zobojoe Posted May 17, 2021 Share Posted May 17, 2021 Can anyone tell me what this is - it is a metal piece that is in-line on the Diesel Fuel pipe coming from Fuel Filter going to Pump on my 2015 Diesel XV Quote Link to comment Share on other sites More sharing options...
stuartie Posted May 18, 2021 Share Posted May 18, 2021 Hi there, not sure what that is but it could be a non return valve to stop the fuel running back from the fuel pump 👍 Quote Link to comment Share on other sites More sharing options...
ernieb Posted May 18, 2021 Share Posted May 18, 2021 I'm pretty sure it's a fuel check valve, non return valve as @stuartie has said. Quote Link to comment Share on other sites More sharing options...
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