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If you own a 2008-2011 Subaru Impreza, a failing valve cover gasket can lead to visible oil leaks, burning oil smells, and mess under the hood. Choosing the right valve cover gasket matters because the correct material and fit keep oil contained, protect ignition components, and reduce the chance of engine bay fires or misfires caused by oil contamination.This guide covers six top valve cover gaskets shortlisted for the 2008-2011 Impreza. We evaluate each option for fitment accuracy, material resilience, and installation practicality so you can pick the best replacement for normal driving, higher-mileage engines, or preventive maintenance. Read on for what to check before you buy and practical installation considerations.
Looking for other parts? See all Subaru Impreza parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | DNJ Valve Cover Gasket Kit for 2.5L Subaru EJ25 Engines (fits select 1999–2011 models) |  |
| Best Quality Built to a higher standard if you want something more solid | MPLUS Valve Cover Gasket Set for 2.5L EJ253 Engines |  |
| Best Value The sweet spot between price and what you get | A-Premium Valve Cover Gasket Set for Subaru H4 2.5L (EJ253) |  |
| Best Budget The cheapest option that still gets the job done reliably | RICHWEI Valve Cover Gasket Set VS50780R for 2.5L Subaru 2006–2012 |  |
| Highest Rated A top-rated pick with lots of positive feedback | Subaru Genuine Valve Cover Gasket Kit for 2.5L SOHC (2005–2012) |  |
| Most Popular A crowd favorite that many people choose with confidence | Fel-Pro VS 50780 R Engine Valve Cover Gasket Set for Subaru |  |
1. DNJ Valve Cover Gasket Kit for 2.5L Subaru EJ25 Engines (fits select 1999–2011 models)
| Brand | DNJ |
|---|---|
| Model | VALVE COVER GASKETS |
| Item model number | VC715G |
| Compatible engines | 2.5L SOHC EJ251/EJ252/EJ253/EJ259 |
| Includes | Spark plug tube seals & grommets if required |
The DNJ valve cover gasket kit is a factory-style replacement designed to restore a proper seal on Subaru 2.5L SOHC EJ25-series engines common in Impreza and Forester models. It installs between the valve cover and cylinder head to stop oil seepage and maintain internal crankcase pressure. The kit is built from premium gasket materials and is offered with spark plug tube seals and grommets where required for complete fitment. In real-world use this means a straightforward repair for engines showing oil leaks around the valve cover, helping prevent oil on ignition components and reducing smoke or smell issues. The design targets direct fit to the listed model years, so installation is typically bolt-on for anyone comfortable with basic engine work or a local shop. Limitations: the kit selection is specific to certain EJ251/EJ252/EJ253/EJ259 variants, so confirm engine code and inclusion of tube seals before starting the job because variations across years may require different parts.
Best for: Buyers seeking a reliable, no-frills replacement to stop valve cover oil leaks on 2008–2011 Subaru Impreza EJ25 engines who value direct-fit parts and straightforward installation.
Less Ideal for: Those who want a universal gasket solution for multiple engine families or owners who prefer a full OEM dealer part with manufacturer-specific packaging and documentation.
- Made to match factory valve cover profile for a direct-fit repair on specified EJ25 engines
- Includes spark plug tube seals and grommets where required for a complete seal
- Constructed from durable gasket material rated for engine temperatures and fluids
- Reduces oil leaks and associated mess or ignition problems when properly installed
- Fitment limited to specific EJ25 engine codes and model years so verification is needed before purchase
Verdict: Choose this DNJ kit when you need a durable, direct-fit valve cover gasket to stop oil leaks on 2008–2011 Subaru Impreza 2.5L EJ25 engines.
