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If you own a 1998-2002 Subaru Forester, a failing valve cover gasket is a common source of oil seepage and burning-oil smells that can affect engine cleanliness and component longevity. Choosing the right 1998-2002 Subaru Forester valve cover gasket matters because fit and material determine whether the repair stops leaks for the long term and how easy the installation will be.This guide covers six shortlisted valve cover gaskets that meet strict fitment and material standards for the 1998-2002 Forester. We evaluate sealing material, fitment accuracy, and installation considerations so you can pick a gasket that reduces downtime and future maintenance. Read on for the criteria we used and practical guidance for installation and troubleshooting.
Looking for other parts? See all Subaru Forester parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | DNJ Valve Cover Gasket Kit VC710G for 1997–1999 Subaru 2.5L DOHC |  |
| Best Quality Built to a higher standard if you want something more solid | Subaru Genuine Valve Cover Gasket Kit for 2.5 SOHC 1999–2004 |  |
| Best Value The sweet spot between price and what you get | MPLUS Valve Cover Gasket Set for 2.2L/2.5L Subaru EJ22/EJ25 (1998–2005) |  |
| Best Budget The cheapest option that still gets the job done reliably | AUCERAMIC Valve Cover Gasket Set for 1998–2005 Subaru 2.2L/2.5L H4 |  |
| Highest Rated A top-rated pick with lots of positive feedback | CNS Valve Cover Gasket Set with Grommets and Spark Plug Tube Seals for 1998–2012 Subaru/Saab 2.2L & 2.5L SOHC H4 |  |
| Most Popular A crowd favorite that many people choose with confidence | Fel-Pro VS 50561 R Valve Cover Gasket Set |  |
1. DNJ Valve Cover Gasket Kit VC710G for 1997–1999 Subaru 2.5L DOHC
| Brand | DNJ |
|---|---|
| Model | VC710G |
| Compatible Engines | 2.5L DOHC EJ25D |
| Included Parts | Valve cover gasket, spark plug tube seals and grommets (if required) |
The DNJ VC710G valve cover gasket kit is a direct-fit aftermarket gasket set for 2.5L DOHC Subaru engines from the late 1990s. It is used to replace a worn or leaking valve cover gasket to stop oil seepage around the valve cover and keep the top of the engine clean. DNJ highlights durable materials and heat-resistant construction, which help the gasket retain a tight seal under typical engine temperatures and exposure to oil. The kit lists fitment for Legacy, Forester, and Impreza 2.5L EJ25D engines from model years around 1997 to 1999 and includes spark plug tube seals and grommets where required for a complete install. For a home mechanic or shop, this gasket simplifies a common maintenance or repair task and can prevent oil contamination of ignition components. Limitations are that fitment is specific to the listed years and engine code, so verifying exact engine compatibility before purchase is important, and buyers should plan for standard installation steps like cleaning mating surfaces and torquing bolts to spec.
Best for: Drivers and DIY mechanics who want a reliable, factory-quality replacement gasket to stop valve cover oil leaks on late 1990s Subaru 2.5L DOHC engines and complete the job with included seals.
Less Ideal for: People with different Subaru engine codes, later model years, or those seeking a universal gasket solution should look for parts matched to their exact engine and year.
- Designed to provide a leak-free seal for valve cover to cylinder head connections
- Made from materials rated for high temperatures and exposure to engine fluids
- Includes spark plug tube seals and grommets when required for a fuller install
- Aftermarket replacement tailored for specific Subaru 2.5L DOHC engine fitments
- Fitment is limited to specific late 1990s Subaru 2.5L DOHC engines and may not fit other years or variants
Verdict: Choose this DNJ kit if you need a purpose-built, durable replacement gasket set to stop valve cover oil leaks on late 1990s Subaru 2.5L DOHC engines.
2. Subaru Genuine Valve Cover Gasket Kit for 2.5 SOHC 1999–2004
| Manufacturer | SUBARU |
|---|---|
| Manufacturer Part Number | 13294AA053SK |
| Fits | 1999–2004 2.5 SOHC non-turbo models |
This genuine Subaru valve cover gasket kit replaces the valve cover gasket, spark tube seals, and grommets on 2.5 SOHC non-turbo engines. It is intended for routine maintenance or repair when oil leaks develop around the valve cover or spark plug wells. As an OEM sealed kit, it contains the valve cover gaskets, four spark tube seals, and ten grommets so you can complete a full valve cover service without mixing aftermarket parts. Using factory parts helps ensure the pieces fit the valve cover and mating surfaces exactly, which reduces the risk of repeat leaks and saves time during installation. The kit is simple to use for a competent DIY mechanic or a shop doing scheduled maintenance, though installation requires valve cover removal and careful torqueing to avoid distortion. The kit is specific to non-turbo Subaru 2.5 SOHC engines from the stated model years, so it is not a universal gasket set and will not address other engine variants.
