The purpose of the check valve is to reduce the risk of fuel prime loss and fuel siphoning from the head when the fuel filter is removed.
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Need to know if there is a way to move that check valve somewhere else for easy access. Thank you.
Remove dog house from floor pan, a 3/4 wrench, 15/16 wrench, and a 7/8 wrench are required. Ck valve is located on back of cyl head, it’s a small stainless steel valve with a direction arrow, Detroit diesel logo and part number is 23516918 274399c. Oem part is around $250-$350. Aftermarket around $60. Teflon tape recommend on threads upon installation.