Engine VIN code Z,H. Escape & Mariner. To 4/31/06. With plastic valve cover. MLS head gasket. Use new head bolts.
2.3L / 138 DOHC L4 16V "D,H,Z" Duratec 87.50mm Bore 01-21
FORD
2.3L / 138 DOHC L4 16V "Z" Duratec 87.50mm Bore 03-09
FORD
FO138C | 2.3L / 138 DOHC L4 16V "Z" Duratec 87.50mm Bore 03-09
FORD,
MERCURY
FO138T | 2.3L / 138 DOHC L4 16V "D,H,Z" Duratec 87.50mm Bore 01-21
FORD,
MERCURY