7 Best Engine Gasket Sets for Acura TLX: Reliable Sealing and Accurate Fitment

Mike
By Mike
Certified Professional Automotive Mechanic – Owner and Editor of VehicleRuns
Last Updated: March 24, 2026

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When your Acura TLX shows signs of oil or coolant leaks, choosing the right engine gasket set matters for reliability and long-term engine health. The correct gasket kit restores proper sealing between mating surfaces, helps prevent recurring leaks, and supports engine pressure and temperature control. This guide outlines a short list of the top Acura TLX engine gasket sets. Each shortlisted option was chosen for factors like material quality and compatibility. Read on to understand the evaluation criteria and what to look for when selecting a gasket set for your vehicle.

Top Picks at a Glance

Best Reviewed
A top-rated pick with lots of positive feedback
A-Premium Valve Cover Gasket Set for Acura V6 (fits select TL, RL, MDX, RDX)A-Premium Valve Cover Gasket Set for Acura V6 (fits select TL RL MDX RDX)
Most Popular
A crowd favorite that many people choose with confidence
AUCERAMIC HS26265PT-1 Cylinder Head Gasket Set for 3.5L Honda/Acura V6AUCERAMIC HS26265PT-1 Cylinder Head Gasket Set for 3.5L Honda/Acura V6
Best Quality
Built to a higher standard if you want something more solid
Fel-Pro Full Engine Gasket Set 260-1735Fel-Pro Full Engine Gasket Set 260-1735
Best Budget
The cheapest option that still gets the job done reliably
Beck/Arnley Valve Cover Gasket SetBeck/Arnley Valve Cover Gasket Set
Most Sold
A high-volume bestseller chosen again and again
Ortopia Engine Valve Cover Gasket Set for Acura/Honda 3.5L–3.7L (12341-R70-A00)Ortopia Engine Valve Cover Gasket Set for Acura/Honda 3.5L–3.7L (12341-R70-A00)
Best Value for Money
The sweet spot between price and what you get
NewYall Valve Cover Gasket Set for Acura 3.5L V6 (select years)NewYall Valve Cover Gasket Set for Acura 3.5L V6 (select years)
Fel-Pro VS 50607 R Engine Valve Cover Gasket SetFel-Pro VS 50607 R Engine Valve Cover Gasket Set

1. A-Premium Valve Cover Gasket Set for Acura V6 (fits select TL, RL, MDX, RDX)

A-Premium Valve Cover Gasket Set for Acura V6 (fits select TL RL MDX RDX)
Best Reviewed
A-Premium valve cover gasket set replaces worn seals on compatible Acura and Honda V6 engines to stop oil leaks and restore a factory-quality seal.
Compatible enginesV6 3.5L and 3.7L
MaterialNBR/ACM rubber
Operating temperature-20°C to 150°C
Kit contentsLeft and right gaskets, 10 grommets, 6 spark plug tube seals

This valve cover gasket kit is a direct replacement set for the V6 engines used in Acura applications and is intended to stop oil seepage from the valve covers. The kit includes left and right bank gaskets, multiple grommets, and spark plug tube seals so you can replace all the soft components at once during a valve cover service. Constructed from NBR/ACM rubber and rated for wide operating temperatures, the parts are oil-resistant and built to withstand the elevated temperatures inside a running engine. In practice this kit simplifies a common maintenance job: remove the valve covers, swap the old seals, and reseal the cover without chasing leaks. Fitment references match Acura V6 models with 3.5L and 3.7L engines listed for TL, RL, MDX and RDX years. Limitations to note are that this is an aftermarket replacement rather than a factory-branded part and it relies on correct installation and clean mating surfaces to deliver a long-term leak-free result.

Best for: Reliability-focused buyers who prioritize stopping recurring oil leaks with a complete replacement kit and who prefer to restore long-term engine sealing during scheduled maintenance.

Less Ideal for: Buyers seeking a factory-branded part or those unwilling to perform or pay for proper valve cover removal and installation should consider alternatives.

