Honda OEM Part 17581-MGZ-J00 FASTENER B, DUAL LOCK (20X30)
- Product Code: 17581-MGZ-J00
$2.29
- Genuine Honda OEM part
- New in original packaging
- Fits the models listed in the fitment chart
- Easy, no-hassle returns
This product is vehicle specific.
Find your vehicle to make sure this part fits before you order.
Ships in 4 to 9 days
Genuine Honda OEM Fastener B, Dual Lock (20X30) (part number 17581-MGZ-J00) from the Side Cover@Rear Cowl diagram. It fits Honda CB300FAC, CBR300R5A, CBR300R5AC, CBR300RA5AC, CRF250RLAAC, CRF250RLAC and 28 more built from 2013 to 2025.
Fits these models
- CBR500RA: 2013–2015
- CBR500RAA: 2013–2015
- CBR500RAAC: 2013–2015
- CBR500RAC: 2013–2015
- CB300FAC: 2015–2018
- CBR300RA: 2015–2016
- CBR300RAA: 2015–2016
- CB300FAAC: 2017–2018
- CBR300R5A: 2017–2022
- CBR300R5AC: 2017–2022
- CBR300RA5AC: 2017–2022
- CRF250RLAAC: 2017–2020
- CRF250RLAC: 2017–2020
- CBR1000SP2AC: 2021–2023
- CBR1000SP3AC: 2022–2023
- and 19 more models
See the Fitment tab for the full list with model codes.
Need Help Finding the Right Part?
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Year, make and model of your machine
VIN or frame / serial number
OEM part number or a photo of the old part
Find your ride
Check your current ride below to confirm product compatibility.
Honda
2023
2022
- CBR1000SP2AC (22) MOTORCYCLE, JPN, VIN# JH2SC821-NK100001 TO JH2SC821-NK199999
- CBR1000SP3AC (22) MOTORCYCLE, JPN, VIN# JH2SC821-NK100001 TO JH2SC821-NK199999
- CBR300R5A (22) MOTORCYCLE, THA, VIN# MLHNC510-N5800001
- CBR300R5AC (22) MOTORCYCLE, THA, VIN# MLHNC511-N5800001
- CBR300RA5AC (22) MOTORCYCLE, THA, VIN# MLHNC515-N5800001
2021
- CBR1000SP2AC (21) MOTORCYCLE, JPN, VIN# JH2SC821-MK000001 TO JH2SC821-MK099999
- CBR1000SPAC (21) MOTORCYCLE, JPN, VIN# JH2SC821-MK000001 TO JH2SC821-MK099999
- CBR300R5A (21) MOTORCYCLE, THA, VIN# MLHNC510-M5700001 TO MLHNC510-M5799999
- CBR300R5AC (21) MOTORCYCLE, THA, VIN# MLHNC511-M5700001 TO MLHNC511-M5799999
- CBR300RA5AC (21) MOTORCYCLE, THA, VIN# MLHNC515-M5700001 TO MLHNC515-M5799999
2020
- CBR300R5A (20) MOTORCYCLE, THA, VIN# MLHNC510-L5600001 TO MLHNC510-L5699999
- CBR300R5AC (20) MOTORCYCLE, THA, VIN# MLHNC511-L5600001 TO MLHNC511-L5699999
- CBR300RA5AC (20) MOTORCYCLE, THA, VIN# MLHNC515-L5600001 TO MLHNC515-L5699999
- CRF250RLAAC (20) MOTORCYCLE, THA, VIN# MLHMD444-L5300001
