84 gmc c1500 Egr valve issues installing it

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ram84

Junior Member
Joined
Mar 13, 2025
Posts
5
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15
Location
seaside
First Name
Ramiro
Truck Year
1984
Truck Model
1500
Engine Size
5.7
GMC forum



I have an 84’ gmc c1500 small block(350) not original engine. I’m replacing the Egr valve but I don’t have the Egr id number. The new Egr has several orifice washers to choose from and needs the Egr id. I went to the dealership and it says the original for the truck is 1711049. Should I go off of that number or does it change because the engine is not the original one? I have a 350 engine that was built 79’-85’.
 
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