Pros:
  • Complete kit includes both bank gaskets plus grommets and spark plug tube seals for a full valve cover service.
  • Materials and lab-tested temperature resistance indicate good oil and heat stability for engine environments.
  • Reviewed fitment aligns with Acura V6 applications, helping avoid fitment guesswork when servicing those engines.
Cons:
  • Aftermarket part so finish and long-term durability may vary compared with factory-branded replacements.
  • Installation requires valve cover removal and surface prep; improper installation can allow leaks to persist.

Verdict A full aftermarket gasket kit that targets oil leaks on Acura V6 engines and gives a practical, cost-effective way to restore reliable valve cover sealing.

2. AUCERAMIC HS26265PT-1 Cylinder Head Gasket Set for 3.5L Honda/Acura V6

AUCERAMIC HS26265PT-1 Cylinder Head Gasket Set for 3.5L Honda/Acura V6
AUCERAMIC's head gasket set supplies a multi-layer steel head gasket and a full complement of intake, exhaust, valve cover and small gaskets for J35-series 3.5L V6 engines.
Compatible enginesJ35-series 3.5L V6 (listed Honda/Acura applications)
Head gasket typeMulti-layer steel (MLS)
IncludesHead gasket, valve cover gasket, spark plug tube seals, valve stem seals, intake/exhaust gaskets, O-rings

This head gasket kit is designed to replace the factory head gasket and associated seals on J35-series 3.5L V6 engines used in many Honda and Acura applications. The kit includes a multi-layer steel (MLS) head gasket plus valve cover gasket with grommets, spark plug tube seals, valve stem seals, intake plenum and manifold gaskets and a selection of O-rings and small gaskets. In practice it is useful for a complete head service or gasket refresh when rebuilding the top end or repairing a leak. The MLS head gasket is intended to hold up to normal thermal cycling and the full hardware set reduces the need to source parts separately, saving time on a repair job. Reported issues in some listings note occasional incorrect small gaskets in the kit, so confirm fitment and inventory the parts before beginning installation. This is a practical option for a convenience-focused buyer who wants a largely complete gasket package for a head job on the J35 V6, but installers should verify each gasket against the vehicle before assembly.

Best for: Convenience-driven buyers who prioritize a mostly complete parts kit to shorten repair time and avoid ordering multiple individual gaskets.

Less Ideal for: Shoppers who require guaranteed factory-branded parts or exact one-to-one stamped replacements should consider OEM factory-quality options instead.

Pros:
  • Comprehensive kit includes MLS head gasket plus valve cover, manifold, spark plug tube seals and assorted O-rings
  • MLS head gasket designed for stable sealing through thermal cycling
  • Saves time by supplying most small gaskets and seals needed for a head service
Cons:
  • Some buyers reported incorrect or missing small gaskets in certain kits
  • Not a vehicle-specific branded Acura TLX kit so fitment should be double-checked against the engine before installation

Verdict A convenient, full gasket set for J35 3.5L V6 head jobs that saves sourcing time but requires you to verify each gasket fits before installation.

3. Fel-Pro Full Engine Gasket Set 260-1735

Fel-Pro Full Engine Gasket Set 260-1735
Best Quality
A full engine gasket set from Fel-Pro designed to provide application-specific sealing for engine rebuilds and repairs.
BrandFel-Pro
ManufacturerFel-Pro
ModelFel-Pro
ExteriorMachined

This Fel-Pro full gasket set supplies the engine seals and gaskets needed when performing a comprehensive head gasket or engine rebuild. It is intended to replace all factory-quality sealing surfaces with application-specific materials that fit and hold during assembly, so components sit correctly and leaks are minimized. Typical use is during an engine teardown or head service where you need every seal for a complete job rather than sourcing parts individually. Notable features include machined exterior components and a kit that claims to meet or exceed factory specifications, which helps simplify repairs and reduces the chance of missing pieces. In practice the gaskets' flexibility and fitment help them seat easily during installation, but buyers should confirm vehicle fit carefully since this set was listed for multiple models and the article focuses on Acura TLX applications only. This is a performance-oriented choice for builders who want durable, installation-friendly seals, though professional installation is recommended for best results.

