1. Flexible and easy to use.Perfect match with the car 2. and Nice qulity, durable to use. 3. Built to strict quality control standards.Not easy to damage, long service life 4. Stable performance, high reliability.a perfect replacement for your old ones 5. Made of high quality material, for durable use. Type Name: Nitrogen Oxygen Sensor Fitment Type: Direct Replacement Install Placement on Vehicle: Engine Part Number: 441-5127-03 4415127 A2C10474600-125B Fitment: For Caterpillar CAT CAT part numbers: 441-5127-03 441512703 441-5127 Rev03 Continental part number: A2C10474600-125B A2C10474600125B More compatible cat part numbers: 359-9171-03 359917103 359-9171 Rev03 5WK9 6725A 5WK96725A 359-9171-00 5WK96725 359-9171-02 Compatible for CAT Caterpillar machines: Perkins engine Earthmoving Compactor 815K 816K 825K 826K 836K CAT 905 Compact Wheel Loader Wheel-Type Loader 950M Wheel Loader Material: plastic+metal colour: silver+black Package Contents: 1 x Nitrogen Oxygen Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.