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Philips D3S 42403C1 OEM Standard HID Xenon Headlight Bulb w/ COA | Pack of 1

SKU: 42403C1
D3S: Philips 42302C1 OEM Standard HID Xenon Bulb w/ COA Label | Pack of 1 - HID CONCEPT
Philips 42403C1 technical specs 35W 42V PK32d-5 on metal base
Single Philips D3S 42403C1 replacement for Audi and Land Rover
Original 4300K factory white light output from Philips D3S bulb
Unboxing a genuine Philips D3S 42403C1 OEM standard bulb
D3S Philips 42403C1 4300K xenon bulb with security COA label
Philips 42403C1 D3S packaging showing single pack carton
Comparison of fake vs genuine Philips D3S 42403C1 security sticker
D3S: Philips 42302C1 OEM Standard HID Xenon Bulb w/ COA Label | Pack of 1 - HID CONCEPT
Philips 42403C1 technical specs 35W 42V PK32d-5 on metal base
Single Philips D3S 42403C1 replacement for Audi and Land Rover
Original 4300K factory white light output from Philips D3S bulb
Unboxing a genuine Philips D3S 42403C1 OEM standard bulb
D3S Philips 42403C1 4300K xenon bulb with security COA label
Philips 42403C1 D3S packaging showing single pack carton
Comparison of fake vs genuine Philips D3S 42403C1 security sticker

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Philips D3S 42403C1 OEM Standard HID Xenon Headlight Bulb w/ COA | Pack of 1

Restore Factory-Standard Performance and Optical Clarity with a Genuine Philips OEM HID Xenon Replacement

Restore your vehicle’s original factory lighting performance with the genuine Philips D3S 42403C1 Standard OEM HID Xenon Headlight Bulb, available as a single replacement unit. Precision-engineered for D3S projector-type headlight systems, this OEM-grade HID bulb operates on a 42V AC xenon discharge system with 35W power consumption, delivering stable and consistent illumination designed to match factory specifications.It produces a nominal 3200 lumens of light output, restoring proper downroad visibility and optical clarity without increasing electrical load or modifying factory wiring. With a color temperature of up to 4300K, it delivers a natural white light designed to replicate original OEM xenon appearance and driving visibility balance.Backed by Philips’ global manufacturing standards and verified through its security label authentication system (commonly referred to as COA in the aftermarket industry), this bulb provides a reliable plug-and-play replacement solution for a single failed or dimming factory HID bulb.

Key Features & Benefits

  • Up to 4300K OEM White Color Temperature : Produces a natural white xenon output with a color temperature of up to 4300K, closely matching factory-installed HID lighting for balanced visibility in various driving conditions.
  • 3200 Lumens Regulated Output : Provides a consistent 3200-lumen output, engineered to restore original downroad illumination and peripheral visibility without altering stock electrical systems.
  • OEM Replacement Quality : Designed as a direct replacement bulb for factory-installed D3S HID systems, delivering reliable performance consistent with automotive manufacturer standards.
  • Philips Authenticity Verification System (COA / Security Label): Each bulb is verified through Philips’ packaging security system, featuring a traceable authentication code and label designed to help confirm product authenticity and reduce counterfeit risk.
  • Mercury-Free HID Technology: Built on a modern mercury-free D3S xenon platform, contributing to environmentally compliant HID lighting technology while maintaining OEM performance standards.

What is "COA?"
Unless you purchase Philips HID bulbs from an authorized reseller such as HID Concept, identifying genuine versus counterfeit products can be difficult. To help consumers verify authenticity, Philips introduced the COA (Certificate of Authenticity) security label on its HID Xenon bulb packaging. Depending on the packaging version, the COA may include a hologram, security code, or QR code that can be used through Philips’ verification system to help confirm that the Philips HID Xenon bulb is a genuine Philips product.

