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Replacing a worn valve cover gasket on a Subaru Crosstrek matters because a proper seal prevents oil leaks, reduces smoke and odor, and helps maintain engine cleanliness. If you drive regularly or keep your Crosstrek for several years, a failing gasket can lead to messy engine bays and potential maintenance headaches.This guide presents seven shortlisted valve cover gasket options that meet common needs for Crosstrek owners. We evaluated each pick for sealing reliability, material quality, and ease of installation to help you find a durable gasket that fits your maintenance approach. Read on to see what factors to weigh before you pick a replacement gasket.
Looking for other parts? See all Subaru Crosstrek parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | AUCERAMIC Valve Cover Gasket Set with Spark Plug Seals for Subaru 2.0L/2.5L |  |
| Best Value The sweet spot between price and what you get | Fel-Pro VS50830R Valve Cover Gasket Set for Subaru |  |
| Best budget The cheapest option that still gets the job done reliably | CNS Valve Cover Gasket Set with Spark Plug Tube Seals and Grommets for Subaru 2.2L/2.5L SOHC H4 |  |
| Highest Rated A top-rated pick with lots of positive feedback | Fel-Pro VS 50043 R-2 Valve Cover Gasket Set |  |
| Most popular A crowd favorite that many people choose with confidence | DNJ Valve Cover Gasket Kit (VC715G) for 2.5L Subaru 4‑Cylinder |  |
| Best Seller A high-volume bestseller chosen again and again | YZUSGOMUMU VS50830R Valve Cover Gasket Set with Spark Plug Seals for Subaru 2.0L/2.5L |  |
1. AUCERAMIC Valve Cover Gasket Set with Spark Plug Seals for Subaru 2.0L/2.5L
| Compatible engines | Subaru 2.0L and 2.5L H4 naturally aspirated (listed years/models) |
|---|---|
| Package contents | 2 valve cover gaskets, 8 spark plug seals |
| Manufacturer | AUCERAMIC |
| Manufacturer part number | SU-0017-VC |
This valve cover gasket kit replaces the factory gasket and includes two valve cover gaskets plus eight spark plug tube seals for Subaru 2.0L and 2.5L naturally aspirated H4 engines. It is intended for DIY or shop installation to stop oil seepage from the valve cover area and to protect spark plugs from oil contamination. The set is made from a flexible rubber material and the listing emphasizes a reinforced design that resists cracking and shrinking from oil exposure. Buyers report the main gaskets fit well and stop leaks when installed correctly, and the kit is a direct replacement for the listed part numbers so it installs without special tools. Some users noted the spark plug seals may differ slightly from factory originals and occasionally need careful seating or supplemental RTV to achieve a tight seal. Packaging is basic but the components themselves are robust and priced competitively compared with dealer parts.
Best for: A balanced all-round buyer who wants a cost-effective, factory-style replacement gasket kit to fix valve cover oil leaks and preserve engine cleanliness without spending on dealer parts.
Less Ideal for: Drivers seeking an exact OEM parts experience with guaranteed identical spark plug seals or those unwilling to do minor adjustments during installation should consider dealer-sourced replacements.
- Direct-fit replacement for specified Subaru 2.0L and 2.5L H4 engines, matching multiple OEM part numbers
- Includes valve cover gaskets plus eight spark plug tube seals for a complete valve cover service
- Made from flexible rubber designed to resist cracking and shrinking from oil exposure
- Reported by multiple buyers to stop leaks when installed and priced lower than dealer parts
- Spark plug tube seals may not match factory shape exactly and can require extra care or RTV to seal
- Arrives in minimal packaging which some users felt could allow minor damage during shipping
Verdict: AUCERAMIC's valve cover gasket kit offers a full, direct-fit replacement that reliably stops valve cover oil leaks for common Subaru 2.0L and 2.5L engines at a value price.
