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If your Subaru Legacy GT is showing signs of oil seepage around the top of the engine, choosing the right valve cover gasket can stop leaks, protect ignition components, and preserve engine oil levels. A correct-fit gasket and durable sealing material matter more than brand names when you need a long-lasting repair.This guide covers the top valve cover gaskets shortlisted for the Subaru Legacy GT, explains the criteria we used to evaluate them, and outlines the common symptoms and installation considerations. Use the evaluation factors to pick the gasket that best matches your repair approach and durability expectations.
Looking for other parts? See all Subaru Legacy parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | DVPARTS Valve Cover Gasket Kit for Subaru 2.5L Turbo EJ255/EJ257 |  |
| Best Budget The cheapest option that still gets the job done reliably | TIKSCIENCE Valve Cover Gasket Set for Subaru 2.5L H4 (replacement VS50620R) |  |
| Highest Rated A top-rated pick with lots of positive feedback | Subaru Genuine Valve Cover Gasket Kit for Turbo 2.5L EJ255/EJ257 |  |
| Most Popular A crowd favorite that many people choose with confidence | Fel-Pro VS 50561 R Valve Cover Gasket Set |  |
| Best Seller A high-volume bestseller chosen again and again | Fel-Pro VS 50780 R Valve Cover Gasket Set for Subaru |  |
1. DVPARTS Valve Cover Gasket Kit for Subaru 2.5L Turbo EJ255/EJ257
| Part Number | 13270-AA190 |
|---|---|
| Compatible Engines | EJ255, EJ257 2.5L turbo |
| Includes | LH gasket, RH gasket, 4 spark tube seals |
This DVPARTS valve cover gasket kit supplies both left and right valve cover gaskets and four spark tube seals intended for Subaru 2.5L turbo EJ255 and EJ257 engines. It is sold as a complete gasket set to repair common oil leaks from the valve cover area and to refresh the spark tube seals during a valve cover service. Typical use is during routine maintenance or when diagnosing oil seepage around the covers and spark plug wells. The practical benefits are straightforward: having both gaskets and the four seals in one kit reduces parts hunting and lets you reseal both banks in one visit. The kit appears to match factory part numbers listed for many Subaru models from mid 2000s through 2020, which helps with fit confidence for those specific engines. Limitations are that this is an aftermarket part so material formulation and long-term durability can vary from factory-quality pieces, and buyers should verify exact part numbers against their vehicle before installing.
Best for: Buyers who want a straightforward, all-in-one gasket kit to reseal the valve covers on a Subaru 2.5L turbo engine and prefer balancing cost and convenience with acceptable fitment for routine maintenance.
Less Ideal for: Those seeking guaranteed factory-original parts or professional shops that require OE-sourced gaskets for warranty or long-term resale considerations.
- Complete kit includes both left and right valve cover gaskets plus four spark tube seals
- Listed to match common Subaru part numbers for EJ255 and EJ257 2.5L turbo engines
- Useful for doing a full valve cover service in one job without sourcing multiple parts
- Aftermarket manufacturing means fit and longevity may differ from factory-quality parts
Verdict: A convenient all-in-one aftermarket gasket kit for resealing Subaru 2.5L turbo valve covers that balances completeness and fit for routine repair jobs.