- CRF250RLAC (20) MOTORCYCLE, THA, VIN# MLHMD440-L5300001
2019
- CBR300R5A (19) MOTORCYCLE, THA, VIN# MLHNC510-K5500001 TO MLHNC510-K5599999
- CBR300R5AC (19) MOTORCYCLE, THA, VIN# MLHNC511-K5500001 TO MLHNC511-K5599999
- CBR300RA5AC (19) MOTORCYCLE, THA, VIN# MLHNC515-K5500001 TO MLHNC515-K5599999
- CRF250RLAAC (19) MOTORCYCLE, THA, VIN# MLHMD444-K5200001 TO MLHMD444-K5299999
- CRF250RLAC (19) MOTORCYCLE, THA, VIN# MLHMD440-K5200001 TO MLHMD440-K5299999
2018
- CB300FAAC (18) MOTORCYCLE, THA, VIN# MLHNC525-J5100001
- CB300FAC (18) MOTORCYCLE, THA, VIN# MLHNC521-J5400001
- CBR300R5A (18) MOTORCYCLE, THA, VIN# MLHNC510-J5400001
- CBR300R5AC (18) MOTORCYCLE, THA, VIN# MLHNC511-J5400001
- CBR300RA5AC (18) MOTORCYCLE, THA, VIN# MLHNC515-J5400001
- CRF250RLAAC (18) MOTORCYCLE, THA, VIN# MLHMD445-J5100001
- CRF250RLAC (18) MOTORCYCLE, THA, VIN# MLHMD441-J5100001
2017
- CB300FAAC (17) MOTORCYCLE, THA, VIN# MLHNC525-H5000001 TO MLHNC525-H5099999
- CB300FAC (17) MOTORCYCLE, THA, VIN# MLHNC521-H5300001 TO MLHNC521-H5399999
- CBR300R5A (17) MOTORCYCLE, THA, VIN# MLHNC510-H5300001 TO MLHNC510-H5399999
- CBR300R5AC (17) MOTORCYCLE, THA, VIN# MLHNC511-H5300001 TO MLHNC511-H5399999
- CBR300RA5A (17) MOTORCYCLE, THA, VIN# MLHNC514-H5300001 TO MLHNC514-H5399999
- CBR300RA5AC (17) MOTORCYCLE, THA, VIN# MLHNC515-H5300001 TO MLHNC515-H5399999
- CRF250RLAAC (17) RALLY ABS, THA, VIN# MLHMD445-H5000001 TO MLHMD445-H5099999
- CRF250RLAC (17) RALLY, THA, VIN# MLHMD441-H5000001 TO MLHMD441-H5099999
2016
- CB300FAC (16) MOTORCYCLE, THA, VIN# MLHNC521-G5200001 TO MLHNC521-G5299999
- CBR300R4A (16) MOTORCYCLE, THA, VIN# MLHNC510-G5200001 TO MLHNC510-G5299999
- CBR300R4AC (16) MOTORCYCLE, THA, VIN# MLHNC511-G5200001 TO MLHNC511-G5299999
- CBR300RA (16) MOTORCYCLE, THA, VIN# MLHNC510-G5200001 TO MLHNC510-G5299999
- CBR300RA4A (16) MOTORCYCLE, THA, VIN# MLHNC514-G5200001 TO MLHNC514-G5299999
- CBR300RA4AC (16) MOTORCYCLE, THA, VIN# MLHNC515-G5200001 TO MLHNC515-G5299999
- CBR300RAA (16) MOTORCYCLE, THA, VIN# MLHNC514-G5200001 TO MLHNC514-G5299999
- CBR300RAAC (16) MOTORCYCLE, THA, VIN# MLHNC515-G5200001 TO MLHNC515-G5299999
- CBR300RAC (16) MOTORCYCLE, THA, VIN# MLHNC511-G5200001 TO MLHNC511-G5299999
2015
- CB300FAC (15) MOTORCYCLE, THA, VIN# MLHNC521-F5100001 TO MLHNC521-F5199999
- CBR300R2A (15) MOTORCYCLE, THA, VIN# MLHNC510-F5100001 TO MLHNC510-F5199999