2. Fel-Pro VS50830R Valve Cover Gasket Set for Subaru
| Brand | Fel-Pro |
|---|---|
| Model | VS50830R |
| Position | Center |
This Fel-Pro valve cover gasket set provides a full replacement kit for Subaru engines, designed to seat into imperfect sealing surfaces and restore a leak-free valve cover. It is typically used during valve cover removal for maintenance or when oil is seeping from the cover area; the kit includes the main gaskets and spark plug tube seals needed for a standard repair. Fel-Pro highlights a proprietary cork-rubber formulation and highly conformable material that helps compensate for minor surface irregularities, and the parts are tested on-vehicle to confirm fit and performance. In practice the set installs like a direct replacement and many users report long dry service when installed with proper surface prep and correct sealant placement. A few buyers have reported quality-control issues such as missing or damaged tube seals and occasional mismatched pieces, so inspect the kit before installation and keep spare seals on hand. For DIY installers this is a cost-effective way to refresh valve cover sealing on supported Subaru models, but be prepared to verify parts and follow installation guidance carefully.
Best for: Practical optimizers looking for a budget-conscious, factory-replacement-quality gasket set to fix valve cover leaks themselves and extend engine life with a proven aftermarket brand.
Less Ideal for: Those who want a trouble-free, guaranteed fit without inspecting parts on delivery or who prefer dealer-sourced parts with direct dealer support should consider alternative sourcing.
- Full gasket set intended to include all parts needed for a valve cover repair
- Proprietary cork-rubber formulation designed to conform to imperfect sealing surfaces
- Tested on-vehicle for fit and performance to match factory replacement expectations
- Widely compatible with many Subaru models that use the FB20 engine family
- Some buyers reported missing or damaged spark plug tube seals in individual kits
- A few listings have included duplicate or incorrectly sided gaskets requiring returns
Verdict: A cost-effective, vehicle-tested valve cover gasket set that performs well when inspected and installed correctly, but check the kit for missing or damaged pieces before installation.
3. CNS Valve Cover Gasket Set with Spark Plug Tube Seals and Grommets for Subaru 2.2L/2.5L SOHC H4
| Compatibility | 98–12 Subaru / Saab 2.2L and 2.5L SOHC H4 (16 Valve) |
|---|---|
| Package includes | Valve cover gasket, spark plug tube seals, grommets |
| Manufacturer | CNS Engine Parts |
This CNS gasket kit supplies a complete valve cover seal package intended to replace worn valve cover gasket components on Subaru SOHC 2.2L and 2.5L H4 engines. It is typically used when the valve cover is removed for maintenance or to stop oil leaking into the spark plug wells. The kit bundles the valve cover gasket, spark plug tube seals, and grommets so you get everything needed for a single cover service. Buyers report the parts seat well and restore a proper oil seal when installed carefully, and the included seals can make reinstalling the cover straightforward. On the downside this is an aftermarket budget set so fit and molded contour can differ slightly from factory parts and some grommets may not be required for every engine variant. Expect to take time on careful trimming, seating, and bolt torque to avoid leaks. For a low-cost DIY replacement on compatible Subaru engines this kit covers the basics, but professional shops or owners seeking exact factory-match contours may prefer a factory-quality replacement instead.
Best for: Budget-conscious DIYers who prioritize low-cost maintenance parts and are comfortable inspecting and fitting aftermarket gaskets themselves.
Less Ideal for: Owners who want an exact factory-match gasket or who prefer a shop-installed, premium OEM replacement should consider other options.
- Complete kit includes valve cover gasket, spark plug tube seals, and grommets for one cover
- Affordable option for single-service repairs
- Reported to fit and stop leaks on many Subaru SOHC 2.2L/2.5L applications
- Aftermarket molding may not match factory contour exactly which can require careful installation
- Some included grommets may be unnecessary for certain engine variants
- Not marketed as a factory-quality or premium OEM replacement
Verdict: A wallet-friendly, all-in-one gasket set that fixes oil leaks on compatible Subaru SOHC H4 engines if you accept occasional fitment quirks and careful installation.
