Best Replacement Gaskets For Onan Engines

Need the best replacement gaskets for Onan engines? We’ve researched and listed the top 10 options with a simple guide to help you choose the perfect fit, save time, and restore your engine’s efficiency.

Onan engines are known for their reliability and performance. Over time, gaskets wear out, leading to leaks and reduced efficiency. Replacing them is key to keeping your engine running smoothly.

Finding the right gaskets can be tricky. We’ve done the research for you. Discover the best options that fit perfectly and last longer.

Save time and money with our guide. Learn how to choose the perfect gaskets for your Onan engine. Get ready to restore your engine’s power and efficiency.

List of Top 10 Replacement Gaskets For Onan Engines

Title	Best For	Price
110-3181 Valve Grind Head Gasket Kit Compatible with ONAN B48 B43 BF P220 P218 P216 P216G P218G P220G 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 to keep your engine running smoothly.	View on Amazon (paid link)
Dgdhf Replacement Intake Manifold Mounting Gaskets Fits Onan Engine Intake Manifold Mounting Gaskets 154-2495, HE154-2495 (Set of 2)	This set is perfect for anyone who wants their Onan engine to run smooth and strong. It’s ideal for people who need tight seals, clean airflow, and steady power every day.	View on Amazon (paid link)
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 kit is perfect for you if you own a John Deere 318 lawn tractor or an Onan engine model like LX720 or LX770. It includes 18 gaskets to help you fix your engine quickly and stop leaks. This is a great choice to repair your tractor and save time.	View on Amazon (paid link)
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 Deere 318 model. It’s easy to use and fits many models, making it a great choice for quick repairs.	View on Amazon (paid link)
ZFZMZ Replacement Intake Manifold Mounting Gaskets Fits Onan 154-2495, HE154-2495 Engine (Set of 2)	These gaskets are perfect for engine owners who need a quick, reliable fix. They fit Onan engines perfectly and help stop leaks fast. With a set of two, you get a strong, tight seal that keeps your motor running smooth. This kit makes repairs easy and helps you save time. Keep your machine in top shape with these trusted parts.	View on Amazon (paid link)
Vkinman 5308036 5308037 Oil Pan Gasket with Seal Kit, Replacement for Onan BF B43-B48 P216-P220, Replacement for Onan B43M B43G B48M B48G B48E Engines	This oil pan gasket with seal kit is perfect for anyone who needs a reliable replacement for their Onan engine. It’s easy to install and built to last, making it ideal for DIYers or professionals working on Onan BF, B, or P series engines.	View on Amazon (paid link)
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 fixing an Onan BF-B43-48 or P216-220 engine. It’s durable, reliable, and easy to use, making it ideal for quick repairs.	View on Amazon (paid link)
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 wants to keep their Onan BF-B43-48 or P-216-218-220 engine running smooth and strong. It’s great for people who want easy, reliable parts that help their engine last longer.	View on Amazon (paid link)
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 who wants a quick, clean fix for their Onan BF, B43, B48, or P-series engine. It’s ideal for owners who want a simple, reliable part that fits right and keeps their engine sealed tight.	View on Amazon (paid link)
110-3181 Valve Grind Head Gasket Kit Fits for ONAN 110-3181 for Onan BF B43 B48 P220 P218 P216 Engine	This kit is perfect for engine owners who want smooth, steady power and need a reliable gasket fix fast. It’s great for anyone keeping an ONAN BF, B43, B48, P216, P218, or P220 engine in top shape.	View on Amazon (paid link)

Detailed Reviews

Find the best gaskets for your Onan engine. These strong seals stop leaks and save money. Your motor will run like new.

1. 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.

The gasket kit includes two head gaskets. It is made of high-quality paper and fiber. These materials resist damage and last longer.

The packaging includes one set. All included items are shown in product pictures. This kit is easy to identify and ready to use.

Pros	Cons
Strong build for long use Easy fit for many engines High-quality gasket materials Reliable seal every time Clear parts shown in pictures	Limited compatibility with other engine models. No tools or instructions included in the kit. Paper and fiber materials may wear faster under heavy use.

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 to keep your engine running smoothly.

Ready to Purchase?

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2. 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 made from oil and gas-resistant fiber, ensuring durability and reliability. They come in a set of 2, perfect for replacing worn-out gaskets. These gaskets fit Onan engines and replace multiple part numbers, making them a versatile choice.

They prevent air leaks in the intake system, ensuring your engine gets stable air supply for efficient combustion. These gaskets also reduce vibration and noise, improving the driving experience. By blocking dust and impurities, they protect your engine from wear and damage.

These gaskets are easy to install and compatible with many Onan models. They help extend engine life and maintain performance.

