Sale 26% Off Ford 7.3L IDI OEM Crankcase Vent / CDR Valve (E3TZ-6A665-A) – Genuine Replacement for 6.9L & 7.3L Diesel Engines Restore reliable crankcase ventilation and maintain proper engine performance with this OEM Ford 7.3L IDI Crankcase Vent / Crankcase Depression Regulator (CDR) Valve, part number E3TZ-6A665-A... MSRP: $218.00 Was: $218.00 Now: $159.99 Out of stock. Please Call For Availability