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​​13500120 Relay Set of 2-4 Pin 12V SPDT Automotive Relay OEM 15-51279 Compatible for Buick, Chevrolet, Cadillac, GMC Acadia (Fans, Accessories Control)​

​​13500120 Relay Set of 2-4 Pin 12V SPDT Automotive Relay OEM 15-51279 Compatible for Buick, Chevrolet, Cadillac, GMC Acadia (Fans, Accessories Control)​

$12.99

Confirm quantity, package contents, selected variation, current offer details, and store terms before placing the order.

  • OEM Replacement​​: Direct replacement for GM part #13500120 / 15-51279, ensuring 100% compatibility with Buick, Cadillac, Chevrolet, and GMC vehicles.
  • Precision Fit for GM Models​​: Specifically engineered for Buick Regal/Allure/Cascada, Cadillac XT5, Chevrolet Malibu/Impala/Trax, GMC Acadia (2009-2023).
  • Reliable 12V High-Current Switching​​: Handles up to 20A loads for critical systems like cooling fans, headlights, and accessory circuits.
  • Plug-and-Play Installation​​: 4-pin socket design enables tool-free replacement in under 5 minutes—no wiring modifications needed.
  • Value Pack of 2​​: Includes two relays for backup or multi-component replacement, saving cost vs. single-unit purchases.

Before you order
  • Confirm the part number, position, dimensions, and connector details shown on this page.
  • Compare the listing with the part currently installed on your vehicle.
SKU: D-B0FBSB9FFL Category:

Description

Brand: Casalytics
  • Package Dimensions
    ‏
    :
    ‎
     2.75 x 1.57 x 1.57 inches; 0.96 ounces
  • Date First Available
    ‏
    :
    ‎
     June 3, 2025
  • Manufacturer
    ‏
    :
    ‎
     Casalytics
  • ASIN
    ‏
    :
    ‎
     B0FBSB9FFL
  • Best Sellers Rank: #417,367 in Automotive (See Top 100 in Automotive)
    • #792 in Automotive Replacement Accessory Power Relays

OEM-Compatible 13500120 4-Pin Relay Set restores factory performance for GM vehicle electrical systems.

Vehicle Compatibility:
For Buick: Allure (2005-2009), Cascada (2016-2019), Regal (2009-2020)
For Cadillac: XT5 (2017-2023)
For Chevrolet: Impala (2014-2020), Malibu (2016-2023), Trax (2013-2022)
For GMC: Acadia (2017-2023)

Technical Specifications:
OEM Part Numbers: 13500120, 15-51279
Type: SPDT (Single Pole Double Throw)
Voltage: 12VDC
Contact Rating: 20A
Terminal Pins: 4
Color: Gray
Temperature Range: -40°C to 85°C

Primary Applications:
Engine cooling fan control modules
Headlight and fog light circuits
Aftermarket accessory power systems
HVAC blower motor relays

Installation Note: Locate factory relay box in engine bay, match pin orientation, press firmly until seated

Package Contents: 2 x 13500120 Relays

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Product facts

Specifications

Canonical product
MP-US-B0FBSB9FFL
Source product ID
B0FBSB9FFL
Category
Replacement Parts / Switches & Relays / Relays / Accessory Power
Available images
5
Referenced part numbers
15-51279

Vehicle information

Available fitment details

Listing compatibility notes

  • Precision Fit for GM Models​​: Specifically engineered for Buick Regal/Allure/Cascada, Cadillac XT5, Chevrolet Malibu/Impala/Trax, GMC Acadia (2009-2023).

Fitment data is provided as a buying aid. Verify the listing against your vehicle and existing part before ordering.

Exact identity, part numbers, model references, and available compatibility evidence

Buying guidance

Quick decision

An identity-first accessory power listing organized around stable product references and available compatibility evidence.

Fit and size notes

  • Verify the referenced part number: 15-51279.
  • Match the complete identifier, side, position, connector, dimensions, and visible design with the existing part.
  • Treat uncertain vehicle notes as a buying aid, not as a confirmed fitment guarantee.

Specification notes

  • Canonical product: MP-US-B0FBSB9FFL
  • Source product ID: B0FBSB9FFL
  • Category: Replacement Parts / Switches & Relays / Relays / Accessory Power
  • Available images: 5
  • Referenced part numbers: ['15-51279']

Before you buy

  • Verify the referenced part number: 15-51279.
  • Match the complete identifier, side, position, connector, dimensions, and visible design with the existing part.
  • Treat uncertain vehicle notes as a buying aid, not as a confirmed fitment guarantee.

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