Rotomaster K1042238N Turbocharger Coolant Return Line

Turbocharger Coolant Return Line for OE-Style Service

Restore proper turbo cooling with this Rotomaster turbocharger coolant return line, part number K1042238N. Built as a specific-fit steel replacement, it is made for turbocharger service on select Buick, Chevrolet, and other GM applications where coolant flow and sealing are critical.

Fits 2013-2021 Buick Encore, N/A; Fits 2014-2021 Chevrolet Trax, N/A; Fits 2012-2020 Chevrolet Sonic, N/A; Fits 2013-2016 Chevrolet Cruze, N/A; Fits 2016 Chevrolet Cruze Limited, N/A.

• Steel construction with a silver finish
• Specific-fit, direct replacement design
• OE-style replacement grade for turbocharger service
• Gasket(s) included for sealing at installation
• Male end fitting with 0.466 thread diameter
• 8-inch overall length

Application and Function

The Rotomaster K1042238N coolant return line routes coolant away from the turbocharger after it has absorbed heat during operation. On turbocharged Buick Encore, Chevrolet Trax, Chevrolet Sonic, Chevrolet Cruze, and Chevrolet Cruze Limited applications, a restricted or damaged return line can affect turbocharger cooling and service life. This replacement line is built to meet the demands of routine turbocharger repair and replacement.

This part cross-references 55567067 and N104238L for the same application.

Common Problems This Part Can Address

• Coolant leakage at the turbocharger return circuit
• Corrosion or heat-related damage to the original line
• Restricted coolant flow caused by buildup or internal blockage
• Sealing issues after turbocharger removal or replacement
• Service concerns on turbocharged GM vehicles with aging coolant lines

Installation Notes and Tips

Replace turbocharger oil and coolant lines whenever the turbocharger is removed or replaced. For the listed Buick Encore, Chevrolet Trax, Chevrolet Sonic, Chevrolet Cruze, and Chevrolet Cruze Limited applications, the manufacturer notes that engine oil, the oil filter, and the intake air filter must also be changed to ensure proper turbo function. Refer to the installation guide included in the box and verify fitment before installation.

Quality Assurance

Rotomaster develops its turbocharger line components to meet or exceed OE performance expectations. This K1042238N coolant return line is a direct-fit replacement designed for standard turbocharger service and consistent sealing performance.