Browse our selection of quality hvac heater water flow control valve parts designed specifically for your Buick Regal. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · GNX · Grand National · Limited · T-Type
Coupe · Sedan
V6 3.8L · V6 4.1L · V6 4.3L · V8 5.0L · V8 5.7L
Automatic
