ACDelco GM Original Equipment RTV Heavy Body Sealant - 5 oz Cartridge
OE

ACDelco GM Original Equipment RTV Heavy Body Sealant - 5 oz Cartridge

GM Part #19333513

ACDelco Part #10-2025

MSRP$22.53*

ACDelco RTV Heavy Body Sealant is an effective sealant designed to adhere to a variety of substances including glass and most metals.

  • One-part, room temperature vulcanized (RTV) silicone commonly used as a formed-in-place gasket
  • Characterized by good elasticity and high temperature resistance after curing
  • Designed to adhere to a variety of materials including glass and most metals

About this product

ACDelco RTV Heavy Body Sealant is an effective sealant designed to adhere to a variety of substances including glass and most metals. It is non-corrosive to ferrous metals with a non-acid curing system and has a room-temperature vulcanizing (RTV) formula that is also a high viscosity engine sealant that cures when exposed to air. This heavy body sealant boasts high temperature resistance that cures in the presence of atmospheric moisture to produce a durable and flexible silicone rubber compound. ACDelco RTV Heavy Body Sealant has been formulated to meet your expectations for durability and longevity.

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

  • One-part, room temperature vulcanized (RTV) silicone commonly used as a formed-in-place gasket
  • Characterized by good elasticity and high temperature resistance after curing
  • Designed to adhere to a variety of materials including glass and most metals
  • Helps provide heightened temperature resistance

ClassificationOE
ColorBlack
Maximum Temperature Rating500 °F / 260 °C

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

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.