These tanks separate oil from the breather vent into vapour and liquid, which gives the following major benefits:
Reduced Crankcase Pressure - resulting in the reduction oil blow-by. This means quite simply that your engine will perform better for longer.
Oil Re-Circulation - the tanks return the separated oil back to the sump, meaning your oil will last longer and the risk of running out of oil is reduced. There is also a large bore vent hose that is routed safely underneath the car, to expel any engine fumes.
The standard Cosworth breather system vents back into the airbox, which means that older engines will have a small puddle of oil in their airbox! Oil vapour can be sucked back into the engine, increasing the chances of detonation, which nobody wants.
Due to limited space, LHD Cosworth models & air-con RHD models must use mirror image breather tank. Please note that mirror image tanks only fit with cone air filters fitted.Ford Cosworth YB 16v Turbo
- Ford Sierra RS Cosworth 3 door 1986-1987
- Ford Sierra Cosworth RS500 1987
- Ford Sierra Sapphire RS Cosworth 2wd 1988-1989
- Ford Sierra Sapphire RS Cosworth 4wd 1990-1992
- Ford Escort RS Cosworth 4wd T34 1992-06/1994
- Ford Escort RS Cosworth 4wd T25 06/1994-1996
- Additional Information
Part No OST2BLK Fits Engine Type Ford Cosworth YB Part Type Oil Seperator Tank Product Group Engine Bay Tanks Stock Status Available From Stock Fits Engine Make Ford Catalogue 2017 Page Click HERE to view this part on page 61 of our 2017 catalogue Brand Logo Fits Model Variant Ford Escort Cosworth, Ford Sierra (2WD Cosworth), Ford Sierra (4WD Cosworth) Free Shipping
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