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Clear xenon automotive bulb with PY20d base

Antique Light Bulb Co.

Antique Light Bulb Co. H10X 12V 42W Xenon Clear Automotive Bulb

SKU CH-4VA7-AYRD9

12 V 42 W xenon clear automotive bulb with PY20d base and 850 lumens for increased downroad visibility

  • Power rating42
  • Product typeAutomotive Bulbs
  • Brighter night driving with 850 lumens output
  • Xenon halogen design reduces glare for oncoming traffic
  • 42 watts at 12 volts for efficient power draw
  • PY20d base fits H10 and 9145 sockets directly
  • OEM-quality construction matches original equipment specifications

Direct-fit replacement for H10X fog lamps

This 12-volt xenon halogen bulb matches the OEM H10X part number and PY20d base, delivering 850 lumens at 42 watts. It is designed for drivers who need a straightforward swap for a dim or failed original fog light.

Confirm base type and voltage before fitting

Check that the vehicle calls for a PY20d base and a 12-volt system rated for 42 watts. The bulb also carries the 9145 industry reference, so verify that code against the owner’s manual or the old unit.

Xenon fill boosts downroad clarity without extra

The xenon gas fill increases visible output to 850 lumens while keeping the beam pattern clean. No wiring adapters, ballasts or software are included — just the single clear bulb ready for installation.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $5.99
Cheaper than about 90% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameBulbamerica
Product typeAutomotive Bulbs
Power
Power rating42

Questions about this item

Does the H10X 12V 42W xenon bulb come with any wiring or adapters, or is it just the bulb?

The listing covers the single H10X xenon clear halogen bulb with a PY20d base; no wiring harnesses, adapters or extra components are included.

Should I choose the H10X 42W version or a different wattage for my fog lights?

This model is offered only as a 12V 42W H10X (also referenced as 9145); select it when your vehicle calls for that exact wattage and base type.

What does the 850 lumen rating mean for actual night driving?

The 850 lumen output provides increased down-road visibility with no added glare compared with standard halogen bulbs of the same fitment.

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