Rotomaster K1390123N Turbocharger

Rotomaster New Turbocharger K1390123N

Rotomaster K1390123N is a 100% new turbocharger built for direct replacement service on select Ford applications. It is engineered and tested for OE fit and performance, with coolant cooling, a journal bearing design, and a wastegate actuator included for a complete replacement setup.

Compatible with Ford Fiesta, Escape, Transit Connect, and Fusion applications, this Rotomaster New Turbocharger line is aimed at restoring boost response, drivability, and fuel efficiency in vehicles that rely on precise turbocharger operation. The K1390123N part number is a direct-fit option for drivers and repair shops looking for a new turbocharger assembly rather than a remanufactured unit.

Key Features

• 100% new turbocharger construction
• Journal bearing design
• Coolant-cooled turbocharger
• Wastegate actuator included
• Meets or exceeds OE performance targets
• Includes gaskets, studs, and pre-lube syringe
• Steel and aluminum construction
• Designed and tested for OE fit

Product Details

Rotomaster’s New Turbocharger line focuses on direct-replacement coverage for a wide range of vehicles, with this application centered on Ford turbocharged platforms. The K1390123N is built from new components and tested for consistent operation, helping maintain factory-style boost control and engine response. It is a practical choice for Ford Fiesta, Ford Escape, Ford Transit Connect, and Ford Fusion owners needing a replacement turbocharger that matches original equipment expectations.

This part cross-references Ford CJ5Z6K682L for the same application.

What It Can Help Address

• Loss of engine power
• Slow turbo spool or weak boost response
• Oil contamination-related turbo wear
• Foreign object damage to compressor or turbine wheels
• Smoke from turbo seal wear or engine blow-by conditions

Installation Notes and Tips

• Replace the engine oil and inspect the air filtration system before installation.
• Use the supplied pre-lube syringe to protect the turbocharger during startup.
• Diagnose and correct the original failure cause before installing the new unit.
• Allow the engine to cool before shutdown to reduce oil coking risk.
• Check for excessive shaft play, damaged wheels, and contamination in the intake and exhaust paths.

Quality Assurance

Each Rotomaster turbocharger is designed and tested to support OE fit and performance expectations. The brand states that these new turbochargers are manufactured with 100% new components and built to meet federal emissions regulations where applicable.

Fits 2014-2019 Ford Fiesta, N/A. Fits 2013-2016 Ford Escape, N/A. Fits 2014-2016 Ford Transit Connect, N/A. Fits 2013-2014 Ford Fusion, N/A.