Product Description
Genuine Dole DW21 Heater Control Valve (NORS)
Restore the climate control precision of your classic Buick with this genuine Dole DW21 Heater Control Valve. This is a vintage New Old Replacement Stock part. Manufactured by Dole (the OEM supplier to GM), this vacuum-actuated valve is critical for vehicles equipped with the Automatic Temperature Control (ATC) option.
This part is designed for the Heater Inlet Hose position on specific 1969-1970 Buick vehicles equipped with Automatic Temperature Control (ATC).
Key Features:
- Part Number: DW21 (Dole)
- Replaces OEM: GM 1230573
- Replaces Delco: 15-5136
- System: Automatic Temperature Control (ATC)
- Origin: Made in USA (Vintage Stock)
- Condition: New Old Replacement Stock
Verified Vehicle Fitment:
| Make | Model | Year | Engine | Notes |
| Buick | Electra 225, LeSabre, Wildcat | 1969-1970 | All | w/ Auto Temp Control |
| Buick | Riviera | 1969-1970 | All | w/ Auto Temp Control |
Fits Years:
1969, 1970
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: All vehicle fitment data is manually researched from vintage catalogs. While we strive for accuracy, historical data can sometimes be imperfect. Additionally, this part may fit other vehicle makes, models, and years not explicitly listed. We strongly encourage you to perform your own due diligence by comparing our provided photos and specifications to your original part to ensure proper fitment before purchasing.
