Mazda
MIZER
4 cyl 1.3L 1975-77 4spd, RWD, MGLC4R BK171A BK171AWS
1975-77 5spd, RWD, MGLC5R BK171 BK171WS
MX3
4 cyl 1.6L 1992-93 5spd, FWD, M5TX, aluminum case BK277 BK277WS
– 25.4mm I.D. ball input bearing
1994-95 5spd, FWD, M5TX, aluminum case BK277A BK277AWS
– 24.9mm I.D. ball input bearing
2.5L 1992-95 5spd, FWD, M5TXA, aluminum case BK210 BK210AWS
– reverse synchro ring
MX6
4 cyl 2.0L 1993-97 5spd, FWD, M5TXA, aluminum case BK210 BK210AWS
2.2L 1988-92 5spd, FWD, M5TXA, aluminum case BK210 BK210AWS
– 68mm O.D. differential bearing
1988-92 5spd, FWD, PR5T BK303 BK303WS
– Turbo only
– 75mm O.D. differential bearing
6 cyl 2.5L 1993-97 5spd, FWD, M5TXA, aluminum case BK210 BK210AWS
PROTÉGÉ and PROTÉGÉ 5
4 cyl 1.5L 1995-98 5spd, FWD, M5TX, aluminum case BK277B BK277BWS
1.6L 1999-01 5spd, FWD, M5TX, aluminum case BK277A BK277AWS
1.8L 1990-95 5spd, FWD, M5TXA, DOHC, aluminum case BK210 BK210AWS
– DOHC only
– 68mm O.D. differential bearing
1990-93 5spd, FWD, M5TX, SOHC, aluminum case BK277 BK277WS
– 25.4mm I.D. ball input bearing
– 60mm O.D. differential bearing
1994-00 5spd, FWD, M5TX, aluminum case BK277A BK277AWS
– 24.9mm I.D. input ball bearing
– 60mm O.D. differential bearings
1990-91 5spd, 4WD, MP54W BK423A BK423AWS
2.0L 2001-02 5spd, FWD, M5TXA, aluminum case BK210 BK210AWS
RX2
Rotary 1.1L 1970-74 4spd, RWD, MGLC4R BK171A BK171AWS
RX3 and RX4
Rotary 1.1L 1972-76 4spd, RWD, MGLC4R BK171A BK171AWS
1976-78 5spd, RWD, MGLC5R BK171 BK171WS
RX7
Rotary 1.1L 1979-80 4spd, RWD, MRX4R BK137A BK137AWS
1979-80 5spd, RWD, RX7 BK132 BK132WS
– 20.5mm wide double ball front countershaft bearing
– 1st-4th synchro rings have 30 teeth
1979-80 5spd, RWD, RX7 BK137 BK137WS
– 15mm wide single ball front countershaft bearing
– 1st-4th synchro rings have 30 teeth
1981-85 5spd, RWD, RX7 BK132L BK132LWS
– 20.5mm wide double ball front countershaft bearing
– 1st-4th synchro rings have 36 teeth
1981-85 5spd, RWD, RX7 BK137L BK137LWS
– 15mm wide single ball front countershaft bearing
– 1st-4th synchro rings have 36 teeth
RX7
Continued
Rotary 1.3L 1986-88 5spd, RWD, RX7B BK132L BK132BWS
– 20.5mm wide double ball front countershaft bearing
1986-88 5spd, RWD, RX7B BK137L BK137BWS
– 15mm wide single ball front countershaft bearing
1989-92 5spd, RWD, RX7B BK132L BK132CWS
– 20.5mm wide double ball front countershaft bearing
– reverse synchro ring
1989-92 5spd, RWD, RX7B BK137L BK137DWS
– 15mm wide single ball front countershaft bearing
– reverse synchro ring
1987-93 5spd, RWD, RX7T, bottom pan BK199 BK199WS
– Turbo only
– all synchro rings are single piece design
1994-95 5spd, RWD, RX7T, bottom pan BK199 BK199AWS
– Turbo only
– 2nd and 3rd gear synchro rings are multi-piece design
RX8
Rotary 1.3L 2004-on 6spd, RWD, RX8 BK436 BK436WS
B1600
4 cyl 1.6L 1972-76 4spd, RWD, CR1, aluminum case, splits lengthwise BK164 BK164WS
B1800
4 cyl 1.8L 1976-78 4spd, RWD, CR1, aluminum case, splits lengthwise BK164 BK164WS
1976-78 5spd, RWD, CR2, aluminum case, bottom pan BK152 BK152WS
B2000
4 cyl 2.0L 1979 4spd, RWD, CR1, aluminum case, splits lengthwise BK164 BK164WS
1980-84 4spd, RWD, B4, aluminum case, rear load BK137A BK137AWS
1986-87 4spd, RWD, B2200 BK132L BK132LWS
– 20.5mm wide double ball front countershaft bearing
1986-87 4spd, RWD, B2200 BK137L BK137LWS
– 15mm wide single ball front countershaft bearing
1980-84 5spd, RWD, B2000 BK132 BK132WS
– 1st-4th synchro rings have 30 teeth
1980-84 5spd, RWD, B2000 BK137 BK137WS
– 15mm wide single ball front countershaft bearing
– 1st-4th synchro rings have 30 teeth
1986-87 5spd, RWD, B2200 BK132L BK132LWS
– 20.5mm wide double ball front countershaft bearing
