Turbocharger Pair for Lincoln Navigator (2018-2020) 3.5L Left & Right

Direct-Fit Replacement Turbocharger Pair for 2018-2020 Lincoln Navigator (U554)

What it Does: The Turbocharger Pair replaces failing or oil-starved factory boost units on the 2018-2020 Lincoln Navigator to restore manifold boost pressure, throttle responsiveness, and factory towing torque.

The Stock Lincoln Navigator Turbocharger Failure Modes

The high-output 3.5L EcoBoost in the U554 chassis generates intense exhaust gas temperatures (EGTs) under heavy payload demands. Factory turbochargers frequently suffer from carbon-choked oil feed passages, leading to journal bearing starvation, axial shaft play, and oil seal degradation. Once dynamic clearance is compromised, compressor wheels scrape internal housings, blowing blow-by smoke through the downpipes and causing boost loss under load.

The Engineering Solution

Engineered to factory K03 specifications, this matched left and right turbocharger set utilizes precision-balanced rotating assemblies to eliminate shaft vibration at high spool RPM. High-grade cast iron turbine housings withstand extreme thermal cycling without micro-cracking, while ductile aluminum compressor covers optimize airflow dynamics. OE-configured coolant and oil ports align with factory hard lines, resolving oil blow-by and manifold boost leaks without requiring custom oil feed routing or ECU recalibration.

What's Included

• 1 × Left Side Turbocharger
• 1 × Right Side Turbocharger
• Installation Hardware & Gasket Kit Accessories

Technical Specifications

Compatibility

• 2018 Lincoln Navigator 3.5L V6 (Left & Right)
• 2019 Lincoln Navigator 3.5L V6 (Left & Right)
• 2020 Lincoln Navigator 3.5L V6 (Left & Right)

Frequently Asked Questions & Fitment Warnings

Does this fit the U554 Navigator?

Yes, this is a direct fit for the 2018-2020 Lincoln Navigator equipped with the 3.5L EcoBoost engine. Excludes non-EcoBoost or naturally aspirated platforms and legacy chassis prior to 2018.

Do I need to replace the oil lines during installation?

Yes, always replace or chemically flush the oil feed and return lines, as carbon coke from the failed turbocharger will quickly ruin the new journal bearings.

The Lincoln Standard

A full-size luxury SUV hauling heavy tongue weights demands rock-solid boost stability. These turbochargers deliver continuous towing torque and peak thermal endurance under full load.