For John Deere HPX 4×4,615E, 815E Rear Coil-over Spring Shocks Absorber AM135375. Material: Precisely machined from fully heat treated alloy steel with slick black oxide finish, higher strength, better corrosion and impact resistance, ensuring reliable and long-lasting durability. Easy to Use: The shock absorber is fully-assembled, including necessary parts required for replacement. No need for special tools. What You Get: Package includes. 2Pcs coil-over shock absorber. For use on rear left and right strut Replaces OEM#. , manufactured and tested to meet original equipment standards and performance. Please make sure your. If you need return, please contact our customer service representative, let us know the detailed problem and send us some pictures for confirmation. Thank you for your understanding. Our office hours is as below. 9:00 a. To 6:00 p. (GMT +8) of Monday to Friday. To 1:00 p. (GMT +8) of Saturday. And our office is closed on Sunday and public holidays (Hong Kong). We apologize for the late reply during the holidays.