This is an Oil Filter Housing Diaphragm
(The Crankcase Oil Trap/Oil Separator/PCV Breather) 


This Oil Filter Housing Diaphragm can be easily fitted without the help of an overpriced garage or mechanic. Not only are you saving money on just buying the part you need, you can save money by fitting it yourself! Bonus!

This is a black diaphragm and its been specially made so its oil and fuel resistant and will retain its shape, so will last a lot longer than the thin cheap orange type. so good that we offer 2 years warranty with it! who else offers this.

For the following vehicles

Fitting model (FORD specification - 2.5L petrol engines only will not fit diesel engines)

Ford Focus ST 220 and 225 the following years 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016

Same day dispatch with Royal Mail 24

They will save you having to spend hundreds of pounds on unnecessary parts.

Fitting Instructions and a Video Link

These are a set of codes you will get on diagnostics telling you that your Oil Filter Housing Diaphragm needs replacing...

31338685, 31338684, 30788494-PM6


Guide to Removal / Replacement
The oil filter housing doesn't need to be removed
Simply use a flat edged tool to clip off the lid.
Remove the damaged Diaphragm.
Pop the new one in, gently pushing it into place. (A quick wipe over of the area you're working on would be advised.)
No glue/sealant is needed! It should fit like a glove. 
Replace the the lid!
Below is a  youtube video on how to replace the PVC Diaphragm

https://www.youtube.com/watch?v=1O4r1ftgJaQ&fbclid=IwAR1OhHaZ9CpwFDyQ5DjxhGuILdOgihjAomP0wL4DAASJ269UKa6NQ49Nf3I