Stant H170 Heater Control Valve Vacuum 1976-1990 GM Chevy Buick NOS

Genuine Stant H170 Heater Control Valve (NOS)

Restore the stability of your classic GM vehicle with this genuine Stant H170 Heater Control Valve. This is a vintage New Old Stock (NOS) part, manufactured in the USA. It features high-quality vintage materials that provide superior durability and correctness compared to modern stiff overseas reproductions.

This part is designed for the Heater Hose position on specific 1976-1990 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles.

Key Features:

• Part Number: H170 (Stant)
• Interchange Part: Four Seasons 74691, Everco H6307, GM 554401
• Position: Heater Hose Line
• Engine Fitment: All (V6, V8, Diesel)
• Origin: Made in USA (Vintage Stock)
• Condition: NOS (New Old Stock)
• Type: Vacuum Operated, Non-Bypass
• Specs: 5/8" and 3/4" Hose Connections

Verified Vehicle Fitment:

Fits Years:

1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990

Product Note: Vintage Stock Photos

This listing uses stock images for reference. Because these are NOS (New Old Stock) parts manufactured decades ago, the item you receive may have cosmetic differences from the photo, such as:

• Packaging: Box styles, colors, or condition may vary (or item may be bulk packed).
• Finish: Materials, colors, or plating may vary between production runs.
• Shelf Wear: Minor cosmetic signs of age are normal for vintage parts.

Rest assured, the Part Number (H170) and Fitment specifications are verified to be 100% correct for the vehicles listed.

Unbeatable Prices & Expectations

We scour the country to find the best deals on NOS and NORS parts so we can pass the savings on to you. Our prices are often significantly lower than major competitors.

Please Note: While we verify fitment to the best of our ability using vintage catalogs, there can be variations. We strongly recommend comparing our photos and specs to your original part before purchasing.