Best for: Performance-oriented owners who prioritize reliable, factory-quality sealing when rebuilding or servicing an Acura TLX engine and want a complete kit to avoid sourcing parts separately.

Less Ideal for: Casual DIYers seeking a plug-and-play, vehicle-specific item without verifying fitment or consulting service specifications should consider vehicle-specific alternatives or professional help.

Pros:
  • Complete kit includes all gaskets and seals required for a full engine service, avoiding missing parts during rebuilds.
  • Application-specific materials and machined components aim to match factory sealing surfaces for reliable long-term sealing.
  • Gaskets are flexible and designed to stay in place during installation, simplifying assembly.
Cons:
  • Product listing covers many vehicle applications so fit must be verified for the specific Acura TLX engine before installation.
  • Kit does not include installation instructions or torque specs, so professional reference or shop manual is needed.

Verdict A comprehensive, performance-focused gasket kit that simplifies full engine service for buyers who verify exact Acura TLX fitment.

4. Beck/Arnley Valve Cover Gasket Set

Beck/Arnley Valve Cover Gasket Set
Best Budget
A budget-friendly valve cover gasket set from Beck/Arnley designed to match factory form, fit and function for a specific vehicle application.
ManufacturerBeck/Arnley
ModelBeck Arnley
PositionCenter

This Beck/Arnley valve cover gasket set supplies the gaskets and seals needed to replace the valve cover on the specified vehicle application. It is typically used during routine valve cover service or when repairing oil leaks from the top of the engine; the kit is packaged with all necessary pieces so you can complete a single installation without sourcing additional seals. The listing says the set matches factory form, fit and function and uses durable materials, which in practice means straightforward fitment and a near-factory replacement feel when installed on a correctly specified engine. The clear packaging helps identify parts quickly during a job. Limitations are that this is an application-specific aftermarket kit so fit depends on choosing the correct part for your Acura TLX year and engine; buyers should verify compatibility before starting the job. Also the kit description does not list torque or installation guidance, so some mechanical experience or a service manual is helpful for a proper install.

Best for: Budget-conscious owners who prioritize low-cost, reliable replacement parts and prefer to perform or oversee routine engine maintenance themselves.

Less Ideal for: Owners looking for a parts kit with step-by-step installation guidance or those who prefer purchasing from a dealer-backed part with integrated support should consider other options.

Pros:
  • Includes all necessary gaskets and seals for a complete valve cover service
  • Engineered to match factory form, fit and function for easier installation
  • Packaged in clear plastic for quick part identification
  • Made from materials intended for durability under engine conditions
Cons:
  • Compatibility depends on selecting the correct application-specific part for your Acura TLX
  • No installation instructions or torque specs included in the packaging

Verdict A cost-effective, factory-fit valve cover gasket set for Acura TLX owners who want a straightforward aftermarket replacement when repairing valve-cover oil leaks.

5. Ortopia Engine Valve Cover Gasket Set for Acura/Honda 3.5L–3.7L (12341-R70-A00)

Ortopia Engine Valve Cover Gasket Set for Acura/Honda 3.5L–3.7L (12341-R70-A00)
Most Sold
A replacement valve cover gasket set designed to seal 3.5L and 3.7L Acura and Honda V6 engines and match factory fitment for specified models.
BrandOrtopia
Model12341-R70-A00
Compatible Engines3.5L and 3.7L V6 (listed fitment)

This Ortopia valve cover gasket set replaces factory gasket parts for several 3.5L and 3.7L V6 Honda/Acura engines and is intended as a direct, like-for-like replacement. It is typically used when the valve cover begins leaking oil or during routine maintenance that requires removing the cover. The kit is made from heat- and cool-resistant rubber designed to handle thermal cycling and maintain sealing under engine stress, and the listing emphasizes corrosion resistance and a precise fit to match the original part numbers. For a TLX owner looking for a budget-friendly replacement that follows factory fitment, the set offers straightforward installation and components that are inspected before shipment. Limitations include occasional fitment variance reported by some buyers and the general trade-off of an aftermarket part versus a factory-sourced gasket, so careful verification of part numbers and condition of the mating surfaces is recommended before installation.

