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ACDelco GM Original Equipment RTV Engine Sealant - 5.3 oz Cartridge
OE

ACDelco GM Original Equipment RTV Engine Sealant - 5.3 oz Cartridge

GM Part #12378521

ACDelco Part #10-2010

MSRP$24.73*

ACDelco RTV Engine Sealant helps provide a top-quality solution to help with your vehicle's leaky engine components.

  • Engineered to use on a variety of engine components
  • Designed for quick and easy application
  • High viscosity product that cures when exposed to air with room-temperature vulcanizing (RTV) formula

About this product

ACDelco RTV Engine Sealant helps provide a top-quality solution to help with your vehicle's leaky engine components. It has a room-temperature vulcanizing (RTV) formula that is also a high viscosity engine sealant that cures when exposed to air. It is a one-component, room-temperature vulcanizing (RTV) sealant for ease of use. It is formulate to resist engine oils and coolants without corroding metals. ACDelco RTV Engine Sealant has been formulate to meet your expectation for durability and longevity.

Warning WARNING: Reproductive Harm - www.P65Warnings.ca.gov

  • Engineered to use on a variety of engine components
  • Designed for quick and easy application
  • High viscosity product that cures when exposed to air with room-temperature vulcanizing (RTV) formula

ClassificationOE
ColorGray

No warranty

Please visit our warranty page on Gmparts.com for full warranty details.

Good Maintenance Practices:

  • Parts should be thoroughly cleaned prior to the application of silicone sealant.
  • Carefully follow the directions for sealant applications as improper use can also cause damage.
  • After exposure to the moisture in the air, the sealant will begin to cure so parts should be positioned quickly after application.

Engine sealants provide an effective solution when you observe small leaks from a variety of engine components. Some of the most common sources of leakage are:

  • Areas around the head gasket
  • Above and below the intake manifold gasket
  • Valve cover access panels
  • Oil pan

ModelBody StyleTrimYear(s)
Enclave2021, 2022, 2023, 2024
Regal SportbackGS2020
Regal TourX2020

Frequently Asked Questions

Yes. Surfaces must be clean, dry, grease-free, oil-free and old gasket material removed as required. Be prepared to join or connect the surfaces as soon as the gasket material is applied.

No. Primer is not required.

Silicone sealants can be used on many non-automotive applications. Read product instructions, however, because some products are not intended for use as engine gaskets.

Yes, silicone sealants must not be used for engine or transmission applications.