Moroso Aluminum Coolant Expansion Tank WRX / STI 02-07 / Forester XT 04-08 (63784)

Moroso presents a brand - new direct bolt - in replacement coolant expansion tank. Ideal for your 2002 - 2007 Subaru WRX or STi and 2004 - 2008 Forester XT. It boasts 50% more capacity than the OEM tank. Crafted from fabricated aluminum, it's strong enough to withstand repeated high - heat situations where factory tanks often fail. You can polish, chrome, paint, powder - coat it or keep it as is for a race - ready look. It comes with a billet aluminum filler neck, a Moroso Racing Radiator Cap within the stock pressure range, and integral billet aluminum hose fittings that look better and cause fewer problems than screw - in fittings.

Using this Moroso coolant expansion tank is easy. First, make sure your vehicle's engine is cool. Then, simply remove the old coolant expansion tank and bolt this one in its place. The billet aluminum filler neck and hose fittings are already attached, so you don't have to worry about complex installations. When filling the tank, use the Moroso Racing Radiator Cap provided, which is designed to work within the stock pressure range. For maintenance, regularly check the coolant level in the tank. If you notice any signs of leakage or damage, inspect the tank and fittings. You can clean the tank with a mild soap and water solution. If you've chosen to polish, chrome, paint, or powder - coat the tank, avoid using abrasive cleaners that could damage the finish. Also, be careful not to over - tighten the fittings as it could cause cracks or leaks.