assurance tested, more responsive, less expensive, easier to install. Make the door latch assembly more and protect it from damage. Built-in mute sponge, it can buffer and protect actuator motor, making it work quietly. Provide you with a smoother door opening and closing experience. Made of ABS which is high hardness, rugged, and not easy to damage.Our item is a direct replacement for GC3Z9943170A. Our item is the best for restoring your vehicle to factory condition performance. Powered lock actuator is needed to check within at least every 12 months/ 15000 miles. Ways to tell you might need a new powered lock actuator: Power door lock doesn't work; Power door lock operates erratically; Strange noises when operating the power lock; Sluggish operation from the door lock. Application: 17-17 For 3.5L V6 - Gas. 18-on For 2.7L V6 - Gas. 18-21 For 3.0L V6 - . 18-on For 3.3L V6 - Flex, 3.5L V6 - Gas, 5.0L V8 - Flex. 21-on For 3.5L V6 - FULL HYBRID EV-GAS (FHEV). 17-22 For Super Duty 6.2L V8 - Flex, 6.7L V8 - . 20-22 For Super Duty 7.3L V8 - Gas. 17-22 For Super Duty 6.2L V8 - Flex, 6.7L V8 - . 20-22 For Super Duty 7.3L V8 - Gas. Part Number: GC3Z 9943170 A/ GC3Z9943170A/ GC3Z-9943170-A. GC3Z 9943170 B/ GC3Z9943170B/ GC3Z-9943170-B. GC3Z 9943170 C/ GC3Z9943170C/ GC3Z-9943170-C. GC3Z 9943170 D/ GC3Z9943170D/ GC3Z-9943170-D. GC3Z 9943170 E/ GC3Z9943170E/ GC3Z-9943170-E. FL3Z 9943170 C/FL3Z-9943170-C. Colour:Black Material:ABS Package Contents: 1x Power Lock Actuator 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.