Best for: A performance-minded owner or mechanic maintaining a 1999–2004 Subaru 2.5 SOHC non-turbo engine who wants factory-fit parts to prevent leaks and preserve engine integrity.
Less Ideal for: Someone looking for a multi-vehicle aftermarket kit or parts for turbocharged engines or different engine families should look elsewhere.
- Factory Subaru parts ensure exact fit and compatibility with specified 2.5 SOHC non-turbo engines
- Complete kit includes valve cover gaskets, spark tube seals, and 10 grommets for a full service
- Sealed OEM components reduce the chance of premature failure compared with unknown aftermarket pieces
- Makes follow-up troubleshooting easier because parts match factory mating surfaces and tolerances
- Fits only the specified non-turbo 2.5 SOHC Subaru engines and model years, so it is not universal
- Requires valve cover removal and correct torque sequence for proper sealing, which adds labor time
Verdict: Choose this Subaru sealed valve cover gasket kit when you want factory-fit replacement parts to reliably stop leaks on 2.5 SOHC non-turbo engines.
3. MPLUS Valve Cover Gasket Set for 2.2L/2.5L Subaru EJ22/EJ25 (1998–2005)
| Fitment | 1998–2005 Subaru 2.2L/2.5L SOHC EJ22 EJ251 EJ252 EJ253 |
|---|---|
| Manufacturer | MPLUS OE SOLUTION AUTOPARTS |
| Manufacturer Part Number | X-VC3017 |
| Item Weight | 6.6 ounces |
This MPLUS valve cover gasket set is a direct replacement meant for Subaru 2.2L and 2.5L SOHC EJ engines used in late 1990s and early 2000s models. The kit includes rubber gaskets intended to restore a secure seal between the valve cover and cylinder head, stopping oil leaks and keeping contaminants out of the valve train. Installation is straightforward for a DIYer with basic hand tools and moderate mechanical experience; the rubber material compresses to form a tight seal and is described as meeting or exceeding factory-quality standards. Practical benefits are reduced oil seepage around the valve cover, a cleaner engine bay, and the ability to avoid a shop visit for a simple gasket replacement. Limitations are typical of aftermarket rubber kits: longevity depends on proper torque and surface prep, and you should verify fitment against your existing part number since the listing covers several Subaru models and years. The product includes a limited warranty for added assurance.
Best for: Buyers who prioritize a cost-effective, DIY-friendly repair to stop valve-cover oil leaks and extend the life of an older Subaru engine.
Less Ideal for: If you prefer a lifetime solution with professional installation or need an OEM-branded part for exact original fitment, look elsewhere.
- Made from high-quality rubber designed for good leakproof sealing
- Formulated to meet or exceed factory-quality standards
- Simple installation suitable for home mechanics with basic tools
- Restores valve cover seal to reduce oil leaks and keep the engine bay cleaner
- Durability depends on correct installation and torque; improper prep can shorten service life
Verdict: A practical, budget-minded gasket set that lets experienced DIYers quickly stop valve-cover oil leaks and restore a clean, reliable seal on older Subaru EJ engines.
4. AUCERAMIC Valve Cover Gasket Set for 1998–2005 Subaru 2.2L/2.5L H4
| Manufacturer | AUCERAMIC |
|---|---|
| Model | SU0021-VC |
| Material Type | Rubber |
| Date First Available | June 25, 2025 |
This valve cover gasket set replaces the rubber seals that keep oil contained around the valve cover on Subaru 2.2L and 2.5L H4 engines from the late 1990s through mid 2000s. It is typically used during routine maintenance when a leaking valve cover is discovered or when servicing the top end of the engine. The kit is made of rubber and includes the gasket profile needed to match the factory sealing surface, which makes installation straightforward for someone comfortable with basic engine work. The main practical benefits are restoring a clean engine bay by stopping oil seepage and avoiding recurring messes that can foul ignition components. Because it is a simple, single-material replacement, the set is an affordable option that suits budget repairs and DIY swaps. Limitations are that it is a basic rubber set with no additional hardware or upgraded materials, so long-term durability will depend on proper installation and engine conditions.
