Go to RockAuto Home Page
More Information for ACDELCO 12T100D
Continue Shopping
ACDELCO 12T100Dclose
Part image
Professional; Includes Seal
ACDelco has a Thermostats for most GM vehicles on the road today. Engineered to work with your car, truck or SUV, ACDelco Professional Thermostats come in a variety of designs and temperature ratings to meet your needs.
ACDelco Quality

ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into three tiers: GM Original Equipment, ACDelco Gold, and ACDelco Silver.

GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors.
ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors.
ACDelco Silver parts are a quality high-value option for most makes and models, backed by General Motors.

Gaskets IncludedYes
Jiggle Pin Weep HoleYes
Overall Height0.728 in
Overall Height18.50 mm
Seal TypeGasket
Sealing Flange Outside Diameter56 mm
Sealing Flange Outside Diameter2.204 in
Start to Open Temperature180 F
Start to Open Temperature82 C
Alternate/OEM Part Number(s): 19137278

Warranty Information:
24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18; 12 Months on parts sold before 04/01/18.
Warranty Details