ive asked about the part number, is the renault one not better as its 12mm?
12mm heads are readily available from several pump applications out there. Namely, Cummins pumps from the 4bt seems to be a popular source. Beware of new heads on the market...some are 12mm heads that you can get "new" for a really cheap price but take a look at how poruous the metal is on them, there camplates, plungers and you'll find they are chinese heads. There have been several failures and "leaks" that have occured thanks to them. Even busted plungers and camplates! Get a good...used or if you can find them..."new" Bosch head Joe
There are lots of cummins 12mm head, lots of part number.Cummins are also TDI motor.
The grooved head it's from an old pump, the later model do not have the groove.
FWIW, the TDI 12mm head is slightly different than the Cummins 4BT head. KarlQuote from: "RabbitGTDguy"12mm heads are readily available from several pump applications out there. Namely, Cummins pumps from the 4bt seems to be a popular source. Beware of new heads on the market...some are 12mm heads that you can get "new" for a really cheap price but take a look at how poruous the metal is on them, there camplates, plungers and you'll find they are chinese heads. There have been several failures and "leaks" that have occured thanks to them. Even busted plungers and camplates! Get a good...used or if you can find them..."new" Bosch head Joe