition.
| Pros | Cons |
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Perfect For:
This gasket kit is perfect for anyone who needs to repair or maintain their ONAN generator. It’s ideal for models like LX720, LX770, LX790, and more, ensuring a reliable fix for your small bore P and B series engines.
Ready to Purchase?
Buying Guide
Onan engines need the right gaskets to run smoothly. Worn-out gaskets can cause leaks and poor performance. We’ve found the best Onan mounting gasket replacements to keep your engine in top shape.
Choosing the right gasket can save you time and money. It ensures your engine runs smoothly and efficiently. Here’s what to consider when buying:
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Compatibility:
Make sure the gasket fits your Onan engine model. Check part numbers and compatibility lists to avoid mistakes. -
Material Quality:
Look for gaskets made of durable materials like composite or fiber. They should be resistant to oil, fuel, and heat for long-lasting performance. -
Ease of Installation:
Choose gaskets that are easy to install. This saves time and ensures a proper fit without extra tools or expertise. -
Leak Prevention:
The gasket should seal tightly to prevent leaks of oil, coolant, or gas. A good seal keeps your engine running efficiently. -
Value for Money:
Compare prices and quality to get the best value. A reliable gasket saves you from frequent replacements and repairs. -
Customer Support:
Opt for brands that offer good customer service. Quick replies and support can make your buying experience smoother.
With these factors in mind, you’ll find the perfect gasket for your Onan engine. Enjoy smooth, trouble-free operation and extend your engine’s life.