A Guide to the Engine Valve Cover Gasket Set for the 2010-2012 Lexus HS250h
Stop burning oil smells and messy leaks by replacing your HS250h's valve cover gasket.
- A burning oil smell is the most common sign of a leaking valve cover gasket on the HS250h.
- Always replace the spark plug tube seals at the same time as the main gasket; they come in a set.
- Before replacing the gasket for oil loss, be aware of the TSB for excessive oil consumption on 2010 models to ensure you are fixing the correct problem.
- Reputable aftermarket brands like Fel-Pro and Victor Reinz offer excellent quality and value for this repair.
Is Your Lexus HS250h Leaking Oil?
A failing valve cover gasket is one of the most common sources of oil leaks on any vehicle, including the 2010-2012 Lexus HS250h. Because the gasket sits at the very top of the engine, leaking oil can drip down onto other components, creating a mess and potential hazards. The most common symptom is a burning oil smell, which happens when oil drips onto the hot exhaust manifold. You might also see smoke coming from the engine bay, notice dark, wet stains on the valve cover itself, or find oil pooling in the spark plug wells when you pull out the ignition coils.
Important Note on Oil Consumption
The 2.4L (2AZ-FXE) engine in the 2010 Lexus HS250h is subject to a Technical Service Bulletin (TSB L-SB-0006-15) for excessive oil consumption due to an issue with the piston and ring assembly. If you are experiencing low engine oil but cannot find a significant external leak, your vehicle may be affected by this separate issue. It is important to determine if you have an external leak (valve cover gasket) or internal oil burning (piston rings) before proceeding with repairs. A mechanic can help diagnose the source of oil loss.
Choosing the Right Aftermarket Gasket Set
For a simple but crucial part like a valve cover gasket, you don't necessarily need to buy from the Lexus dealer. Many aftermarket brands offer excellent quality, often at a better price. The key is to choose a reputable brand known for durable materials. A complete gasket "set" for the HS250h should include the main valve cover gasket and four spark plug tube seals.
Premium Aftermarket Brands
These brands are widely trusted by professional mechanics and have a reputation for meeting or exceeding OEM quality. They are an excellent choice for a reliable, long-lasting repair.
- Fel-Pro: Often considered a top-tier choice, Fel-Pro is known for high-quality materials and sometimes even improves upon the original factory design.
- Victor Reinz (Reinz): A well-respected brand that is an original equipment supplier for many European vehicles. Their gaskets are known for being soft and creating a great seal.
- Beck Arnley: This brand specializes in sourcing parts that match the original equipment. In some cases, you may even get the same OEM part in a Beck Arnley box.
Budget-Friendly Aftermarket Brands
These brands provide a functional replacement at a lower cost. They can be a good option for budget-conscious repairs, but may not have the same long-term durability as premium brands.
- DNJ Engine Components
- DJ Rock
| Part Type | Part Cost | Labor Cost | Total Estimated Cost |
|---|---|---|---|
| New OEM (Dealer) | $35 - $40 | $159 - $233 | $194 - $273 |
| New Aftermarket | $23 - $34 | $159 - $233 | $182 - $267 |
| Costs are estimates and can vary by location and repair shop. Labor costs are based on estimates from RepairPal. | |||
Pro Tip: Use Sealant Sparingly
When installing the new gasket, a small dab of oil-resistant RTV sealant is required at the sharp corners where the timing chain cover meets the cylinder head. Do not apply sealant around the entire gasket, as this can cause it to slip out of place and create a new leak.
Frequently Asked Questions (FAQ)
What is included in a valve cover gasket set?
A proper set for the HS250h should include the main perimeter gasket and four round spark plug tube seals. Some premium kits may also include the small rubber grommets for the valve cover bolts.
Can I do this replacement myself?
Yes, for a mechanically inclined person, this is a very manageable DIY job. The 4-cylinder engine provides good access to the single valve cover. The process involves removing the top engine cover, ignition coils, and some hoses. The key is to clean the surfaces properly and torque the bolts to the correct specification.
How do I know if the leak is from the valve cover gasket?
Look for the source of the oil. If you see fresh, wet oil around the seam where the black plastic valve cover meets the metal cylinder head, the gasket is the likely culprit. Oil found deep inside the spark plug wells is a sign that the spark plug tube seals have failed, which are replaced at the same time.
Are there any recalls for this part?
No, there are no recalls from Lexus or the NHTSA for the valve cover gasket on the 2010-2012 HS250h. There are recalls for other issues on the 2010 model year, but none relate to this specific oil leak.
Technical Specifications
OEM Part Numbers: 11213-0H010 11213-28021
Set includes one (1) perimeter gasket and four (4) spark plug tube seals. Material is typically molded rubber.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Lexus HS250h: