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Spark Plugs

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1998 Mazda Protege, 1998 Mazda Millenia, 1998 Mazda MPV, 1998 Mazda B4000, and 1998 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.
SPARK PLUG TYPE

Application NGK No.
B2500, B3000 (1) AWSTF-32F
B3000 (1) AWSF-32PP
B4000 (1) AGSF-22PP
Millenia
2.3L PZFR5F, PZFR6F or PZFR7F
2.5L ZFR5F-11 or ZFR6F-11
MPV BKR5E-11 Or BKR6E-11
626
2.0L BKR5E-11 or BKR6E-11
2.5L (2) PKJ16CR8 or PKJ20CR8
Protege BKR5E-11 or BKR6E-11
(1) Motorcraft spark plug number.
(2) Nippon Denso spark plug number.
SPARK PLUG SPECIFICATIONS

Application Gap In. (mm) Torque Ft. Lbs. (N.m)
B2500, B3000 (1) 7-14 (9-20)
B4000 (1) 10-14 (14-20)
Millenia
2.3L .028-.031 (.7-.8) 11-16 (15-22)
2.5L .040-.043 (1.0-1.1) 11-16 (15-22)
626
2.0L .040-.043 (1.0-1.1) 11-16 (15-22)
2.5L .028-.031 (.7-.8) 11-16 (15-22)
All Others .040-.043 (1.0-1.1) 11-16 (15-22)
(1) For spark plug gap specification, refer to vehicle emission control identification decal located in engine compartment.