Will these work with the orange Dexcool antifreeze?

My mechanic said not to put anything into the anti-freeze. I will never use that orange stuff in my 1994 Cadillac 4.9 Deville. If you have the 4.6 North Star, that may be different story. GM tried to promote these tablets to cure a bad leaky North-Star motor. Jeff.

Is this product preventative ?

Yes, this was actually put into aluminum block engines from the factory because of the porosity. It does an incredible job stopping leaks and preventing leaks.

what is a ladder frame?

A ladder frame uses an additional block structure located between the cylinder block and oil pan, which incorporates the main bearing caps into a one piece component resembling a ladder, sometimes called a girdle.Feb 6, 2018

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🛠️ Seal Smart, Drive Confident: The Pro’s Choice for Engine Integrity

FAST TRACK MAINTENANCE - Apply and torque bolts, then fill oil or coolant immediately—no downtime
METAL FRIENDLY SENSOR SAFE - Won't corrode metals or interfere with oxygen sensors—engineered for modern vehicles
DURABLE HIGH VISCOSITY FORMULA - Cures on contact with air for a tough, flexible seal that withstands harsh engine conditions
COMPACT CONTROLLED APPLICATION - Tube packaging ensures pinpoint accuracy, reducing waste and mess
PRECISION ENGINEERED VERSATILITY - Seals oil pans, manifolds, cam covers & more with OEM-grade reliability

ACDelco GM Original Equipment 10-108 Cooling System Sealing Tabs deliver a high-viscosity, one-component RTV sealant designed for quick, reliable sealing of multiple engine components. This air-curing formula resists oils, coolants, corrosion, and blowouts while being oxygen sensor safe. Ideal for professional-grade repairs, it allows immediate refilling of fluids post-application, ensuring minimal vehicle downtime.

€ 18.96

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Manufacturer	ACDelco
Model	AC Delco
Item Weight	1.12 ounces
Item model number	10-108
Is Discontinued By Manufacturer	Yes
Exterior	Machined
Manufacturer Part Number	10-108
OEM Part Number	12378255

ACDelcoGM Original Equipment 10-108 (12378255) Cooling System Sealing Tabs - 4 g

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