Looking for the best Onan gasket replacements? We’ve researched and compiled a list of top options to help you find the perfect fit for your engine’s needs.
Onan engines are known for their reliability, but even the best engines need maintenance. One key part of keeping your Onan running smoothly is replacing worn-out gaskets. These small but vital components seal tight, prevent leaks, and keep your engine efficient.
Finding the right gasket replacement can feel overwhelming. With so many options, it’s hard to know which one fits your Onan model perfectly. That’s where we come in. We’ve done the research to bring you the best Onan gasket replacements available.
Whether you’re fixing a leak, improving performance, or just doing routine maintenance, our guide has you covered. Let’s dive in and find the perfect gasket for your Onan engine.
List of Top 10 Onan 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 set is for owners of an Onan engine. It is perfect for a quick fix. |
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110-3181 Valve Grind Head Gasket Kit for ONAN B48 B43 BF P220 P218 Engine |
This 110-3181 Valve Grind Head Gasket Kit is perfect for anyone with an Onan B or P Series engine. It’s ideal for repairs or maintenance, keeping your engine running smoothly. |
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Vkinman Valve Grind Head Gasket Kit 110-3181 Replacement for Onan BF-B43-48 P216 P218 P220 Engine Gasket Kit Valve Grind Head |
This Vkinman Valve Grind Head Gasket Kit is perfect for anyone needing a reliable replacement for their Onan BF-B43-48 or P216-220 engine. It’s easy to install and built to last, making it ideal for DIYers or professionals looking for quality and durability. |
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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 with an Onan generator or a John D 318 model. It’s easy to use and fits many models, making it ideal for quick repairs. |
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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 an Onan engine or equipment that needs replacement gaskets. It’s ideal for owners of mowers, tractors, or alternators looking for a reliable fit. |
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Oil Pan Gasket for Onan BF B43-B48 P216-P220, Bottom Gasket Kit for Onan B43M B43G B48M B48G B48E Engines, Replace 5308036 5308037 |
This Oil Pan Gasket Kit is perfect for anyone with an Onan BF or B series engine needing a reliable replacement. It’s easy to install and comes with a 24-month warranty for peace of mind. |
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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 owns a Cummins Onan generator or engine and needs to replace their intake manifold mounting gaskets. It’s ideal for DIY repairs or professional maintenance. |
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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 gasket kit is perfect for anyone who needs a quick and easy replacement for their ONAN BF-B43-48 or P-216-218-220 engine. It is ideal for those who want to keep their engine running smoothly and extend its life with regular maintenance. |
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Trucktok 142-0570 Carburetor Repair Rebuild Kit With Fuel Pump |
This Trucktok 142-0570 Carburetor Repair Rebuild Kit is perfect for anyone with an ONAN Engine model BF, BG, B43M, or B48M. It’s also ideal for those with a DD11, DD13, or DD15 Carburetor who need to replace old parts and keep their carburetor in top shape. |
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Engines Gasket Kits For Onan LX720 LX770 P216 P218 P220 BF BG B48 B43M B43G CCK CCKA CK For John D318 168-0187 168-0140 HE168-0189 110-3181 |
This Engines Gasket Kit is perfect for owners of Onan LX720, LX770, P216, P218, P220, BF, BG, B48, B43M, B43G, CCK, CCKA, CK, and John Deere 318 tractors. It’s ideal for those needing a reliable replacement for parts like 168-0187, 168-0140, HE168-0189, or 110-3181. |
Detailed Reviews
Discover the top 10 Onan Gasket Replacements in this expert-curated guide. Each product is handpicked for quality, durability, and performance, ensuring your engine runs smoothly. Find the perfect fit for your needs and boost your engine’s lifespan today!
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 fit multiple models, ensuring a perfect match for your needs. These gaskets are made from oil and gas-resistant fiber, offering durability and reliability.
These gaskets prevent air leakage, maintaining engine efficiency. They also reduce noise and vibration, improving the driving experience. By keeping contaminants out, they protect your engine, extending its lifespan.
Easy to install, affordable, and long-lasting. Perfect for Onan engine owners. Get yours today!
| Pros | Cons |
|---|---|
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Perfect For:
This set is for owners of an Onan engine. It is perfect for a quick fix.
Ready to Purchase?
2. 110-3181 Valve Grind Head Gasket Kit for ONAN B48 B43 BF P220 P218 Engine

Give your engine a fresh start with this valve grind gasket kit. It fits Onan B and P series engines fast.
It comes with tough paper and fiber parts that last long. The kit seals tight to stop leaks. You get all the parts shown in the pictures.
| Pros | Cons |
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Perfect For:
This 110-3181 Valve Grind Head Gasket Kit is perfect for anyone with an Onan B or P Series engine. It’s ideal for repairs or maintenance, keeping your engine running smoothly.
Ready to Purchase?
3. Vkinman Valve Grind Head Gasket Kit 110-3181 Replacement for Onan BF-B43-48 P216 P218 P220 Engine Gasket Kit Valve Grind Head

The Vkinman Valve Grind Head Gasket Kit is made for Onan BF-B43-48 and P216, P218, P220 engines. It helps you get a clean, tight fit.
It includes 1 gasket kit. It is strong and reliable.
It is made to strict quality standards. You can order with confidence. If you need help, Vkinman is ready to assist.
| Pros | Cons |
|---|---|
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Perfect For:
This Vkinman Valve Grind Head Gasket Kit is perfect for anyone needing a reliable replacement for their Onan BF-B43-48 or P216-220 engine. It’s easy to install and built to last, making it ideal for DIYers or professionals looking for quality and durability.
Ready to Purchase?
4. 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 complete gasket set fixes your engine leaks fast. It directly replaces part 168-0187 and part 168-0140.
It fits Onan P and B series models easily. The kit also works on John D 318 machines. Every small bore engine gets a tight seal.
Stop oil leaks and protect your machine now. Get your top end kit today for a smooth run.
| Pros | Cons |
|---|---|
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Perfect For:
This gasket kit is perfect for anyone with an Onan generator or a John D 318 model. It’s easy to use and fits many models, making it ideal for quick repairs.
Ready to Purchase?
5. ZFZMZ Replacement Intake Manifold Mounting Gaskets Fits Onan 154-2495, HE154-2495 Engine (Set of 2)

