This product is a brand new complete aftermarket 5GH servo assembly. If you’re not sure what you have, you can compare this picture to the servo on your front diff or call us if we can help you. If you are looking for just the motor, click here. http://www.501parts.com/product-category/yamaha-servo-motors/
The complete servo assembly as shown in the picture is what you will receive. These are aftermarket servo assemblies and are ready to plug and play and ride.
Note: This servo will also directly replace the sealed non-serviceable 5GH servos found on the 98-01 models.
We offer a 1 year warranty on our new servos. Let us know if we can help you.