OEM Honda Relay Micro Iso 4P 38503-MCA-A61 GL1800 TRX420 Talon TRX520 Pioneer

$4.99

Checkout on eBay, covered by eBay’s Money Back Guarantee. Price as of October 22, 2026.

Part number

38503-MCA-A61

Condition

See the eBay listing

Brand

Original Honda part

Models in listing

GL1800, TRX420, TRX520, Pioneer, Talon

Sold by

VHR, an independent seller, through eBay

eBay item

317367327626

38503 says what the part is, MCA is the model code it was designed under, and A61 is the revision. Honda shares parts across models, so match the full number against your bike’s parts fiche to be sure it fits. How to read a Honda part number →