Best for: Risk-averse mainstream buyers who prioritize a reliable, factory-style replacement at a lower cost than dealer parts and prefer a straightforward swap during routine maintenance.

Less Ideal for: Owners seeking guaranteed factory-sourced parts or those who need a lifetime warranty and documented OEM traceability should consider dealer parts instead.

Pros:
  • Designed to match several OEM part numbers for direct replacement fit
  • Heat- and cool-resistant rubber material intended to resist thermal cycling
  • Inspected before shipment to reduce likelihood of shipping defects
  • Clear fitment list for multiple Acura and Honda V6 models
Cons:
  • Some buyers reported occasional fitment issues requiring verification
  • Aftermarket material and manufacturing may not match factory longevity in all cases

Verdict A cost-effective, factory-style valve cover gasket set for V6 Acura/Honda engines that fits most listed models but requires part-number verification for guaranteed fit.

6. NewYall Valve Cover Gasket Set for Acura 3.5L V6 (select years)

NewYall Valve Cover Gasket Set for Acura 3.5L V6 (select years)
Best Value for Money
A replacement valve cover gasket set intended for Acura 3.5L V6 engines covering several model years of the TLX and related Acura models.
Compatible engine3.5L V6
Vehicle fitAcura TLX 2015-2020 (and other Acura models listed)
ManufacturerNewYall
Item model number1235l-5G0-A00

This NewYall valve cover gasket set is a budget-focused replacement for Acura 3.5L V6 engines and is intended to seal the valve cover and spark plug wells during routine maintenance or repair. It includes the main valve cover gaskets and smaller seals used around spark plug openings so you can replace a leaking cover gasket without buying individual pieces. Typical use is during a gasket change when removing the valve cover to refresh seals and prevent oil leaks that can foul coils or create oil consumption. The practical upside is the low cost and apparent fit for many Acura 3.5L V6 applications, which can save money on parts when you plan a DIY swap or a cost-conscious shop job. Reported issues in user feedback include tighter-than-expected fit for some seals and problems with the small captured nuts used on spark plug seals, which may not hold as reliably and could require discarding those pieces or replacing them with OEM fasteners. Expect savings but be prepared to verify fit and possibly substitute fragile small hardware during installation.

Best for: Buyers optimizing for cost and practicality who prefer to minimize parts expense on routine gasket replacements while willing to inspect and adapt components during installation.

Less Ideal for: Buyers who want a guaranteed factory-quality, drop-in replacement with no fitment checks or those who will not tolerate reworking or replacing any fragile pieces during installation.

Pros:
  • Covers Acura 3.5L V6 applications so it addresses common TLX gasket needs
  • Low-cost option that reduces parts expense for a full gasket job
  • Includes spark plug well seals so you get most required pieces in one set
Cons:
  • Some small captured nuts and fasteners have failed for installers and may be unusable
  • Fitment can be tight or misaligned on some engines, potentially increasing installation time or requiring adjustments
  • Reported inconsistent quality means you may need to replace a part of the kit with factory-quality hardware

Verdict A very budget-friendly gasket set for Acura 3.5L V6 engines that can save money if you accept occasional fit and small-part quality issues.

