VCSZKXLY Halogen Headlight Bulbs for Honda TRX420/TRX500 34901 HR3 A21 — 2-Pack 12V 35/35W High/Low Beam, CSP Aluminum

These VCSZKXLY 34901 HR3 A21 halogen replacement bulbs are a 2-pack of 12V 35/35W high/low beam lights designed to fit 2014–2020 Honda TRX420 and TRX500 models for brighter, longer-lasting illumination.

Replace worn or dim ATV headlight bulbs with a direct-fit option engineered to match common HR3/A21 sockets. VCSZKXLY-built units combine CSP light chips with a lightweight aviation-grade aluminum housing to improve lumen output and heat management while maintaining the original bulb footprint for straightforward installation. The pair comes with polarity-free plugs and a five-year manufacturer warranty, making them a practical swap for routine maintenance or an upgrade for off-road visibility.

Will these bulbs fit my 2014–2020 Honda TRX420 or TRX500?

Yes — these bulbs are specified for HR3/A21 (34901) sockets commonly used in the listed TRX model years. They are designed to match the original halogen dimensions so they fit standard housings without modification.

• Compatible models: Honda TRX420 and TRX500, model years 2014–2020
• Socket type: 34901 / HR3 / A21 standard base
• Form factor: compact halogen-size profile for 99% housing compatibility
• Installation: direct plug-and-play, polarity-free connection

How much brighter and more efficient are these than stock bulbs?

These VCSZKXLY bulbs use high-power CSP light chips to significantly increase visible output compared with many factory halogens. The manufacturer cites up to 300% brighter performance and an 80% reduction in power draw relative to older halogen designs, which can help preserve vehicle electrical load.

• Luminous output: up to 12,000 lumens per bulb (manufacturer specification)
• Power rating: 12V, 35/35W for high and low beams
• Efficiency: lower power consumption versus many original bulbs
• Benefit: improved on-trail visibility and reduced strain on electrical system

How durable are these bulbs and what does the warranty cover?

The bulbs are housed in aviation-grade aluminum with CSP technology to optimize heat dissipation, extending service life compared with standard halogen filaments. VCSZKXLY states an expected lifespan up to 50,000 hours and provides a five-year manufacturer warranty for defects or early failures under normal use.

• Housing: premium aviation aluminum for efficient heat sinking
• Rated life: up to 50,000 hours (manufacturer figure)
• Warranty: 5-year coverage from purchase date
• Support: manufacturer customer service for installation and claims

How easy is installation and will I need extra parts?

Installation is intended to be simple: the bulbs maintain the original halogen footprint and include polarity-free plugs for straightforward replacement. Most users can swap these bulbs using basic tools and minimal disassembly of the headlight housing; no external drivers or extra adapters are required for typical HR3/A21 setups.

• Plug type: polarity-free for simplified connection
• Fitment: designed for direct fit in standard housings
• Tools: basic hand tools usually sufficient for bulb replacement
• Extras: no separate drivers or converters needed for standard installations

Who this product is for: Riders who own a 2014–2020 Honda TRX420 or TRX500 and want a straightforward replacement or upgrade to their headlight bulbs will find this 2-pack practical. It suits ATV riders who value brighter illumination for dusk, dawn, or trail use, plus those who prefer a longer-life bulb with a clear warranty. Check your vehicle’s bulb type before ordering to confirm compatibility.