Looking for the best Onan engine parts to keep your equipment running smoothly? We’ve curated a list of top-rated, easy-to-install, and affordable parts to help you save time and money while keeping your engine in peak condition.
Onan engines are known for their reliability and performance, but even the best engines need quality parts to keep running smoothly. Whether you’re fixing a lawn mower, tractor, or welder, finding the right parts is key. Our guide highlights the best Onan engine parts to help you save time and money.
From rebuild kits to ignition coils, we’ve got you covered with top-rated options. These parts are designed to fit and perform like the originals, ensuring your engine runs like new. Shop with confidence and keep your Onan engine in peak condition.
Easy to install, affordable, and built to last. Start here to find the perfect parts for your needs.
List of Top 10 Onan Engine Parts
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
Engine Rebuild Kit Compatible with Onan P216 P218 P220 B43 B48 – Pistons, Rings, Gaskets & Seals – Standard Bore 3.250″ |
This Engine Rebuild Kit is perfect for anyone fixing an Onan P216, P218, P220, B43, or B48 engine. It’s great for saving money with quality parts at a lower cost than OEM. |
|
![]() |
LIDSCURA 160-1183 312-0246 Lawn Mower Points and Condenser Set, Replacement for Onan B Series Engines |
This LIDSCURA Lawn Mower Points and Condenser Set is perfect for anyone with an Onan B Series engine who needs a reliable replacement part. It’s easy to install and ensures your lawn mower runs smoothly. |
|
![]() |
CNPAPC 166-0820 166-0767 Ignition Coil Kit with Ignition Control Module Compatible with Onan P218G P220G Engines for John Deere 316 317 318 420 Tractor Replaces 541-0522 166-0785 |
This CNPAPC Ignition Coil Kit is perfect for John Deere tractor owners with Onan P218G or P220G engines. It’s ideal for those needing a reliable, easy-to-install fix to restore engine power and improve performance. |
|
![]() |
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 who needs a reliable replacement. It’s easy to use and built to last, making it ideal for quick repairs. |
|
![]() |
Shunmo Spark Plug Wire Set, Ignition for John Deere Onan P216 P218 P220 P224 B43E B43G B43G Garden Tractors 316 318 420 for Ingersoll 4018 |
This Shunmo Spark Plug Wire Set is perfect for owners of John Deere and Ingersoll garden tractors who need a reliable and durable replacement for their ignition system. It’s easy to install and ensures your engine runs smoothly and efficiently. |
|
![]() |
CLNLVLITOP Tune Up Filter Kit Compatible with Onan P-216 P-218 P-220 Gas Engine For Miller Hobart Welder Replace 1402628 1401496 1220645 R42LTS BF833K2 149-22061-01 Pre Air Fuel Oil Filter Spark Plug |
This CLNLVLITOP Tune Up Filter Kit is perfect for anyone with a Miller Hobart welder or Onan P-216, P-218, or P-220 gas engine. It’s easy to install and keeps your equipment running smoothly. |
|
![]() |
XYZIL Tune Up Filter Kit Compatible with Onan P-216 P-218 P-220 Gas Engine Compatible with Miller Hobart Welder 1402628 1401496 1220645 R42LTS BF833K2 149-22061-01 Pre Air Fuel Oil Filter Glow Plug |
This XYZIL Tune Up Filter Kit is perfect for anyone with an Onan P-216, P-218, or P-220 gas engine or a Miller Hobart welder. It’s also great for those needing replacement filters and spark plugs at a lower cost. |
|
![]() |
Hoypeyfiy Fuel Pump Replacement for Onan Engine P216G P218G P220G P224G B43E B48G B48G B43 B48 P218 Mower Replaces 149-1982 149-1544 149-2187 (Fuel Pump) |
This fuel pump is perfect for anyone with an Onan-powered riding mower needing a reliable replacement. It’s easy to install and built to last, making it a great choice for improving engine performance. |
|
![]() |
gradora Voltage Regulator Rectifier Replacement for Onan P-Series 16HP-20HP B Engine 20 Amp 191-1748 191-2106 191-2208 191-2227 John Deere 318-420 Lawn Tractor |
This voltage regulator rectifier is perfect for anyone with a John Deere 318-420 lawn tractor or Onan P-Series engine needing a reliable replacement. It’s easy to install and works seamlessly with 16HP-20HP models. |
|
![]() |
Ignition Coil for for Onan P218G P220 P224G Engine Models BF BFA BG BGA BGE B43E B43G B43M B48G Replace OEM 166-0772 166-0804 541-0522 |
This ignition coil is perfect for anyone with an Onan engine needing a reliable replacement. It’s easy to install and built to last, ensuring your engine runs smoothly. |
Detailed Reviews
Discover the top 10 Onan Engine Parts handpicked for performance and value. Each part is expert-reviewed and backed by customer feedback, ensuring you get the best fit for your needs. From engine rebuild kits to ignition coils, find reliable solutions to keep your engine running smoothly. Shop with confidence and upgrade your Onan engine today!
1. Engine Rebuild Kit Compatible with Onan P216 P218 P220 B43 B48 – Pistons, Rings, Gaskets & Seals – Standard Bore 3.250″