2. MPLUS Valve Cover Gasket Set for 2.5L EJ253 Engines
| Fitment | 2006-2012 Subaru Legacy/Impreza/Forester/Outback; 2006 Saab 9-2X (EJ253 2.5L SOHC) |
|---|---|
| OEM Part Number | VS50780R |
| Manufacturer | MPLUS OE SOLUTION AUTOPARTS |
| Item Weight | 6.7 ounces |
This MPLUS valve cover gasket set replaces the factory VS50780R gasket on 2.5L EJ253 Subaru engines and is intended to stop oil leaks at the valve cover. It is molded from rubber and includes the pieces needed to reseal the valve cover during routine maintenance or a gasket replacement while servicing the top end. Installation is straightforward for any mechanic comfortable removing the valve cover and torqueing fasteners to spec, and the manufacturer says the material meets or exceeds factory standards. For performance-focused owners, a leak-free valve cover helps maintain oil pressure and keeps oil off intake components and turbo plumbing, which is useful when tracking or tuning. Limitations are that this is an aftermarket rubber kit rather than a high-end silicone or multi-layer design, and long-term durability depends on correct installation and torque sequence. Fitment must be confirmed for 2008 to 2011 Impreza variants with the EJ253 engine before purchase.
Best for: Enthusiastic Subaru owners who need a direct-fit valve cover gasket to stop leaks and keep an engine bay clean during performance tuning or routine maintenance.
Less Ideal for: Buyers seeking premium multi-layer or specialty material gaskets for extreme-duty or long-term track use should consider higher-grade alternatives.
- Made from molded rubber for reliable sealing against oil leaks
- Specifically listed to replace OEM part VS50780R for EJ253 2.5L engines
- Simple direct-replacement design makes installation quick during routine top-end service
- Meets or exceeds factory standards per manufacturer claims
- Aftermarket rubber construction may not match longer-term resilience of higher-end materials such as specialty silicone kits
Verdict: A straightforward direct-replacement gasket set that reliably reseals EJ253 valve covers to stop leaks and keep a performance Subaru running clean.
3. A-Premium Valve Cover Gasket Set for Subaru H4 2.5L (EJ253)
| Compatible engines | EJ253 H4 2.5L |
|---|---|
| Included parts | 2 valve cover gaskets, 4 spark plug tube seals |
| Material | NBR/ACM rubber |
| Operating temperature | -20°C – 150°C |
| Reference numbers | VS50473, VS50780R |
This A-Premium valve cover gasket set replaces worn seals on Subaru 2.5L EJ253 engines to stop oil leaks from the valve cover and spark plug wells. The kit includes two valve cover gaskets and four spark plug tube seals made from NBR/ACM rubber with claimed resistance to high and low viscosity oils and an operating range from -20°C to 150°C. It is intended for direct-fit replacement on compatible Subaru models and is manufactured to match original dimensions for a tight seal. In practice that makes this a straightforward repair for DIY mechanics addressing seepage or heavy oil buildup around the valve cover and plug tubes. The blue rubber parts and included tube seals simplify a full gasket replacement without hunting down separate pieces. Expect simple installation if you follow torque specs and clean the sealing surfaces; the product does not include metal hardware or explicit installation instructions so shops or experienced owners may finish faster. Overall it is a budget-friendly, OEM-fit replacement for stopping common oil leaks on the EJ253 engine family.
Best for: Buyers who want a cost-effective, OEM-dimension replacement to stop valve cover and spark plug well leaks on the EJ253-equipped Subaru and who are comfortable doing a gasket swap or working with a small shop.
Less Ideal for: People seeking a complete hardware refresh with new bolts, washers, or dealer-supported parts, or those who prefer parts with extended verified warranties and branded packaging.
- Includes both valve cover gaskets and four spark plug tube seals for a complete valve cover reseal
- Made from NBR/ACM rubber formulated for oil resistance and elevated temperatures
- Manufactured to match original dimensions for a precise fit on the EJ253 valve cover
- Covers the common Subaru 2.5L applications listed, reducing the need to source multiple parts
- Does not include metal fasteners or detailed installation instructions
- Color and packaging may differ from factory parts which could affect visual matching during repairs
Verdict: A practical, budget-friendly valve cover gasket kit that restores a leak-free seal on Subaru EJ253 2.5L engines with OEM-fit dimensions.
