Make sure this part fits

Buick 15016745 Relay

2004-2007 Buick Rainier

Customer Questions & Expert Answers (3)
15016745 GM Relay Product Photo 1 of 3
  • Part Description
    Relay, Headlamp
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number15016745
    Part DescriptionRelay; Relay, Headlamp
    Item Dimensions1.9 x 1.4 x 0.7 inches
    Item Weight0.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU15016745
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2004-2007 Buick Rainier6 Cyl 4.2L, 8 Cyl 5.3L4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 15016745 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be done if the Relay fails any of the tests for the 2009 Chevrolet Express? Posted by Erc W.
    A:
    If the relay fails any of these tests, it should be replaced. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Nov 18, 2025
    Q:
    How do Relays work for the 2010 Chevrolet Silverado? Posted by Saliou K.
    A:
    Relays use a low-current control circuit to open and close a high-current power circuit. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Syed / Dec 19, 2023

Genuine GM Part 15016745, the Right Choice

To ensure reliability, purchase GM part # 15016745 Relay. It is sometimes referred to as Buick Relay, Buick Daytime Running Light Relay. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Buick Rainier models.

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