Features: 1.Applicable Model: MAP Sensor is replacement for Chevy, replacement for Opel, replacement for VAUXHALL, please confirm whether your model is applicable before buying. 2.OE Number: The part numbers of MAP sensor for reference are 55563375, 1238394, please confirm whether it is consistent with the OE you need. 3.Function: Measuring the pressure in the intake pipe improves engine performance by providing more optimized fuel usage through more accurate measurements. 4.Reliable Quality: The sensor is made of premium plastic materials and advanced manufacturing technology, which can withstand high temperature and pressure, vibration and other harsh environments. 5.Easy to Install: You can simply remove the old sensor and install the new one, simple installation, no need complex tools, quick and convenient. Specification: Item Type: Intake Pressure Sensor Material: Plastic Size: Approx. 5 x 4 x 3cm / 2 x 1.6 x 1.2in OE: 55563375, 1238394 Fitment: Replacement for Chevy Replacement for Opel Replacement for VAUXHALL Note: 1. Please double check the part number of your item, matching information is for reference only. 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!