Sorenson TS-43, a vintage coolant temperature sender
type: Unknown Type
Vendor: CorvairFarmer
Description:
🧩 Part Overview
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Part Number: Sorenson TS-43
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Type: Coolant Temperature Gauge Switch / Sender
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Thread Size: 3/8"-18 NPT
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Connector: Single spade terminal
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Function: Activates dash gauge or warning light based on coolant temperature
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Country of Origin: Made in USA
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Status: NOS units occasionally found in original packaging
🚗 Confirmed Fitment
Used across 1966–1987 GM vehicles, including:
| Make | Models & Engines | Years |
|---|---|---|
| Cadillac | DeVille, Eldorado, Fleetwood | 1976–1986 |
| Buick | LeSabre, Electra, Regal, Riviera | 1966–1987 |
| Oldsmobile | Cutlass, Delta 88, 98 Regency | 1966–1987 |
| Pontiac | Bonneville, Catalina, Grand Prix | 1966–1987 |
Also found in select Chevrolet and GMC applications with V6 and V8 engines.
🔁 Cross Reference Numbers
| Brand | Equivalent Part Number |
|---|---|
| ACDelco | 6490694, 25036512 |
| Standard | TS43, WT340 |
| Niehoff | TS43 |
| Wells | D1884 |
| GP Sorensen | TS-43 |
Additional interchange: TS50, TS54, TS66, TS78, TSU72