4. RICHWEI Valve Cover Gasket Set VS50780R for 2.5L Subaru 2006–2012
| Brand | RICHWEI |
|---|---|
| Part Number | VS50780R |
| Material Type | Rubber |
This RICHWEI valve cover gasket set is a basic rubber replacement meant to reseal the valve cover on Subaru 2.5L engines used in models like the 2008–2011 Impreza. Installation follows the usual gasket swap procedure: remove the valve cover, replace the old gasket with the new rubber set, and torque the cover to spec. The kit lists compatibility across several Subaru and Saab 2.5L applications and is manufactured from rubber material that is claimed to meet production checks. For a budget repair this gasket set provides a straightforward way to stop oil leaks and restore a proper seal without replacing expensive components. Expect simple fit-and-forget performance in everyday driving, but this type of aftermarket rubber gasket may not offer the longer-term heat or chemical resistance of higher-end multi-layer or silicone options. Also confirm year and engine match before ordering since fitment is specific to the 2.5L lineup.
Best for: Budget-minded DIY owners doing a straightforward valve cover gasket replacement on a 2008–2011 Impreza 2.5L who prioritize low-cost, functional repair over long-term premium durability.
Less Ideal for: Drivers seeking the longest-lasting, high-heat-resistant gasket or professional shops that prefer premium materials and warranties.
- Designed to match 2.5L Subaru valve cover applications for years listed
- Simple rubber construction makes it easy to install during a routine gasket job
- Affordable replacement option for stopping valve cover oil leaks
- Rubber material may age faster than silicone or multi-layer gaskets under high heat
- Limited fitment strictly for the listed 2.5L Subaru and Saab years so careful verification is required
Verdict: A low-cost, no-frills rubber replacement gasket set that gets a leaking 2.5L Subaru valve cover sealed again without breaking the budget.
5. Subaru Genuine Valve Cover Gasket Kit for 2.5L SOHC (2005–2012)
| Manufacturer | SUBARU |
|---|---|
| Fits Years | 2005-2012 (listed range) |
| Includes | Valve cover gaskets x2; Spark tube seals x4 |
This genuine Subaru valve cover gasket kit replaces the worn seals on 2.5L SOHC non-turbo engines used in select Impreza, Outback, Legacy, Forester, and Baja models. The kit includes two valve cover gaskets and four spark tube seals sold as factory-sealed parts, so installation returns the valve cover-to-head and spark tube sealing to factory specification. Typical use is during routine maintenance or when oil seepage or misfires indicate leaking spark tube seals; fitment covers the non-turbo 2005–2011 Impreza specified in the listing. Using the OEM kit reduces the chance of repeat leaks that can happen with lower-cost aftermarket sets and simplifies installation because the pieces match factory mating surfaces. A practical limitation is that this part is only for the 2.5L SOHC non-turbo engines and will not fit turbo or different-displacement variants, so confirm engine type before ordering. The kit is straightforward to install for a competent DIYer or to hand to a technician for a reliable factory-quality repair.
Best for: Buyers who prioritize a long-term, factory-quality repair for a 2008–2011 Subaru Impreza with the 2.5L SOHC non-turbo engine and want a direct replacement that minimizes chances of future leaks.
Less Ideal for: If you have a turbocharged Impreza, a different engine displacement, or need a universal aftermarket gasket for multiple vehicle types, this OEM-specific kit is not a good fit.
- Factory-sealed genuine Subaru parts designed to match original mating surfaces
- Includes both valve cover gaskets and four spark tube seals for a complete reseal
- Reduces risk of repeat oil leaks compared with many aftermarket kits
- Suitable for straightforward DIY replacement or dealer installation
- Only compatible with the 2.5L SOHC non-turbo engine configuration and not applicable to turbo or other engine variants
Verdict: Choose this genuine Subaru gasket kit when you want a factory-quality, long-lasting reseal for a 2.5L SOHC non-turbo Impreza to stop oil leaks and avoid repeat repairs.
