Looking for the best Subaru Forester O-rings to keep your vehicle running smoothly? We’ve curated a list of the top 10 O-rings to help you prevent leaks and ensure reliable performance.
Subaru Forester owners know the importance of keeping their vehicles in top shape. One small but crucial part is the O-ring, which helps prevent leaks and ensures smooth performance.
These tiny seals play a big role in your car’s engine, transmission, and cooling systems. Choosing the right O-rings can save you time and money while keeping your Forester running reliably.
List of Top 10 Subaru Forester O-Rings
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ZanFyxil 806912200 O-Ring (12.3×2.4mm) -CVT Transmission Control Valve Seal – Fit for Subaru Crosstrek, Forester, Impreza, Legacy, Outback XV Crosstrek – 2 Pack |
This ZanFyxil O-Ring 2-pack is perfect for Subaru owners who want to keep their CVT transmission running smoothly. It’s ideal for those with 2016-2021 Crosstrek, 2014-2021 Forester, 2012-2021 Impreza, 2013-2021 Legacy, 2013-2021 Outback, or 2013-2015 XV Crosstrek models. |
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Subaru 806912200 O-Ring (12.3X2.4) CVT Transmission Control Valve Seal Fits Crosstrek, Forester, Impreza, Legacy, Outback |
This Subaru O-Ring Seal is perfect for owners of Crosstrek, Forester, Impreza, Legacy, or Outback models from 2012 to 2023. It’s a must-have for keeping your CVT transmission in top shape. |
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2-Pack 806933010 Water Crossover Pipe O-Ring (33.7×3.5mm) – Compatible with 1993-2019 Subaru Impreza, WRX, STI, Forester, Outback, Legacy, Crosstrek, BRZ |
This 2-Pack Water Crossover Pipe O-Ring is perfect for Subaru owners who want to fix cooling system leaks. It’s ideal for DIY repairs or keeping a spare for future needs. |
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Genuine Subaru 73039TA040 Seal O-Ring, 1 Pack |
This Genuine Subaru Seal O-Ring is for you. It is a strong and safe part. It has a universal fit for your car. It is light and dependable. This one pack is a great fit. |
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6 PCS 34439FG000 34439AE021 Power Steering Pump Rubber Inlet & Outlet O-Ring Seals,Compatible with Subaru 2003 to 2018 Impreza, WRX, STI, Forester, Legacy, Outback, and Baja Turbo |
This 6-piece O-ring set is perfect for Subaru owners and mechanics who want to fix power steering leaks and improve driving stability. It’s easy to install and saves time and money. |
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3-Pack 806912200 O-Ring | Fits for Subaru Crosstrek Forester Impreza Legacy Outback | CVT Transmission Control Valve Seal | 12.3mm x 2.4mm |
This 3-pack of O-rings is perfect for Subaru owners who want to keep their CVT transmission in top shape. It’s ideal for DIYers and mechanics working on Crosstrek, Forester, Impreza, Legacy, Outback, or XV Crosstrek models. |
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2 pcs 34439AE021 O-Ring Compatible with Genuine Subaru Power Steering Suction Inlet O-Ring |
This O-ring kit is perfect for Subaru owners who want a reliable and easy fix for their power steering system. It’s great for DIYers and mechanics alike, offering a durable, precise fit for older Subaru models. |
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Subaru Water Transfer Pipe O-Ring Set of 2 for Impreza WRX STi Turbo Forester Outback – 806933080 – Genuine OEM |
This Subaru Water Transfer Pipe O-Ring Set is perfect for Subaru owners who want reliable, genuine parts. It fits popular models like the Impreza, WRX, Forester, and Outback, ensuring a perfect fit and long-lasting performance. |
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806944060 for Subaru Variable Control Valve O-Ring,Compatible with Subaru 2011-2025 Variable WRX Forester Ascent BRZ Crosstrek Impreza Outback WRX Legacy 2-Pack |
This 2-pack of 806944060 O-rings is perfect for Subaru owners who want to fix oil leaks and keep their engines running smoothly. It’s easy to install and saves money by avoiding costly repairs. |
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Subaru Block Half O-Rings WRX STi Forester Outback Legacy Turbo and Non-Turbo – Genuine OEM |
This product is perfect for mechanics and car owners needing genuine OEM parts for Subaru models. It fits Subaru WRX STi, Forester, Outback, Legacy—both turbo and non-turbo engines. |
Detailed Reviews
Find the best seals. They fit your car. The rings help stop leaks. They keep your oil safe.
1. ZanFyxil 806912200 O-Ring (12.3×2.4mm) -CVT Transmission Control Valve Seal – Fit for Subaru Crosstrek, Forester, Impreza, Legacy, Outback XV Crosstrek – 2 Pack

