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If you drive a Buick Regal, a properly sealing valve cover gasket matters for engine cleanliness and long-term reliability. A failed gasket can lead to oil seepage, fouled ignition components, and extra maintenance time. This guide spotlights the top short-listed valve cover gaskets chosen for fit and sealing performance specifically for the Buick Regal. We evaluated candidates for material construction, sealing design, and compatibility with Buick Regal valve cover torque practices. Read on to see the factors we used to choose these top options and what to look for when selecting a replacement gasket.
Looking for other parts? See all Buick Regal parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | MOTOKU Valve Cover with Gasket Assembly for Buick Regal (fit, 2014-2017) |  |
| Most Popular A crowd favorite that many people choose with confidence | AUCERAMIC Valve Cover Gasket Set with Grommets for 2.0L/2.5L Engines |  |
| Best Quality Built to a higher standard if you want something more solid | Riyhch Valve Cover and Timing Cover Gasket Set for Buick Regal |  |
| Best Budget The cheapest option that still gets the job done reliably | Dtomi Valve Cover Gasket Set for Buick Regal and Compatible GM 2.0L/2.5L Engines |  |
| Most Sold A high-volume bestseller chosen again and again | RICHWEI VS50778R Engine Valve Cover Gasket Set |  |
| Best Value for Money The sweet spot between price and what you get | Cybal Valve Cover Gasket Kit with 3oz Gasket Maker |  |
| Best Overall The best all-around choice for most situations | HIHIAV Valve Cover Gasket Set for Buick Regal |  |
1. MOTOKU Valve Cover with Gasket Assembly for Buick Regal (fit, 2014-2017)
| Brand | MOTOKU |
|---|---|
| Model | 24239199 |
| Compatible years listed | 2014-2017 (Buick Regal) |
This MOTOKU valve cover assembly combines the valve cover and gasket into a single replacement unit intended for direct fitment on compatible GM 3.6L engines used in Buick Regal (2014–2017) applications. It is typically used to replace a leaking or damaged valve cover during routine repairs or when servicing the valve body and related components. The machined exterior suggests a finished appearance and the kit lists multiple factory part numbers it replaces, which helps match it to the original factory spec. Buyers will appreciate that it arrives as a complete piece ready for bolt-on installation, reducing the need to transfer parts from the old cover. Limitations include the need to confirm exact engine and part number match before ordering and that the listing does not include additional grommets or fasteners beyond the cover itself, so you may need to reuse or separately source small hardware. For reliability-focused owners who want a near-factory replacement, this provides a practical, straightforward fix when fitted correctly to the Regal's specified years.
Best for: Reliability-minded owners who prioritize a straightforward, factory-style replacement for maintenance or repairing oil leaks on a Buick Regal from the specified years.
Less Ideal for: Owners seeking a full hardware kit, performance-modified components, or those with nonstandard engine variants should look for alternatives that explicitly include fasteners or performance features.
- Complete valve cover and gasket assembled for direct replacement
- Machined exterior for a clean, factory-quality appearance
- Lists multiple compatible GM part numbers to aid fit verification
- Fits Buick Regal model years 2014–2017 according to the compatibility list
- May not include small hardware or grommets so additional parts could be needed
- Compatibility requires careful engine and part-number confirmation before purchase
Verdict A practical, near-factory replacement valve cover and gasket assembly for reliability-focused Buick Regal owners, but verify engine fit and hardware needs before installation.
2. AUCERAMIC Valve Cover Gasket Set with Grommets for 2.0L/2.5L Engines
| Brand | AUCERAMIC |
|---|---|
| Item model number | CH-0029 |
| Replacement part number | 12635953, 12627105, 12634516, 12635744, 12635953, 636480, VS50752, 812030 |
| Compatible engines | 2.0L and 2.5L GM engines |
This valve cover gasket set replaces the factory gasket on a range of GM 2.0L and 2.5L engines and is supplied with the grommets needed for installation. Typical use is a direct replacement during valve cover removal for oil-leak repair or routine maintenance; installers report it fits Buick Regal applications in the specified years without modification. The product advertises elastomer-coated gaskets intended to resist oil leaks and is sold as a single set that covers both the gasket and grommets. Practical benefits include straightforward fitment for common GM engines and the convenience of receiving grommets with the kit so you do not need separate parts. Limitations to note are mixed long-term durability reports from some buyers and the need to follow recommended sealing practices such as using RTV at sharp corners where applicable. This is a budget-friendly option for a quick, do-it-yourself repair but users seeking extended longevity may prefer a higher-end or OEM-branded replacement.