7. Fel-Pro VS 50607 R Engine Valve Cover Gasket Set

Fel-Pro VS 50607 R Engine Valve Cover Gasket Set
Best Overall
A complete valve cover gasket set designed to replace leaking valve cover seals on compatible Honda and Acura V6 engines.
BrandFel-Pro
MaterialRubber
ModelVS 50607 R
Manufacturer Part NumberVS50607R

This Fel-Pro gasket set provides the sealing components needed when replacing valve cover gaskets on compatible Acura and Honda V6 engines. It includes the main valve cover gaskets and related pieces intended to stop oil leaks and restore a clean sealing surface; Fel-Pro uses a cork-rubber style formulation that remains conformable for imperfect mating surfaces. Typical use is a direct replacement during a valve cover service or DIY repair where you remove the cover, clean the surfaces, and install the new gasket to stop seepage. Buyers report the set is comprehensive and fits as expected on many V6 applications, and the material conforms well to irregularities so you can rely less on extra sealants. Limitations to note are fitment variations between engine subtypes and manufacturing changes over time that can remove locating tabs, so confirm the correct part variant for your engine and be prepared to use RTV or minor adjustments if your cover requires alignment features that are missing.

Best for: Balanced owners who value a reliable, full gasket kit for routine valve cover service and prefer a solution that reduces the need for extra sealant or fabrication.

Less Ideal for: Buyers who need a guaranteed one-to-one OEM fit for a specific TLX engine variation without verifying part variant should consider sourcing a factory-specific kit or checking dealer references first.

Pros:
  • Complete kit that includes all gaskets required for a valve cover replacement on compatible V6 engines.
  • Cork-rubber formulation stays conformable to imperfect sealing surfaces for improved leak resistance.
  • Widely used by DIYers and professional technicians with many reports of good fit and durability.
  • Includes parts tested on-vehicle and validated for road performance.
Cons:
  • Fitment can vary by engine sub-variant so the wrong kit may not match some covers exactly.
  • Some batches lack locator tabs shown in older images, which can complicate positioning during install.

Verdict A comprehensive, performance-oriented valve cover gasket set good for general V6 valve cover repairs as long as you verify the exact engine variant before ordering.

Choosing the Right Acura TLX Engine Gasket Set: Key Factors to Consider

Material and Construction

The gasket material determines how well it withstands heat, oil, and pressure over time. Multi-layer steel and high-density composite gaskets handle head-level sealing stresses and thermal cycling more reliably than thin or poorly treated materials.

Construction details such as reinforced sealing beads, metal core layers, and treated surfaces affect crush resistance and sealing longevity. Choose a material suited to the TLX engine's operating temperatures and fluid exposures to reduce the chance of shrinkage, warping, or chemical degradation that leads to leaks.

Kit Completeness

A complete gasket set should include all gaskets and seals required for the intended repair scope, such as head gaskets, valve cover gaskets, intake manifold gaskets, timing cover gaskets, and relevant O-rings or seals. Kits that omit small but critical seals can lead to additional disassembly and delays.

Consider whether the kit supports a full overhaul or only a partial repair. For head gasket jobs, ensure the kit includes head bolts or specify that torque-to-yield fasteners are addressed separately. Complete kits reduce the risk of missing parts during reassembly and help ensure consistent sealing across the engine.

Fitment Accuracy

Precise dimensions and hole alignment are essential for a clean seal and easy installation. Poorly cut or out-of-tolerance gaskets can cause misalignment, create leak paths, or require trimming, which introduces installation risk.

Look for kits that reference exact engine codes or OEM part numbers for the Acura TLX to ensure bolt hole patterns and port openings match factory surfaces. Accurate fitment reduces installation time and lowers the chance of post-install leaks caused by gaps or interference.

Compatibility With Engine Services

Different repairs demand different sealing components. Replacing a head gasket is not the same as fixing a timing cover or addressing valve cover leaks. Select a kit that matches the service you are performing, whether that is head gasket replacement, intake manifold work, or a full engine overhaul.

If you plan multiple services, a comprehensive overhaul kit may be more efficient. For targeted repairs, choose a set that includes the specific gaskets and seals tied to the service to avoid unnecessary parts and simplify the job.

