Dit kon ik via Google zo snel even vinden.
http://www.laffey.co.uk/peugeot/504504c.php
602. Sparking plugs ‑‑‑ 'XNP, A044XL, Marchal 35HS or
602a.Champion N7Y; 'XNT, Champion N6Y or Marchal GT34HD
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http://bielles.free.fr/bielles-mecanique/504i.html
bougies: culot long= SEV-Marchal GT34HD, Champion N6Y, écartement= 0,50 à 0,55mm
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http://www.laffey.co.uk/peugeot/204.php
602. Sparking plugs ... ... AC 42XL, Marchal GT34HD or Champion N9Y
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