Cam Phaser Set for Ford Explorer (2006-2010) 4.6L

OEM-Grade Cam Phaser Set for 2006-2010 Ford Explorer (U251)

What it Does: The Cam Phaser Set restores precise variable valve timing and eliminates valvetrain rattle on the 2006-2010 Explorer by directly replacing worn intake variable camshaft actuators.

The Stock Ford Explorer Valvetrain Deterioration

The factory variable camshaft timing system on the Ford Modular 4.6L 3V engine relies on tight oil clearances and mechanical locking pins inside the phaser hub. Over sustained thermal cycling and extended oil drain intervals, oil pressure drops at the cylinder heads, causing the factory internal return springs to weaken and the rotor locking pins to sheer or wallow out their recesses. This mechanical degradation introduces excessive lash, resulting in severe diesel-like valvetrain knock, inaccurate camshaft positioning, erratic idle, timing chain slap, and check engine lights triggering diagnostic trouble codes such as P0011, P0012, P0021, or P0022.

The Engineering Solution

This replacement cam phaser actuator kit resolves valvetrain instability through precision CNC-machined internal chambers and heat-treated internal locking pins engineered to withstand dynamic torsional shear loads. Redesigned internal vanes maintain balanced oil volume retention under high-heat operation, preventing cavitation and low-RPM oil starvation across the valvetrain. Each actuator assembly ensures exact dynamic advance and retard response matching original factory calibration tables, restoring lost mid-range torque and stabilizing intake camshaft events across all engine operating loads.

What's Included

• 2 Intake VVT Cam Sprocket Actuators
• 2 Camshaft Phaser Mounting Bolts

Technical Specifications

Compatibility

• 2006-2010 Ford Explorer 4.6L V8 SOHC 3-Valve (VIN 8)

Frequently Asked Questions & Fitment Warnings

Does this fit the U251 Explorer?

Yes, this is a direct fit for the 2006-2010 Ford Explorer equipped with the Modular 4.6L 3V engine. Will not fit 2-valve 4.6L or 2-valve 5.4L engines; this kit is strictly engineered for 3-valve valvetrain architectures.

Are new torque-to-yield mounting bolts required for installation?

Yes, camshaft phaser bolts are torque-to-yield fasteners and must be replaced during service; this kit includes two brand-new bolts required to complete the installation to OEM torque-plus-angle specifications.

The Ford Truck Reliability Standard

Built to handle rigorous towing and sustained heavy-duty cycling, these actuators provide the valvetrain hydraulic integrity required to keep your Modular V8 running smooth and quiet under heavy haul demands.