Sierra 118-5395 Distributor Cap for GM V8 Thunderbolt HEI Ignition

The Sierra 118-5395 is a premium replacement distributor cap designed for GM V-8 marine engines equipped with Thunderbolt IV and V HEI (High Energy Ignition) systems. This high-quality ignition component is engineered to meet or exceed OEM specifications for reliable, maintenance-free operation on the water.

Key Features:

• Injection-molded construction using glass-filled polyester for superior durability and heat resistance
• High-luster finish with brass contact terminals to eliminate aluminum oxide formation
• Retains high dielectric strength under elevated temperatures for consistent performance
• Molded with perfect roundness to ensure proper fit and secure connection
• Includes gasket for complete installation
• Male/HEI terminal style

Application:

• Fits GM V-8 marine engines (5.0L, 5.7L, and 7.4L) with Thunderbolt IV and V HEI ignitions
• Compatible with MerCruiser stern drive applications

Replaces OEM Part Numbers: MerCruiser 805759T1, 805759T2, 805759A5, 805759A2, 805759A1, 43557A1, 43557, 16457A4, 90746A1; Mallory 9-29403; GLM 71510; CDI E64-0010

Sierra is a trusted name in marine engine parts, delivering quality replacement components that provide dependable performance for boaters. This distributor cap is an essential component for maintaining optimal ignition system function and should be replaced during routine tune-ups to prevent misfires and ensure reliable engine starting.