Cosworth’s 12mm Oil Pump for the EJ20 and EJ25 Subaru is designed to increase overall volume, maintain pressure and provide enhanced oil control to aid in the dissipation of heat.
A common problem exists with many high-performance engines, a significant amount of heat is flushed through the engine through the oil system. In order to counter this known issue, Cosworth takes apart an OEM oil pump, de-burrs critical areas to reduce flow restrictions. From there the pump is re-shimmed to increase oil pressure output before finally assembling it with the larger 12mm impeller for increased volume output by 20%.
Weight | 3 lbs |
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Dimensions | 14 × 7 × 2.25 in |
Subaru | Impreza WRX | 2002 |
Subaru | Impreza WRX | 2003 |
Subaru | Impreza WRX | 2004 |
Subaru | Impreza WRX STi | 2004 |
Subaru | Impreza WRX | 2005 |
Subaru | Impreza WRX STi | 2005 |
Subaru | Impreza WRX | 2006 |
Subaru | Impreza WRX STi | 2006 |
Subaru | Impreza WRX | 2007 |
Subaru | Impreza WRX STi | 2007 |
Subaru | Impreza WRX | 2008 |
Subaru | Impreza WRX STi | 2008 |
Subaru | Impreza WRX STi | 2009 |
Subaru | Impreza WRX | 2009 |
Subaru | Impreza WRX STi | 2010 |
Subaru | Impreza WRX | 2010 |
Subaru | Impreza WRX STi | 2011 |
Subaru | Impreza WRX | 2011 |
Subaru | Impreza WRX STi | 2012 |
Subaru | Impreza WRX | 2012 |
Subaru | Impreza WRX STi | 2013 |
Subaru | Impreza WRX | 2013 |
Subaru | Impreza WRX STi | 2014 |
Subaru | Impreza WRX | 2014 |
Subaru | Impreza WRX STi | 2015 |
Subaru | Impreza WRX STi | 2016 |
Subaru | Impreza WRX STi | 2017 |
$53.74 $48.36
$53.74 $48.36