OEM New Mercedes knock sensor for w140 S600 M120 A0031533428

New OEM Bosch/Mercedes knock sensor for W140 (S600), C140 (CL600) and R129 (SL600) made from 1991 to 1995.

This knock sensor fits the left and right side of the engine. 

The part number for this is A0031533428

Delivery

• We pack and send the order the same day, if the order is placed before 14:00 UTC. 
  
• Express shipping Worldwide takes 1-5 days.
• Express shipping Europe takes 1-3 days.
• Any import fees must be paid by the buyer. 

About the product

• 100 days warranty on the product.
• Parts number-A0031533428
• Fits Mercedes models made from 1991 to 1995 with the M120 V12 engine. 

Symptoms of a faulty knock sensor

After many years of heat the plastic gets brittle and slowly cracks and insulation of the wires disintegrate this can result in the wire giving wrong signals to the engine EZL. In some cases this gives symptoms like small knocking noice from the engine and running uneven.