4. Fel-Pro VS 50043 R-2 Valve Cover Gasket Set
| Brand | Fel-Pro |
|---|---|
| Material | Rubber |
| Model | VALVE COVER SET |
| Exterior | Machined |
This Fel-Pro valve cover gasket set supplies the valve cover sealing components needed when servicing an engine; the cork-rubber formulation is engineered to conform to imperfect sealing surfaces and reduce oil leaks. It is typically used when replacing an old, hardened valve cover gasket during routine maintenance or when diagnosing oil seepage around the valve cover. The kit includes the main gasket and related parts so you can complete the repair without returning for additional pieces. In practice the softer, machined rubber material compresses to fill minor surface irregularities, which helps achieve a reliable seal compared with rigid factory-style gaskets. Limitations to note are that fitment must match the Crosstrek engine variant exactly and this is a direct replacement part rather than an upgraded performance component, so installation still requires proper surface prep and correct torque sequence to avoid failures.
Best for: Reliability-focused buyers who prioritize a durable, well-sealing replacement gasket to stop oil leaks and avoid repeat disassembly during routine engine maintenance.
Less Ideal for: Drivers looking for performance or appearance upgrades to the engine bay or those who need a universal or multi-engine solution instead of a model-specific replacement.
- Conformable cork-rubber formulation improves sealing on imperfect valve cover surfaces
- Includes all valve cover sealing parts needed for a single repair
- Machined exterior and precise cuts for consistent bolt hole alignment
- Well-reviewed by users for fit and leak prevention
- Not a performance upgrade; intended as a factory-quality replacement
- Must be matched to the exact Crosstrek engine variant for proper fit
Verdict: A dependable, conformable factory-quality valve cover gasket set built to stop leaks when you need a reliable repair for your Crosstrek.
5. DNJ Valve Cover Gasket Kit (VC715G) for 2.5L Subaru 4‑Cylinder
| Compatible engines | Subaru 2.5L SOHC EJ251/EJ252/EJ253/EJ259 |
|---|---|
| Includes | Valve cover gasket, spark plug tube seals and grommets (as required) |
| Manufacturer | DNJ Engine Components |
This DNJ valve cover gasket kit is a direct-replacement style gasket set intended to reseal the valve cover on Subaru 2.5L SOHC engines. It is typically used when oil is leaking from the valve cover area or during routine head/cover service; installation requires removing the valve cover, cleaning the mating surfaces, and torquing the bolts to factory specs. The kit includes the main gasket plus spark plug tube seals and grommets where required for a complete seal. Buyers report the gasket provides a reliable seal when installed correctly and can save shop labor by enabling a DIY repair. Material claims emphasize heat and fluid resistance for durability, but some users noted premature failure of the spark plug tube seals after extended use, so longevity may vary by driving conditions and installation care. Fitment errors have also appeared when vehicle year or engine variant was misidentified, so double-check engine code and years before ordering.
Best for: Convenience-driven buyers who want a ready-to-install replacement to stop valve cover oil leaks and prefer a straightforward DIY repair to avoid shop time.
Less Ideal for: Owners seeking a long-term OEM-style overhaul or those unwilling to verify exact engine code and year before buying should consider factory-quality alternatives or professional service.
- Designed to replace the valve cover gasket on Subaru 2.5L SOHC engines for a direct fit when matched correctly
- Includes spark plug tube seals and grommets for a fuller reseal of common leak points
- Constructed to resist heat and engine fluids for expected durability in normal driving conditions
- Saves labor costs by enabling a competent DIY installation
- Some customers report the spark plug tube seals deteriorated within a couple of years
- A few buyers experienced incorrect fit for certain model years, so fitment must be confirmed before purchase
Verdict: A convenient, budget-friendly gasket kit for resealing Subaru 2.5L SOHC engines when fitment is confirmed, but expect variable longevity of the tube seals.
