1997-1999 Cadillac Deville Headlight Pair

Part Details

  • Quantity: Pair

This part replaces:

  • OE # 16526199,16526200
  • PARTSLINK GM2503165, GM2502165

  • New


  • Includes LH driver side and RH passenger Side
  • Plastic lens
  • Includes lens, housing, and mounting panel
  • Does not include bulbs or wiring
Fit guaranteed
  • This pair of headlamps will install just as your originals do. You can use your existing hardware and wiring harnesses.
  • Save time and money with a direct fit. No trips to the hardware store or extra time trying to get the wiring to hookup.
  • 1A Auto has the most comprehensive warranty.
  • If this headlight set should fail to provide satisfactory performance you may exchange it.
  • 1A Auto Headlights are guaranteed to pass inspections in all 50 states. DOT (U.S. Dept. of Transportation) and SAE (Society of Automotive Engineers) approved.
  • See a brief YouTube video on the production and quality testing of our lighting products.
  • Value
    • Replacing discolored, scratched, dull or damaged headlights with a new pair from 1A Auto can increase your resale value by up to 10%.
    • A new pair of headlights can provide you with up to 50% more illumination than a dull, yellowed, sandblasted, broken or scratched headlight.
      • 1A Auto headlights can help you see farther at night and in poor driving conditions.
      • A new pair of headlights from 1A Auto can make you more visible to other traffic during heavy rain or wintry weather.

    Lifetime Warranty

    Effective June 23, 2014: This item is backed by a manufacturer's Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

    Bulb Note:

    These lights do not include bulbs. Occasionally lighting manufacturers do leave test bulbs in the lights. If you happen to receive a lighting product (Headlight, Tail light, Parking light, Fog light etc.) that comes with the bulbs, the bulbs are not covered under our warranty. Our warranty applies only to the light assembly.

    1. Remove the headlight assembly
      • Unbolt the parking light using a 7 mm socket and extension and ratchet or an A8 star bit.
      • Pull out the parking light assembly and unplug the bulbs and wiring harness.
      • Remove the two nuts and two bolts anchoring the headlight assembly using your 10 mm socket, ratchet and extensions.
      • Pull the headlight assembly out and unplug the wiring harness and bulbs.
      • Swap the wiring harness over to the new head light assembly.
    2. Install the Headlight assembly
      • Plug in the wiring harness back in.
      • Bolt in the headlight assembly using your 10 mm socket and ratchet and extensions.
      • Plug in the parking light wiring harness.
      • Bolt the parking light assembly into place using your 7mm socket and ratchet or A8 star bit.
    3. Aim your headlights.
      • Use a Phillips screwdriver to aim the headlights.
      • The concentration of the low beam should be an inch below the height of the bulb at 20ft away.
      • The concentration of the high beam should be level with the height of the bulb at 20ft away.

    How-to Video:

    (08:40 min)

    Tools List:

      Ratchets & Related

    • Ratchet
    • Socket Extensions

    • Sockets - Metric

    • 10mm Socket
    • 7mm Socket

    • Torx Drivers & Sockets

    • E8 Inverted Torx Socket

    This part replaces:

    • OE # 16526199,16526200
    • PARTSLINK GM2503165, GM2502165

    Vehicle Fit

    • 1997-1999 Cadillac Deville Headlight Pair
    Save 42%
    List: $291.40 Save: $120.95
    Part #: 1ALHP00050

    - Ships Same Day for orders placed by 5 P.M. ET


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    "Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
    - Dwuan M.
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