Pollak 21-580 Precision Ball Switch – Normally Open (NO), M14 x 2.0 Metric Thread (Fits MP 15300027)

Metric Precision for High-Performance Heavy-Duty Systems

The Pollak 21-580 Precision Ball Switch is a premium electrical sensing solution engineered for modern vehicle platforms that utilize metric hardware. This Normally Open (NO) switch is built to provide immediate and accurate circuit activation, making it a critical component for neutral sensing, backup lamp engagement, and PTO interlock systems in the trucking and industrial sectors.

Metric Versatility Meets Weatherproof Reliability

The 21-580 is distinguished by its M14 x 2.0 metric thread, making it the correct fit for specific transmissions and engine blocks found in newer or international heavy-duty equipment. To ensure a lifetime of service in harsh conditions, it features sealed terminals designed to mate perfectly with the Metri-Pack 280 Series (MP 15300027) connector. This creates a watertight, dust-proof seal that prevents corrosion caused by road salt, moisture, and debris.

Pollak Engineering for Extreme Durability

Constructed with a rugged, corrosion-resistant body and an encapsulated design, the 21-580 is built to withstand heavy vibrations and extreme temperatures ranging from -40°F to +250°F. With a mechanical life of 1,000,000 cycles, this switch provides the "set-it-and-forget-it" reliability that professional fleet managers and owner-operators depend on.