Revive your Onan engine with this Engine Rebuild Kit. It’s compatible with P216, P218, P220, B43, and B48 models.
Get quality pistons at a lower cost than OEM. The kit includes all gaskets and seals needed for a complete engine overhaul.
Lil Red Barn is your trusted source for small engine parts. Shop with confidence and save money today!
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Engine Rebuild Kit is perfect for anyone fixing an Onan P216, P218, P220, B43, or B48 engine. It’s great for saving money with quality parts at a lower cost than OEM.
Ready to Purchase?
2. LIDSCURA 160-1183 312-0246 Lawn Mower Points and Condenser Set, Replacement for Onan B Series Engines

LIDSCURA offers a lawn mower points and condenser set designed for Onan B Series engines. This replacement kit fits models like B48G, B48M, B43E, B43G, and B43M. It also works with John Deer equipment.
The set replaces part numbers 160-1183 and 312-0246. LIDSCURA parts meet or exceed original standards. This ensures compatibility and optimum performance for your mower.
Before buying, check your machine model. This ensures the parts fit your equipment. LIDSCURA makes it easy to keep your mower running smoothly.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This LIDSCURA Lawn Mower Points and Condenser Set is perfect for anyone with an Onan B Series engine who needs a reliable replacement part. It’s easy to install and ensures your lawn mower runs smoothly.
Ready to Purchase?
3. CNPAPC 166-0820 166-0767 Ignition Coil Kit with Ignition Control Module Compatible with Onan P218G P220G Engines for John Deere 316 317 318 420 Tractor Replaces 541-0522 166-0785

The CNPAPC Ignition Coil Kit is a complete repair solution for your tractor’s ignition system. It’s compatible with John Deere 316, 317, 318, and 420 models with Onan P218G or P220G engines.
This kit includes everything needed for a quick and easy installation, with improved engine performance as a result. No professional tools required, 24-month repair warranty, and better fuel efficiency.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This CNPAPC Ignition Coil Kit is perfect for John Deere tractor owners with Onan P218G or P220G engines. It’s ideal for those needing a reliable, easy-to-install fix to restore engine power and improve performance.
Ready to Purchase?
4. 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, BF, and P220.
This kit includes one set of gaskets. It works with B & P Series engines. The part number is 110-3181.
The gaskets are made of high-quality paper and fiber. They are durable and long-lasting. Check the product pictures for details.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This valve grind head gasket kit is perfect for anyone with an Onan B or P series engine who needs a reliable replacement. It’s easy to use and built to last, making it ideal for quick repairs.
Ready to Purchase?
5. Shunmo Spark Plug Wire Set, Ignition for John Deere Onan P216 P218 P220 P224 B43E B43G B43G Garden Tractors 316 318 420 for Ingersoll 4018

The Shunmo Spark Plug Wire Set is perfect for John Deere and Ingersoll models. It fits garden tractors and motors like the P216, P218, and 4018. These wires ensure your engine runs smoothly.
Each wire has a secure terminal that stays in place. It prevents loosening or falling off. The rubber material is durable and lightweight, so it won’t break easily.
The package includes two spark plug wires. Check compatibility before ordering to ensure it fits your needs.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Shunmo Spark Plug Wire Set is perfect for owners of John Deere and Ingersoll garden tractors who need a reliable and durable replacement for their ignition system. It’s easy to install and ensures your engine runs smoothly and efficiently.
Ready to Purchase?
6. CLNLVLITOP Tune Up Filter Kit Compatible with Onan P-216 P-218 P-220 Gas Engine For Miller Hobart Welder Replace 1402628 1401496 1220645 R42LTS BF833K2 149-22061-01 Pre Air Fuel Oil Filter Spark Plug

