Pollak 31-290-01 4-Position Ignition Switch - 7-Blade Terminals, D250 Keyed Alike

The Ultimate Fleet Solution for Heavy-Duty Equipment

The Pollak 31-290-01 Ignition Switch is a premium, 4-position starter switch engineered for the most demanding commercial and industrial environments. This model combines the high-density connectivity of a 7-blade terminal base with the convenience of the industry-standard D250 Keyed Alike system. It is the go-to replacement for operators looking to maintain a "one-key" fleet while utilizing modern wiring harnesses.

Seamless Integration & High Capacity Designed to snap directly into the standard Packard connector #2984017, the 31-290-01 offers a "plug-and-play" experience for heavy-duty trucks and construction machinery. With its 4-position logic (Accessory – Off – On/Run – Start), it provides full control over vehicle electronics and engine cranking in a single, robust unit.

Sealed for Extreme Conditions Engineered to withstand moisture, dust, and vibration, this switch features an internal lip seal and a weather-resistant O-ring. The zinc die-cast housing and high-impact plastic base protect the solid copper contacts, ensuring a long service life and reliable electrical conductivity even in harsh off-road or maritime environments.

Key Features:

• 4-Position Function: Accessory – Off – On/Run – Start (Momentary).

• 7-Blade Terminal Base: Engineered for high-current applications and Packard connector compatibility.

• D250 Keyed Alike: Perfect for Bobcat, Caterpillar, and Case equipment fleets requiring a standardized key.

• Military-Grade Sealing: Internal lip seal and O-ring protect against environmental contaminants.

• Durable Construction: One-piece zinc die-cast housing for maximum mechanical strength.

Technical Specifications

• Part Number: 31-290-01 (Pollak Aftermarket)

• Switch Positions: 4 (Acc-Off-On-Start)

• Terminal Type: 7 Blade Terminals

• Key Code: D250 (Keyed Alike)

• Housing Material: Die-Cast Zinc

• Mounting Hole: Pattern 5 (Standard 1" Bushing)

• Connector Compatibility: Fits Packard Connector #2984017

• Typical Applications: Skid Steers, Excavators, Commercial Fleet Trucks, and Agricultural Machinery.