Sierra 18-99267 Timing Protection Module for Mercury Mariner 30 40 HP Outboard

The Sierra 18-99267 is an aftermarket replacement Timing Protection Module (TPM) designed for Mercury and Mariner 2-cylinder outboard engines. This critical ignition system component monitors engine timing and provides protection against over-revving and timing-related failures, ensuring reliable engine operation and longevity.

Key Features:

• Direct replacement for Mercury OEM part number 823251A5
• Designed for 1994-1995 Mercury/Mariner 30 HP and 40 HP outboard engines
• Compatible with 2-cylinder engines using fixed timing configuration
• Works with engines equipped with 3-wire CDM (Capacitor Discharge Module) systems
• Manufactured by Sierra Marine to meet or exceed OEM specifications
• Provides essential timing protection to prevent engine damage

This timing protection module is essential for maintaining proper ignition timing and protecting your outboard engine from potentially damaging over-rev conditions. Sierra Marine is known for producing high-quality aftermarket marine parts backed by comprehensive warranties. Note: This part is listed as NLA (No Longer Available) from Mercury Marine, making aftermarket replacements like this Sierra unit valuable for maintaining older outboard engines.