for Cummins Qsb5.9 Diesel Engine Electronic Control Module Ecm ECU 3990517

We has been providing genuine and high quality engine parts at the lowest possible cost in China, and got a high reputation from our clients due to the reliable quality, competitive price and on-time delivery. 
1.Durable and high Quality.
2.Nice-looking packing.
3.Prompt delivery. 
4.Wide range of parts for more models available.
5.Most competitive wholesale prices.
6.One stop buying service provided.

Question 1:How to buy engine spare parts? First of all, please tell us the part number of the parts you need. We will supply the same parts as yours. Secondly, if you don't know the part number, please provide parts name and engine series number, then we will check the part number through engine series number.  

Question 2:How long is the delivery time? For complete engine and Power units , we need to arrange production according to the order, our general delivery time is 15-30 days. For spare parts , our general delivery time is 3-10 days.  

Question 3:How to arrange delivery? Considering the large volume and weight of our products, to save the shipping cost, we generally recommend ship to your nearest port For small items and urgent orders, we can also provide air shipment and send goods to the airport in your city or your company address.

Question 4:How about Payment Methods? We suggest 30/70,T/T payment method: 30 percent down payment on placement of the order, with the remaining 70% due upon shipment. Question 5:How about Packing Methods? Normally we use wooden boxes for packaging or we can pack it according to your special needs.