2. TIKSCIENCE Valve Cover Gasket Set for Subaru 2.5L H4 (replacement VS50620R)
| Compatible engines/models | Subaru 2.5L H4 models listed (Forester, Impreza, Legacy, Outback, WRX, Baja, Saab 9-2X) |
|---|---|
| Part numbers replaced | VS50465 VS50620R 13293AA051 13272AA140 |
| Material Type | Rubber |
| Package contents | 2 x Valve Cover Gasket, 4 x Spark Plug Seal |
This valve cover gasket set supplies the rubber seals needed to stop oil seepage and restore proper crankcase ventilation on compatible Subaru 2.5L H4 engines. It is supplied as a plug-and-play kit with two valve cover gaskets and four spark plug seals and is intended for routine replacement when gaskets harden or start leaking. The kit advertises heat, oil, and aging resistance from its rubber material, which helps maintain a seal under normal engine temperatures and keeps the valve cover-to-head mating surface clean. Installation follows the common process of removing ignition coils and cover bolts, cleaning mating surfaces, then reinstalling components in a cross pattern to ensure even clamp force. Compared with higher-end aftermarket or OE replacements, this kit is a budget-focused option so buyers should confirm part numbers and inspect fit during installation; professional help may be useful if access is tight or bolt torque sequence is unfamiliar. For Subaru owners needing an inexpensive, direct-replacement gasket set to stop leaks, this provides the core pieces for the job without extras.
Best for: Cost-conscious Subaru owners who need a straightforward replacement to stop oil leaks and restore valve-cover sealing without paying for premium branded parts.
Less Ideal for: Users seeking a full OEM parts list or performance-upgraded materials should consider a factory-quality or premium aftermarket gasket kit instead.
- Includes valve cover gaskets and spark plug seals for a complete basic replacement
- Rubber material rated for resistance to heat, oil, and aging for standard engine conditions
- Plug-and-play design intended to match factory sealing points and simplify installation
- Limited parts included compared with full OEM kits that may include additional seals or grommets
Verdict: A budget-friendly rubber gasket kit that provides the essential valve cover and spark plug seals to stop oil leaks on compatible Subaru 2.5L H4 models.
3. Subaru Genuine Valve Cover Gasket Kit for Turbo 2.5L EJ255/EJ257
| Manufacturer | SUBARU |
|---|---|
| Item model number | 13270AA190 13272AA140 |
| Date First Available | April 10, 2016 |
This Subaru genuine valve cover gasket kit supplies the valve cover gaskets and spark tube seals used on turbocharged 2.5L Subaru engines. It is intended as a direct factory-quality replacement when removing the valve cover for routine maintenance or to repair oil leaks. The kit includes both valve cover gaskets and four spark tube seals packaged as OEM sealed parts, which reduces risk of fitment or material mismatch compared with aftermarket sets. In practice the kit simplifies reinstalling the valve cover with factory fit and sealing properties, and should restore leak-free operation when installed correctly. The main limitation is that it is specific to Subaru turbo 2.5L EJ255/EJ257 applications, so confirm engine fitment before purchasing, and installation requires valve cover removal and basic mechanical skill or a shop service. For reliability-focused buyers this kit eliminates uncertainty from lower-cost aftermarket gaskets and helps keep oil where it belongs.
Best for: Buyers who prioritize long-term reliability and want factory-quality replacement gaskets for Subaru turbo 2.5L engines rather than lower-cost aftermarket alternatives.
Less Ideal for: Anyone looking for a generic or multi-vehicle gasket kit or a budget-only repair option that may accept nonfactory parts.
- Genuine Subaru parts packaged as OEM sealed components for factory fit and materials
- Includes valve cover gaskets and four spark tube seals for a complete top-end seal replacement
- Designed specifically for turbo 2.5L EJ255/EJ257 engines to match factory sealing surfaces
- Fitment is limited to specified Subaru turbo 2.5L applications and not universal
Verdict: Choose this Subaru genuine gasket kit when you want a factory-match replacement to restore leak-free operation on turbo 2.5L Subaru engines.
4. Fel-Pro VS 50561 R Valve Cover Gasket Set
| Material | Rubber |
|---|---|
| Item Thickness | 0.34 Inches |
| Manufacturer | Fel-Pro |
The Fel-Pro VS 50561 R valve cover gasket set is built to restore a reliable seal where the original gasket has aged or leaked. Its cork-rubber compound and machined exterior help conform to uneven sealing surfaces, making installation forgiving on surfaces with minor imperfections. The set is intended as a complete repair kit and includes the necessary parts for a typical valve cover service, which simplifies a one-stop replacement job. In practice this gasket works well for routine DIY or shop repairs; the material compresses to fill gaps and resists oil soak-through better than thin paper gaskets. Because it is a specialty replacement part designed for specific Subaru applications, fitment should be confirmed for the exact engine and year before buying. Also, the part has been discontinued by the manufacturer, so buyers should verify current availability and inspect packaging to ensure they receive new, correct components.