The ZanFyxil 806912200 O-Ring is a must-have for Subaru owners. This 2-pack of 12.3×2.4mm seals fits multiple models, ensuring a perfect fit. It’s designed to restore transmission performance and prevent leaks.
These premium seals are built to last, handling the high demands of CVT transmissions. They enhance efficiency and extend your drivetrain’s life, saving you time and money.
| Pros | Cons |
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Perfect For:
This ZanFyxil O-Ring 2-pack is perfect for Subaru owners who want to keep their CVT transmission running smoothly. It’s ideal for those with 2016-2021 Crosstrek, 2014-2021 Forester, 2012-2021 Impreza, 2013-2021 Legacy, 2013-2021 Outback, or 2013-2015 XV Crosstrek models.
Ready to Purchase?
2. Subaru 806912200 O-Ring (12.3X2.4) CVT Transmission Control Valve Seal Fits Crosstrek, Forester, Impreza, Legacy, Outback

The Subaru 806912200 O-Ring is a vital seal for your car’s CVT transmission control valve. It fits Crosstrek, Forester, Impreza, Legacy, and Outback models, ensuring smooth performance.
This O-Ring is easy to install and built to last. It keeps your transmission running smoothly and prevents leaks. Trust this genuine Subaru part for reliable performance.
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Perfect For:
This Subaru O-Ring Seal is perfect for owners of Crosstrek, Forester, Impreza, Legacy, or Outback models from 2012 to 2023. It’s a must-have for keeping your CVT transmission in top shape.
Ready to Purchase?
3. 2-Pack 806933010 Water Crossover Pipe O-Ring (33.7×3.5mm) – Compatible with 1993-2019 Subaru Impreza, WRX, STI, Forester, Outback, Legacy, Crosstrek, BRZ

The 2-Pack 806933010 Water Crossover Pipe O-Ring is a must-have for Subaru owners. It fits 1993-2019 models like Impreza, WRX, and Forester. These O-rings are 33.7mm ID x 3.5mm thick.
They fix coolant leaks at the crossover pipe. This prevents coolant loss and keeps your engine cool. The rubber material resists heat and coolant damage.
Each pack includes two O-rings. Use one now and save the other for later. Perfect for repairs and maintenance.
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Perfect For:
This 2-Pack Water Crossover Pipe O-Ring is perfect for Subaru owners who want to fix cooling system leaks. It’s ideal for DIY repairs or keeping a spare for future needs.
Ready to Purchase?
4. Genuine Subaru 73039TA040 Seal O-Ring, 1 Pack

The Genuine Subaru 73039TA040 Seal O-Ring is a reliable and essential part for your vehicle. It comes in a compact package, making it easy to store. This O-ring ensures a tight seal, keeping your car running smoothly.
This product is lightweight, weighing only 0.113 kilograms. Its small size (10.16 H x 0.025 L x 5.207 W cm) makes it easy to handle. The universal fit type means it works with many vehicles.
With its dependability, this Subaru O-ring is a great choice for car owners. It’s a simple yet effective solution for maintaining your vehicle. Trust this genuine part to keep your car in top shape.
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Perfect For:
This Genuine Subaru Seal O-Ring is for you. It is a strong and safe part. It has a universal fit for your car. It is light and dependable. This one pack is a great fit.
Ready to Purchase?
5. 6 PCS 34439FG000 34439AE021 Power Steering Pump Rubber Inlet & Outlet O-Ring Seals,Compatible with Subaru 2003 to 2018 Impreza, WRX, STI, Forester, Legacy, Outback, and Baja Turbo

Fix leaks and restore your Subaru’s steering with this 6-piece O-ring set. It’s compatible with many Subaru models from 2003 to 2018.
Made of oil-resistant rubber, these O-rings last long and handle high heat and pressure. They seal tightly, preventing fluid leaks and keeping your steering smooth.
Easy to install, these O-rings save time and money. Perfect for DIY repairs, they work like the original parts and keep your car safe.
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Perfect For:
This 6-piece O-ring set is perfect for Subaru owners and mechanics who want to fix power steering leaks and improve driving stability. It’s easy to install and saves time and money.
Ready to Purchase?
6. 3-Pack 806912200 O-Ring | Fits for Subaru Crosstrek Forester Impreza Legacy Outback | CVT Transmission Control Valve Seal | 12.3mm x 2.4mm

