Cometic C15034 GM Gen III/IV LS Small Block V8 Coolant Bypass O-Ring Seals

The Cometic C15034 coolant bypass seals are precision-engineered O-rings designed specifically for GM Generation III and IV LS small block V8 engines. These seals provide a reliable, leak-free connection at the coolant bypass ports, ensuring proper coolant flow and preventing leaks in the engine's cooling system.

Key Features:

• Designed for GM Gen III/IV LS small block V8 applications including LS1, LS2, LS3, LS6, LQ4, LQ9, and related engines
• High-quality elastomer construction resists heat, coolant chemicals, and degradation
• Precision-molded to OEM specifications for proper fit and seal
• Direct replacement for worn or damaged factory coolant bypass seals
• Essential component for water pump installation and cooling system service

These coolant bypass O-ring seals are a critical component when servicing the cooling system, replacing a water pump, or performing engine assembly on LS-based engines. Cometic's exacting manufacturing standards ensure these seals meet or exceed OEM quality for long-lasting, leak-free performance.