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Standard Ignition FH57 Circuit Breaker
Standard Ignition FH57 Circuit Breaker
The Standard Ignition FH57 is a plug-in circuit breaker built for direct electrical service in select GM vehicles. It features a 300 amp amperage rating, a female connector, a square connector shape, and a 2-terminal layout for a straightforward replacement in the original circuit.
Key Features
- 300 A amperage rating for high-current circuit protection
- Plug-in design with female connector terminals
- Square connector shape with 2 connector positions
- Direct replacement style for service on select Buick and Cadillac applications
- Standard Ignition FH57 part number for accurate ordering and lookup
Application Details
Compatible with select 2014-2019 Cadillac CTS, 2015-2019 Cadillac Escalade, 2015-2018 Cadillac ATS, 2016-2019 Cadillac CT6, 2018-2019 Cadillac XTS, 2016-2019 Buick Envision, 2017-2019 Buick Encore, 2017-2019 Buick LaCrosse, and 2018-2019 Buick Enclave applications. The FH57 is a practical choice when servicing a high-amperage electrical circuit in these vehicles, including Buick Enclave and Cadillac CTS platforms that use this connector style.
This part cross-references OE-style part numbers 84082851 and FH166 for the same application.
Common Uses
- Restoring circuit protection after a breaker failure
- Addressing intermittent power loss in a protected electrical circuit
- Replacing a heat-damaged or worn plug-in breaker
- Correcting electrical faults related to high-current accessory or body circuits
Installation Notes
Verify connector shape, terminal count, and amperage rating before installation. Match the original breaker location and inspect the surrounding connector for heat, corrosion, or looseness before plugging in the replacement. Confirm vehicle-specific fitment by year, make, and model before service.
Quality Assurance
Standard Ignition is a recognized aftermarket brand for electrical service parts, and the FH57 is built to match the listed connector and rating requirements for the specified applications.
| Brand | Standard Ignition |
|---|---|
| Part Number | FH57 |
| Amperage Rating | 300 a |
| Connector Gender | Female |
| Connector Quantity | 2 |
| Connector Shape | Square |
| Connector Type | Plug in |
This part fits 33 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2019 | Buick | Enclave | N/A | |
| 2019 | Buick | Encore | N/A | |
| 2019 | Buick | Envision | N/A | |
| 2019 | Buick | LaCrosse | N/A | |
| 2019 | Cadillac | CT6 | N/A | |
| 2019 | Cadillac | CTS | N/A | |
| 2019 | Cadillac | Escalade | N/A | |
| 2019 | Cadillac | XTS | N/A | |
| 2018 | Buick | Enclave | N/A | |
| 2018 | Buick | Encore | N/A | |
| 2018 | Buick | Envision | N/A | |
| 2018 | Buick | LaCrosse | N/A | |
| 2018 | Cadillac | ATS | N/A | |
| 2018 | Cadillac | CT6 | N/A | |
| 2018 | Cadillac | CTS | N/A | |
| 2018 | Cadillac | Escalade | N/A | |
| 2018 | Cadillac | XTS | N/A | |
| 2017 | Buick | Encore | N/A | |
| 2017 | Buick | Envision | N/A | |
| 2017 | Buick | LaCrosse | N/A | |
| 2017 | Cadillac | ATS | N/A | |
| 2017 | Cadillac | CT6 | N/A | |
| 2017 | Cadillac | CTS | N/A | |
| 2017 | Cadillac | Escalade | N/A | |
| 2016 | Buick | Envision | N/A | |
| 2016 | Cadillac | ATS | N/A | |
| 2016 | Cadillac | CT6 | N/A | |
| 2016 | Cadillac | CTS | N/A | |
| 2016 | Cadillac | Escalade | N/A | |
| 2015 | Cadillac | ATS | N/A | |
| 2015 | Cadillac | CTS | N/A | |
| 2015 | Cadillac | Escalade | N/A | |
| 2014 | Cadillac | CTS | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.