Best for: DIYers and owners looking for an inexpensive, straightforward replacement to stop oil leaks and refresh the valve cover seal on compatible Subaru engines.
Less Ideal for: Drivers seeking a heavy-duty or performance-grade gasket for high-boost or track-modified engines should consider upgraded materials or reinforced kits instead.
- Designed to match Subaru 2.2L and 2.5L H4 valve cover sealing surfaces for direct replacement
- Rubber material provides a flexible seal that is easy to compress during installation
- Compact single-piece kit that simplifies DIY replacement and reduces install time
- Low-cost option suitable for budget repairs and routine maintenance
- Rubber-only construction offers no upgraded materials or reinforcements for enhanced longevity
Verdict: AUCERAMIC's rubber valve cover gasket set is a budget-friendly, factory-style replacement that gets leaking Subaru 2.2L and 2.5L engines sealed again without fuss.
5. CNS Valve Cover Gasket Set with Grommets and Spark Plug Tube Seals for 1998–2012 Subaru/Saab 2.2L & 2.5L SOHC H4
| Compatibility | 98-12 Subaru/Saab 2.2L & 2.5L SOHC H4 (16V) engines |
|---|---|
| Package Includes | Valve cover gasket, spark plug tube seals, grommets |
| Manufacturer | CNS Engine Parts |
This CNS valve cover gasket kit replaces the valve cover seal and related soft parts on 2.2L and 2.5L SOHC Subaru and Saab H4 engines. The kit includes the main gasket plus spark plug tube seals and grommets so you can refresh all common leak points in one job. It is used when the valve cover starts weeping oil around the perimeter or down the plug wells and is typically installed during a routine valve cover service or when replacing spark plugs to avoid repeat labor. The parts are molded to match factory profiles, which makes fitment straightforward on compatible engines and helps restore a clean seal. Practical benefits include replacing all small sealing components at once and avoiding shortened service intervals due to oil intrusion. Limitations are that this is a direct replacement soft-goods kit only — it does not include metal hardware or a new valve cover, and success depends on clean mating surfaces and proper torque during installation.
Best for: Someone who prioritizes long-term engine reliability and wants to stop oil leaks by replacing all soft seals during a single service visit.
Less Ideal for: Buyers looking for a full valve cover replacement, upgraded performance parts, or those who need included mounting hardware should consider other options.
- Complete kit covers valve cover gasket, spark plug tube seals, and grommets for one convenient service
- Molded shapes intended to match factory sealing surfaces for straightforward fitment
- Good option to eliminate common oil leaks without replacing the valve cover
- Does not include valve cover bolts or metal hardware which may need replacement separately
Verdict: A simple, all-in-one gasket kit to restore factory-quality sealing and stop oil leaks on compatible 2.2L and 2.5L Subaru/Saab SOHC H4 engines.
6. Fel-Pro VS 50561 R Valve Cover Gasket Set
| Brand | Fel-Pro |
|---|---|
| Material | Rubber |
| Item Thickness | 0.34 Inches |
| Manufacturer Part Number | VS50561R |
The Fel-Pro VS 50561 R valve cover gasket set is a vehicle-specific sealing kit intended to replace worn or leaking valve cover gaskets on compatible Subaru engines from the late 1990s and early 2000s. It uses a cork-rubber formulation that stays conformable to warped or imperfect sealing surfaces, and the set ships with all the parts needed for a standard repair. In real-world use this means easier installation and a better chance of stopping oil seepage without having to machine the cover surface. The kit is engineered and tested for durability and road use, so it is a sensible choice when you want a direct replacement that matches factory function. Limitations are that it is a model-specific part so fitment must be confirmed before purchase, and it is discontinued by the manufacturer which could affect long-term availability for repeated repairs.
Best for: Buyers who prioritize a proven, vehicle-specific replacement with good real-world sealing performance and want reassurance from strong user feedback.
Less Ideal for: Anyone who needs a universal gasket for multiple different vehicles or who prefers parts still in current production for guaranteed long-term availability.
- Vehicle-specific design for correct fit on listed Subaru models
- Cork-rubber formulation conforms to imperfect or slightly warped sealing surfaces
- Includes all necessary parts for a typical valve cover gasket repair
- Parts are tested on-vehicle for road-ready performance
- Discontinued by the manufacturer which may limit future availability
Verdict: Choose this Fel-Pro gasket set if you want a tested, vehicle-specific replacement that seals imperfect valve cover surfaces effectively.