- CBR300R3AC (15) MOTORCYCLE, THA, VIN# MLHNC511-F5100001 TO MLHNC511-F5199999
- CBR300R8A (15) MOTORCYCLE, THA, VIN# MLHNC510-F5100001 TO MLHNC510-F5199999
- CBR300R9AC (15) MOTORCYCLE, THA, VIN# MLHNC511-F5100001 TO MLHNC511-F5199999
- CBR300RA (15) MOTORCYCLE, THA, VIN# MLHNC510-F5100001 TO MLHNC510-F5199999
- CBR300RA2A (15) MOTORCYCLE, THA, VIN# MLHNC514-F5100001 TO MLHNC514-F5199999
- CBR300RA3AC (15) MOTORCYCLE, THA, VIN# MLHNC515-F5100001 TO MLHNC515-F5199999
- CBR300RA8A (15) MOTORCYCLE, THA, VIN# MLHNC514-F5100001 TO MLHNC514-F5199999
- CBR300RA9AC (15) MOTORCYCLE, THA, VIN# MLHNC515-F5100001 TO MLHNC515-F5199999
- CBR300RAA (15) MOTORCYCLE, THA, VIN# MLHNC514-F5100001 TO MLHNC514-F5199999
- CBR300RAAC (15) MOTORCYCLE, THA, VIN# MLHNC515-F5100001 TO MLHNC515-F5199999
- CBR300RAC (15) MOTORCYCLE, THA, VIN# MLHNC511-F5100001 TO MLHNC511-F5199999
- CBR500RA (15) MOTORCYCLE, THA, VIN# MLHPC446-F5200001
- CBR500RAA (15) MOTORCYCLE, THA, VIN# MLHPC445-F5200001
- CBR500RAAC (15) MOTORCYCLE, THA, VIN# MLHPC440-F5200001
- CBR500RAC (15) MOTORCYCLE, THA, VIN# MLHPC441-F5200001
2014
- CBR500R2AC (14) MOTORCYCLE, THA, VIN# MLHPC441-E5100001 TO MLHPC441-E5199999
- CBR500R3A (14) MOTORCYCLE, THA, VIN# MLHPC446-E5100001 TO MLHPC446-E5199999
- CBR500RA (14) MOTORCYCLE, THA, VIN# MLHPC446-E5100001 TO MLHPC446-E5199999
- CBR500RAA (14) MOTORCYCLE, THA, VIN# MLHPC445-E5100001 TO MLHPC445-E5199999
- CBR500RAAC (14) MOTORCYCLE, THA, VIN# MLHPC440-E5100001 TO MLHPC440-E5199999
- CBR500RAC (14) MOTORCYCLE, THA, VIN# MLHPC441-E5100001 TO MLHPC441-E5199999
2013
- CBR500R2AC (13) MOTORCYCLE, THA, VIN# MLHPC441-D5000001 TO MLHPC441-D5099999
- CBR500R3A (13) MOTORCYCLE, THA, VIN# MLHPC446-D5000001 TO MLHPC446-D5099999
- CBR500RA (13) MOTORCYCLE, THA, VIN# MLHPC446-D5000001 TO MLHPC446-D5099999
- CBR500RAA (13) MOTORCYCLE, THA, VIN# MLHPC445-D5000001 TO MLHPC445-D5099999
- CBR500RAAC (13) MOTORCYCLE, THA, VIN# MLHPC440-D5000001 TO MLHPC440-D5099999
- CBR500RAC (13) MOTORCYCLE, THA, VIN# MLHPC441-D5000001 TO MLHPC441-D5099999
- Honda CBR1000SP9AC (25) MOTORCYCLE, JPN, VIN# JH2SC821-SK400001 TO JH2SC821-SK499999 SHELTER
- Honda CBR1000SP2AC (23) MOTORCYCLE, JPN, VIN# JH2SC821-PK200001 SHELTER
- Honda CBR1000SP3AC (23) MOTORCYCLE, JPN, VIN# JH2SC821-PK200001 SHELTER
- Honda CBR1000SP2AC (22) MOTORCYCLE, JPN, VIN# JH2SC821-NK100001 TO JH2SC821-NK199999 SHELTER
