NOS GM Delco Temperature Switch – Part #25036973 / D1887
type: Unknown Type
Vendor: CorvairFarmer
Description:
GM Temperature Switch Specification Chart — Part #25036973 (Delco D1887)
| Attribute | Value |
|---|---|
| GM Part Number | 25036973 |
| Delco Number | D1887 |
| Group Number | 1.150 |
| Description | Temperature Switch, Cooling Fan Control |
| Function | Activates electric cooling fan at preset temperature |
| Thread Size | 3/8"-18 NPT |
| Terminal Type | Single spade terminal |
| Activation Temp | ~210°F (99°C) |
| Material | Brass housing with ceramic insulator |
| Packaging | Delco-labeled box with GM part number |
| Condition | NOS (New Old Stock) |
🚗 Confirmed Fitment Applications
This switch fits GM vehicles equipped with electric cooling fans and temperature-triggered fan relays:
-
1975–1985 Chevrolet Camaro, Monte Carlo, Caprice
-
1975–1985 Pontiac Firebird, Grand Prix
-
1975–1985 Buick Regal, Century
-
1975–1985 Oldsmobile Cutlass, Delta 88
-
GM trucks with electric fan retrofits or factory A/C
Always confirm fitment using VIN or OEM catalog. May also be used in custom builds with fan relay systems.
LOCATION - UPSTAIRS BOTTOM SHELF BELOW FRANKS
