Sending unit 4 tubes

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Subb

Junior Member
Joined
Oct 9, 2024
Posts
7
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Location
The Netherlands
First Name
Cees
Truck Year
1985
Truck Model
Suburban C20
Engine Size
V8 5.7
Hello everybody,
I got myself a new sending unit and I changed all the metal fuel pipes for copper from front to back. Unfortunately i don’t remember which tube is for the return fuel ( B or D)?
And do you guys know what that little ’filter’ is on the B end inside the tank?

Thankyou in advance
Gr
 

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