6. YZUSGOMUMU VS50830R Valve Cover Gasket Set with Spark Plug Seals for Subaru 2.0L/2.5L
| Material Type | Rubber |
|---|---|
| Model | VS50830R |
| Package | 2 Valve Cover Gaskets |
This valve cover gasket set supplies the valve cover gaskets and spark plug tube seals needed to stop oil leaks and restore a proper seal on affected Subaru 2.0L and 2.5L engines. It is used as a direct replacement during valve cover service or when spark plug tube leaks allow oil into the wells. The kit is molded from rubber materials intended to resist high temperature and oil exposure and the listing emphasizes a plug-and-play fit for common Forester, Impreza, Crosstrek, Legacy and Outback model years. In real-world work the parts make gasket swaps straightforward and several users report easy installation and good sealing where the fitment is correct. Caveats include mixed fit reports and some complaints that the spark plug tube seals can be undersized compared with factory parts, which can lead to persistent leakage or ignition issues if not checked. For a risk-averse buyer this kit is a cost-effective option when part numbers and fitment are confirmed, but keep OEM spare seals on hand if you need exact factory dimensions.
Best for: Practical, risk-averse Subaru owners who prioritize restoring leak-free operation on 2011–2019 2.0L and 2.5L engines without paying OEM prices and who will verify part numbers before installing.
Less Ideal for: Buyers who require guaranteed factory-dimension seals or who cannot confirm exact engine variant fitment should consider factory replacement seals instead.
- Direct-replacement design intended for specified 2011–2019 Subaru 2.0L and 2.5L models
- Rubber construction rated for high temperature and oil resistance
- Includes spark plug tube seals so the kit covers common leak points
- Multiple buyers report straightforward installation and good sealing when fitment matches
- Some reviews report fitment failures on certain engine variants
- Several buyers said the spark plug tube seals were undersized compared with factory parts
Verdict: A budget-friendly, rubber valve cover gasket kit that restores sealing on many Subaru 2.0L and 2.5L engines when part numbers and fitment are confirmed.
Choosing the Right Subaru Crosstrek Valve Cover Gasket: Key Factors to Consider
Gasket Material and Heat Resistance
The material determines how well a valve cover gasket holds up to engine heat and oil exposure over time. Rubber compounds, silicone, and cork blends age and react differently: some resist hardening and cracking better than others. A gasket with higher heat tolerance will withstand repeated thermal cycles without losing elasticity, reducing the risk of leaks.
Material choice also affects compression behavior. Softer materials can conform to minor surface irregularities but may compress too much under torque and lose sealing ability. Firmer, heat-stable materials tend to maintain shape but may require a more precise mating surface. Knowing the expected operating temperatures and oil exposure on your Crosstrek helps you pick a material that balances flexibility with long-term stability.
Sealing Profile and Leak Prevention
Sealing profile refers to the gasket cross-section and any integrated lips or channels designed to trap oil and prevent seepage. A gasket with a well-designed sealing profile reduces the likelihood of external oil leaks and helps maintain crankcase ventilation integrity. Look for features such as raised sealing beads or reinforced corners that address common leak points.
A proper sealing profile also compensates for surface irregularities on the valve cover and head. If a gasket lacks adequate sealing geometry, you may see slow external leaks or oil accumulating in pockets. For Crosstrek owners, prioritizing a gasket engineered to resist typical leak paths will minimize mess and avoid repeated replacements.
Fitment and Dimensional Accuracy
Accurate fitment ensures the gasket aligns precisely with the valve cover bolt holes, oil passages, and mating surfaces. Poorly dimensioned gaskets can cause misalignment, lead to pinched sections, or leave gaps that leak. For the Subaru Crosstrek, choosing a gasket specified for the model and engine type reduces the risk of fitment issues during installation.
Dimensional accuracy also affects installation speed and the need for modifications. A correct-fit gasket should seat cleanly without trimming or stretching. This reduces installation errors and helps maintain consistent compression around the entire perimeter, which is essential for a long-lasting seal.
Ease of Installation and Serviceability
How straightforward a gasket is to install matters both for DIY mechanics and professional shops. Features such as integrated alignment tabs, preformed corners, or flexible materials can make positioning the gasket easier and reduce the chance of kinking or misalignment. Consider whether the gasket requires additional sealant or if it is designed for a dry installation.
Serviceability also includes accessibility during future maintenance. A gasket that installs cleanly and does not bond permanently to mating surfaces simplifies later removal and reduces cleanup time. If you plan to perform the replacement yourself, choose a gasket that matches your skill level and the tools you have available.