The CLNLVLITOP Tune Up Filter Kit is a must-have for your Onan gas engine. It works with P-216, P-218, and P-220 models. This kit is also compatible with Miller Hobart welders.
It includes five essential parts: a pre-filter, air filter, oil filter, fuel filter, and two spark plugs. These parts are fully tested and easy to install.
This replacement kit is a great choice for your engine. It offers simple, convenient installation and reliable performance. Keep your engine running smoothly with this affordable solution.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This CLNLVLITOP Tune Up Filter Kit is perfect for anyone with a Miller Hobart welder or Onan P-216, P-218, or P-220 gas engine. It’s easy to install and keeps your equipment running smoothly.
Ready to Purchase?
7. XYZIL Tune Up Filter Kit Compatible with Onan P-216 P-218 P-220 Gas Engine Compatible with Miller Hobart Welder 1402628 1401496 1220645 R42LTS BF833K2 149-22061-01 Pre Air Fuel Oil Filter Glow Plug

The XYZIL Tune Up Filter Kit is a compatible solution for your Onan P-216, P-218, and P-220 gas engines. It also works with Miller Hobart welders.
This kit includes essential parts: a pre filter, air filter, oil filter, fuel filter, and two spark plugs. Plus, get a free replacement filter as a gift.
It’s an aftermarket part, not from the original maker. Designed to fit and work just like the original. Simple to use and keeps your engine running smoothly.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This XYZIL Tune Up Filter Kit is perfect for anyone with an Onan P-216, P-218, or P-220 gas engine or a Miller Hobart welder. It’s also great for those needing replacement filters and spark plugs at a lower cost.
Ready to Purchase?
8. Hoypeyfiy Fuel Pump Replacement for Onan Engine P216G P218G P220G P224G B43E B48G B48G B43 B48 P218 Mower Replaces 149-1982 149-1544 149-2187 (Fuel Pump)

The Hoypeyfiy Fuel Pump is a direct replacement for Onan engines, fitting models like P216G, P218G, and B43E. It matches OEM quality, replacing parts 149-1982, 149-1544, and 149-2187 with ease.
This pump works with Onan-powered mowers, including Performer and B-series models. Its fine workmanship boosts engine performance and installs quickly without special tools.
Built to last, it uses high-strength materials for a long life. A great choice to replace worn or damaged pumps.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This fuel pump is perfect for anyone with an Onan-powered riding mower needing a reliable replacement. It’s easy to install and built to last, making it a great choice for improving engine performance.
Ready to Purchase?
9. gradora Voltage Regulator Rectifier Replacement for Onan P-Series 16HP-20HP B Engine 20 Amp 191-1748 191-2106 191-2208 191-2227 John Deere 318-420 Lawn Tractor

The Gradora Voltage Regulator Rectifier is a direct replacement for your lawn tractor’s electrical system. It works with John Deere 318-420 models and Onan P-Series engines.
Easy to install, replaces OEM numbers, and fits Onan P Series 16-20 HP engines. Works with Wheel Horse models too. 20 Amp rating.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This voltage regulator rectifier is perfect for anyone with a John Deere 318-420 lawn tractor or Onan P-Series engine needing a reliable replacement. It’s easy to install and works seamlessly with 16HP-20HP models.
Ready to Purchase?
10. Ignition Coil for for Onan P218G P220 P224G Engine Models BF BFA BG BGA BGE B43E B43G B43M B48G Replace OEM 166-0772 166-0804 541-0522

This ignition coil is a perfect replacement for Onan engine models, fitting BF, BFA, BG, and more. It replaces OEM parts like 166-0772 and 541-0522, offering reliable performance.
Made with high-quality materials, it’s built to last. Enjoy a 30-day return and 6-month warranty for peace of mind.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This ignition coil is perfect for anyone with an Onan engine needing a reliable replacement. It’s easy to install and built to last, ensuring your engine runs smoothly.
Ready to Purchase?
Buying Guide
Onan engines are reliable, but they need quality parts to keep running smoothly. Whether you’re fixing a lawn mower, tractor, or welder, finding the right parts saves time and money. Our guide highlights the best Onan engine parts to keep your engine in peak condition.
Buying Onan Engine Parts: What to Consider
– Compatibility: Always check if the part fits your Onan model. Look for specific engine types like P216, B48, or P220 to ensure a perfect match.
– Quality: Choose parts made from durable materials like high-quality paper, fiber, or rubber. They should meet or exceed original standards.
– Ease of Installation: Look for parts that are easy to install, saving you time and hassle. Many kits come with clear instructions or require no special tools.
– Price: Compare prices to find affordable options without sacrificing quality. Aftermarket parts often cost less than OEM but work just as well.
– Warranty: Opt for parts with a warranty for added peace of mind. Look for return policies or repair guarantees.
– Performance: Ensure the part improves engine performance, whether it’s a fuel pump, ignition coil, or filter kit.
– Brand Reputation: Buy from trusted brands like Lil Red Barn, LIDSCURA, or CNPAPC. They’re known for reliable products.
Shop with Confidence
With the right parts, your Onan engine will run like new. Use this guide to make an informed choice and keep your equipment in top shape.