Upstream Oxygen O2 Sensor for Rolls Royce Phantom (2004-2006) 6.7L

Precision Bosch Upstream Oxygen O2 Sensor for 2004-2006 Rolls Royce Phantom (RR01)

What it Does: The Bosch Upstream Oxygen O2 Sensor replaces degraded wideband sensors on the 2004-2006 Phantom to restore closed-loop fuel mapping and eliminate rich or lean running conditions.

The Stock Rolls Royce Phantom Wideband Sensor Degradation

Over extended thermal cycles, the factory wideband air/fuel ratio sensors on the N73B68 6.75-liter V12 suffer from chemical contamination and internal planar ceramic degradation. As exhaust soot, fuel additives, and high thermal loads wear down the zirconium dioxide sensing element, reaction speed drops significantly. This sensor aging creates sluggish feedback loops to the dual Bosch engine control units, leading to inaccurate short-term and long-term fuel trims (STFT/LTFT), degraded fuel economy, rough idle quality, catalytic converter overheating, and persistent P0130-P0135 diagnostic trouble codes.

The Engineering Solution

The Bosch 17014 wideband 5-wire oxygen sensor provides true OEM-grade lambda regulation engineered to exact factory tolerances. Utilizing a patented ceramic planar sensing element with an integrated heater, this pre-catalytic sensor reaches optimal operating temperature in seconds to engage closed-loop trimming immediately after cold start. Built with a hermetically sealed double-laser-welded stainless steel body, it isolates internal circuitry from road moisture, corrosive exhaust condensate, and high-heat fatigue. The direct-fit, OEM-keyed connector interfaces directly with the factory engine harness without wire splicing, preserving signal fidelity for precision fuel metering across both cylinder banks.

What's Included

• 1 Upstream Oxygen Sensor (Bosch 17014)

Technical Specifications

Compatibility

• 2004 Rolls Royce Phantom 6.75L V12 (RR01)
• 2005 Rolls Royce Phantom 6.75L V12 (RR01)
• 2006 Rolls Royce Phantom 6.75L V12 (RR01)

Frequently Asked Questions & Fitment Warnings

Does this fit the RR01 Phantom?

Yes, this is a direct fit for the 2004-2006 Rolls Royce Phantom equipped with the N73B68 engine.

How many upstream sensors are required for a complete replacement?

The 6.75L V12 utilizes two upstream oxygen sensors, requiring one unit per cylinder bank before the catalytic converters.

The Rolls Royce Precision Standard

Maintain the signature whisper-quiet operation and zero-CEL emissions compliance of your BMW-engineered V12 platform with OEM-matched sensing components designed to deliver exact stoichiometric air/fuel feedback.