Pollak 31-106 4-Position Ignition Switch – 4 Stud Terminals, Keyed Alike PK-556

Reliable Heavy-Duty Ignition Control with Built-in Starter Protection

Upgrade your vehicle's electrical system with the Pollak 31-106 4-Position Ignition Switch. Engineered for durability and precision, this universal-type switch is housed in a rugged zinc die-cast casing, making it ideal for trucks, agricultural equipment, and heavy-duty machinery.

The Pollak 31-106 features a 4-position configuration (Accessory – Off – On/Accessory – Start) with a momentary start function. One of its standout safety features is the Patented Starter Lockout, which prevents the operator from restarting the engine while it is already running, protecting your starter motor from costly damage.

Equipped with four #10-32 stud terminals and keyed alike to the popular PK-556 code, this switch offers a seamless "direct-fit" installation for many OEM applications.

Key Features & Benefits:

• 4-Position Functionality: Efficiently manage Accessory, Off, Ignition, and Momentary Start.

• Starter Lockout Protection: Patented feature prevents accidental engagement of the starter motor while the engine is running.

• Heavy-Duty Construction: Durable zinc die-cast housing ensures long-lasting performance in harsh environments.

• Keyed Alike (PK-556): Convenient for fleets or multi-vehicle setups requiring the same key code.

• Superior Conductivity: Features solid brass terminals and copper contacts for minimal voltage drop.

• Weather Resistant: Designed with internal lubrication and high-impact materials to resist moisture and debris.

Technical Specifications:

• Part Number: 31-106 (or 31-106P)

• Positions: 4 (Acc-Off-On/Acc-Start)

• Terminals: 4 x #10-32 Studs

• Key Code: PK-556 (Includes 2 Keys)

• Voltage: 12V - 14V DC

• Amperage Ratings: Accessory: 30A | Ignition: 8A | Start: 75A (Momentary)

• Mounting: 2-Hole Pattern / 1" - 24 UNS-2A Thread