Is this clear in color?

Yes it is clear when it is spread on. It is very similar in texture and color to Vaseline.

Can you use this on o-rings?

Yes,and it works very good. I converted the A/C on my truck to 134A and used this on all the o-rings over a year ago and have not had any issues. Works very good.

I want to use this to lubricate the weather seals along all 4 doors and the trunk of my 2012 Impala. Will one 1oz tube be enough for the job?

Yes, I used les than one tube on a 2008 Uplander minivan, all door seals. You need to apply it thin and rub it in well.

this grease was used on the metal parts of a corvette targa roof demonstration video to stop noise, will it work ?

To the best of my knowledge this product is recommended by GM for use on the rubber seals on Corvette's. This is exactly why I purchased this item GM part #12345579. I use it on my C-5 Corvette convertible which has an abundance of rubber seals.

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🛠️ Keep your engine’s spark alive with GM’s silicone grease – the pro’s secret weapon!

COMPACT READY TO USE - 1 oz tube fits easily in your toolkit for on-the-go maintenance and quick fixes.
LONG LASTING CHEMICAL STABILITY - Chemically inactive formula guarantees no degradation or corrosion over time.
PRECISION SPARK PLUG PROTECTION - Seals and lubricates spark plug boots to prevent moisture and electrical shorts.
ULTIMATE TEMPERATURE RESILIENCE - Performs flawlessly from freezing cold to scorching heat, ensuring reliability in any climate.
VERSATILE WEATHER STRIP LUBRICANT - Perfect for maintaining door seals and weather-stripping, extending vehicle life.

Genuine GM Fluid 12345579 is a premium 1 oz silica-thickened dimethyl silicone grease designed for extreme temperature tolerance (-65°F to 400°F), radiation and oxidation resistance, and water repellency. Ideal for lubricating and sealing spark plug boots and weather-strips, it offers long-lasting, chemically stable protection to enhance vehicle performance and durability.

€ 41.43

Duties & taxes incl.

Slovakiastore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Material	Silicone
Brand	General Motors
Package Information	Tube
Liquid Volume	1 Fluid Ounces
Item Weight	9.07 g
Recommended Uses For Product	Lubricant
Upper Temperature Rating	4E+2 Degrees Fahrenheit
Flash Point	100 Degrees Celsius
Item Form	Grease,Liquid
Manufacturer	GM
Unit Count	1.0 Ounce
Number of Items	1
Model	12345579
Item Weight	0.32 ounces
Product Dimensions	4.5 x 2.1 x 1 inches
Item model number	12345579
Manufacturer Part Number	12345579

Genuine GM Fluid 12345579 Dielectric Silicone Grease - 1 oz.

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