Durability and Chemical Resistance

Gaskets must resist exposure to engine oil, coolant, and cleaning solvents without losing compressibility or sealing function. Materials treated with heat-resistant coatings or formulated to resist oil swelling tend to hold seals longer under real-world conditions.

Consider expected service intervals and operating environment. A gasket that tolerates repeated thermal cycles and chemical contact will reduce the probability of premature failure and repeat repairs.

Ease of Installation and Serviceability

Gaskets that are forgiving during installation and pair with clear torque specifications can reduce installation errors. Kits that include alignment dowels, installation notes, or seals designed for straightforward replacement make routine work cleaner and faster.

Assess whether the kit requires specialized tools or additional parts. Easier installation minimizes the risk of improper sealing and can shorten shop time, which matters whether you are a DIYer or a professional technician.

FAQ

How do I know which gasket set fits my Acura TLX?

Match the kit to your TLX engine using the engine code or production year details listed by the supplier. Look for explicit references to Acura TLX fitment and the specific engine variant to ensure hole patterns and port locations line up.

Can I replace only one gasket instead of a full set?

You can replace a single gasket for targeted leaks, but sometimes adjacent seals are aged and may fail soon after. For major jobs like head gasket replacement, using a complete set that covers related seals is often more dependable and can prevent repeated tear-downs.

What should I do to prepare surfaces before installing new gaskets?

Thoroughly clean mating surfaces to remove old gasket material, oil, and debris. Inspect surfaces for warping, pitting, or damage and address any imperfections. Use proper cleaning agents and a flat surface for inspection to help ensure a reliable seal.

Are aftermarket gasket materials as reliable as OEM?

Aftermarket materials can be reliable if they use appropriate constructions and meet specification standards. Evaluate material type, manufacturer specifications, and fitment accuracy rather than assuming quality based solely on origin. Look for clear documentation about materials and intended applications.

When should I replace seals like the timing cover or valve cover gaskets?

Replace these seals when you observe oil seepage, noticeable residue around the mating surfaces, or during related repairs that require cover removal. Proactive replacement during major engine work can save time and reduce the chance of repeat service.

How We Chose the Best Acura TLX Engine Gasket Set

Our selection focused on parts that meet the needs of common Acura TLX engine repairs while reflecting typical workshop practices. We prioritized gasket sets with materials rated for high heat and oil exposure, such as multi-layer steel, high-grade rubber, or reliable composite compounds that resist compression set and aging. Fitment accuracy was a key filter, including complete coverage of necessary sealing points for the TLX engine and consistency with factory dimensions. We also evaluated kit completeness, favoring sets that include critical seals and gaskets needed for typical services, such as head gasket replacements, valve cover seals, and timing cover gaskets. Durability and resistance to leaks under pressure and thermal cycling were considered, along with manufacturer specifications and common installation tolerances. We excluded incomplete or generic kits that do not explicitly cover Acura TLX engine sealing points, and we omitted sources lacking clear material or fitment information. The result is a shortlist of options that balance material performance, completeness, and fitment reliability for TLX engine work.

Our full evaluation process is outlined in our review methodology.

Conclusion

Choosing the right Acura TLX engine gasket set comes down to balancing material quality, kit completeness, and fitment accuracy. Prioritize gaskets constructed for thermal and chemical resistance, and select a kit that covers all necessary seals for the scope of your repair. Be realistic about tradeoffs: a targeted gasket will work for a single leak, while a complete or overhaul kit reduces the risk of missed parts during major engine work. Focus on fitment details and material specifications to minimize the chance of repeat sealing issues.

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Mike - Certified Professional Automotive Mechanic

About the Author: Mike

Mike is an experienced professional automotive mechanic with hands-on experience maintaining and repairing a wide range of vehicles. At VehicleRuns, he focuses on helping car owners make better decisions about parts, tools, and repairs by combining real-world experience with clear, practical guidance.