Direct replacement to your unit. Plug-and-play, direct fit, easy installation. No assembly required. Higher grade of electric components. Improved heat sink and charging capabilities. shipped are tested. Part Number:539-0118,5390118 Fit: For Earthmoving 825K 826K 836K For Wheel-Type Loader 910 914 920 926M 930M 938M 950 950M 950M Z 962M 966M 962M Z 966M XE 972M 972M XE 982XE 980 980XE 982 986K 988K 988K XE For Generator LC31XX For Engine-Generator Set C4.4 C7.1 GEN For Off-Highway Truck 770G 770G 772G 772G 793F 797F For Engine - Industrial C13 C13B C15 C18 C3.6 C4.4 C7.1 C9.3 C9.3B XQ230 For Track-Type Loader 953K 963 For Road Reclaimer RM400 RM500B For Cold Planer PM310 PM312 PM313 PM620 PM622 For Forest Products 521 522 538 For Motor Grader 120 12M 3 12M 3 14 140 140 140M 3 140M 3 For 14M3 150 16 160 160M 3 160M 3 16M3 18 18M3 404F-22 For Material Handler C7.1 For Wheeled Excavator M314 M318 For Paving CB10 CB7 CB8 For Wheel 824K 834K For Backhoe Loader 416 420 420XE 428 430 432 434 440 444 450 For Underground Articulated Truck AD45 AD45B For Excavator 317 317 320 313 315 320 323 323F 323F L 325 326 330GC 335 336 336 340 349 352 352 UHD 374 395 For Pipelayer PL72 PL83 PL87 For Wheel Tractor- 621K 621K 623K 627K 631K 637K 651E 657 657E For Track-Type Tractor D1 D3 D5 D6 D6 XE D6T D6XE D7E For Expanded Mining Products MD6200 For Load,Haul,Dump R1700K R2900 Colour:Silver Material:ABS+Metal Package Contents: 1 x Nitrogen Oxide 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.