6. Fel-Pro VS 50780 R Engine Valve Cover Gasket Set for Subaru
| Material | Rubber |
|---|---|
| Manufacturer | Fel-Pro |
| Unit Count | 1.0 Count |
| Manufacturer Part Number | VS50780R |
The Fel-Pro VS 50780 R valve cover gasket set is a purpose-built replacement kit for mid-2000s Subaru engines that supplies the rubber cork-style gaskets and related pieces needed to reseal the valve cover area. It is typically used during routine maintenance or to stop oil seepage from aging valve cover seals. Fel-Pro builds these gaskets from a cork-rubber formulation designed to conform to imperfect sealing surfaces, which helps achieve a reliable seal on engines with minor surface wear. The set is marketed to include every needed part for the repair unless noted, and the parts are tested on-vehicle for fit and performance. In practice this means straightforward installation for a mechanically inclined DIYer or a quick swap by a professional, reducing the chance of repeat leaks. The kit is focused on sealing performance rather than cosmetic finish, and because it is a direct replacement design buyers should confirm exact year and engine fitment before purchasing.
Best for: Buyers who want a proven, brand-name replacement gasket set backed by solid customer feedback and who prioritize a leak-free repair over aftermarket styling.
Less Ideal for: Those seeking a universal or multi-vehicle gasket solution or buyers who need a cosmetic upgrade rather than a functional seal.
- Vehicle-specific design tested on-vehicle for accurate fit
- Cork-rubber formulation conforms to imperfect sealing surfaces for improved sealing
- Includes all parts needed for most valve cover reseals
- Manufactured by Fel-Pro, a brand known for gasket-focused products
- Fitment is limited to specific Subaru model years so compatibility must be confirmed before purchase
Verdict: Choose this Fel-Pro set when you want a tested, vehicle-specific replacement that focuses on reliable sealing for compatible Subaru valve covers.
Choosing the Right 2008-2011 Subaru Impreza Valve Cover Gasket: Key Factors to Consider
Material and Compound
The gasket compound determines how well the seal holds up to heat, oil, and age. Rubber blends and synthetic elastomers resist oil swelling but vary in brittleness over time. Viton or higher-grade elastomers typically resist degradation from hot oil and additives better than basic rubber, which can harden and crack.
Material choice also affects compression and the ability to form a consistent seal around irregular surfaces. Softer compounds may seal more easily on slightly warped covers but can extrude under high bolt torque. Firmer compounds maintain shape but may require precise torque control during installation. For an Impreza, choose a material that balances flexibility and thermal resilience to reduce the chance of repeated leaks.
Fitment Accuracy
A gasket that matches the valve cover and head geometry of the 2008-2011 Impreza is essential. Mismatched bolt hole locations, incorrect port cutouts, or improper thickness can lead to incomplete sealing and persistent oil seepage. Accurate fitment reduces the need for trimming or modification during installation, which can introduce failure points.
Check that the gasket accommodates PCV ports, spark plug tube seals, and any OEM grommets. A precisely cut gasket speeds installation and lowers the risk of misalignment that can pinch or stretch the material.
Spark Plug Tube Seals and Grommets
Many oil leaks manifest around the spark plug wells on the Impreza, so integrated tube seals or separate grommets are critical. These components prevent oil from pooling in the wells and fouling ignition coils or spark plugs. If the gasket includes an improved tube seal design or durable replacement grommets, you reduce the likelihood of repeat repairs.
Evaluate whether tube seals are bonded to the main gasket or supplied as separate pieces. Bonded seals simplify installation but can complicate replacement of a single worn tube seal later. Replaceable grommets offer service flexibility but require careful placement during install to ensure an even seal.
Resistance to Oil and Heat Cycling
The Impreza engine experiences regular heat cycles and exposure to oil, coolant vapor, and combustion byproducts. Gaskets that resist chemical attack and retain elasticity after repeated heating will last longer and prevent leaks. Look for materials rated for continuous exposure to engine oil and temperatures typical of the 2008-2011 Impreza engine bay.
