TRP Coolant Air Bleed Pipe Seal for LS Engines

Replace worn or leaking coolant steam port seals with this 4-piece LS coolant crossover gasket set, designed to seal the steam vent ports between the cylinder heads and coolant crossover/steam tube.

These seals help prevent coolant leaks at the steam port connections and are an excellent choice when servicing the cooling system, replacing cylinder heads, or completing an LS engine rebuild.

Features:

• Designed for Gen III GM LS engines
• Flat-style two-hole coolant steam port seals
• Helps prevent coolant leaks at the cylinder head steam ports
• Direct replacement-style fit
• Ideal for LS engine repairs, rebuilds, maintenance, and swaps
• Four seals required for a complete engine

Common Applications:

• LS1 5.7L
• LS6 5.7L
• LM7 5.3L
• LQ4 6.0L
• LQ9 6.0L
• Other select Gen III LS-based gasoline V8 applications

Package Includes:

• 4 × Coolant Steam Port Gaskets

GM Part Number: 12551933

Please Note: Verify your engine application and original part number before ordering. Different LS cylinder head and steam tube configurations may use different seals.