- Honda CBR1000SP3AC (22) MOTORCYCLE, JPN, VIN# JH2SC821-NK100001 TO JH2SC821-NK199999 SHELTER
- Honda CBR300R5A (22) MOTORCYCLE, THA, VIN# MLHNC510-N5800001 SIDE COVER@REAR COWL
- Honda CBR300R5AC (22) MOTORCYCLE, THA, VIN# MLHNC511-N5800001 SIDE COVER@REAR COWL
- Honda CBR300RA5AC (22) MOTORCYCLE, THA, VIN# MLHNC515-N5800001 SIDE COVER@REAR COWL
- Honda CBR1000SP2AC (21) MOTORCYCLE, JPN, VIN# JH2SC821-MK000001 TO JH2SC821-MK099999 SHELTER
- Honda CBR1000SPAC (21) MOTORCYCLE, JPN, VIN# JH2SC821-MK000001 TO JH2SC821-MK099999 SHELTER
- Honda CBR300R5A (21) MOTORCYCLE, THA, VIN# MLHNC510-M5700001 TO MLHNC510-M5799999 SIDE COVER@REAR COWL
- Honda CBR300R5AC (21) MOTORCYCLE, THA, VIN# MLHNC511-M5700001 TO MLHNC511-M5799999 SIDE COVER@REAR COWL
- Honda CBR300RA5AC (21) MOTORCYCLE, THA, VIN# MLHNC515-M5700001 TO MLHNC515-M5799999 SIDE COVER@REAR COWL
- Honda CBR300R5A (20) MOTORCYCLE, THA, VIN# MLHNC510-L5600001 TO MLHNC510-L5699999 SIDE COVER@REAR COWL
- Honda CBR300R5AC (20) MOTORCYCLE, THA, VIN# MLHNC511-L5600001 TO MLHNC511-L5699999 SIDE COVER@REAR COWL
- Honda CBR300RA5AC (20) MOTORCYCLE, THA, VIN# MLHNC515-L5600001 TO MLHNC515-L5699999 SIDE COVER@REAR COWL
- Honda CRF250RLAAC (20) MOTORCYCLE, THA, VIN# MLHMD444-L5300001 MIDDLE COWL
- Honda CRF250RLAC (20) MOTORCYCLE, THA, VIN# MLHMD440-L5300001 MIDDLE COWL
- Honda CBR300R5A (19) MOTORCYCLE, THA, VIN# MLHNC510-K5500001 TO MLHNC510-K5599999 SIDE COVER@REAR COWL
- Honda CBR300R5AC (19) MOTORCYCLE, THA, VIN# MLHNC511-K5500001 TO MLHNC511-K5599999 SIDE COVER@REAR COWL
- Honda CBR300RA5AC (19) MOTORCYCLE, THA, VIN# MLHNC515-K5500001 TO MLHNC515-K5599999 SIDE COVER@REAR COWL
- Honda CRF250RLAAC (19) MOTORCYCLE, THA, VIN# MLHMD444-K5200001 TO MLHMD444-K5299999 MIDDLE COWL
- Honda CRF250RLAC (19) MOTORCYCLE, THA, VIN# MLHMD440-K5200001 TO MLHMD440-K5299999 MIDDLE COWL
- Honda CB300FAAC (18) MOTORCYCLE, THA, VIN# MLHNC525-J5100001 SIDE COVER@REAR COWL
- Honda CB300FAC (18) MOTORCYCLE, THA, VIN# MLHNC521-J5400001 SIDE COVER@REAR COWL
- Honda CBR300R5A (18) MOTORCYCLE, THA, VIN# MLHNC510-J5400001 SIDE COVER@REAR COWL
- Honda CBR300R5AC (18) MOTORCYCLE, THA, VIN# MLHNC511-J5400001 SIDE COVER@REAR COWL
- Honda CBR300RA5AC (18) MOTORCYCLE, THA, VIN# MLHNC515-J5400001 SIDE COVER@REAR COWL
- Honda CRF250RLAAC (18) MOTORCYCLE, THA, VIN# MLHMD445-J5100001 MIDDLE COWL
- Honda CRF250RLAC (18) MOTORCYCLE, THA, VIN# MLHMD441-J5100001 MIDDLE COWL
