These fantastic engines, mostly diesel, were very widely sold to many car makers, as they were second to none in longevity, robustness and quality. These engines were fitted to Fiat, Ford, Lancia, Hyundai, Toyota, as well as the Peugeot's and Citroen's.  So over time, even the sump plug got changed a few times. 

Is there an easy way to tell which sump plug is the correct one to be fitted to your car?
Fortunately, there is. Rather than looking at loads of lengthy tables with engine numbers etc, and then still getting the wrong one, because the table was not 100% right, just can just follow the these simple steps: 

Firstly, have a look underneath the car at the sump, then locate the sump plug and see what it looks like.


  • Does it have a round smooth outside (22mm dia.) with a square hole (8mm) in it?  Then it is an SP12:



  • Does it have a flat hexagonal head (21mm) with no Allen key hole?   Then it is an SP5:



  • Does it have a flat hexagonal head with an Allen key hole (8mm) in it? Then it is an SP17:



Finally, once you know which Sump Plug is the right one for your vehicle, don't forget to order it from our online store.

Cars change all the time and we are not perfect. If you have a Peugot/Citroen engined vehicle with a different sump plug, email us a picture and we will try to help you out. In addition we will also send you a little something to say Thank You


You may also find our video guide helpful: