12177236 7236 Relay (Pack of 2) – 12VDC 40A 4-Pin SPST Automotive Relay – Compatible with General Motors Vehicles – Quick Connect Terminals | Repair and Installation Guide

Name: 12177236 7236 Relay (Pack of 2) - 12VDC 40A 4-Pin SPST Automotive Relay - Compatible with General Motors Vehicles - Quick Connect Terminals | Repair and Installation Guide
SKU: C-B0FNQWJL9L
Price: 16.99 USD
Availability: InStock

$16.99

SKU: C-B0FNQWJL9L Category: Accessory Power

Review this component in the context of the repair, installation access, nearby parts, and the result the job is intended to achieve.

40A High-Current Capacity: Rated for 40A at 12VDC, providing reliable switching for automotive applications including fuel pumps, cooling fans, and lighting systems.
Verified Vehicle Compatibility: Designed to replace OEM part number 12177236 (7236) in General Motors vehicles requiring 4-pin SPST relays. (See the picture for details)
SPST Quick-Connect Design: Single Pole Single Throw configuration with 6.3mm quick-connect terminals for secure electrical connections and easy installation.
Durable Construction: Features thermoplastic housing and corrosion-resistant terminals suitable for under-hood environments (-40°C to 125°C operating range).
Direct OEM Replacement: Matches original relay dimensions and electrical specifications for plug-and-play installation without modifications.

Before you order

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Compare the listing with the part currently installed on your vehicle.

Description

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Brand: Formiden

Package Dimensions
‏
:
‎
2.36 x 1.57 x 1.57 inches; 0.96 ounces
Date First Available
‏
:
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August 26, 2025
Manufacturer
‏
:
‎
Formiden
ASIN
‏
:
‎
B0FNQWJL9L
Best Sellers Rank: #528,267 in Automotive (See Top 100 in Automotive)
- #1,034 in Automotive Replacement Accessory Power Relays

OE-Compliant Automotive Relay
This 12VDC 40A 4-pin SPST relay provides reliable circuit control for General Motors vehicles. Engineered to meet original equipment specifications, it ensures proper operation of electrical systems requiring high-current switching capabilities.

Technical Specifications
Voltage Rating: 12VDC
Current Capacity: 40A maximum
Contact Configuration: SPST (1 Form A)
Terminal Type: 4-pin quick-connect
Operating Temperature: -40°C to 125°C
Contact Material: Silver alloy

Primary Applications
Fuel pump control circuits
Radiator cooling fan operation
Headlight and auxiliary lighting systems
Horn and accessory power control
Aftermarket equipment installation

Compatibility Information
Replaces OEM part numbers:
12177236 7236

Installation Notes
Verify existing relay specifications before installation
Disconnect negative battery terminal before servicing
Match pin configuration to original relay orientation
Ensure proper seating in relay socket
Test system operation before final reassembly

Package Includes
1 × 12177236 7236 12VDC 40A 4-Pin SPST Relay

Important Compatibility Notice
Confirm your vehicle’s original relay part number and electrical specifications before purchase. Compatibility limited to systems designed for 4-pin SPST relays with 40A capacity. Not compatible with vehicles requiring different relay configurations or current ratings.

Product facts

Specifications

Canonical product: MP-US-B0FNQWJL9L
Source product ID: B0FNQWJL9L
Category: Replacement Parts / Switches & Relays / Relays / Accessory Power
Available images: 8
Referenced part numbers: 12177236

Vehicle information

Available fitment details

Listing compatibility notes

Not compatible with vehicles requiring different relay configurations or current ratings.

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

Repair scenarios, installation, companion parts, and use outcomes

Buying guidance

Quick decision

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Repair scenario

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Inspect nearby connectors, fasteners, and mating surfaces before installation.

Installation notes

Use the listing instructions when present and follow the vehicle service procedure.
Professional installation may be appropriate when the repair requires special tools or calibration.

Companion parts

Inspect nearby fasteners, connectors, seals, fluids, and wear items before starting the repair.
Use the service procedure and the visible package contents to identify any additional parts or tools required.

Before you buy

Verify the referenced part number: 12177236.
Compare the listing title, photos, package contents, and specifications with the part being replaced.
Confirm vehicle compatibility and installation requirements before ordering.

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