– 1st-4th synchro rings have 36 teeth
1986-87 5spd, RWD, B2200 BK137L BK137LWS
– 15mm wide single ball front countershaft bearing
– 1st-4th synchro rings have 36 teeth
B2200
4 cyl 2.2L 1982-84 5spd, RWD, B2000 BK132 BK132WS
– 20.5mm wide double ball front countershaft bearing
– 1st-4th synchro rings have 30 teeth
1982-84 5spd, RWD, B2000 BK137 BK137WS
– 15mm wide single ball front countershaft bearing
– 1st-4th synchro rings have 30 teeth
1986-89 5spd, RWD, B2200 BK132L BK132LWS
– 20.5mm wide double ball front countershaft bearing
– 1st-4th synchro rings have 36 teeth
B2200
Continued
4 cyl 2.2L 1986-89 5spd, RWD, B2200 – 15mm wide single ball front countershaft bearing – 1st-4th synchro rings have 36 teeth BK137L BK137LWS
1990-93 5spd, RWD, B2200 – 20.5mm wide double ball front countershaft bearing – reverse synchro ring BK132L BK132DWS
1990-93 5spd, RWD, B2200 – 15mm wide single ball front countershaft bearing – reverse synchro ring BK137L BK137EWS
B2300
4 cyl 2.3L 1994-03 5spd, RWD, M5R1, aluminum case and top cover – 5th and Rev synchro rings have 36 teeth – all synchro rings are a single piece design BK247 BK247AWS
2001-03 5spd, RWD, M5R1, aluminum case and top cover – 1st and 2nd synchro rings have 45 teeth – 2nd gear synchro ring is multi-piece design BK247 BK247BWS
B2500
4 cyl 2.5L 1998-01 5spd, RWD, M5R1, aluminum case and top cover – 5th and Rev synchro rings have 36 teeth – all synchro rings are a single piece design BK247 BK247AWS
2001 5spd, RWD, M5R1, aluminum case and top cover – 1st and 2nd synchro rings have 45 teeth – 2nd gear synchro ring is multi-piece design BK247 BK247BWS
B2600
4 cyl 2.6L 1987-93 5spd, RWD or 4WD, B2600, aluminum case, bottom pan BK199 BK199WS
B3000
6 cyl 3.0L 1994-on 5spd, RWD, M5R1, aluminum case and top cover – 5th and Rev synchro rings have 36 teeth – all synchro rings are a single piece design BK247 BK247AWS
2001-on 5spd, RWD, M5R1, aluminum case and top cover – 1st and 2nd synchro rings have 45 teeth – 2nd gear synchro ring is multi-piece design BK247 BK247BWS
B4000
6 cyl 4.0L 1994-on 5spd, RWD, M5R1, aluminum case and top cover – 5th and Rev synchro rings have 36 teeth – all synchro rings are a single piece design BK247 BK247AWS
2001-on 5spd, RWD, M5R1, aluminum case and top cover – 1st and 2nd synchro rings have 45 teeth – 2nd gear synchro ring is multi-piece design BK247 BK247BWS
MPV (VAN) 4 cyl 2.6L 1989-93 5spd, RWD or 4WD, B5V, aluminum case, bottom pan BK199 BK199WS
6 cyl 3.0L 1989-93 5spd, RWD or 4WD, B5V, aluminum case, bottom pan BK199 BK199WS
NAVAJO
6 cyl 4.0L 1991-94 5spd, RWD, M5R1, aluminum case and top cover BK247 BK247AWS
TRIBUTE
4 cyl 2.0L 2001-on 5spd, FWD, G5P0, aluminum cases, black tin cover over 5th gears BK210C BK210CWS
2001-on 5spd, 4WD, G5R0, aluminum cases, black tin cover over 5th gears BK210C BK210CWS
B2300
4 cyl 2.3L 1994-97 BW1354, aluminum cases, chain driven BK1354 TSK-1354
1995-97 BW4405, aluminum cases, chain driven BK4405 TSK-4405
B2600
4 cyl 2.6L 1987-93 MAZTR, aluminum cases, chain driven BK368 Inquire
B3000
6 cyl 3.0L 1994-on BW1354, aluminum cases, chain driven BK1354 TSK-1354
1995-97 BW4405, aluminum cases, chain driven BK4405 TSK-4405
B4000
6 cyl 4.0L 1994-on BW1354, aluminum cases, chain driven BK1354 TSK-1354
1995-97 BW4405, aluminum cases, chain driven BK4405 TSK-4405
MPV (VAN)
6 cyl 3.0L 1989-97 MPVTR, aluminum cases, chain driven BK384 BK384
NAVAJO
6 cyl 4.0L 1991-94 BW1354, aluminum cases, chain driven BK1354 TSK-1354
TRIBUTE
4 cyl 2.0L 2001-on FET/C, aluminum cases, single speed BK456 TSK-456
6 cyl 3.0L 2001-on FET/C, aluminum cases, single speed BK456 TSK-456