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1997 Infiniti Q45 Bulb Size Chart

Bulb sizes may vary by trim, factory lighting package, region, production date, and previous modifications. Verify the bulb number on your existing bulb before buying.

Last database update: May 2026. Manual review status: Not yet manually reviewed.

Verify before buying: check the bulb number printed on your existing bulb, confirm your trim and factory lighting package, and review the seller's fitment notes.
Disclosure: We may earn a commission from links marked Affiliate. Unmarked retailer links may be plain search links. Always verify bulb fitment before purchasing.

1997 Infiniti Q45 Bulb Size Chart

PositionBulb CodeAliasesTrim / PackageFactory TypeConfidenceReviewNotesShop
Low Beam9003HB2 / H4Standard listingHalogenHigh
Pending

Dual-beam bulb; verify factory housing and lighting package.

AmazoneBay
Side Marker1157A—Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Turn Signal Front1157A—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Brake Light921—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Tail Light7443CK—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Reverse Light7440—Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Turn Signal Rear7440—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
License Plate168—Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Parking Light1157A—Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
High Beam9003HB2 / H4Standard listingHalogenHigh
Pending

Dual-beam bulb; verify factory housing and lighting package.

AmazoneBay

1997 Infiniti Q45 Fitment Notes

Across the 1990-2006 production range, our database shows changes in the listed Turn Signal Front, Fog Light, High Beam positions. Use the chart above for this 1997 model, then confirm the bulb number in your vehicle before buying.

Known fitment limitations

  • factory HID or LED packages may use different parts
  • fog lights may depend on equipment package
  • aftermarket headlight assemblies may use different bulbs
  • regional models and production-date splits may differ

See an incorrect bulb size? Submit a correction.

How do the 1997 Infiniti Q45's bulbs compare to other years?

The 1997 Infiniti Q45 changed bulb sizes from 1996. The previous model year used a different configuration.

The 1998 model switched to a different bulb configuration.

This bulb configuration covers the 1997 model years. ← 1996 1998 →

Finding the best installation guide...

Other Q45 Years

2006200520042003200220012000199919981996199519941993199219911990

More from Infiniti

EX35EX37FX35FX37FX45FX50G20G25

Other Vehicles That Use 9003 / HB2 / H4 Bulbs

2023 Hyundai Venue2023 Kia Rio2022 Hyundai Accent2021 Toyota Tundra2020 Ford Figo2020 Honda Fit

Frequently Asked Questions

Our database lists 9003 for the 1997 Infiniti Q45 low beam headlights. Verify the bulb number on your existing bulb and confirm your trim or factory lighting package before buying.

Our database lists 9003 for the 1997 Infiniti Q45 high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 1997 Infiniti Q45 can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed 9003 size against the bulb in the housing before choosing a replacement or upgrade.

The 1997 Infiniti Q45 does not have a fog light bulb listed in our current database. If your vehicle has fog lights, verify the bulb in the housing or owner's manual before buying.

The 1997 Infiniti Q45 uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

LED upgrades are available for many 9003 applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as 9003 / HB2 / H4, and verify the factory housing before buying.

Yes — the 1997 Infiniti Q45 uses different bulb sizes than the 1996 model. The 1997 generation introduced this bulb configuration.

The 1997 Infiniti Q45 is the only year in the 1997 generation to use the 9003 bulb for the low beam headlight.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed 9003 low beam size on the existing bulb or owner's manual, then follow the service procedure for your exact trim.

Rules for LED headlight retrofits vary by location and by housing type. Avoid products that create glare or lack road-use compliance claims, and check local requirements before using an LED conversion on public roads.

Replacement cost depends on bulb technology, brand, and labor access. Common halogen 9003 replacements are usually cheaper than LED conversion kits. Check seller fitment notes before comparing prices.

Halogen bulbs and LED replacements differ in output, heat behavior, beam pattern, and electronics. A correct bulb code does not guarantee a correct LED beam pattern, so verify physical fit and seller compatibility notes for the 1997 Infiniti Q45.