2x New PEC Pre-Cat & Post-Cat Oxygen Sensors For Mercedes Benz S350 W221 3.5L

• This is a set of new 1x Pre-Cat & 1x Post-Cat Oxygen Sensors.
• It is a direct fit replacement for all the vehicles listed below
• These items are factory-tested before shipping.
• For your peace of mind this part comes with a 12 month manufacturers warranty at least.

Number of Wires:

Pre-Cat Sensor: 5

Post-Cat Sensor: 4

*This is a special order item, although it is very competitively priced please take note the delivery time maybe longer.

VEHICLE FITMENT:

9/05 on Mercedes Benz S350 W221 3.5L M272.965 6 Cyl

Post-Cat Sensor Position: Right

Reference Number: 258017131, 250-24686