"lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
Select your vehicle
Vehicle Info Required to Guarantee FitAdd Vehicle

Driver or Passenger Side Headlight Bulb, HB4 Bulb Type, Low Beam, Halogen

Tap image and pinch to zoom.
Manufacturer #REPC100401
Vehicle Info Required to Guarantee FitAdd Vehicle


Driver Or Passenger Side
Single C-8 filament for low beam
Quantity Sold:
Sold individually
Product Fit:
Direct Fit
Low Beam
Light Source:
Bulb Type:
HB4 Bulb Type
Recommended Use:
OE Replacement
1-year Replacement unlimited-mileage warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number:
Returns Policy:
60-Day Return Policy

Vehicle Fitment Information

Vehicle Name
Fitment Information
1987 BMW L6
6 Cyl 3.5L
For Models With Halogen Capsule Headlights
1987 Buick Electra
Estate Wagon
8 Cyl 5.0L
1987 Buick Electra
6 Cyl 3.8L
1987 Buick Electra
Park Avenue
6 Cyl 3.8L
1987 Buick Electra
6 Cyl 3.8L
Page 1 of 367 | Showing 1 - 5 of 1834 results

Product Information

Manufactured from top quality components, this is your best option and inexpensive replacement for your rebuild, repair, and maintenance needs - an OE replacement product for your damaged or aged factory part.

Replacement - the most affordable brand name for replacement parts that you need! Replacement is a professional brand for autobody, lighting parts, electrical, brake, suspension, intake and exhaust, and cooling and heating products. All Replacement brands include 1-year, unlimited-mileage warranty.

Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

Does my truck take only one bulb for low and high beam?Willie W.Sep 11, 2022
Best Answer:Hi Willie, thank you for reaching out. We are unable to answer your question accurately due to a lack of information. Kindly call our parts team at 1-866-529-0412 and tell us more about your vehicle.
Aldrin P.STAFFSep 11, 2022
Do i get the socket with tha bulb i need both ????Cecil K.Aug 10, 2023
Best Answer:Hi Cecil, I'm glad to assist you. You will get the headlight bulb as pictured. That is one whole assembly already. It does not include the female socket connector that would connect to the bulb. Grab our lowest price offer and click the link below to buy it today before stocks run out. Happy shopping! <a href="https://www.carparts.com/headlight-bulb/replacement/repc100401?can=cpje1043_CSQA_20230810" target="_blank">https://www.carparts.com/headlight-bulb/replacement/repc100401?can=cpje1043_CSQA_20230810</a>
Jeonino E.STAFFAug 10, 2023
Hello are the bulbs shown will they fit 2005 mdx acura? just curious because i paid 26.00 for one bulb  ?/Steven D.Mar 20, 2023
Best Answer:Hi Steven, I'm pleased to assist you. This bulb ( HB4) will fit the 2005 Acura MDX with single filament halogen headlights. If interested, click the link below to continue ordering at a discounted offer today, while supplies last. I hope this helps. Enjoy your CP shopping experience! <a href="https://www.carparts.com/headlight-bulb/replacement/repc100401?can=CPGG4850_CSQA_20230320" target="_blank">https://www.carparts.com/headlight-bulb/replacement/repc100401?can=CPGG4850_CSQA_20230320</a>
Grace G.STAFFMar 20, 2023
Will this fit a headlight of 2004 RAV4L? Thanks!Borntoshop8Mar 16, 2022
Best Answer:Hi Amy, I'm glad to help you out. No, it will not. You need to get 9003 type bulbs. Use the link below to see the set I recommend. Have a great one! <a href="https://www.carparts.com/details/Toyota/Tundra/Philips/Headlight_Bulb/2003/PLP9003XVB2.html?can=cpab2020_20220316" target="_blank">https://www.carparts.com/details/Toyota/Tundra/Philips/Headlight_Bulb/2003/PLP9003XVB2.html?can=cpab2020_20220316</a>
Andrew B.STAFFMar 17, 2022

Customer Reviews

Worked perfectly ✅
Steven M.
Purchased on Mar 29, 2023
The product was of very good quality but the shipping took to long. I was to get my order in 3 days but it was over a week. All the other times I have ordered the package came when they said it would but this one did not.
janice s.
Purchased on Aug 11, 2022
Works great loved the price and speedy delivery
Theron L.
Purchased on Jan 01, 2023