FORD FOCUS TIMING COVER Mk2 1.8 TDCI KKDA XS4Q6F008 (05-08). KKDA TIMING COVER WITH OIL PUMP GOOD, SPLIT AND CHECKED P/N XS4Q6F008 Mk2 1.8 TDCi Diesel. Manufacturer Part Number: XS406F008BA. This Warranty only covers the main item(s) as described on the invoice i.e.