Durability and Resistance to Compression Set
Compression set is the tendency of a gasket to deform under load and not return to its original shape, which can lead to loss of sealing force over time. A durable gasket resists permanent deformation from bolt torque and repeated heat cycles. Materials and design choices that minimize compression set extend the gasket life and delay the return of leaks.
Durability also covers resistance to oil additives and engine fluids that can soften or swell some gasket materials. A gasket chosen for longevity will retain shape, maintain a tight seal, and require less frequent replacement, making it a better long-term investment for Crosstrek owners.
Compatibility With Torque Specs and Fastening Practices
Valve cover gaskets must work with correct bolt torque to form a reliable seal without being crushed. The gasket should tolerate the typical torque range used on Subaru Crosstrek valve covers and provide predictable compression behavior. If a gasket material is too soft, it may require lower torque limits or additional washers to prevent overtightening.
Understanding the recommended torque approach for the engine helps prevent overcompression or under-sealing. A gasket that behaves predictably under torque reduces the risk of post-install leaks and avoids damage to the valve cover or fasteners during installation.
How We Chose the Best Subaru Crosstrek Valve Cover Gasket
We focused on criteria that matter specifically to Subaru Crosstrek valve cover gaskets. Key evaluation points included gasket material and longevity to judge resistance to heat and oil degradation, sealing design to assess how well the gasket prevents external leaks, and dimensional accuracy to ensure proper fitment to the Crosstrek valve cover. We also examined installation friendliness, including whether the gasket design allows straightforward access and aligns with common DIY tools. Finally, we evaluated long-term maintenance considerations such as resistance to compression set and compatibility with gasket sealants when required.Items were excluded if they lacked clear specifications for Crosstrek fitment, used ambiguous materials, or failed to demonstrate appropriate sealing profiles for horizontal valve covers. We did not include products without practical installation guidance or products designed for other vehicle applications. The final selections reflect a balance of durability, sealing performance, ease of install, and accurate fit for Subaru Crosstrek engines.
Our full evaluation process is outlined in our review methodology.
FAQ
What are common symptoms of a failing valve cover gasket on a Subaru Crosstrek?
Common signs include visible oil seepage on the valve cover or engine block, burning oil odor, or smoke from oil contacting hot engine parts. You may also notice oil accumulating around spark plug wells or lower-than-normal oil levels between changes. These symptoms often indicate the gasket is no longer sealing effectively.
How long does a typical valve cover gasket last before it needs replacement?
Lifespan varies with material, driving conditions, and maintenance, but many gaskets last several years under normal use. Exposure to high heat, frequent short trips, or aggressive oil additives can accelerate wear. Inspect the gasket area periodically and replace it if you notice persistent seepage or signs of material degradation.
Can I reuse the old valve cover gasket if it looks intact?
Reusing an old gasket is usually not recommended because compression set and material aging reduce sealing effectiveness even if it looks intact. Removing the valve cover often disturbs the gasket surface, and reinstallation can lead to later leaks. Replacing the gasket during valve cover service is generally the more reliable option.
Do I need sealant when installing a new valve cover gasket?
Whether to use sealant depends on the gasket design and manufacturer guidance. Some gaskets are intended for dry installation while others benefit from small amounts of manufacturer-approved sealant at corners or end seals. Use only recommended products sparingly, and avoid excess sealant that could block oil passages or harden into brittle material.
What should I check after installing a new valve cover gasket?
After installation, inspect for leaks visually and run the engine to operating temperature while monitoring the gasket area. Check torque on bolts after a follow-up period if recommended, and look for oil accumulation near common leak points such as corners and spark plug wells. Address any seepage early to avoid broader contamination.
Conclusion
When choosing a Subaru Crosstrek valve cover gasket, prioritize material durability, accurate fitment, and a sealing profile that resists the common leak paths on this engine. Consider how the gasket behaves under torque and whether it will withstand the thermal and oil exposure your driving habits create.Balancing ease of installation with long-term resistance to compression set will minimize repeat maintenance. Use the factors above to match a gasket to your expected service interval and installation preferences so you get a reliable seal and cleaner engine bay for years to come.
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