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SKU:
ZZ3F01648
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3P Brake Switch 539113792 Fit Husqvarna P-ZT 54 RZ4222F RZ4619 RZ4622 RZ5424
$37.39
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$37.39
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
3P Brake Switch for Husqvarna P-ZT 54 RZ4222F RZ4619 RZ4622 RZ5424
This 3P brake switch, referencing OEM part number 539113792, is a safety interlock switch used on Husqvarna zero-turn mowers to ensure safe starting and operation. It is a direct replacement for the switch in models including the P-ZT 54, RZ4222F, RZ4619, RZ4622, and RZ5424. This switch helps prevent accidents by cutting power to the starter unless the parking brake is engaged.
Overview
This 3P brake switch is an electrical safety component that requires the parking brake to be engaged before the mower's engine will start. It serves as a critical part of the operator presence and safety interlock system on Husqvarna zero-turn mowers. This brake switch is the direct replacement part for OEM number 539113792, ensuring original fit and function.
Built For Performance
- Precision-built to match the mounting and electrical specifications of the original Husqvarna brake switch.
- Features a 3-pin connector for straightforward and secure wiring.
- Constructed with a robust plastic housing that resists wear and moisture.
- Ensures reliable engagement detection of the parking brake pedal linkage.
- Provides a cost-effective replacement for a common wear item on zero-turn mowers.
Fits These Machines
- for Husqvarna P-ZT 54
- for Husqvarna RZ4222F
- for Husqvarna RZ4619
- for Husqvarna RZ4622
- for Husqvarna RZ5424
On-The-Job Use
- Restores the safety interlock system that prevents the engine from cranking if the brake is off.
- Replaces a faulty switch that causes the mower to be unable to start or to stall when releasing the parking brake.
- Necessary for maintaining the original safety features when mowing on uneven terrain or near obstacles.
Specs At A Glance
| Type | Brake Safety Switch |
| Terminals | 3 Pin |
| Part Number(s) | 539113792 |
| Compatible Brands | for Husqvarna |
Good To Know
Q: What does this brake switch do on my Husqvarna mower? A: This safety switch prevents the engine from starting unless the parking brake lever is fully engaged. If it fails, the mower may not start at all or may shut off when you disengage the brake.
Q: How can I confirm this switch fits my model? A: This switch is listed for the Husqvarna P-ZT 54, RZ4222F, RZ4619, RZ4622, and RZ5424 models. Always cross-reference your mower's serial number with the OEM part number 539113792 to be absolutely sure of compatibility.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.