Best for: Buyers who prioritize proven, widely reviewed replacement parts and want a gasket that tolerates imperfect mating surfaces during a standard valve-cover repair.
Less Ideal for: Those needing a part guaranteed for long-term production support or cross-vehicle compatibility should consider currently produced alternatives or an updated factory-quality gasket.
- Cork-rubber formulation conforms to imperfect sealing surfaces for a stronger seal
- Includes the full gasket set needed for a typical valve cover service
- Machined exterior and real-world vehicle testing aimed at reliable on-road performance
- Material resists oil soak-through better than thinner gasket materials
- Listed as discontinued by the manufacturer which may limit stock and future availability
- Compatibility varies by model year so requires careful fit confirmation before purchase
Verdict: Choose this Fel-Pro gasket set if you want a tried-and-tested replacement that seals imperfect valve cover surfaces and comes as a complete repair kit.
5. Fel-Pro VS 50780 R Valve Cover Gasket Set for Subaru
| Brand | Fel-Pro |
|---|---|
| Material | Rubber |
| Manufacturer Part Number | VS50780R |
| Model | gasket |
This Fel-Pro valve cover gasket set is designed to replace the factory gasket on compatible Subaru engines and provide a reliable seal during routine repairs. The kit uses a proprietary cork-rubber formulation that conforms to imperfect sealing surfaces, which helps prevent oil leaks when installing a used or slightly warped valve cover. It includes the parts needed for the repair so you do not have to hunt for additional seals. In practice this gasket works well for mechanics and do-it-yourselfers who need a straightforward replacement that matches factory fit and function; its machined exterior and vehicle-specific design simplify installation. Limitations to consider are that fitment is limited to certain model years and engines, so you must confirm exact compatibility before buying, and the rubber-cork material, while durable, is not as long-lived as some premium multi-layer or silicone-only gasket alternatives under extreme heat cycles.
Best for: Buyers seeking a dependable, factory-quality replacement gasket set for routine Subaru valve cover repairs who prioritize a straightforward, low-risk install and proven sealing performance.
Less Ideal for: Drivers looking for an ultra-high-temperature or racing-grade gasket solution should consider higher-end multi-layer or silicone options instead.
- Vehicle-specific design for direct replacement and straightforward installation
- Cork-rubber formulation conforms to imperfect sealing surfaces to reduce leak risk
- Includes all parts needed for the repair so no extra components are required
- Compatibility limited to specified model years and engine variants so fit must be verified
Verdict: Choose this Fel-Pro gasket set when you want a vehicle-specific, proven replacement that seals imperfect valve cover surfaces and simplifies a low-risk Subaru repair.
Choosing the Right Subaru Legacy GT Valve Cover Gasket: Key Factors to Consider
Material and Heat Resistance
The gasket material determines how well it holds up to repeated heat cycles and constant exposure to engine oil. Silicone and molded rubber compounds maintain elasticity at high temperatures and resist oil swelling, which reduces the risk of leaks over time.
A material that hardens or becomes brittle with heat will compress unevenly and allow oil to seep past sealing surfaces. For the Legacy GT, choose a gasket material rated for sustained under-hood temperatures and one that has documented oil resistance to avoid premature failure.
Fitment and Hole Alignment
Accurate fitment is essential to create a continuous seal around the valve cover flange and the spark plug wells. Misaligned bolt holes or incorrect contours can prevent uniform clamping force and lead to localized leaks.
When selecting a gasket, ensure the part explicitly lists compatibility with the Legacy GT configuration and that the spark plug well seals match the engine layout. Proper fitment reduces installation frustration and lowers the chance of having to redo the repair.
Seal Profile and Compression
The cross-section profile and thickness of the gasket affect how it compresses under the valve cover bolts. A gasket that compresses too much can extrude or fail; one that is too stiff might not conform to minor flange imperfections.
Look for a profile designed to provide even compression under the OEM torque range for the Legacy GT. Profiles that include integrated spark plug well seals or stepped sections help maintain a reliable seal even if the valve cover flange has slight warpage.
Compatibility With Valve Cover Condition
The condition of the valve cover surface influences gasket performance. If the mating surface is warped, corroded, or has old gasket material remaining, even a high-quality gasket may not seal properly.
Inspect and, if needed, clean or lightly dress the valve cover flange before installing a new gasket. In cases of significant warpage, pairing the gasket choice with corrective measures such as flange machining or replacement of the valve cover may be necessary for a lasting repair.
Installation Ease and Required Hardware
Ease of installation affects time and the chance of error. Gaskets that come as a full kit with spark plug well seals and clearly marked alignment features reduce installation steps. Consider whether you will need new bolts, washers, or thread sealant as part of the job.
Proper torque application and an installation sequence are critical to consistent sealing. If a gasket requires adhesive or sealant in specific areas, check manufacturer guidance and follow torque specifications to avoid overcompression or uneven sealing.
Durability and Long-Term Performance
Long-term resistance to oil degradation and thermal cycling determines how often you will repeat the repair. Choose gaskets backed by proven compound aging characteristics and resistance to oil-saturation and heat cracking.
Durable gaskets reduce the risk of repeat labor and related costs. For the Legacy GT, prioritize products with a track record of lasting multiple service intervals under normal driving and performance use.
Common Symptoms of a Failing Valve Cover Gasket
Early signs of a failing valve cover gasket on the Subaru Legacy GT include small oil stains on the top of the engine, oil on ignition coils or spark plug boots, and a noticeable drop in oil level over time. Look for dark, wet deposits along the valve cover seam and around the rear of the head near the firewall.
More advanced leakage can show as oil on exhaust components or burning oil odors after driving. Catching symptoms early helps avoid oil entering electrical components and reduces the risk of smoke from hot surfaces.
- Oil pooling near spark plug wells
- Visible oil streaks along valve cover flange
- Rough idling if oil contaminates ignition parts
- Burning oil smell under acceleration
Preparing the Engine and Workspace
Before removing the valve cover, let the engine cool and clean the surrounding area to prevent dirt from falling into the head. Gather the required tools including a torque wrench, appropriate sockets, gasket scraper or plastic trim tool, and cleaning solvent safe for aluminum surfaces.
Label and organize fasteners as you remove the valve cover to maintain correct order during reassembly. Inspect spark plug tube seals and the valve cover surface for old gasket remnants or build-up that will interfere with the new gasket.
- Work on a cool engine in a well-lit area
- Use a plastic scraper to avoid damaging mating surfaces
- Have replacement seals and bolts available if originals are worn
Torque Specs and Installation Sequence
Applying the correct torque and following the recommended tightening sequence is vital to achieve even compression and prevent leaks. Use a calibrated torque wrench and tighten fasteners in the sequence specified for the Legacy GT head/cover arrangement to avoid localized overloading.
If multiple torque stages are recommended, follow them precisely. Re-torque checks after a short break-in period can help ensure the gasket has seated properly and no initial relaxation has occurred.
- Tighten bolts gradually in crisscross or specified sequence
- Use multiple torque stages if the procedure calls for them
- Avoid overtightening; it can crush the gasket or damage threads
When to Replace Related Seals and Components
Whenever you replace the valve cover gasket, inspect and consider replacing spark plug tube seals and any O-rings that are removed during disassembly. These smaller seals are common failure points and are inexpensive compared with repeat labor.
