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This black silicone gasket maker forms a high-quality gasket that seals the space between matched parts to prevent leakage of automotive fluids and gases. It meets manufacturers' specifications for original equipment.
Features:
Specs:
Applications: Valve covers, oil pans, timing covers, water pumps and thermostat housings
Applied as a gel to just one surface of the parts to be joined, silicone gasket maker forms a seal between them, keeping out contaminants. Silicone gasket maker resists oil and shop fluids, vibration, heat, and flexing of parts, replacing many conventional gaskets. Parts joined by this silicone gasket maker can easily be removed. The old gasket material comes off effortlessly, simplifying future disassembly and reassembly.
Because of their ability to flex and compress, silicone gasket makers work better than other kinds of gasket makers when the parts to be joined are made of different materials, which have different rates of expansion and contraction when temperatures change. They also work better than other types of gasket makers on stamped metal parts that can flex and in situations where clearances can be large.
This product is OEM specified: It is approved to meet specifications of original equipment manufacturers.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews

Ray B.
10/21/2016
Still working great

Ivanb
6/9/2017
After a year I am still very happy with its performance, no problems at all.

Jeff A.
7/24/2016
No problems whatsoever. Great stuff!

Ken S.
3/5/2017
Its has held up, no leaks. No problems

Bo
4/23/2025
This item was great for rear sealing the two grommets that had to be cut to install the wiring harness
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Kate F.
11/19/2025
Great question Fred, happy to clear that up =) For the gray water connection, you’re correct, that fitting slides over the gray water line. For the black water side, the 3" elbow typically has a hub (female) end that the 3" ABS pipe slides into. You’ll glue the pipe into the hub using ABS solvent cement. Then, the other end of that short ABS pipe piece connects to the black water termination fitting (which is also a hub fitting).