Gasket - Subaru (21236AA010)

We offer only Original Subaru Parts

Genuine Subaru Parts
Subaru Parts
  • Subaru
  • 21236AA010
  • 21236aa000

Details

  • Brand:

     Parts

  • SKU:

    21236AA010

  • Other Names:

    Thermostat Gasket, Engine Coolant Thermostat Gasket, Thermostat Housing Gasket, Thermostat Unit Gasket, Thermostat Cover Gasket, Engine Coolant Thermostat Housing Gasket

  • Description:


    Gasket - Subaru (21236AA010)

    The Gasket - Subaru (21236AA010) is a genuine OEM component meticulously crafted to ensure an airtight and leak-free seal within your Subaru engine’s cooling system. Designed and manufactured by Subaru, this part adheres strictly to original factory standards, ensuring compatibility, durability, and performance across specified Subaru models.

    This gasket is produced from high-quality, heat-resistant rubber composite, engineered to endure continuous exposure to coolant, fluctuating temperatures, and engine pressures. The material maintains its elasticity and sealing integrity even under engine heat cycles, preventing leaks while ensuring long-term reliability. Precisely molded to match OEM tolerances, it fits seamlessly between engine components—eliminating the risk of misalignment, improper sealing, or premature deterioration.

    For professional mechanics, this gasket provides a trustworthy solution during water pump replacement, thermostat servicing, or cooling system maintenance. Its exact-match design saves valuable time by eliminating the need for trimming or modifications, reducing the chance of installation errors. DIY enthusiasts will appreciate the ease of installation and the solid assurance that comes from using an authentic Subaru part, vital for maintaining peak engine condition.

    A properly functioning gasket is essential to keep the cooling system pressurized and free of leaks. Even minor coolant loss can result in overheating, engine inefficiency, and costly repairs. By choosing the g g Gasket (21236AA010), you're investing in a component that delivers factory-level sealing performance and helps protect your engine from heat-induced damage.

    Genuine Subaru OEM gasket—perfect fit and factory quality

     ✔ Durable, heat-resistant rubber composite built for longevity

     ✔ Pre-molded to OEM specifications for direct, hassle-free installation

     ✔ Prevents leaks, maintains coolant pressure, and supports engine health

     ✔ Ideal for both professional repairs and DIY maintenance

    Trust the Subaru (21236AA010) Gasket to deliver reliable sealing performance, support optimal cooling system integrity, and contribute to your engine’s long-term durability.

  • Condition: New
  • Notes: Included with repair kit. Included with thermostat unit.
  • Applications: 3.6L. 2.5L.
  • Replaces:

    21236aa000

  • MSRP: $4.58
  • Discount: $1.39 (30.3% off)
  • Sale Price: $3.19
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Gasket - Subaru (21236AA010)

We offer only Original Subaru Parts

Genuine Subaru Parts
Subaru Parts
  • Subaru
  • 21236AA010
  • 21236aa000

Details

  • Brand:

     Parts

  • SKU:

    21236AA010

  • Other Names:

    Thermostat Gasket, Engine Coolant Thermostat Gasket, Thermostat Housing Gasket, Thermostat Unit Gasket, Thermostat Cover Gasket, Engine Coolant Thermostat Housing Gasket

  • Description:


    Gasket - Subaru (21236AA010)

    The Gasket - Subaru (21236AA010) is a genuine OEM component meticulously crafted to ensure an airtight and leak-free seal within your Subaru engine’s cooling system. Designed and manufactured by Subaru, this part adheres strictly to original factory standards, ensuring compatibility, durability, and performance across specified Subaru models.

    This gasket is produced from high-quality, heat-resistant rubber composite, engineered to endure continuous exposure to coolant, fluctuating temperatures, and engine pressures. The material maintains its elasticity and sealing integrity even under engine heat cycles, preventing leaks while ensuring long-term reliability. Precisely molded to match OEM tolerances, it fits seamlessly between engine components—eliminating the risk of misalignment, improper sealing, or premature deterioration.

    For professional mechanics, this gasket provides a trustworthy solution during water pump replacement, thermostat servicing, or cooling system maintenance. Its exact-match design saves valuable time by eliminating the need for trimming or modifications, reducing the chance of installation errors. DIY enthusiasts will appreciate the ease of installation and the solid assurance that comes from using an authentic Subaru part, vital for maintaining peak engine condition.

    A properly functioning gasket is essential to keep the cooling system pressurized and free of leaks. Even minor coolant loss can result in overheating, engine inefficiency, and costly repairs. By choosing the g g Gasket (21236AA010), you're investing in a component that delivers factory-level sealing performance and helps protect your engine from heat-induced damage.

    Genuine Subaru OEM gasket—perfect fit and factory quality

     ✔ Durable, heat-resistant rubber composite built for longevity

     ✔ Pre-molded to OEM specifications for direct, hassle-free installation

     ✔ Prevents leaks, maintains coolant pressure, and supports engine health

     ✔ Ideal for both professional repairs and DIY maintenance

    Trust the Subaru (21236AA010) Gasket to deliver reliable sealing performance, support optimal cooling system integrity, and contribute to your engine’s long-term durability.

  • Condition: New
  • Notes: Included with repair kit. Included with thermostat unit.
  • Applications: 3.6L. 2.5L.
  • Replaces:

    21236aa000

Vehicle Fitment

No application/vehicle fitment information available for this product
Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
( more fitments)
No fitment data available

Product Reviews

Subaru Parts Pros - South Shore Subaru

SubaruPartsPros.com proudly operates as part of South Shore Subaru located in NY. As a Genuine S.O.A Parts dealership we have the ability to obtain any and all Subaru parts needed to fix and maintain your vehicle. We understand shopping for parts online can be confusing and stressful at times because the last thing you want is the wrong part. Rest assured though as when you shop our online store and provide your vehicle identification number (VIN) at checkout it is our duty to make sure each and every part ordered fits your vehicle. In cases where we find a mis-match we will contact you immediately and make the proper correction to your order. Please feel free to drop us a line by using the contact us page or chat live with one of our agents.