Products with proven resistance to swelling, hardening, or cracking under thermal cycling reduce the chance of leaks developing after a single season of driving. Longevity here impacts overall maintenance frequency and cost.
Installation and Serviceability
Some gaskets are designed for straightforward swapouts with minimal additional parts, while others require supplements such as sealants or new hardware. Ease of installation matters if you plan to replace the gasket yourself, including whether the gasket holds shape during placement and whether included components are sufficient.
Also consider how the gasket interacts with torque procedures and whether it tolerates minor imperfections in the valve cover or head surface. Service-friendly designs reduce installation time and the risk of improper seating, which is especially important for DIY repairs on the 2008-2011 Impreza.
Durability and Expected Service Life
Expected service life depends on material, local climate, driving patterns, and engine condition. A durable gasket reduces the frequency of repeat replacements and the cost of related repairs from oil contamination. Consider whether the manufacturer provides longevity data or whether user-reported lifespans align with your maintenance plan.
Durability also ties into how the gasket behaves under cold starts and long idles. A gasket that maintains elasticity across temperature ranges will avoid hardening in winter and softening in extreme heat, making it a better long-term value for Impreza owners.
Common Symptoms of a Failing Valve Cover Gasket
Recognizing failure early helps prevent secondary damage. Typical signs include visible oil around the valve cover perimeter, oil pooling in spark plug wells, smoke or burning oil smells when the engine is hot, and occasional misfires if oil contacts ignition components.
Another symptom is finding oil on the underside of the engine cover or on intake components. Note that small seepage can be slow to show up on the driveway but becomes obvious during oil changes or when cleaning the engine bay.
- Oil traces along valve cover seams or bolts
- Oil in spark plug wells or on ignition coils
- Burning oil odor during hot operation
- Intermittent misfires related to fouled plugs
Pre-Installation Checklist for 2008-2011 Impreza
Before you start the replacement, gather the right tools and new hardware. Inspect the valve cover for warping or damage and plan to clean mating surfaces thoroughly. Replace any deteriorated grommets, bolts, or spark plug tube seals that are accessible during the job.
Verify torque specs for the Impreza valve cover bolts and follow a cross-pattern tightening sequence to ensure even clamping. Having a torque wrench and appropriate sockets avoids over-tightening, which can pinch or extrude softer gasket materials.
- Clean mating surfaces of old gasket residue
- Inspect valve cover for cracks or warpage
- Replace grommets and tube seals if brittle
- Use a calibrated torque wrench for final tightening
When to Replace Grommets and Tube Seals
Grommets and tube seals often fail before the main gasket because they sit where oil collects and experience repeated compression. Replace them proactively if they appear flattened, cracked, or hardened. Replacing these parts during a gasket service is cost-effective and reduces the chance of a repeat leak shortly after installation.
If the existing grommets are bonded to the old gasket and show signs of age, replace them rather than attempting to reuse. New, flexible seals help maintain a reliable barrier around spark plug wells and bolt locations.
- Replace grommets that are cracked, brittle, or flattened
- Change tube seals if oil is present in spark plug wells
- Swap grommets during gasket replacement to avoid disassembly later
Practical Tips for a Leak-Free Installation
Clean the head and valve cover mating surfaces with a non-abrasive solvent and a plastic scraper. Avoid gouging sealing surfaces. Dry thoroughly before attempting to seat the new gasket. Position any separate tube seals or grommets carefully to prevent folding or twisting as you lower the cover.
Follow the manufacturer-recommended torque sequence and values for the 2008-2011 Impreza valve cover bolts. If a small amount of sealant is recommended by the gasket manufacturer for specific corners or joints, use only a thin bead and allow the correct cure time before starting the engine.