Choosing the Right 1998-2002 Subaru Forester Valve Cover Gasket: Key Factors to Consider
Gasket Material and Oil Resistance
The material used in the valve cover gasket determines how well it resists oil, heat, and compression set over time. Rubberized cork or high-grade Viton-style elastomers will generally resist swelling and hardening when exposed to engine oil and high under-hood temperatures. A gasket that becomes brittle or permanently compressed will fail to maintain a seal, leading to renewed oil seepage.
For the 1998-2002 Forester, consider materials that handle the engines typical operating temperatures and that do not absorb oil. Materials with good compression set recovery keep sealing pressure against the valve cover and head, which is especially important if the vehicle sees short trips or prolonged idling. Choosing a material with proven oil and heat resistance reduces the likelihood of repeat repairs and keeps adjacent components cleaner.
Fitment Accuracy and Profile
Accurate dimensional fitment is essential for a leak-free seal. Even a small mismatch where the gasket does not sit flush in the valve cover groove or against the head sealing surface can create a path for oil to escape. Pay attention to profile details such as integrated sealing lips, raised ridges for bolt passages, and any molded channels for PCV or spark-plug well seals.
The 1998-2002 Forester has specific bolt hole locations, plug well shapes, and PCV passage geometry. A gasket designed or specified for this year range will account for those features and reduce the need for trimming or modifying the part. Good fitment also makes installation quicker and reduces the chance of pinching or twisting the gasket during placement.
Included Seals and Spark Plug Well Protection
Many valve cover gasket kits include additional components such as spark plug well seals, O-rings for oil passages, and grommets for mounting bolts. These parts are often the failure points that allow oil to drip into the spark plug wells or down the timing belt area.
For the Forester, ensure the kit covers the plug well seals and any small O-rings that sit under bolt heads or around PCV fittings. Replacing these supporting seals at the same time as the main gasket is good practice because old seals often degrade at a similar rate. Kits that omit these items require you to source them separately, which can add time and increase the risk of missing a necessary seal.
Ease of Installation and Serviceability
Installation complexity affects whether you can DIY the job or should plan for professional service. Factors include whether the gasket is a single molded piece or a split kit, whether the valve cover must be removed completely to access plug wells, and if special RTV or adhesive is required at specific corners or joints.
For the 1998-2002 Forester, the space around the intake and ignition components can limit access. A gasket and kit that align easily and do not require trimming will shorten installation time and lower the risk of installation errors. Also consider whether the kit includes clear instructions and torque specs for the valve cover bolts to prevent over-tightening or under-tightening.
Durability and Long-Term Compression Recovery
Durability ties directly to the gasket's ability to maintain a consistent seal across many heating and cooling cycles. Materials that show good compression recovery will continue to press against sealing surfaces rather than flatten and deform. This is important in a Forester that may see repeated short trips, long idling, or seasonal temperature swings that stress gasket material.
Look for indications of high-quality formulation and resistance to oil-related swelling. A gasket that retains its shape and elasticity reduces maintenance frequency and the chance of oil leaking onto belts, ignition components, or exhaust headers, which can create secondary problems like smoke or misfires.
Compatibility With Valve Cover Bolt Torque Specs
Proper bolt torque is critical to achieving an even seal without crushing the gasket. Different gasket materials tolerate different clamping forces, and following appropriate torque specs prevents warping the valve cover or damaging the gasket.
For the 1998-2002 Forester, use the recommended torque sequence and values when tightening bolts. Kits that specify compatible torque ranges or include torque guidance for that engine make it easier to achieve the right clamp load. If the gasket requires torque values different from stock, that should be noted because it affects long-term sealing and the risk of bolt loosening.
Common Symptoms of a Failing Valve Cover Gasket
Recognizing early symptoms helps you address leaks before they cause larger issues. Typical signs include oily buildup along the valve cover seam, a noticeable burning oil smell after driving, or visible oil in the spark plug wells. You may also see oil dripping under the vehicle near the valve cover area or notice darker oil stains on nearby components.
- Oily residue around the valve cover perimeter
- Oil in spark plug wells causing misfires or rough idle
- Burning oil odor from oil hitting hot engine parts
- Visible drips beneath the front of the engine
Preparing Your Forester for Gasket Replacement
Preparation reduces installation time and prevents common mistakes. Park on a level surface, disconnect the battery ground, and remove any engine covers or components that obstruct valve cover access. Clean the area around the valve cover to keep debris out of the engine when the cover is removed.
