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Radium Engineering Radiator Cap Type-B 1.3 Bar - Black
Radium high performance radiator caps are engineered to improve cooling efficiency. The radiator cap is an essential part of an upgraded cooling system and will help to safely maximize engine performance by controlling the coolant boiling point.
Each OEM replacement radiator cap is manufactured from stamped stainless steel for durability and feature silicone sealing elements that are superior to natural rubber gaskets.
Available in 3 pressure ratings: 1.1Bar (16.0psi), 1.3Bar (18.9psi), and 1.5Bar (21.8psi). A higher radiator coolant pressure effectively raises the boiling temperature of the coolant, providing extra safety margin and preventing air pocket cavitation at the water pump
Also available in 2 common styles (Type-A and Type-B). Radium radiator caps are designed for mini size (32mm ID) radiator necks only. Please confirm what style your radiator uses prior to ordering.
Below are popular vehicles with their respective radiator cap style that is used from the OEM factory. NOTE: there are many vehicles not listed below that use one of these radiator cap styles.
Type-A
1990-1993 Honda Integra1991-2005 Honda NSX1990-1993 Honda Accord1988-1991 Honda Civic2016-2019 Honda Civic1988-1991 Honda CRX1992-2001 Honda Prelude2003-2008 Infiniti G352008-up Infiniti G372014-up Infiniti Q502014-up Infiniti Q601992-2000 Lexus SC4001990-1995 Mazda Cosmo1990-2005 Mazda Miata2006-up Mazda MX-51986-2002 Mazda RX-72004-2011 Mazda RX-81991-1999 Mitsubishi 3000GT1990-1999 Mitsubishi EclipseMitsubishi Lancer/EVO1989-1998 Nissan 180SX1989-1998 Nissan 200SX1989-1998 Nissan 240SX1990-1996 Nissan 300ZX2003-2009 Nissan 350Z2009-up Nissan 370Z2005-up Nissan Frontier2009-up Nissan GT-R1989-2002 Nissan Silvia1989-2002 Nissan Skyline1993-up Subaru Impreza1990-up Subaru Legacy2015-up Subaru WRX STi2015-up Subaru WRX1982-1995 Toyota Celica1985-1995 Toyota MR21986-1992 Toyota SupraRadium Coolant Expansion Tank
Type-B
1994-2001 Honda Integra2002-2006 Honda Integra2004-2008 Honda Accord1994-1997 Honda Accord1992-2015 Honda Civic1993-1997 Honda Del Sol2003-2011 Honda Element2007-up Honda Fit2000-2009 Honda S20002008-up Lexus LX5701998-2005 Lexus IS3002012-up Subaru BRZ2012-up Toyota 862008-up Toyota Land Cruiser2008-up Toyota Sequoia1993-2002 Toyota Supra2007-up Toyota Tundra
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