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Important: IRS MODELS ONLY
Upgraded Lower Front Shock Bush
This upgraded lower front shock bush is not available separately from Honda and has been developed as a direct replacement solution for worn or damaged original bushes.
Fits:
Honda TRX420 IRS models (Independent Rear Suspension) from 2015 onwards
Honda TRX500 IRS models (Independent Rear Suspension) from 2015 onwards
Honda TRX520 IRS models (Independent Rear Suspension) from 2020 onwards
A cost-effective repair option without the need to replace the complete shock absorber assembly.
All Known Replacement/Substituted Part Numbers: Fits Shock No 51400-HR6-A71ZB, 51400-HR6-A61ZA, 51400-HR6-A71ZA
| YEAR | MODEL | MODEL NAME |
|---|---|---|
| TRX420 | ||
| 2015 | TRX420FA5F | TRX420F |
| 2015 | TRX420FA6F | TRX420F |
| 2016 | TRX420FA5G | TRX420F |
| 2016 | TRX420FA6G | TRX420F |
| 2017 | TRX420FA6H | TRX420F |
| 2018 | TRX420FA6J | TRX420F |
| 2019 | TRX420FA6K | TRX420 |
| 2020 | TRX420FA6L | TRX420 |
| 2021 | TRX420FA6M | TRX420 |
| 2022 | TRX420FA6N | TRX420 |
| 2023 | TRX420FA6P | TRX420 |
| 2024 | TRX420FA6R | TRX420 |
| 2025 | TRX420FA6S | TRX420 |
| TRX500 | ||
| 2015 | TRX500FA5F | TRX500FA |
| 2015 | TRX500FA6F | TRX500FA |
| 2015 | TRX500FM5F | TRX500FM |
| 2015 | TRX500FM6F | TRX500FM |
| 2016 | TRX500FA5G | TRX500FA |
| 2016 | TRX500FA6G | TRX500FA |
| 2016 | TRX500FA7G | TRX500FA |
| 2016 | TRX500FM5G | TRX500FM |
| 2016 | TRX500FM6G | TRX500FM |
| 2017 | TRX500FA5H | TRX500FA |
| 2017 | TRX500FA6H | TRX500FA |
| 2017 | TRX500FA7H | TRX500FA |
| 2017 | TRX500FM5H | TRX500FM |
| 2017 | TRX500FM6H | TRX500FM |
| 2018 | TRX500FA6J | TRX500FA |
| 2018 | TRX500FA7J | TRX500FA |
| 2018 | TRX500FM6J | TRX500FM |
| 2019 | TRX500FA6K | TRX500FA |
| 2019 | TRX500FA7K | TRX500FA |
| 2019 | TRX500FM6K | TRX500FM |
| TRX520 | ||
| 2020 | TRX520FA6L | TRX520 |
| 2020 | TRX520FA7L | TRX520 |
| 2020 | TRX520FM6L | TRX520 |
| 2021 | TRX520FA6M | TRX520 |
| 2021 | TRX520FA7M | TRX520 |
| 2021 | TRX520FM6M | TRX520 |
| 2022 | TRX520FA6N | TRX520 |
| 2022 | TRX520FA7N | TRX520 |
| 2022 | TRX520FM6N | TRX520 |
| 2023 | TRX520FA6P | TRX520 |
| 2023 | TRX520FA7P | TRX520 |
| 2023 | TRX520FM6P | TRX520 |
| 2024 | TRX520FA6R | TRX520 |
| 2024 | TRX520FA7R | TRX520 |
| 2024 | TRX520FM6R | TRX520 |
| 2025 | TRX520FA6S | TRX520 |
| 2025 | TRX520FA7S | TRX520 |
| 2025 | TRX520FM6S | TRX520 |
Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm.
Parts showing as available at our Supplier Warehouse are ordered from our supplier and delivered to us before we can dispatch. More info is available on this page under "Stock Availability".
This website does not have access to live stock levels from our OEM Suppliers. In most cases the parts will be available but in the case of backordered parts we will notify you. We receive parts from Yamaha in 3-4 days, All others including Honda, Suzuki, Kawasaki, Polaris please allow 7-10 days for us to receive the parts.
1-2 Days using GLS/An Post
3-5 Days using GLS/Fedex
4-7 Days using GLS/Fedex
Parts That Fit
Easy to find and easy to confirm they fit your vehicle
Exceptional Product Knowledge.
We only sell tried and tested quality products.
Part Sourcing
We will find the parts you need. Email us today!
Competitive Pricing
Discount prices on parts. We offer bulk prices for Dealers.
Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm.
Parts showing as available at our Supplier Warehouse are ordered from our supplier and delivered to us before we can dispatch. More info is available on this page under "Stock Availability".
This website does not have access to live stock levels from our OEM Suppliers. In most cases the parts will be available but in the case of backordered parts we will notify you. We receive parts from Yamaha in 3-4 days, All others including Honda, Suzuki, Kawasaki, Polaris please allow 7-10 days for us to receive the parts.
1-2 Days using GLS/An Post
3-5 Days using GLS/Fedex
4-7 Days using GLS/Fedex



