Manufactured from mild steel with a zinc plated finish for durability and corrosion resistance. The cap is clearly marked LBS 15 / G1050 for easy identification. Spring length is measured from the outside of the cap to the tip of the brass disc on the end of the spring. Cap sizes and dimensions are illustrated in the product images. This cap is supplied as a double sealed cap and is suitable for use on a sealed recovery system. In a sealed recovery system, the cap (double seal) allows coolant to flow to and from the recovery or expansion tank, maintaining the integrity of the cooling system. Please note: If your existing cap is the single seal type (only one rubber seal – the small rubber at the end of the spring), th.
