Starter & Relay Replacement for Honda TRX450ER 2006-2014 - Direct Fit

In this review the reviewer evaluates the Starter & Relay Replacement for Honda TRX450ER 2006-2014 and who benefits most from it. The bottom line: this kit is for owners who need a direct, affordable replacement for a worn starter assembly and want a quick swap that restores starting reliability. It replaces OE part 31200-HP1-601 and several interchange numbers, and arrives as a paired kit with both the 12V PMDD starter and a starter relay, so the main reason to buy is straightforward compatibility and immediate usability for the TRX450ER models.

Key Features

• Direct compatibility: Fits Honda TRX450ER 2006-2014, which simplifies parts matching for that model range.
• Complete kit: Ships with 1x starter motor and 1x starter relay so you can replace both items in one job and avoid a second trip to the shop.
• PMDD starter type: Permanent magnet direct drive design gives a compact unit that is easy to install and suitable for the TRX450ER electrical system.
• Clear interchange numbers: Replaces OE 31200-HP1-601 and many aftermarket numbers so users can confirm fit against existing parts listings.
• Standard electrical specs: 12V, clockwise rotation, 10 teeth, which matches factory starter parameters for straightforward replacement.

Who It's For

This replacement starter and relay kit is aimed at TRX450ER owners from model years 2006 through 2014 who need a direct replacement that bolts in and gets the machine running again without modification. It is a good option for home mechanics and ATV shops that want a cost-effective assembly that includes the relay to reduce troubleshooting time.

Those who should look elsewhere include owners of earlier or different TRX450 variants listed in the product notes (for example TRX450S/ES 1998-2001 or TRX450FM/FE 2002-2004) who must choose the alternate model, and riders who require OEM-grade long-term durability and extended warranty coverage may prefer an OEM unit.

Pros & Cons

Pros

• Good fit and straightforward installation for TRX450ER 2006-2014 based on the matching part numbers and form factor.
• Includes both starter motor and starter relay so one purchase completes the repair and saves time.
• Customers report ease of installation and solid initial functionality, making it good value for money.

Cons

• Quality and long-term durability receive mixed feedback compared with OEM parts, with isolated reports of permanent magnet issues.
• Not intended for other TRX450 variants unless the alternate model is selected, so buyers must double-check fitment.

Specifications

Our Verdict

For TRX450ER owners from 2006 to 2014 who need a practical, lower-cost replacement that arrives ready to install, this starter and relay kit is a sensible choice. It matches the key electrical and mechanical specs of the original part and comes with the relay to finish the job, offering clear value for those who prioritize fit and immediate function over OEM longevity guarantees.

Frequently Asked Questions

Will this fit my TRX450ER?
Yes, it is specified for Honda TRX450ER model years 2006 through 2014; confirm your original part number matches 31200-HP1-601 or the listed interchange numbers.

What comes in the package?
The kit includes one starter motor and one starter relay so both components can be replaced together.

Are there known durability concerns?
Some users report mixed long-term durability compared with OEM units, including occasional magnet issues, so expect good initial function but monitor for wear over time.