• AC Delco 12378521 Engine Sealant

AC Delco 12378521 Engine Sealant

AC Delco 12378521 Engine Sealant

GM / ACDelco

GM12378521

$16.45
8 in stock
The ACDelco 12378521 Engine Sealant is the sealant used in GM engine plants. Reseal your engine components with the same high-quality sealer used in the GM Production Line. ACDelco Engine Sealant is a one-component, room-temperature vulcanizing (RTV) sealant. It is a high viscosity product that cures when exposed to air. The cured material has superior adhesion and elongation properties and is resistant to engine oils and coolants. It is also oxygen sensor safe and will not corrode metal surfaces.

FEATURES:

  • OEM Sealer
  • GM Part#: 12378521
  • AC Delco Part#: 10-2010
AC Delco 12378521 Engine Sealant

$16.45

Does it come with a warranty?

Any products listed will have a warranty provided by the manufacturer only. Stealth Diesel is not liable for any warranty. We can assist in warranty claims but we do not provide warranty on items we dont manufacturer. Most products have a 1 year warranty. For more information on warranty, reach out to us or the manufacturer for specific warranty details.

What happens if I have an issue?

We recommend reaching out directly to the manufacturer, but we are availble to assist with any issues or concerns for troubleshooting.

How fast is shipping?

Free ground shipping will be UPS ground, typically 5-7 business days or sooner. Expidited shipping is available on in stock products only.

What's the returns policy?

Most items are returnable unopened within 30 days of purchase. A stocking fee of 20% will be deducted for all returns. Items that are non-refundable are special order, custom made, powder coated, electrical or oversize items. Return shipping is at the expense of the buyer.

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