Product Description
Delco 1223345 Arm and Temp. Board 15-7580
Made in USA
The GM part number 1223345 is a Heater and A/C Blower Motor Control Circuit Board / Switch Assembly. This component, often found as New Old Stock (NOS) and made by Delco/ACDelco, is specifically for GM vehicles equipped with manual air conditioning (C.A.C.) and without Automatic Temperature Control (ATC).
| Vehicle Make | Vehicle Model | Years | Engine Size | Part Number | OEM Numbers | Special Notes |
| Chevrolet | Full-Size Passenger Cars | 1971-1973 | Various L6, V8 (e.g., 350ci, 454ci) | 1223345 | 15-7580, 7934753 | Critical Note: Fits models with Air Conditioning (A/C) but without Automatic Temperature Control (ATC). |
| Buick | Full-Size Passenger Cars | 1971-1973 | Various V8 (e.g., 350ci, 455ci) | 1223345 | 1223405 (Superseded) | Includes LeSabre, Estate Wagon, and other full-size models (B/C-Body). |
| Oldsmobile | Full-Size Passenger Cars | 1971-1973 | Various V8 (e.g., 350ci, 455ci) | 1223345 | 7933330 | Includes Delta 88, 98, and other full-size models. |
| Pontiac | Full-Size Passenger Cars | 1971-1973 | Various V8 (e.g., 400ci, 455ci) | 1223345 | 1223345 | Includes Catalina, Bonneville, and Grandville (B-Body). |
| Chevrolet/GMC | G-Series Vans (G1, G2, G3) | 1974 | Various Engines | 1223345 | 15-7580 | Specific application for vans equipped with factory A/C. |
| Buick | Centurion | 1971-1973 | Various V8 | 1223345 | 7934753 | Full-size B-Body model fitment with manual A/C. |
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Please look over the images carefully, as they provide the best description of the exact part you will receive. Please do your own due diligence to ensure this part is correct for your application before purchase.
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Restore your classic car with authentic, high-quality Made in the USA vintage auto parts. We offer a wide selection of NOS (New Old Stock) parts, including many that are no longer available elsewhere. Our parts are sourced from closed auto parts stores and manufacturers, ensuring you get the correct, unused parts you need. Unless stated otherwise, parts are classified as "New Other," meaning they are new and unused, but may have opened original packaging and show signs of age or storage.
What to Expect
Each part is carefully inspected and photographed to provide you with an accurate representation of its condition. We use detailed descriptions and multiple images so you can make informed decisions. While most parts are new, their packaging may have been opened for inspection or photography. Boxes may be torn, missing, or show signs of wear.
Important Notes
- Fitment: We strive for accuracy, but our fitment information is based on older catalogs and may contain errors. Please do your own due diligence and research the item yourself to make sure it's the correct part for your application BEFORE purchase.
- Returns: We accept returns on defective items. Please double-check compatibility before purchasing, as we cannot accept returns for misordered parts.
- Completeness: We do our best to ensure all parts are complete, but due to their age, some small components like gaskets may be missing or brittle, cotter pins, or nuts may be missing.
- No Warranty: We do not offer a warranty, expressed or implied. Any existing manufacturer warranty is between you and the manufacturer.
- No Advice: We are not mechanics and cannot provide repair or installation advice.
