**NOS Sorenson TS-18 Coolant Temperature Switch – Made in USA**
type: Unknown Type
Vendor: CorvairFarmer
Description:
🧩 Part Overview
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Part Number: Sorenson TS-18
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Type: Coolant Temperature Gauge Switch / Sender
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Function: Activates dash gauge or warning light based on coolant temperature
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Thread Size: 1/2"-14 NPT
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Connector: Single spade terminal
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Country of Origin: Made in USA
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Status: NOS units commonly found in original packaging
🚗 Confirmed Fitment
Used across multiple GM platforms in the 1960s–1970s:
| Make | Models & Engines | Years |
|---|---|---|
| Pontiac | Tempest, Catalina (326, 389, 421 V8) | 1961–1968 |
| Buick | Skylark, LeSabre (300, 340, 401 V8) | 1966–1967 |
| Oldsmobile | Cutlass, 98 Regency (330, 425 V8) | 1965–1968 |
| AMC/Rambler | All models (Water Temp Sender) | 1959–1963 |
Also found in select Edsel, Ford, Lincoln, Mercury applications from 1957–1963.
🔁 Cross Reference Numbers
| Brand | Equivalent Part Number |
|---|---|
| ACDelco | 1993426, 1993512 |
| Standard | WT125, TS-18 |
| Niehoff | TS8 |
| Wells | D1897A, D1879 |
| GP Sorensen | TS-18 |
These interchange numbers confirm compatibility across multiple aftermarket catalogs
