Transmission Component
The gear belongs to the transmission assembly and is listed as one required piece per assembly. Its catalog location identifies it as the first gear mounted in the countershaft gear arrangement.
Honda · Genuine OEM Part
Honda 23421-HL4-000 is a first countershaft gear for the transmission assembly. The part is shown within the transmission parts diagram and is listed as one required piece per assembly.
As a transmission gear, it engages with other gears on the countershaft and associated shafts to transmit power through the selected gear ratio. The exact Honda catalog description should be used when ordering or comparing this component with nearby transmission gears.
The gear belongs to the transmission assembly and is listed as one required piece per assembly. Its catalog location identifies it as the first gear mounted in the countershaft gear arrangement.
The Honda part number 23421-HL4-000 identifies this specific gear. Matching the complete number and Honda catalog description helps separate it from other countershaft and mainshaft gears with different tooth counts.
The first countershaft gear is one element of the transmission gear train. Honda’s parts catalog places it alongside the countershaft, mainshaft components, collars, washers, and additional transmission gears.
| Honda Part Number | 23421-HL4-000 |
|---|---|
| Honda Catalog Description | GEAR, COUNTERSHAFT FIRST (47T) |
| Part Type | Gear |
| Assembly | Transmission |
| Tooth count | 47 teeth |
| Quantity per assembly | 1 |
| Model | Type | Model Years |
|---|---|---|
| PIONEER 1000 (SXS1000M3) | ATV | 2016–2019 |
| PIONEER 1000 (SXS1000M3P) | ATV | 2020–2021 |
| PIONEER 1000 DELUXE (SXS1000M3D) | ATV | 2020–2021 |
| PIONEER 1000 EPS (SXS1000M3P) | ATV | 2016–2019 |
| PIONEER 1000 LIMITED EDITION (SXS1000M3L) | ATV | 2017–2019, 2021 |
| PIONEER 1000 SE (SXS1000M3L) | ATV | 2021 |
| PIONEER 1000-5 (SXS1000M5P) | ATV | 2016–2018, 2020–2021 |
| PIONEER 1000-5 DELUXE (SXS1000M5D) | ATV | 2016–2021 |
| PIONEER 1000-5 EPS (SXS1000M5P) | ATV | 2019 |
| PIONEER 1000-5 LIMITED EDITION (SXS1000M5L) | ATV | 2017–2021 |
| PIONEER 1000-5 SE (SXS1000M5L) | ATV | 2021 |
| TALON 1000R (SXS1000S2R) | ATV | 2019–2023 |
| TALON 1000R-4 FOX LIVE VALVE (SXS1000S4R) | ATV | 2023 |
| TALON 1000R FOX LIVE VALVE (SXS1000S2R) | ATV | 2019–2023 |
| TALON 1000RS (SXS1000S2R) | ATV | 2023 |
| TALON 1000R SE (SXS1000S2R) | ATV | 2019–2022 |
| TALON 1000RS FOX LIVE VALVE (SXS1000S2R) | ATV | 2023 |
| TALON 1000X (SXS1000S2X) | ATV | 2019–2023 |
| TALON 1000X-4 (SXS1000S4) | ATV | 2020 |
| TALON 1000X-4 (SXS1000S4X) | ATV | 2021–2023 |
| TALON 1000X-4 FOX LIVE VALVE (SXS1000S4D) | ATV | 2020 |
| TALON 1000X-4 FOX LIVE VALVE (SXS1000S4X) | ATV | 2021–2023 |
| TALON 1000X-4 SE (SXS1000S4X) | ATV | 2021–2023 |
| TALON 1000X FOX LIVE VALVE (SXS1000S2X) | ATV | 2019–2023 |
| TALON 1000XS (SXS1000S2X) | ATV | 2023 |
| TALON 1000XS-4 (SXS1000S4X) | ATV | 2021–2023 |
| TALON 1000XS-4 FOX LIVE VALVE (SXS1000S4X) | ATV | 2021–2023 |
| TALON 1000XS FOX LIVE VALVE (SXS1000S2X) | ATV | 2023 |
Model applications as listed in Honda's dealer parts catalog for part number 23421-HL4-000.
Verify the Honda OEM part number for your specific model before ordering.
Compatible motorcycles, ATVs & side-by-sides
Verify your vehicle's model, year and specific configuration before ordering.