Pros	Cons
Stops leaks for smooth, steady air flow Cuts noise for a calm, clean ride Shields parts from dust and dirt Boosts power with tight, safe seals Fits many Onan engine models	May not fit all engine types Needs careful install to avoid air leaks Fiber material can wear over long use

Perfect For:

This set is perfect for anyone who wants their Onan engine to run smooth and strong. It’s ideal for people who need tight seals, clean airflow, and steady power every day.

Ready to Purchase?

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3. 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

Engines Gasket Kits are perfect for specific Onan and John Deere models. They fit small bore P-B Series engines and John Deere 318 tractors. These kits replace multiple part numbers for easy upgrades.

The package includes 18 gaskets, ensuring complete coverage for your engine. It’s designed for a precise fit, so check your model before buying.

Neivilu prioritizes your satisfaction. If you face any issues, contact them for quick help. No installation guide is included, so refer to the product image for details.

Pros	Cons
Perfect fit for Onan and John Deere models. Replaces multiple part numbers easily. Complete kit with 18 gaskets included. Reliable support from Neivilu for any issues.	No install guide, may slow setup Must double-check fitment before buying Only gaskets included, no extra hardware

Perfect For:

This kit is perfect for you if you own a John Deere 318 lawn tractor or an Onan engine model like LX720 or LX770. It includes 18 gaskets to help you fix your engine quickly and stop leaks. This is a great choice to repair your tractor and save time.

Ready to Purchase?

View Price on Amazon (paid link)

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

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 gives your engine fresh strength. Every piece fits with clean, tight precision. Your machine runs smooth and steady.

It replaces 168-0187, 168-0140, HE168-0189, HE168-0187, and 110-3181. It fits Onan LX720, LX770, LX790, and many P and B Series models. It also works with BF, BG, B48, B43M, B43G, CCK, CCKA, and CK.

It even fits the John D 318 model. Strong fit. Strong performance.

Pros	Cons
Complete gasket set for easy engine repairs. Fits multiple Onan models and John D 318. Replaces old gaskets with precision and reliability. Durable materials ensure long-lasting performance.	Fit may need double-checking. Many models can cause confusion. No brand name listed.

Perfect For:

This gasket kit is perfect for anyone who owns an Onan generator or a John Deere 318 model. It’s easy to use and fits many models, making it a great choice for quick repairs.

Ready to Purchase?

View Price on Amazon (paid link)

5. ZFZMZ Replacement Intake Manifold Mounting Gaskets Fits Onan 154-2495, HE154-2495 Engine (Set of 2)

This gasket set keeps your engine tight. It stops leaks fast. It helps your machine run smooth.

It fits many Onan engines. It also fits a wide range of mowers and tractors.

Each gasket replaces key part numbers with ease. It installs quick. It delivers strong, steady performance.

Pros	Cons
Perfect fit for Onan engines and models. Replaces multiple part numbers with one set. Durable gaskets for reliable performance. Fits mowers, tractors, and alternators easily.	Limited compatibility for specific engine models only. May require professional installation for a proper seal. Exact fitment is crucial to prevent vacuum leaks.

Perfect For:

These gaskets are perfect for engine owners who need a quick, reliable fix. They fit Onan engines perfectly and help stop leaks fast. With a set of two, you get a strong, tight seal that keeps your motor running smooth. This kit makes repairs easy and helps you save time. Keep your machine in top shape with these trusted parts.

Ready to Purchase?

View Price on Amazon (paid link)

6. Vkinman 5308036 5308037 Oil Pan Gasket with Seal Kit, Replacement for Onan BF B43-B48 P216-P220, Replacement for Onan B43M B43G B48M B48G B48E Engines

Vkinman 5308036 5308037 Oil Pan Gasket with Seal Kit, Replacement for Onan BF B43-B48 P216-P220, Replacement for Onan B43M B43G B48M B48G B48E Engines

The Vkinman 5308036 5308037 Oil Pan Gasket with Seal Kit is a reliable replacement for Onan engines. It fits models like BF B43-B48 and P216-P220, ensuring a perfect match.

Made from high-quality materials, it resists heat and corrosion. Easy to install, it saves time and effort. The package includes one gasket kit with 5 pieces.

Pros	Cons
Replaces multiple parts with one easy-to-install kit. Durable materials resist heat and corrosion for long-lasting use. Fits many Onan models, saving time and effort. Simple design makes installation quick and hassle-free.	Not universal: Fits specific Onan models only, check compatibility first. No tools included: Requires separate tools for installation. Limited quantity: Only 5 pieces in the seal kit.

Perfect For:

This oil pan gasket with seal kit is perfect for anyone who needs a reliable replacement for their Onan engine. It’s easy to install and built to last, making it ideal for DIYers or professionals working on Onan BF, B, or P series engines.

Ready to Purchase?

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7. 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 fits part number 110-3181. It is built for a clean, exact fit.