- Use a non-abrasive scraper to remove old gasket material
- Dry surfaces completely before fitting the new gasket
- Hand-start bolts to ensure alignment before torquing
How to Verify a Successful Repair
After installation, run the engine and inspect the valve cover perimeter and spark plug wells for fresh oil. Allow the engine to reach normal operating temperature and recheck the area for leaks once cooled. A good repair shows no new oil traces after a few heat cycles.
Monitor for related symptoms such as persistent burning smells or misfires. Re-check bolt torque after the first heat cycle if the gasket manufacturer recommends it, and routinely inspect the area during the next few oil changes to confirm long-term sealing.
- Inspect for leaks after first heat cycle and after cooling
- Monitor spark plug wells for any sign of oil
- Re-torque bolts if recommended by the gasket instructions
Still looking for the perfect fit?
Select your Subaru Impreza configuration to see the most relevant Valve Cover Gaskets recommendations
How We Chose the Best 2008-2011 Subaru Impreza Valve Cover Gasket
We focused on criteria that directly affect long-term sealing performance and serviceability on 2008-2011 Subaru Impreza engines. Primary evaluation factors included gasket material and construction, because rubber, Viton, or composite compounds age differently under heat and oil exposure. Fitment precision was assessed to ensure correct alignment with valve cover ports, bolt holes, and PCV components specific to the 2008-2011 Impreza.Durability under thermal cycling was a key filter, reflecting the Impreza engine bay heat and seasonal temperature swings. Ease of installation and compatibility with common replacement workflows were considered, including whether additional grommets or washers are required and whether the design tolerates routine torque procedures. We also considered resistance to oil and common engine fluids, plus longevity data from user reports and manufacturer material specs.Excluded items included generic universal gasket kits and multi-vehicle kits that do not provide precise Impreza-specific fitment. We also excluded products lacking clear material specifications or those intended only for cosmetic cover upgrades. The result is a curated set of gaskets ranked by fitment accuracy, expected life under heat and oil exposure, and straightforward install characteristics.
Our full evaluation process is outlined in our review methodology.
FAQ
How long does a valve cover gasket typically last on a 2008-2011 Impreza?
It often depends on driving conditions and material quality, but a well-made gasket can last many years. Heat cycling and oil contaminants shorten life, so expect variable lifespans and inspect periodically for signs of wear.
Can I replace just the grommets instead of the entire gasket?
You can replace grommets separately if they are sold and fit independently. However, if the main gasket shows age or the grommets are bonded to it, replacing the whole assembly is usually more reliable and prevents repeat disassembly.
Do I need special tools to replace the valve cover gasket on my Impreza?
Basic hand tools and a torque wrench are typically sufficient. A non-abrasive scraper, solvent for cleaning mating surfaces, and replacement grommets are helpful. More complex repairs may require additional specialty tools depending on surrounding components.
Will a small oil leak from the valve cover cause engine damage?
Small leaks by themselves usually do not cause immediate engine failure, but oil on ignition components can cause misfires and burning smells and may lead to more serious issues if left unaddressed. It is best to repair leaks promptly to avoid secondary damage.
Should I use gasket sealant when installing a replacement?
That depends on the gasket design. Many modern gaskets are designed to seal without additional sealant. If the manufacturer specifies a small bead in specific areas, follow those instructions carefully and use only the recommended type.
How do I confirm correct valve cover gasket fitment before buying?
Compare the gasket layout to the valve cover and head pattern for your 2008-2011 Impreza, checking bolt hole spacing, PCV port locations, and spark plug tube positions. Supplier fitment notes and clear photos can help verify compatibility before purchase.
Final Verdict
For the 2008-2011 Subaru Impreza, prioritize a valve cover gasket that offers precise fitment, durable material resistance to oil and heat, and reliable spark plug tube sealing. Balancing material resilience with ease of installation reduces the chance of repeat leaks and minimizes related ignition issues.When deciding, weigh the tradeoff between softer compounds that conform to imperfect surfaces and firmer materials that resist extrusion. Replace grommets and tube seals during the service when they show any age, and follow proper torque and cleaning procedures to ensure a long-lasting repair.
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