Keep your Subaru’s CVT transmission running smoothly with this 3-pack of 806912200 O-rings. Designed as a direct replacement, these O-rings meet original equipment specifications for a perfect fit.
Fits many Subaru models, including Crosstrek, Forester, Impreza, Legacy, and Outback. Precision dimensions ensure reliable sealing to prevent leaks.
Made from durable, high-grade rubber, these O-rings resist fluid, heat, and pressure. The 3-pack offers great value, with spares for future maintenance.
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Perfect For:
This 3-pack of O-rings is perfect for Subaru owners who want to keep their CVT transmission in top shape. It’s ideal for DIYers and mechanics working on Crosstrek, Forester, Impreza, Legacy, Outback, or XV Crosstrek models.
Ready to Purchase?
7. 2 pcs 34439AE021 O-Ring Compatible with Genuine Subaru Power Steering Suction Inlet O-Ring

Keep your Subaru’s power steering running smoothly with this 2-pack of 34439AE021 O-rings. These genuine replacements are designed to fit perfectly and ensure stable performance.
Works with many Subaru models, including Forester, Impreza, Legacy, and Outback. Made from durable rubber for long-lasting use.
Easy to install yourself, saving time and money. Comes with 24-hour support for peace of mind.
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Perfect For:
This O-ring kit is perfect for Subaru owners who want a reliable and easy fix for their power steering system. It’s great for DIYers and mechanics alike, offering a durable, precise fit for older Subaru models.
Ready to Purchase?
8. Subaru Water Transfer Pipe O-Ring Set of 2 for Impreza WRX STi Turbo Forester Outback – 806933080 – Genuine OEM

Keep your Subaru running smoothly with this genuine OEM water transfer pipe O-ring set. This set of 2 is designed for a perfect fit in various Subaru models. It replaces the old part number 806933010 with the new 806933080.
This O-ring set works with many Subaru cars, including the Impreza, WRX, Forester, and Outback. It ensures a tight seal for your water transfer pipe, helping your engine stay cool and efficient.
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Perfect For:
This Subaru Water Transfer Pipe O-Ring Set is perfect for Subaru owners who want reliable, genuine parts. It fits popular models like the Impreza, WRX, Forester, and Outback, ensuring a perfect fit and long-lasting performance.
Ready to Purchase?
9. 806944060 for Subaru Variable Control Valve O-Ring,Compatible with Subaru 2011-2025 Variable WRX Forester Ascent BRZ Crosstrek Impreza Outback WRX Legacy 2-Pack

The 806944060 O-Ring is perfect for Subaru owners. It fits many models, like the WRX, Forester, and Outback. Check your vehicle before buying to ensure it’s right.
This O-Ring fixes oil leaks caused by old seals. It improves valve sealing and supports smooth engine operation. Made from high-quality rubber, it lasts longer than standard parts.
Installation is quick and easy. Replacing this small part saves time and money. Keep your Subaru running reliably with this trusted solution.
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Perfect For:
This 2-pack of 806944060 O-rings is perfect for Subaru owners who want to fix oil leaks and keep their engines running smoothly. It’s easy to install and saves money by avoiding costly repairs.
Ready to Purchase?
10. Subaru Block Half O-Rings WRX STi Forester Outback Legacy Turbo and Non-Turbo – Genuine OEM

Subaru Block Half O-Rings are genuine OEM parts designed for WRX STi, Forester, Outback, and Legacy models, both turbo and non-turbo. These black O-rings ensure a tight seal in your engine, helping it run smoothly and efficiently.
They are easy to install, built to last, and fit perfectly in your Subaru. Trust these factory-quality parts for reliable performance.
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Perfect For:
This product is perfect for mechanics and car owners needing genuine OEM parts for Subaru models. It fits Subaru WRX STi, Forester, Outback, Legacy—both turbo and non-turbo engines.
Ready to Purchase?
Buying Guide
Buy new seals. Keep your car safe. Fix leaks fast.
One driver found a small oil drip on his Subaru Forester. He bought cheap parts that did not fit well. Later, he used high quality O-rings and the leaking stopped right away. His engine now runs cool and quiet. He feels happy and secure on the road.
- Correct Size: Check your car manual first. The ring must fit tight. A loose seal will leak oil.
- Good Material: Look for strong rubber. It must handle high heat. This keeps the part soft for years.
- Heat Range: Engines get very hot. The seal must not melt or crack. Pick rings made for hot motors.
- Brand Name: Trust well known shops. They test every small part. This saves you money and time.
- Kit Value: Buy a full set. It is good to have extra parts. You will be ready for any fix.
- Smooth Finish: Look for a clean surface. Rough edges cause bad gaps. A smooth ring stays air tight.