This kit is durable and made with strict quality control. It helps give steady performance and high trust. The package includes 1 valve grind head gasket kit.

Order with confidence from Vkinman. If you need help, contact us.

Pros	Cons
Exact fit for Onan BF-B43-48 and P216-220 engines. Durable and reliable for long-lasting performance. Complete kit includes everything needed for valve grind head repair. Easy to install with strict quality control standards.	Limited compatibility with other engine models. Single-item package, no extra parts included. No warranty details provided for buyers.

Perfect For:

This Vkinman Valve Grind Head Gasket Kit is perfect for anyone fixing an Onan BF-B43-48 or P216-220 engine. It’s durable, reliable, and easy to use, making it ideal for quick repairs.

Ready to Purchase?

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8. 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 replacement for Onan BF-B43-48 and P-216-218-220 engines. It replaces part number #110-3181 with ease.

This kit includes a grind head gasket, helps extend engine life, and works best with regular maintenance. Clean cooling fins and adjust valves every 200 hours for top performance.

Pros	Cons
Fits ONAN BF-B43-48 and P-series engines Easy swap for part #110-3181 Helps boost engine life Simple kit with all you need Clear part check before you buy	Limited Compatibility – Only fits specific Onan engine models. Maintenance Required – Needs regular cleaning and valve adjustments. Verification Needed – Must confirm part number before ordering.

Perfect For:

This gasket kit is perfect for anyone who wants to keep their Onan BF-B43-48 or P-216-218-220 engine running smooth and strong. It’s great for people who want easy, reliable parts that help their engine last longer.

Ready to Purchase?

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9. 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 gasket kit gives your engine a tight, clean seal. It fits many Onan models with ease.

It fits BF, B43, and P216–P220 engines. It also fits B43M, B48M, and B48E engines. It replaces 5308036 and 5308037.

You get one full gasket kit in the pack. The seal is simple to install. The 24‑month warranty gives strong peace of mind.

Pros	Cons
Replaces 5308036 and 5308037 perfectly. Fits Onan BF B43-B48 and P216-P220 engines. Includes oil pan bottom gasket kit for easy installation. 24-month warranty ensures peace of mind.	Limited engine compatibility—only fits specific Onan models. No installation tools included in the kit. Warranty requires direct contact for support.

Perfect For:

This oil pan gasket kit is perfect for anyone who wants a quick, clean fix for their Onan BF, B43, B48, or P-series engine. It’s ideal for owners who want a simple, reliable part that fits right and keeps their engine sealed tight.

Ready to Purchase?

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10. 110-3181 Valve Grind Head Gasket Kit Fits for ONAN 110-3181 for Onan BF B43 B48 P220 P218 P216 Engine

The 110-3181 Valve Grind Head Gasket Kit is a perfect fit for specific ONAN engines. It works with BF, B43, B48, P216, P218, and P220 models. This kit is easy to use and reliable.

The package includes one complete gasket kit, just like the main picture shows. Make sure to check your model number before buying to ensure a perfect fit.

Need help or have questions? We’re here to assist you right away. Reach out, and we’ll reply immediately to help you out.

Pros	Cons
Perfect fit for ONAN BF, B43, B48, P216, P218, P220 engines. Complete gasket kit included for easy installation. Exact match with part number 110-3181 for reliability. Quick support available for any questions or concerns.	May not fit all engine versions Only one set included in the kit Needs careful check of model before use

Perfect For:

This kit is perfect for engine owners who want smooth, steady power and need a reliable gasket fix fast. It’s great for anyone keeping an ONAN BF, B43, B48, P216, P218, or P220 engine in top shape.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Great gaskets make engines last. Good choices keep your Onan running strong.
You feel the difference fast. Your engine stays tight, smooth, and steady.

Factor: Fit & Compatibility
Pick gaskets that match your exact Onan model. A correct fit stops leaks fast. It also keeps your engine stable.
Factor: Material Quality
Choose fiber, paper, or rubber built for heat and pressure. Strong materials last longer. They keep your seal clean and tight.
Factor: Durability
Look for kits made to resist oil, gas, and heat. Durable gaskets stay firm. They help your engine stay smooth.
Factor: Full Kit vs. Single Parts
A full kit gives you all needed gaskets at once. It saves time and avoids mismatch. Single parts work only if you know what you need.
Factor: Ease of Install
Pick gaskets that are simple to install. Clear shapes help you place them right. A clean fit means fewer problems later.
Factor: Brand Trust
Choose brands known for steady performance. Trusted makers give better fit. They also offer stronger support.
Factor: Price & Value
Compare cost with material strength and kit size. A fair price still gives long life. Good value keeps your engine safe.
Factor: Warranty
A warranty adds peace of mind. It shows the maker trusts their product. It helps if you face issues later.