Description
Comparison points and tradeoffs
When comparing 13500120 Relay Set of 2-4 Pin 12V SPDT Automotive Relay OEM 15-51279 Compatible for Buick, Chevrolet, Cadillac, GMC Acadia (Fans, Accessories Control) with other Accessory Power options, use this source-backed detail as the primary discriminator: Plug-and-Play Installation: 4-pin socket design enables tool-free replacement in under 5 minutes—no wiring modifications needed.
Use this second fact to evaluate the tradeoff: Package Dimensions : 2.75 x 1.57 x 1.57 inches; 0.96 ounces. A third point to compare across alternatives is: OEM-Compatible 13500120 4-Pin Relay Set restores factory performance for GM vehicle electrical systems.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
- 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
Source product highlights
- 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.
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