NOS Sorensen SW-143 Stoplight Switch – USA Made
Description:
Correct for 1968–74 Ford and Mercury platforms including Fairlane, Maverick, and Comet. Cross-referenced with Standard DS-143, Niehoff HL-143, and NAPA SL143. Threaded body with plunger-style actuator – mounts near brake pedal bracket. NOS condition – includes original packaging – not a reproduction.
⚙️ Part Overview
-
Manufacturer: Sorensen (Standard Motor Products)
-
Part Number: SW-143
-
Type: Stoplight (brake light) switch
-
Design: Threaded body with plunger-style actuator
-
Function: Activates brake lights when pedal is depressed
-
Country of Origin: USA
-
Packaging: Typically boxed; NOS units may show shelf wear or be bundled in multi-part lots
🚗 Fitment & Specific Applications
While direct catalog data is limited, SW-143 aligns with late 1960s to early 1970s Ford and Mercury platforms, especially those using mechanical brake light switches. Based on adjacent part numbers and historical usage:
| Make | Models (Typical) | Years | Notes |
|---|---|---|---|
| Ford | Fairlane, Falcon, Maverick | 1968–1974 | Mechanical brake switch systems |
| Mercury | Comet, Montego | 1969–1974 | With or without power brakes |
| Ford | Torino | 1969–1971 | Often used with SW-133 as a supersession |
This switch mounts near the brake pedal bracket and completes the circuit to the rear lamps when the pedal is depressed.
🔁 Cross-Reference Numbers
| Brand | Part Number |
|---|---|
| Sorensen | SW-143 |
| Standard | DS-143 |
| Niehoff | HL-143 |
| Wells | SW-143 |
| NAPA Echlin | SL143 |
| FoMoCo | Possibly supersedes C9OZ-13480-A (SW-133) |
These interchange numbers reflect compatibility across multiple aftermarket brands for Ford-style mechanical stoplight switches