Compatible Manufacturer Part Number

Audi: N10721806 N10721805 (Replaces N 10721801; N10-721-805; N10721801; N10721806)
Ford Lincoln: 7L7Z-13N021-A
Hyundai: 18647-35010
Jaguar: C2D5254
Land Rover: LR009163
Mopar Chrysler/Dodge/Jeep/Ram: L0000D3S (L000 0D3S-001)
GM Buick/Cadillac/Chevrolet/GMC: 13587843
Porsche: 999-631-070-90, 958-631-218-00
Volkswagen : N-107-218-06(Replaces N-107-218-01, N-107-218-05)
Volvo: 31290593



Technical Specs

Size D3S
Base PK32d-5
Technology HID (Xenon)
Color temp. (K) Up to 4300K
Lumens (lm) 3200lm ±15%
Voltage 42V
Wattage 35W
Manufacturer part number (MPN) 42403C1



HIDCONCEPT.COM ships worldwide using UPS, DHL, & USPS within 24-48 hours during the business days.

For International customers:

Please be aware that your country may charge you customs duties, taxes, and brokerage fees on importing goods on certain products. We are not responsible for any customs or duty taxes that your country’s government agency may charge on your merchandise. We advise you to consult your local government import office with any questions.

Return

We will accept returns for a refund or exchange on products in NEW/ unopened condition with the UNOPENED original package within 30 days of delivery. All returns without an exchange are subject to a 15% restocking fee without exception. The customer would be responsible for return shipping unless the reason for the return was our mistake which we will send you the pre-paid shipping label for. Your original shipping cost will be deducted from the refundable amount if you use the promotional free shipping code. All refunds must be issued back to the original payment method. We will NOT be able to process your return if your RMA number is not included with your product. Please allow 2-3 business days for us to process the return upon receipt.

We reserve the right to deny/ refuse the return if your return does not meet the criteria stated above.

Exchange

Product may be exchanged if they are in NEW/ unopened condition with the UNOPENED original package within 30 days of delivery. Customer is responsible for shipping cost to and from our warehouse unless exchange is required by our mistake which we will cover all the shipping costs. You will not be able to re-use any promotional free shipping code if you have already used them on your original purchase.

Refund

Please allow 2-3 business days for us to process your refund once we receive your returned product. We will not issue the refund if your returned product does not meet the criteria we have stated on our return policy. Please note that there is a 15% restocking fee unless you are returning your product for an exchange.

Questions & Answers

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  • Why are Philips D3S 42302 bulbs significantly higher priced than D3S 42403 bulbs? Are they both approved for the same application?

    The bulbs are the same. However, COA has the hologram mark and is distributed through USA. It's a consumer packaging, and as with everything in the USA, it is significantly higher in price. The other package is a bulk purchased package which the manufactuers and/or the car makers buy in high quantity. It does not have the COA sticker, but because of the larger volume, the discount is quite significant. HID Concept's purchase power makes it possible for us to bring this bulb to our customers.

    For any other questions, please write to hidconcept.com

  • Will this bulb fit a 2014 GMC Acadia Denali?

    That would depend on your headlight trims. If you have the HID headlight trim, D3S is the correct size.
    For any other questions, please write to info@hidconcept.com

  • will this bulb fit my 2015 Chev. Impala LTZ

    D3S is the correct size for the 2015 Chevy Impala LTZ equipped with HID Xenon headlights. 2015 Impala also had halogen headlight trim, and if that is the case the halogen size is 9012.
    For any other questions, please write to info@hidconcept.com

  • Will this fit my 2014 audi a4 quattro premium plus s line?

    D3S is the correct size for the 2014 Audi A4 Quattro Premiuon Plus equipped with Bi-xenon headlight trims.
    For any other questions, please write to info@hidconcept.com

  • Will this fit My 2017 Camaro SS?

    If you have the HID headlight trim for your 2017 Chevy Camaro SS, D3S is the correct size. FYI: The same model also has the halogen headlight trim.
    For any other questions, please write to info@hidconcept.com

  • Will this fit my 2014 Chevy Impala ltz

    That would depend on your headlight trim level.
    If you have the HID headlights, D3S is the correct size. However, the 2014 Impala also has halogen headlights, and the halogen headlight size you need is 9012. 
    For any other questions, please write to info@hidconcept.com