Caterpillar 1543986 Plunger Switch Assembly
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| Switch Type | Plunger Seat Switch |
|---|---|
| Net Weight | 0.009 kg |
| Package Dimensions | 10 × 5 × 5 cm |
Manufacturer No.
- 1543986
- 154-3986
- CA1543986
OEM Part No.
- 1543986
- 154-3986
Engine Part No.
- Caterpillar 3034
- Caterpillar 3024C
- Caterpillar 3044C
- Caterpillar C2.2
- Caterpillar C3.4
Fitment Vehicles
- Caterpillar 216
- Caterpillar 216B
- Caterpillar 216B3
- Caterpillar 226
- Caterpillar 226B
- Caterpillar 226B3
- Caterpillar 228
- Caterpillar 232B
- Caterpillar 236
- Caterpillar 236B
- Caterpillar 236B3
- Caterpillar 242B
- Caterpillar 242B3
- Caterpillar 247
- Caterpillar 247B
- Caterpillar 247B3
- Caterpillar 248
- Caterpillar 252B
- Caterpillar 252B3
- Caterpillar 257B
- Caterpillar 257B3
- Caterpillar 259B3
- Caterpillar 267
- Caterpillar 267B
- Caterpillar 268B
- Caterpillar 277
- Caterpillar 287
The 1543986 switch assembly is a plunger-type seat switch designed for Caterpillar compact track loaders and skid steer loaders. It functions as a safety interlock, disabling machine travel and hydraulic functions when the operator leaves the seat. Compatible with Caterpillar 3034, 3024C, 3044C, C2.2, and C3.4 engine platforms. Replaces OEM part numbers 154-3986 and CA1543986. Engineered to meet OEM specifications for durability in rugged operating conditions.
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