Keep coolant moving through your turbocharger's cooling circuit with the Standard Ignition Turbocharger Coolant Line, MPN TIH66. This is the return line, which routes engine coolant back from the turbocharger after it has passed through the bearing housing. It installs as a direct-fit replacement across the 2012-2014 Ford Edge, 2012-2015 Ford Explorer, 2013-2016 Ford Escape, 2013-2018 Ford Focus, 2013-2017 Ford Taurus, 2013-2016 Lincoln MKT, 2013-2016 Lincoln MKZ, and 2015-2016 Lincoln MKC — see the Buyer's Guide tab for full engine-level fitment.
- Return-side coolant line: carries coolant back from the turbocharger as part of the cooling circuit.
- Direct-fit OE replacement: designed to match the original's fit, form, and function on the listed applications.
- Tested to OE specifications: extensively tested to help ensure reliable performance and service life.
- Global quality control: built with quality control maintained throughout manufacturing.
If a cracked, corroded, or leaking coolant line is behind coolant seepage or loss around the turbo, this line replaces it. Diagnose the source of any leak before ordering to confirm the return line is the failed component.
Interchange: 2-56066
ITH66 · AG9Z8555A · AG9Z8555B · 256066
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this part do?
It is the turbocharger coolant return line, routing engine coolant back from the turbocharger's bearing housing as part of the cooling circuit.
Is this the supply or return line?
This is the RETURN line, which carries coolant away from the turbocharger. Confirm you need the return side before ordering.
Which vehicles does the TIH66 fit?
It fits the 2012-2014 Ford Edge, 2012-2015 Explorer, 2013-2016 Escape, 2013-2018 Focus, 2013-2017 Taurus, 2013-2016 Lincoln MKT and MKZ, and 2015-2016 MKC. See the Buyer's Guide tab.
What are signs this line may need replacing?
Coolant seepage, staining, or loss around the turbocharger and a cracked or corroded line can be signs. Diagnose the leak's source before replacing.
What numbers does this line interchange with?
It interchanges with 2-56066, ITH66, AG9Z8555A, AG9Z8555B, and 256066.
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