- Honda CB300FAAC (17) MOTORCYCLE, THA, VIN# MLHNC525-H5000001 TO MLHNC525-H5099999 SIDE COVER@REAR COWL
- Honda CB300FAC (17) MOTORCYCLE, THA, VIN# MLHNC521-H5300001 TO MLHNC521-H5399999 SIDE COVER@REAR COWL
- Honda CBR300R5A (17) MOTORCYCLE, THA, VIN# MLHNC510-H5300001 TO MLHNC510-H5399999 SIDE COVER@REAR COWL
- Honda CBR300R5AC (17) MOTORCYCLE, THA, VIN# MLHNC511-H5300001 TO MLHNC511-H5399999 SIDE COVER@REAR COWL
- Honda CBR300RA5A (17) MOTORCYCLE, THA, VIN# MLHNC514-H5300001 TO MLHNC514-H5399999 SIDE COVER@REAR COWL
- Honda CBR300RA5AC (17) MOTORCYCLE, THA, VIN# MLHNC515-H5300001 TO MLHNC515-H5399999 SIDE COVER@REAR COWL
- Honda CRF250RLAAC (17) RALLY ABS, THA, VIN# MLHMD445-H5000001 TO MLHMD445-H5099999 MIDDLE COWL
- Honda CRF250RLAC (17) RALLY, THA, VIN# MLHMD441-H5000001 TO MLHMD441-H5099999 MIDDLE COWL
- Honda CB300FAC (16) MOTORCYCLE, THA, VIN# MLHNC521-G5200001 TO MLHNC521-G5299999 SIDE COVER@REAR COWL
- Honda CBR300R4A (16) MOTORCYCLE, THA, VIN# MLHNC510-G5200001 TO MLHNC510-G5299999 SIDE COVER@REAR COWL
- Honda CBR300R4AC (16) MOTORCYCLE, THA, VIN# MLHNC511-G5200001 TO MLHNC511-G5299999 SIDE COVER@REAR COWL
- Honda CBR300RA (16) MOTORCYCLE, THA, VIN# MLHNC510-G5200001 TO MLHNC510-G5299999 SIDE COVER@REAR COWL
- Honda CBR300RA4A (16) MOTORCYCLE, THA, VIN# MLHNC514-G5200001 TO MLHNC514-G5299999 SIDE COVER@REAR COWL
- Honda CBR300RA4AC (16) MOTORCYCLE, THA, VIN# MLHNC515-G5200001 TO MLHNC515-G5299999 SIDE COVER@REAR COWL
- Honda CBR300RAA (16) MOTORCYCLE, THA, VIN# MLHNC514-G5200001 TO MLHNC514-G5299999 SIDE COVER@REAR COWL
- Honda CBR300RAAC (16) MOTORCYCLE, THA, VIN# MLHNC515-G5200001 TO MLHNC515-G5299999 SIDE COVER@REAR COWL
- Honda CBR300RAC (16) MOTORCYCLE, THA, VIN# MLHNC511-G5200001 TO MLHNC511-G5299999 SIDE COVER@REAR COWL
- Honda CB300FAC (15) MOTORCYCLE, THA, VIN# MLHNC521-F5100001 TO MLHNC521-F5199999 SIDE COVER@REAR COWL
- Honda CBR300R2A (15) MOTORCYCLE, THA, VIN# MLHNC510-F5100001 TO MLHNC510-F5199999 SIDE COVER@REAR COWL
- Honda CBR300R3AC (15) MOTORCYCLE, THA, VIN# MLHNC511-F5100001 TO MLHNC511-F5199999 SIDE COVER@REAR COWL
- Honda CBR300R8A (15) MOTORCYCLE, THA, VIN# MLHNC510-F5100001 TO MLHNC510-F5199999 SIDE COVER@REAR COWL
- Honda CBR300R9AC (15) MOTORCYCLE, THA, VIN# MLHNC511-F5100001 TO MLHNC511-F5199999 SIDE COVER@REAR COWL
- Honda CBR300RA (15) MOTORCYCLE, THA, VIN# MLHNC510-F5100001 TO MLHNC510-F5199999 SIDE COVER@REAR COWL
- Honda CBR300RA2A (15) MOTORCYCLE, THA, VIN# MLHNC514-F5100001 TO MLHNC514-F5199999 SIDE COVER@REAR COWL
- Honda CBR300RA3AC (15) MOTORCYCLE, THA, VIN# MLHNC515-F5100001 TO MLHNC515-F5199999 SIDE COVER@REAR COWL
- Honda CBR300RA8A (15) MOTORCYCLE, THA, VIN# MLHNC514-F5100001 TO MLHNC514-F5199999 SIDE COVER@REAR COWL
- Honda CBR300RA9AC (15) MOTORCYCLE, THA, VIN# MLHNC515-F5100001 TO MLHNC515-F5199999 SIDE COVER@REAR COWL
- Honda CBR300RAA (15) MOTORCYCLE, THA, VIN# MLHNC514-F5100001 TO MLHNC514-F5199999 SIDE COVER@REAR COWL
- Honda CBR300RAAC (15) MOTORCYCLE, THA, VIN# MLHNC515-F5100001 TO MLHNC515-F5199999 SIDE COVER@REAR COWL
- Honda CBR300RAC (15) MOTORCYCLE, THA, VIN# MLHNC511-F5100001 TO MLHNC511-F5199999 SIDE COVER@REAR COWL
- Honda CBR500RA (15) MOTORCYCLE, THA, VIN# MLHPC446-F5200001 MIDDLE COWL
- Honda CBR500RAA (15) MOTORCYCLE, THA, VIN# MLHPC445-F5200001 MIDDLE COWL
- Honda CBR500RAAC (15) MOTORCYCLE, THA, VIN# MLHPC440-F5200001 MIDDLE COWL
- Honda CBR500RAC (15) MOTORCYCLE, THA, VIN# MLHPC441-F5200001 MIDDLE COWL
- Honda CBR500R2AC (14) MOTORCYCLE, THA, VIN# MLHPC441-E5100001 TO MLHPC441-E5199999 MIDDLE COWL
- Honda CBR500R3A (14) MOTORCYCLE, THA, VIN# MLHPC446-E5100001 TO MLHPC446-E5199999 MIDDLE COWL
- Honda CBR500RA (14) MOTORCYCLE, THA, VIN# MLHPC446-E5100001 TO MLHPC446-E5199999 MIDDLE COWL
- Honda CBR500RAA (14) MOTORCYCLE, THA, VIN# MLHPC445-E5100001 TO MLHPC445-E5199999 MIDDLE COWL
- Honda CBR500RAAC (14) MOTORCYCLE, THA, VIN# MLHPC440-E5100001 TO MLHPC440-E5199999 MIDDLE COWL
- Honda CBR500RAC (14) MOTORCYCLE, THA, VIN# MLHPC441-E5100001 TO MLHPC441-E5199999 MIDDLE COWL
- Honda CBR500R2AC (13) MOTORCYCLE, THA, VIN# MLHPC441-D5000001 TO MLHPC441-D5099999 MIDDLE COWL
- Honda CBR500R3A (13) MOTORCYCLE, THA, VIN# MLHPC446-D5000001 TO MLHPC446-D5099999 MIDDLE COWL
- Honda CBR500RA (13) MOTORCYCLE, THA, VIN# MLHPC446-D5000001 TO MLHPC446-D5099999 MIDDLE COWL
- Honda CBR500RAA (13) MOTORCYCLE, THA, VIN# MLHPC445-D5000001 TO MLHPC445-D5099999 MIDDLE COWL
- Honda CBR500RAAC (13) MOTORCYCLE, THA, VIN# MLHPC440-D5000001 TO MLHPC440-D5099999 MIDDLE COWL
- Honda CBR500RAC (13) MOTORCYCLE, THA, VIN# MLHPC441-D5000001 TO MLHPC441-D5099999 MIDDLE COWL
Part Details
| Brand | Honda |
| Sku | 17581-MGZ-J00 |
| Name | FASTENER B, DUAL LOCK (20X30) |
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