GM GENUINE 12743523
GM GENUINE part number 12743523 is a thermostat housing / water outlet in the Cooling System system. This catalog matches it to 28 year-and-engine configurations from 2019 to 2026.
Verified fitment includes 2026 GMC Sierra 2500 6.6L V8 DIESEL Turbocharged ; 2025 GMC Sierra 2500 6.6L V8 DIESEL Turbocharged ; 2025 GMC Sierra 3500 6.6L V8 DIESEL Turbocharged ; 2024 GMC Sierra 2500 6.6L V8 DIESEL Turbocharged ; 2024 GMC Sierra 3500 6.6L V8 DIESEL Turbocharged , plus 23 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is GM GENUINE 12743523?
GM GENUINE part number 12743523 is a thermostat housing / water outlet with published application data for 28 vehicle configurations from 2019 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does GM GENUINE 12743523 fit?
This catalog matches 12743523 to 28 year-and-engine configurations from 2019 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is GM GENUINE 12743523 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. GM GENUINE 12743523 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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