GMC Sierra 2500 HD Thermostat Seals

Your GMC Sierra 2500 HD will be happy to know that the search for the right Thermostat Seals you’ve been looking for is over! Advance Auto Parts has 2 different Thermostat Seals for your vehicle, ready for shipping or in-store pick up. The best part is, our GMC Sierra 2500 HD Thermostat Seals start from as little as $3.29.

When it comes to your GMC Sierra 2500 HD, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Thermostat Seals brands so you can shop with complete confidence. Some of our top Thermostat Seals brands are Felpro. We’re sure you will get the right product to keep that Sierra 2500 HD running for a long time.

We even have reviews of our OEM and aftermarket Thermostat Seals products to help you buy with confidence. Hear from other customers via the 524 reviews on parts for your GMC Sierra 2500 HD.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Thermostat Seals for your Sierra 2500 HD, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 8 GMC Thermostat Seals

Felpro – THERMOSTAT GASKET (Part No.35666)

THERMOSTAT GASKET

from

$4.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Felpro – Multi-Purpose O-Ring (Part No.35710)

Multi-Purpose O-Ring

from

$3.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – Engine Coolant Thermostat Housing Seal (Part No.35720)

Engine Coolant Thermostat Housing Seal

from

$4.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35762)

Engine Coolant Thermostat Housing Gasket

from

$3.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Felpro – Thermostat Gasket (Part No.36106)

Thermostat Gasket

from

$5.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Validated for fit, form, and function
See More

Felpro – THERMOSTAT GASKET (Part No.36122)

THERMOSTAT GASKET

from

$3.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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ACDelco – Water Pipe O-Ring (Part No.G2026431556ACD)

Water Pipe O-Ring

from

$13.14
Water Pipe O-Ring

Mahle – Engine Coolant Thermostat O-Ring (Part No.G4030204690MAH)

Engine Coolant Thermostat O-Ring

from

$3.96
The Mahle Engine Coolant Thermostat O-Ring is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Seals the thermostat housing and helps prevent coolant from leaking from the engine for proper engine temperature
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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