Best for: A convenience-driven buyer who wants a simple, ready-to-install gasket kit for quick oil-leak repairs on a Buick Regal without hunting down separate grommets or parts.
Less Ideal for: Owners seeking a guaranteed long-term OEM-level replacement for high-mileage engines or professional shops that prefer factory-brand parts should consider other options.
- Designed for direct replacement on compatible GM 2.0L and 2.5L engines, simplifying installation
- Includes grommets so you get the parts commonly replaced during valve cover service
- Elastomer-coated sealing surface intended to reduce immediate oil seepage after installation
- Some buyers reported the gasket hardened and began leaking after a few months, indicating variable long-term durability
- Not a branded OEM part, so fit and longevity can vary compared with factory-quality replacements
Verdict AUCERAMIC's gasket set is an easy, budget-friendly direct replacement for Buick Regal 2.0L/2.5L oil-leak repairs but may not match OEM longevity for high-mileage use.
3. Riyhch Valve Cover and Timing Cover Gasket Set for Buick Regal
| Compatible engines | Buick Regal 2.0L (2012-2013), 2.4L (2011-2015) |
|---|---|
| Replaces part numbers | 12593309, 12608604, 14130912, TCS46079, VS50778R |
| Material | Oil-resistant rubber |
This Riyhch gasket set provides the valve cover and timing cover seals needed when repairing oil leaks on Buick Regal 2.0L (2012–2013) and 2.4L (2011–2015) engines. It is intended as a direct replacement for factory part numbers and is made from oil- and heat-resistant rubber to withstand normal engine temperatures and prevent seepage. Typical use is during a valve cover or timing cover service where old seals are removed and new ones installed to stop oil leaks and restore proper sealing. The practical benefits are straightforward: a complete set covering multiple sealing surfaces so you avoid sourcing individual gaskets, and material chosen to resist oil breakdown. Limitations are that the kit does not include installation instructions and professional installation is recommended, so DIYers should be comfortable with engine work; fitment is specific to certain Regal engine years and you must verify compatibility before ordering. For performance-oriented owners this set can restore a leak-free top end and help maintain consistent oil pressure and cleanliness.
Best for: Performance-oriented owners focused on restoring or maintaining a properly sealed engine top end on their Buick Regal who prioritize reliable sealing and drivetrain cleanliness during servicing.
Less Ideal for: Buyers seeking a plug-and-play kit with step-by-step instructions or novice DIYers without experience in engine disassembly should consider kits that include guidance or professional installation.
- Complete gasket set covers valve cover and timing cover sealing surfaces for a single repair job
- Made from oil-resistant, high-temperature rubber intended to resist degradation under normal engine conditions
- Listed as direct replacement for multiple factory part numbers for Buick Regal 2.0L and 2.4L engines, simplifying parts matching
- Includes all necessary gaskets in one kit so you do not need to source individual components
- No installation instructions included, increasing reliance on professional fitment or prior repair experience
- Compatibility limited to specific Regal engine years and displacements, requiring careful verification before purchase
Verdict A complete, factory-replacement style gasket set for Buick Regal 2.0L/2.4L that restores proper sealing but requires experienced installation and careful fitment checks.
4. Dtomi Valve Cover Gasket Set for Buick Regal and Compatible GM 2.0L/2.5L Engines
| Brand | Dtomi |
|---|---|
| Type | Valve Cover Gasket |
| Material | Rubber/Silicone |
| Replaces Part Numbers | 12635953, 12627105, 12634516, 12635744, VS50752 |
This Dtomi valve cover gasket set is a straightforward replacement intended for GM 2.0L and 2.5L four-cylinder engines, including Buick Regal applications listed by the seller. It is a rubber/silicone-style gasket set made to resist heat, oil, and aging, and is supplied as a single valve cover gasket designed to seal the cover and prevent oil leaks. Typical use is a direct swap when a leaky valve cover is diagnosed; the gasket conforms to imperfect sealing surfaces and is elastomer-coated to reduce weeping at common leak points. The practical benefits are clear for a budget repair: the kit is lightweight, easy to handle, and marketed as easy to install so it can be used for a DIY replacement or by an independent shop to restore a leaking cover without expensive dealer parts. Limitations are fitment consistency and quality control; some buyers report fit issues on specific vehicles so confirm compatibility with a Regal before installation, and this aftermarket gasket may not match factory fit precision or long-term durability of higher-end OEM replacements.
Best for: Budget-conscious owners looking to stop a valve cover leak on a Buick Regal and willing to save by fitting an aftermarket replacement themselves or using an independent repair shop.
