Do you mean lead? If so you might have some issues trying to find it. Doubt the dealer will have it unless they have their own paint and body shop and even then would be a stretch as most places use water based paints. Personally I'd go to a automotive paint shop and have them mix you something.

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Current garage:
'03 4.6is Proud X5 Peasant
'93 Jeep Cherokee (XJ)
'07 Jeep Liberty (KJ)
'88 Jeep Comanche (MJ)