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88 C2500 4.3 Supply/Return lines


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Hello,

My fuel lines rusted and developed a leak.  I found a Dorman replacement for the Supply, but none for the return line.  Also, at the Fuel Module Connections for these lines, there are some very small O-rings on the Module end fittings which I want replace.  Does anyone have experience with replacing these fuel lines and know a source for these O-rings and a new return line?  
Thanks

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  • Owner

You can most likely stop by harbor freight for a o-ring kit. They have good assortment of sizes. I'm going to assume without seeing the connector it's like a A/C lines you'll use a release tool to push the locking spring back to release the lines. I typically got a lot of o-rings from A/C kits. They work good in power steering and fuel systems.

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