Stop engine air leaks fast. This two-piece gasket set seals your intake manifold tight. It fits many Onan engines, mowers, and tractors.
Fix your equipment with easy setup. Get smooth, reliable power today.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for anyone with an Onan engine or equipment that needs replacement gaskets. It’s ideal for owners of mowers, tractors, or alternators looking for a reliable fit.
Ready to Purchase?
6. Oil Pan Gasket for Onan BF B43-B48 P216-P220, Bottom Gasket Kit for Onan B43M B43G B48M B48G B48E Engines, Replace 5308036 5308037

Replace your old oil pan gasket with this high-quality kit. It’s designed for Onan BF B43-B48 and P216-P220 engines.
This bottom gasket kit fits Onan B43M, B43G, B48M, B48G, and B48E engines. It replaces part numbers 5308036 and 5308037. The packing includes one oil pan bottom gasket kit.
We stand behind our product with a 24-month warranty. Contact us with any questions or concerns, and we’ll respond within 24 hours to assist with fitment issues.
| Pros | Cons |
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Perfect For:
This Oil Pan Gasket Kit is perfect for anyone with an Onan BF or B series engine needing a reliable replacement. It’s easy to install and comes with a 24-month warranty for peace of mind.
Ready to Purchase?
7. Nimiah Replacement Intake Manifold Mounting Gaskets Fits Cummins Onan 154-2495, HE154-2495 (2 Pack)

Nimiah gaskets fit well. They replace Onan 154-2495.
These seals stop leaks. They are strong and last long. You get two gaskets in each pack.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for anyone who owns a Cummins Onan generator or engine and needs to replace their intake manifold mounting gaskets. It’s ideal for DIY repairs or professional maintenance.
Ready to Purchase?
8. ALL-CARB 110-3181 Gasket Kit Grind Head Replacement for Onan BF-B43-48 and P-216-218-220 Engines

This gasket kit is strong. It fits well and lasts.
It stops leaks fast. Your engine will run great.
This set is top quality. It works on many models. Buy this new part now.
| Pros | Cons |
|---|---|
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Perfect For:
This gasket kit is perfect for anyone who needs a quick and easy replacement for their ONAN BF-B43-48 or P-216-218-220 engine. It is ideal for those who want to keep their engine running smoothly and extend its life with regular maintenance.
Ready to Purchase?
9. Trucktok 142-0570 Carburetor Repair Rebuild Kit With Fuel Pump

Give your engine new life with the Trucktok 142-0570 Carburetor Repair Rebuild Kit. It quickly fixes your ONAN engine and keeps it running like new.
This powerful kit includes a fuel pump, gaskets, and clean filters. It replaces old parts fast to stop bad leaks.
Your motor runs smooth. You save big money. Buy your kit today.
| Pros | Cons |
|---|---|
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Perfect For:
This Trucktok 142-0570 Carburetor Repair Rebuild Kit is perfect for anyone with an ONAN Engine model BF, BG, B43M, or B48M. It’s also ideal for those with a DD11, DD13, or DD15 Carburetor who need to replace old parts and keep their carburetor in top shape.
Ready to Purchase?
10. Engines Gasket Kits For Onan LX720 LX770 P216 P218 P220 BF BG B48 B43M B43G CCK CCKA CK For John D318 168-0187 168-0140 HE168-0189 110-3181

This Engines Gasket Kit is perfect for Onan and John Deere models. It fits LX720, LX770, P216, P218, P220, BF, BG, B48, B43M, B43G, CCK, CCKA, CK, and John Deere 318 tractors.
It replaces part numbers 168-0187, 168-0140, HE168-0189, 110-3181. The package includes 18 gaskets. Check the image and model details before buying.
| Pros | Cons |
|---|---|
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Perfect For:
This Engines Gasket Kit is perfect for owners of Onan LX720, LX770, P216, P218, P220, BF, BG, B48, B43M, B43G, CCK, CCKA, CK, and John Deere 318 tractors. It’s ideal for those needing a reliable replacement for parts like 168-0187, 168-0140, HE168-0189, or 110-3181.
Ready to Purchase?
Buying Guide
Onan engines are reliable, but gaskets wear out. Replacing them keeps your engine running smoothly.
Finding the right gasket can be tricky. Our guide makes it easy.
Factors to Consider When Buying Onan Gasket Replacements:
- Compatibility: Check if the gasket fits your Onan model. Look for part numbers or engine series to ensure a perfect match.
- Material Quality: Choose gaskets made from oil and gas-resistant fiber or tough paper. They last longer and seal better.
- Purpose: Decide if you need gaskets for leaks, performance, or routine maintenance. Some kits are specific to tasks like valve grinds.
- Ease of Installation: Look for gaskets that are easy to install. This saves time and hassle.
- Price and Value: Compare prices, but don’t sacrifice quality. Affordable, long-lasting gaskets offer the best value.
- Warranty and Support: Choose brands that offer warranties or customer support. It adds peace of mind.
With these tips, you’ll find the perfect gasket for your Onan engine.