Honda Water Pump Quick Reference Guide
This guide provides common water pump replacement parts for recent production models.
Model Type Prefix Serial Number Range Air Cleaner PN Filter Outer PN
WX10K1 All WATJ 1000001 ~ 1999999 17211-Z0H-000
WX10T All WAGT 1000001 ~ 1999999 17211-Z0H-000
WX15 All WZBY 1000001 ~ 1999999 17211-ZM7-000 28400-ZM7-003 CR5HSB 98056-55777
WX15T All WAHT 1000001 and up 17211-ZM7-000 28400-ZM7-003 CR5HSB 98056-55777
WH15XK1 All GC01 2000001 ~ 9999999 17211-ZE1-000
WH15XK2 All WZAV 1000001 and up 17211-ZE1-000 28400-Z4M-305ZB BPR6ES 98079-56846
WH15XT All WAJT 1000001 ~ 1999999 17211-ZE1-000 28400-Z4M-305ZB BPR6ES 98079-56846
WH15XT2 All WAJT 2000001 and up 17211-ZE1-000 28400-Z4M-306ZB BPR6ES 98079-56846
WH20XK1 AC1 GC02 2000001 ~ 8669999 17211-ZE1-000 28400-ZH8-013YA BPR6ES 98079-56846
WH20XK1 AC1/A GC02 8670001 ~ 9099999 17211-ZE1-000
Recoil
Starter PN
28400-Z3E-M01
28400-Z3E-M01
28400-ZH8-013YA
to SN 4363433*
28400-Z0T-003ZB
from SN 4363434*
28400-ZH8-013YA
to SN 8805657*
28400-Z0T-003ZB
from SN 8805658*
Type PN
CMR5H 31915-Z0H-003
CMR5H 31915-Z0H-003
BPR6ES 98079-56846
BPR6ES 98079-56846
Spark Plug
WH20XK1 AC1/B WASJ 1000001 ~ 1099999 17211-ZE1-000 28400-Z0T-003ZB BPR6ES 98079-56846
WH20XK2 All WASJ 1100001 and up 17211-ZE1-000 28400-Z4M-305ZB BPR6ES 98079-56846
WH20XT All WAKT 1000001 and up 17211-ZE1-000 28400-Z4M-305ZB BPR6ES 98079-56846
WMP20X A1 WMP20X 1100001 and up
WMP20X A1T WAAA 1000001 ~ 1030003
WMP20X1 A1T WAAA 1030004 and up
WB20XK2 A WABT 1000001 ~ 1999999 17211-ZE1-000 28400-Z0T-003ZB BPR6ES 98079-56846
* Refers to engine serial number
© 2015-2019 American Honda Motor Co., Inc. OTR54653A.2019.07
17210-Z4M-821
17210-Z4M-821
17210-Z4M-821
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17218-ZE1-821 28400-Z0T-003ZB BPR6ES 98079-56846
17218-ZE1-821 28400-Z0T-003ZB BPR6ES 98079-56846
17218-ZE1-821 28400-Z4M-305ZB
BPR6ES 98079-56846
Honda Water Pump Quick Reference Guide
Model Type Prefix Serial Number Range Air Cleaner PN Filter Outer PN
WB20XT2 A WABT 2000001 ~ 2999999 17211-ZE1-000 28400-Z4M-305ZB BPR6ES 98079-56846
WB20XT3 A WABT 3000001 ~ 3999999 17211-ZE1-000 28400-Z4M-305ZB BPR6ES 98079-56846
WB20XT4 A WABT 4000001 and up 17210-Z4M-821 28400-Z4M-306ZB BPR6ES 98079-56846
WB30XK2 A WACT 1000001 ~ 1999998 17211-ZE1-000 28400-Z0T-003ZB BPR6ES 98079-56846
WB30XT2 A WACT 2000001 ~ 2999999 17211-ZE1-000 28400-Z4M-305ZB BPR6ES 98079-56846
WB30XT3 A WACT 3000001 and up 17211-ZE1-000 28400-Z4M-305ZB BPR6ES 98079-56846
WT20XK3 AC WAAJ 1000001 ~ 1009998 17210-ZE1-517 17218-ZE1-507 28400-ZH8-013YA BPR6ES 98079-56846
WT20XK3 AC/A WAAJ 1010001 ~ 1013491 17210-ZE1-517 17218-ZE1-507
WT20XK3 AC/B WAAJ 1013492 ~ 1099999 17210-ZE1-517 17218-ZE1-507 28400-Z0T-003ZB BPR6ES 98079-56846
WT20XK4 AC WAAJ 1100001 and up 17210-ZE1-517 17218-ZE1-507 28400-Z4M-305ZB BPR6ES 98079-56846
WT30XK3 All WABJ 1000001 ~ 1199999 17210-ZE2-515 17218-ZE2-505 28400-ZE2-W02ZN BPR6ES 98079-56846
WT30XK4 AC WAWJ 1000001 and up 17210-ZE2-515 17218-ZE2-505 28400-Z5K-305ZA BPR6ES 98079-56846
WT40XK3 All WACJ 1000001 ~ 1199999 17210-ZE3-505 17218-ZE3-505 28400-ZE3-W02ZP BPR6ES 98079-56846
WT40XK4 AC WAYJ 1000001 and up 17210-ZE3-505 17218-ZE3-505 28400-Z5T-305ZA BPR6ES 98079-56846
WDP30T AT WZCA 6000001 ~ 6099999 17210-ZE0-505 17218-ZE0-505 28400-ZH8-013YA BPR6ES 98079-56846
Recoil
Starter PN
28400-ZH8-013YA
to SN 8805657*
28400-Z0T-003ZB
from SN 8805658*
Type PN
BPR6ES 98079-56846
Spark Plug
WDP30XK1 AT WZCA 6100001 ~ 6199999 17210-ZE0-505 17218-ZE0-505 28400-Z0T-003ZB BPR6ES 98079-56846
WDP30XK2 AT WZCA 6200001 and up 17210-ZE0-505 17218-ZE0-505 28400-Z4M-305ZB BPR6ES 98079-56846
* Refers to engine serial number
© 2015-2019 American Honda Motor Co., Inc. OTR54653A.2019.07
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