Accessory Drive Assembly 8 Grove for Detroit Series 60 12.7L Engine DDE 23523998. 23523998, R23523998, DDE 23523998, DDE R23523998. 023523998, 680371, E23523998, DDE23523998. For Detroit S60 12.7 Liter Engine. 1 X Accessory Drive. Please check the OE code on your old part before purchasing! And you can expect all the issues would be resolved ASAP! Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. Please leave us your full name, your telephone number and detailed address when ordering. If your item arrives damaged, defective, or with missing components, share photos of the damaged packaging or defective part. We’ll respond quickly within 24 hours and resolve your issue without delay. Our customer service open from Monday to Sunday. Your satisfaction is our top priority! Before leaving feedback, reach out with any concerns so we can find a satisfactory resolution and avoid misunderstandings.