Description
Mercury 30431133 Ignition Key — Key 133 (Single Key)
The Mercury 30431133 is a factory OEM ignition key stamped “133” and used across many Mercury and MerCruiser ignition systems. Designed to deliver precise engagement and long-term reliability, it’s a direct replacement for lost or damaged keys in matching switch systems.
Applications & Compatibility
- Compatible with Mercury and MerCruiser 100-series ignition systems using key code 133
- OEM part, not aftermarket — provides correct fit and durability
Features & Benefits
- Genuine Mercury OEM key for secure and precise operation
- Durable materials suitable for marine environments
- Perfect replacement for lost or spare key 133
Specifications
- Part Number: 30431133
- Key Code: 133
- Type: Ignition Key (single)
- UPC: 745061134263
- Prop 65 Warning: Cancer
- Origin: Mercury factory supply
Installation Notes
Ensure your ignition switch or existing key is stamped “133” before ordering this key. Insert into matching 3-position switch for correct alignment and engagement.
Returns
Unopened and unused keys may be returned under our Return Policy. Please verify key code compatibility before purchase.
Wakeboss.com stocks only genuine Mercury OEM ignition parts to guarantee correct performance and long-term reliability.