Sundstrand Sauer Danfoss Series 40 Auxiliary Pad Cover Seat

The older model has an oring that goes under the auxiliary pad cover that seals an auxiliary pump. The new way will have a square cut ring that will used for sealing the pad cover.

The new ring measures 70 durometer with a .103″ cross section and 3.237″ ID with ARP 568 uniform dash number -152. The new part number for this part is 9004 100-1520.

We can help with any questions you may have on this topic, call us at

800-361-0068

sales@hydrostatic-transmisison.com