Mercury Marine Mercruiser New OEM Ignition Key (127), 30431127

Brand new, genuine Mercury Mercury Marine Mercruiser New OEM Ignition Key (127), 30431127. This is a factory original equipment item, not aftermarket.

This is a genuine factory Mercury Marine ignition key (No. 127), built to precise OEM specifications. Molded from durable brass with nickel plating, it resists corrosion from saltwater and harsh marine environments. The key's unique blade profile and factory cutting guarantee a perfect fit and seamless operation with Mercury ignition switches. Unlike generic aftermarket copies, this key maintains factory standards for smooth insertion, longer service life, and reduced wear on ignition barrels—ideal for replacing worn or lost keys. Paired with Mercury’s GTIN traceability, this key upholds authenticity.

• Factory original, not aftermarket
• Nickel-plated brass material—corrosion-resistant and durable
• Precision factory-cut No. 127 blade—smooth operation in compatible switches

SKU# 30431127

Fits:

Compatible with Mercury and Mercruiser ignition switches using Key No. 127. Confirm match with your engine's key code stamped on existing key or owner’s manual. This key is part of the 300- and 100-series ignition systems.