Engine for Miata NA / NB
4 matching parts guides.
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NA Miata Crank Pulley / Woodruff Key / Short-Nose Crank Trap
NA Miata 1.6 1990-93 / NA 1.8 1994-97
View guide2001-2005 NB Miata VVT Actuator, Oil-Control Valve and Oil-Supply Diagnosis
2001-2005 North American NB Miata with BP6D 1.8L VVT engine. NA, 1999-2000 NB1 and Mazdaspeed turbo applications are excluded.
View guide1999-2005 NB Miata Naturally Aspirated Engine and Long-Block Assembly Identification
US/LHD 1999-2005 Mazda MX-5 Miata NB naturally aspirated 1.8L engine and long-block assemblies only, split into 1999-2000 non-VVT and 2001-2005 intake-cam-VVT branches. Federal/California emissions identity, manual/automatic external interfaces, exact donor year/VIN and assembly contents remain separate checks. 2004-2005 Mazdaspeed turbo, NA, NC/ND, non-US/RHD/JDM engines, performance swaps and unsupported cross-year or transmission interchange are excluded.
View guide1990-1997 NA Miata 1.6L and 1.8L Engine and Long-Block Donor Identification
US/LHD 1990-1997 Mazda MX-5 Miata NA factory naturally aspirated engine and long-block applications only: 1990-1993 1.6-liter B6 and 1994-1997 1.8-liter BP branches. Resolve recipient and donor VIN/build, exact model year, displacement, installed service/engine identity, early-versus-later 1.6 crank configuration, manual/automatic preparation, Federal/California emissions equipment, sensors, accessories and seller contents. Exclude the US 1998 model-year gap, 1999-up NB/NC/ND, Mazdaspeed/turbo, non-US/RHD/JDM plug-in assumptions, performance builds and unsupported 1.6-to-1.8 or cross-generation swaps.
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