Brand New

I only opened it to take photos

And to verify contents

Carquest T74781 heater valve

Fits:

Chevy

Silverado (1500, 2500, 3500): Fits models from 1999–2000.

Express Van (1500, 2500, 3500, 4500): Extensive fitment for 1500/2500/3500 series from 1997–2019, and the 4500 series from 2010–2019.

Suburban (1500, 2500): Fits 1995–2000 models.

Tahoe: Fits 1995–2000 models.

C/K Series Pickups: Fits various C1500, C2500, C3500, K1500, K2500, and K3500 models from 1995–2000.

GMC

• Sierra (1500, 2500): Fits 1999–2000 models.

• Savana Van (1500, 2500, 3500, 4500): Fits 1500/2500/3500 series from 1997–2019, and the 4500 series from 2010–2019.

• Yukon & Yukon XL: Fits standard Yukon models from 1995–2000 and Yukon XL 1500/2500 for the year 2000.

• C/K Series Trucks: Fits C1500, C2500, C3500, K1500, K2500, and K3500 models from 1995–2000. 

Cadillac Models

• Escalade: Fits the base model for the 1999–2000 model years