Also check the condition of valve cover bolts and washers. Stripped threads or corroded fasteners should be replaced to ensure consistent clamping force and to prevent future leaks.
- Replace spark plug tube seals during gasket service
- Inspect bolt threads and washers for wear
- Address any valve cover warpage before installing new gasket
Fitment Notes Specific to the Legacy GT
The Legacy GT has spark plug wells and a valve cover shape that requires the gasket to seal both the perimeter and the wells effectively. Ensure the gasket you choose includes the correct number and shape of well seals and matches the cover flange profile.
Double-check that the gasket kit lists Legacy GT compatibility and that any included seals match the depth and diameter of the spark plug tubes to avoid oil intrusion into ignition components.
- Verify the kit includes spark plug well seals sized for the Legacy GT
- Confirm hole spacing and contours match the valve cover
- Check for any instructions related to mating-surface preparation
Still looking for the perfect fit?
Select your Subaru Legacy configuration to see the most relevant Valve Cover Gaskets recommendations
How We Chose the Best Subaru Legacy GT Valve Cover Gasket
We selected valve cover gaskets for the Subaru Legacy GT using a focused set of technical and practical filters designed for dependable repairs. Primary evaluation criteria included material composition and durability, because silicone and molded rubber compounds resist heat and oil better than thin cork variants. Fitment accuracy and correct hole alignment were required to ensure a snug seal around spark plug wells and mating surfaces. Included gasket thickness and compression characteristics were considered to limit post-installation leaks.We also assessed compatibility with OEM torque ranges and ease of installation, including whether gaskets allow reuse of common fasteners and accommodate valve cover warpage. Long-term resistance to oil-soaking and heat cycling was used as a proxy for longevity. Exclusions: products lacking clear vehicle fitment information, kits missing necessary seals for spark plug wells, or gaskets advertised without material specifications were excluded. The result is a list of options that balance reliability, fitment, and installer-friendly features for the Subaru Legacy GT.
Our full evaluation process is outlined in our review methodology.
FAQ
What are the most common symptoms of a bad valve cover gasket on the Legacy GT?
Common symptoms include oil found on top of the engine or around spark plug wells, oil on ignition components, a drop in oil level between services, and a noticeable burning oil smell after driving. Small leaks often start as seepage along the valve cover seam.
Can I replace the valve cover gasket myself on a Legacy GT?
Many mechanically inclined owners can replace the gasket with basic tools, a torque wrench, and patience. Proper fitment, cleaning of mating surfaces, and following torque specs are essential to avoid repeat leaks.
Do I need to replace spark plug tube seals when changing the valve cover gasket?
It is usually recommended. Spark plug tube seals are common failure points and are inexpensive; replacing them while the cover is off prevents future oil contamination of ignition components.
How long should a good valve cover gasket last on the Legacy GT?
Lifespan varies with material and operating conditions, but a quality gasket made from durable silicone or molded rubber should last multiple service intervals under normal use. Exposure to heat, oil degradation, and improper installation can shorten life.
Will a warped valve cover prevent the gasket from sealing properly?
Yes. Significant valve cover warpage can prevent even compression and lead to persistent leaks. Minor surface imperfections can often be corrected by cleaning, but substantial warpage may require machining or replacement of the valve cover.
Should I use sealant with the new gasket on a Legacy GT?
Whether to use sealant depends on the gasket design. Some modern molded gaskets are intended to seal without additional adhesives, while certain areas might benefit from a small amount of manufacturer-recommended sealant. Follow the gasket installation instructions and torque specs.
Final Verdict
When replacing the valve cover gasket on a Subaru Legacy GT, prioritize accurate fitment, durable material, and adherence to torque specifications. Addressing related seals and ensuring the valve cover mating surface is clean and flat will greatly increase the chance of a long-lasting repair.Balance ease of installation with long-term durability when choosing a gasket. By focusing on material, compression profile, and correct fitment for the Legacy GT, you can stop leaks effectively and avoid repeat work.
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