The 'Peugeot specific ones' are just double flared. IMO I would replace with double flared again. It provides a better seal.
As Stefan correctly says, any M10x1 unions will be fine
As Stefan correctly says, any M10x1 unions will be fine

![[Image: car-1.jpg]](http://i1117.photobucket.com/albums/k591/grant-306/car-1.jpg)
Member of the 99% warning or you're nothing club
2000 Moonstone 1.8 Meridian - Sold
2000 China 3dr XS - Dead
1998 Diablo 3dr XSI