Front Differential Bearing Kit Honda TRX 500 IRS Fits TRX500FA 2015 2018 TRX500FE 2014 2018 TRX500FM IRS 2015 2018
Front Differential Bearing Kit Honda TRX 500 IRS Fits TRX500FA 2015 2018 TRX500FE 2014 2018 TRX500FM IRS 2015 2018 is backordered and will ship as soon as it is back in stock.
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This Front Differential Bearing Kit is designed to service the front differential on the TRX500 family (2014-2018 model years), including IRS and solid axle variants. Replacing worn bearings and seals restores quiet operation, reduces drivetrain play, and helps prevent oil leaks from the front differential. Built for rugged trails and farm work, it delivers reliable lubrication and long-lasting performance in challenging conditions.
Over time, front differential bearings and seals suffer from dirt, water intrusion, and heat, leading to increased backlash, gear noise, and potential failure. This aftermarket replacement kit provides robust bearings and Type TC seals with garter springs to seal out contaminants, making it a trustworthy choice for trail riding, field work, and maintenance shops.
Comprehensive Vehicle Fitment
| Manufacturer | Models / Series | Years / Details |
|---|---|---|
|
|
TRX500FA | 2015-2018 Front Differential Bearing Kit (IRS model range) |
|
|
TRX500FE | 2014-2018 Front Differential Bearing Kit (IRS) |
|
|
TRX500FM IRS | 2015-2018 Front Differential Bearing Kit (IRS) |
|
|
TRX500FM Solid Axle | 2014-2018 Front Differential Bearing Kit (Solid Axle variant) |
Fitment references drawn from aftermarket catalogs and retailer listings for the TRX500 family.
Product Specifications
| Attribute | Details |
|---|---|
| OEM Reference Part Numbers | OEM references vary by exact model and year; not published in a single listing for the full range. See fitment section for model-specific interchange guidance. |
| Type | Front Differential Bearing Kit (bearing kit for the front differential and seals) |
| Manufacturer | Aftermarket Replacement |
| Application | TRX500FA 2015-2018; TRX500FE 2014-2018; TRX500FM IRS 2015-2018; TRX500FM Solid Axle 2014-2018 |
| Material | High-speed bearings with Type TC rubber seals; inner lips with garter-spring design for enhanced sealing |
| Seal Design | Double-lip Type TC seals with garter-spring inner lips; rubber outer diameter for effective mud and water exclusion |
| Bearing Type | Combination of ball bearings and needle bearings as required by the front differential assembly (kit configured for front housing) |
| Dimensions | Model-dependent bore/outer diameters; kit comprises multiple bearings and seals sized to fit the front differential housing across listed TRX500 variants |
OEM & Aftermarket Cross-Reference Information
| Part Number | Brand / Type | Cross-Reference Notes |
|---|---|---|
| 25-2110-4 | All Balls Front Differential Bearing Kit | Front differential bearing kit for TRX500FM IRS 2015-2019; commonly used as an aftermarket cross-reference for Honda front-diff repair. |
| 25-2100-5 | All Balls Front Differential Seal Kit | Front differential seal kit (TRX420/TRX500 series); provides seals and related components for front-diff service. |
What's Included
This kit includes the essential bearings, seals, and hardware required to service the front differential in the listed TRX500 models:
- Front differential bearings
- TC rubber seals
- Snap rings
- O-rings
- Needle and/or ball bearings as required by the housing
Related components such as drive gears or pinion seals are not included.
Why Choose This Aftermarket Replacement?
- Direct-Fit Compatibility designed to match the front-diff geometry on listed TRX500 variants for reliable installation.
- OEM Cross-Reference Availability with trusted aftermarket references to simplify sourcing and reselection.
- Premium Bearing & Seal Materials engineered to resist dirt, water ingress, and heat buildup common in trail and farm conditions.
- Performance Restoration replaces worn bearings and seals that cause backlash, noise, and potential differential leaks.
- Cost-Effective Alternative to OEM replacements while delivering long service life in harsh environments.
- Trail- and Farm-Duty Ready built to withstand rugged use and provide dependable drivetrain performance.
Installation Notes:
- Drain and properly clean the front differential cavity before installation to prevent contamination.
- Inspect the differential housing for scoring or corrosion and address any wear before installing new bearings.
- Orient seals correctly with the inner garter-spring lip facing the lubricant to ensure proper sealing.
- Use new snap rings and O-rings to ensure a secure seal and reliable retention.
- Lubricate moving components with the specified differential oil and verify oil level after reassembly.
- Check for shaft play and differential backlash after installation and adjust as required per service manual guidance.
Why Upgrade?
Running a worn front differential bearing kit can lead to increased play, abnormal gear noise, and accelerated wear on the differential gears, risking leaks and sudden failures. This replacement restores drivetrain integrity, reduces noise, and helps preserve overall reliability for continued trail or farm use.
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