Less Ideal for: Owners seeking a factory-identical gasket or long-term durability backed by the dealer should consider OEM or premium aftermarket alternatives instead.
- Made from silicone/rubber materials rated for high temperature and oil resistance
- Elastomer-coated sealing surfaces to reduce oil leaks at valve cover mating areas
- Sold as a single, tested gasket set intended for straightforward DIY replacement
- Compatible with listed Buick Regal 2.0L and 2.5L engine model years in the product fitment
- Fitment can be inconsistent for some vehicles so confirmation is required before installation
- Aftermarket fit and long-term durability may not match factory-quality replacements
Verdict A low-cost, easy-to-install gasket set that can stop valve cover leaks on compatible Buick Regal engines but requires careful fit confirmation versus OEM parts.
5. RICHWEI VS50778R Engine Valve Cover Gasket Set
| Manufacturer | RICHWEI |
|---|---|
| Manufacturer Part Number | VS50778R |
| Compatible Engines | 2.0L and 2.4L L4 (GM Ecotec family) |
This RICHWEI valve cover gasket set is a direct-replacement style kit intended for GM four-cylinder 2.4L engines found in multiple models, including Buick Regal with the 2.4L engine. It supplies the gasket profile and seals you remove and replace during a valve cover service to stop oil seepage and restore a proper seal. Typical use is straightforward: remove the valve cover, swap the old gasket for the new one, and reinstall the cover with correct torque. Buyers report accurate fit and no leaks when installed on the 2.4L Ecotec family engines. The kit lists several equivalent part numbers for cross-reference, which helps confirm compatibility. Expect basic, no-frills packaging and an economy aftermarket finish rather than a branded factory part. This set keeps costs low and gets the job done, but buyers who want OEM-sourced parts or advanced sealing materials may prefer a factory-quality replacement or an upgraded performance gasket for longer service life under high-heat conditions.
Best for: Risk-averse mainstream buyers seeking a low-cost, compatible replacement for routine maintenance on a Buick Regal 2.4L who prioritize correct fit and predictable results over OEM branding.
Less Ideal for: Owners wanting OEM-branded parts, long-life premium materials, or performance upgrades should consider factory-quality replacements or specialty gaskets instead.
- Designed to match factory gasket shape for GM 2.4L four-cylinder engines, simplifying fitment on compatible engines.
- Includes cross-reference part numbers to verify correct replacement before purchase.
- Economical option that replaces a failing valve cover gasket without additional components.
- Customer reports indicate good fit and effective sealing when installed properly.
- Aftermarket construction may not match long-term durability of factory-quality gaskets.
- Package is basic and may lack extra installation accessories like new fasteners or sealant.
- Not marketed as a premium or high-temperature performance gasket.
Verdict A budget-friendly, correctly shaped aftermarket gasket set that restores sealing on Buick Regal 2.4L engines but is not a premium OEM replacement.
6. Cybal Valve Cover Gasket Kit with 3oz Gasket Maker
| Brand | Cybal |
|---|---|
| Includes | Valve cover gasket + 3oz gasket maker |
| Manufacturer Part Number | VS-778 |
| Compatible engines | 2.0L and 2.4L L4 (GM) |
This Cybal kit supplies a molded valve cover gasket paired with a 3oz tube of gasket maker to reseal the valve cover on compatible GM 2.4L engines used in Buick Regal applications. Installers remove the old gasket, clean the cover mating surface, seat the new molded gasket and apply the included gasket maker where the manufacturer recommends. The practical benefit is a single kit that aims to stop oil seepage and restore a factory-quality seal without sourcing separate parts. Multiple customer reports describe accurate fit and leak-free results on 2.4L Buick engines, and the molded gasket simplifies alignment during reassembly. Expect occasional quality variation; some users reported poorly formed sections that required extra RTV to hold during installation. This kit is useful for DIY maintenance and quick shop repairs but careful inspection of the gasket before fitting is advised and additional sealant might be needed in spots that are not perfectly formed.
Best for: Buyers who want a cost-efficient, practical kit to fix oil leaks on a Buick Regal 2.4L and prefer doing the job themselves or minimizing shop time.
Less Ideal for: Owners seeking a factory-branded replacement or a pre-inspected premium aftermarket gasket for long-term high-mileage engines should consider OEM or higher-end alternatives.
- Includes both a molded valve cover gasket and a 3oz gasket maker for a complete reseal job
- Designed to fit GM 2.4L engines used in Buick Regal applications for straightforward compatibility
- Molded gasket profile helps with alignment and reduces installation fiddling
- Multiple buyer reports of good fit and elimination of oil leaks after installation
- Some units show inconsistent molding quality requiring extra sealant or adjustment
- Not a branded OEM part so long-term durability compared with factory parts is uncertain
Verdict A budget-friendly, all-in-one gasket kit that fits Buick Regal 2.4L engines and typically stops leaks, but inspect for molding flaws and be ready to use extra sealant if needed.
7. HIHIAV Valve Cover Gasket Set for Buick Regal
| Brand | HIHIAV |
|---|---|
| Manufacturer Part Number | VCG-12635953 |
| Compatible Engines | 2.0L (turbo) Buick Regal |
| ASIN | B0CBQJPHYV |
This HIHIAV valve cover gasket set is a direct-replacement style gasket intended for GM 2.0L turbo engines used in Buick Regal models. It replaces worn valve cover seals to stop oil seepage around the cylinder head cover and restore a proper seal after maintenance or repair. The kit ships in a protected bag and box to prevent missing pieces and includes the primary gasket profile customers expect for Regal turbo engines. Real-world benefits are straightforward: it lets you fix common oil leaks without buying a full remanufactured cover, and several DIYers report straightforward installations when following basic teardown steps. Limitations to note are fitment sensitivity and variations across engine submodels; some buyers for non-turbo or 2.5L Regal engines reported mismatched patterns, so verify engine code and fitment before ordering. Also the listing does not include additional hardware like bolts or grommets beyond the gasket set, so plan to reuse or replace those separately when needed.
Best for: Balanced owners who prioritize a practical, cost-effective repair and are comfortable verifying engine fitment and performing or supervising a DIY gasket replacement on a Buick Regal turbo.
Less Ideal for: Owners who need a guaranteed fit for non-turbo or 2.5L Regal engines or who prefer a complete hardware kit and professional installation included with the part.
- Made to match factory replacement gasket profile for 2.0L Buick Regal turbo engines
- Packaged in bag plus box to reduce risk of missing or damaged pieces
- Simple DIY replacement to stop oil leaks without replacing the valve cover
- Multiple customer reports of clean installs and resolved leaks on Regal turbo models
- Fitment appears inconsistent across different Regal engine variants, especially 2.5L units
- Does not include additional hardware such as bolts or grommets that may need replacing
Verdict A practical, budget-friendly replacement gasket for Buick Regal 2.0L turbo engines that works well when fitment is verified but may not suit other Regal engine variants.
Choosing the Right Buick Regal Valve Cover Gasket: Key Factors to Consider
Material and Heat Resistance
Gasket material determines how well the part resists heat, oil, and the compression that comes from repeated use. Materials such as molded rubber, silicone, or composite blends typically offer different balances of flexibility and long-term compression set resistance. Choose a material that can tolerate the engine bay temperatures your Buick Regal will see, including hot restart cycles and prolonged idling.
Higher heat resistance reduces the chance of hardening and cracking over time. Materials that stay flexible maintain a better seal against the valve cover flange and around bolt holes, which lowers the risk of slow oil seepage and increases interval between replacements.
Fitment and Seal Geometry
Exact fitment to the Buick Regal valve cover flange and correct geometry around oil passages and spark plug wells is essential. A gasket that matches the cover profile and bolt pattern reduces installation stress and produces consistent compression at each fastening point. Poorly matched gaskets can kink or shift during installation, causing localized leaks.
Look for gaskets with molded alignment features or factory-specified radii that conform to the valve cover shape. Proper geometry also ensures consistent sealing of integrated features such as spark plug tube seals and oil return channels.
Compression Set and Longevity
Compression set is the tendency of a gasket material to lose thickness under constant load over time. Materials with low compression set maintain clamping force on the flange and keep sealing pressure around bolts and apertures. This matters because repeated thermal cycling and vibration in the engine bay accelerate loss of thickness in inferior materials.
Selecting a gasket rated for low compression set helps prevent gradual oil seepage and reduces the frequency of repeat repairs. Longevity also affects maintenance planning and overall ownership costs.
Compatibility With Spark Plug Tube Seals
Many Buick Regal engines route spark plugs through tubes that pass the valve cover and require separate or integrated tube seals. Ensuring the gasket design properly seals the spark plug wells prevents oil from entering the wells and fouling ignition components. A gasket that lacks adequate tube sealing can lead to misfires or degraded ignition performance due to oily spark plug boots.
Check whether tube seals are integrated into the gasket or supplied separately and whether the materials used for those seals match the main gasket’s resistance to oil and heat.