- Have replacement spark plug well seals and bolt grommets ready
- Use a clean shop rag and a small brush to remove grime
- Label hoses and connectors to simplify reassembly
When to Replace Supporting Components
Replacing the valve cover gasket is an opportunity to service related parts that commonly age at the same rate. Spark plug tube seals, bolt grommets, and any rubber hoses connected to the valve cover should be inspected and replaced if hardened or cracked. Failing to replace these components can result in continued leaks despite a new main gasket.
- Inspect spark plug well seals for oil contamination
- Replace any brittle or flattened bolt grommets
- Check PCV hose condition and replace if soft or cracked
Tools and Torque Sequence Essentials
Having the right tools prevents damage during installation. You will typically need a torque wrench capable of the low torque values used on valve cover bolts, long extension sockets to reach recessed fasteners, and a non-silicone-safe cleaner for the mating surfaces. A service manual or torque chart for the 1998-2002 Forester is useful to follow the correct sequence and values.
If a torque wrench is not available, tighten bolts evenly in the correct order to an appropriate snugness, then have a technician verify the torque. Over-tightening can distort the valve cover and flatten the gasket, while under-tightening can leave gaps that allow leaks to start immediately.
- Torque wrench with appropriate low-range settings
- Socket extensions and swivel adapters
- Non-silicone-safe cleaner for surface prep
- Clean rags and a small brush for debris removal
Still looking for the perfect fit?
Select your Subaru Forester configuration to see the most relevant Valve Cover Gaskets recommendations
How We Chose the Best 1998-2002 Subaru Forester Valve Cover Gasket
We focused on attributes that directly affect sealing performance and long-term reliability on 1998-2002 Subaru Forester engines. Core evaluation criteria included gasket material composition and resistance to heat and oil, dimensional fitment to the Forester valve cover and head interface, and the inclusion or compatibility with necessary O-rings and seals.We also assessed ease of installation: whether the gasket requires special tools, if additional RTV or sealant is recommended, and how straightforward the bolt torque sequence is for a DIY-friendly repair. Durability indicators such as compression set resistance and resistance to hardening from oil exposure were weighed heavily. Another criterion was how well the gasket accommodates valve cover movement and vibration without losing compression.Exclusions: we excluded any gasket options that did not explicitly list compatibility with the 1998-2002 Forester scope or that relied on non-standard modifications. We also filtered out options lacking clear material specs or those that required significant head or cover machining. The remaining picks met our fitment, material, durability, and installation practicality standards.
Our full evaluation process is outlined in our review methodology.
FAQ
How long does a valve cover gasket last on a 1998-2002 Forester?
It depends on material and driving conditions. Many gaskets last a decade or more with normal driving, but exposure to heat cycles, oil contamination, and aged rubber can shorten lifespan. Inspect the seal during routine maintenance to detect early signs of failure.
Can I drive a Forester with a leaking valve cover gasket?
You can drive short distances, but continued driving risks oil dripping onto belts or hot exhaust parts, which may cause smoke or secondary damage. Address leaks promptly to avoid more costly repairs and safety hazards.
Are spark plug wells supposed to have oil in them?
No, spark plug wells should remain dry. Oil in the wells indicates failed plug well seals or a deteriorated valve cover gasket. Wet wells can lead to misfires and ignition problems if not corrected.
Do I need RTV sealant with a replacement gasket?
Often no, if the gasket is a one-piece molded design that seats properly. Some installations call for small beads of RTV at specific corners or joints; follow the gasket kit instructions and the Forester service guidance. Use only recommended sealants and allow curing time if required.
Will replacing the gasket fix oil burning smells?
If the smell is caused by oil leaking onto hot engine parts from the valve cover, then replacing the gasket and cleaning the oil residues will usually resolve the odor. If the smell persists, inspect other sources such as valve stem seals or oil leaks elsewhere.
How important are correct torque specs for the valve cover bolts?
Very important. Correct torque ensures even clamping pressure and prevents cover warping or gasket damage. Follow the Forester torque sequence and values for the valve cover bolts to maintain a reliable seal.
Final Verdict
For 1998-2002 Subaru Forester owners, prioritize a gasket that combines compatible material resilience with precise fitment and included supporting seals. The best long-term results come from kits that address spark plug well seals and bolt grommets while providing clear torque guidance for installation. Tradeoffs exist between ease of installation and ultimate durability, so pick a gasket that matches your expected driving conditions and service preferences.If you plan to perform the job yourself, choose a kit that minimizes additional sourcing and follow the correct bolt torque sequence. If you prefer a quicker repair, confirm the kit covers all secondary seals so you avoid repeat disassembly. Prioritize sealing material and fit to reduce the chance of repeat leaks and keep your Forester running cleanly.
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