Installation and Torque Considerations
Proper installation and correct valve cover bolt torque sequence keep the gasket clamped evenly and minimize the risk of distortion. A gasket that is easy to position and that tolerates typical torque values for the Buick Regal reduces installation errors. Guidance on whether to use a sealant at corners, recommended torque specs, and bolt sequence can all affect the final sealing result.
Designs that include alignment tabs or clear instructions make it simpler to achieve an even clamp load. Also consider whether the gasket tolerates common torque levels without extruding or deforming.
Resistance to Oil and Chemical Exposure
Gaskets sit in direct contact with engine oil and occasional cleaning solvents. A material that resists swelling, softening, or chemical breakdown from oil additives and cleaners will maintain a reliable seal longer. Chemical resistance is particularly important if you use engine degreasers or run formulations with active detergents.
Confirm the gasket material is specified as oil-resistant and suitable for automotive service to avoid premature failure caused by chemical interaction.
FAQ
What are common symptoms of a failing Buick Regal valve cover gasket?
Common signs include visible oil seepage around the valve cover flange, oil in the spark plug wells, or a noticeable burning oil smell if oil contacts hot engine parts. You might also see low oil levels between changes or mild smoke from the engine bay under heavy load. Symptoms often start as small leaks and worsen gradually, so regular inspection is useful.
How can I tell if the valve cover gasket is leaking or another component is the source?
Start by cleaning the area and then run the engine while observing for fresh oil trails. Leaks at the valve cover flange or around bolt heads usually indicate the gasket. Oil pooling under the engine could be from other seals. Inspect spark plug wells for oil to confirm valve cover-related leaks. If in doubt, a pressure or dye test can help isolate the source.
Do valve cover gaskets require a specific torque sequence when installed on a Buick Regal?
Yes, even bolt torque and a recommended sequence are important to prevent distortion of the valve cover and to ensure uniform sealing. Use the manufacturer-recommended torque values and sequence for the Buick Regal to avoid overcompressing corners or leaving gaps. If torque specs are not available, tighten incrementally following a cross pattern rather than fully torquing bolts in a line.
Can I replace the valve cover gasket myself, and what should I prepare for?
Many mechanically inclined owners can replace a valve cover gasket using basic hand tools, a clean work area, and the correct torque wrench. Be prepared to remove ignition components to access the cover and to clean mating surfaces thoroughly. Have appropriate replacement tube seals if needed and follow torque guidance to avoid leaks. Allow time for careful reassembly to prevent mistakes.
How long should a good valve cover gasket last on a Buick Regal?
Lifespan depends on material quality, driving conditions, and exposure to heat and chemicals. Many modern gaskets last several years under normal driving and maintenance, while harsher conditions or repeated thermal cycling can shorten that life. Monitoring for early signs of seepage helps catch failures before they cause secondary issues.
Will a leaking valve cover gasket cause engine damage?
A small leak itself usually does not directly damage the engine, but prolonged oil loss and oil contamination of ignition components can lead to secondary problems. If oil leaks onto belts or hot exhaust components, it can degrade those items or cause smoke and odor. Prompt repair prevents cascading issues and maintains reliable engine operation.
How We Chose the Best Buick Regal Valve Cover Gasket
We focused on parts that meet fit and sealing demands unique to the Buick Regal engine bay while emphasizing long-term durability and serviceability. Evaluation criteria included gasket material and resistance to heat and oil, precision of fit to the Buick Regal valve cover flange, resistance to common causes of failure such as compression set, and the inclusion or compatibility with necessary seals for spark plug wells and bolt holes. We also considered ease of installation factors like whether the gasket requires RTV at corners, alignment features that reduce installation error, and how the design affects valve cover bolt torque sequencing. Durability testing history and manufacturer material specs were used to gauge expected lifespan under typical driving conditions. We excluded general-purpose or universal gaskets that do not list explicit fitment for the Buick Regal and any parts lacking clear material or fitment information. Our final list highlights products that match the Buick Regal valve cover geometry and meet practical service and sealing expectations.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a valve cover gasket for a Buick Regal, prioritize accurate fitment and material durability. Focus on a gasket that matches the valve cover geometry, resists heat and oil, and maintains compression under bolt load. Consider whether spark plug tube seals are needed and follow proper torque procedures during installation. Balancing longevity, ease of installation, and resistance to common failure modes will reduce the chance of repeat repairs. Use the factors above to weigh tradeoffs and select the gasket that best fits your maintenance approach and driving conditions.
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