Mainwe-Engine was founded in 2010, is a worldwide refutable engine overhaul gasket manufacturer in China, our main products include engine overhaul gasket sets, cylinder head gaskets, and manifold gaskets or range of Cummins diesel engine vehicles. At the same time, we also supply Genuine and OEM spare parts for Cummins engines like cylinder, Crankshaft, camshaft, shaft bushing, connecting rod, cylinder body, cylinder cap, water pump, oil pump, cylinder sleeve, piston, piston ring… All of them have exported to the United States, Russia, South America, Middle East, Southeast Asia and covering over 20 countries and regions.

Genuine Diesel Engine Piston kit 4089963 4089944 4089613 3966721 4941393 for 6LTAA8.9 QSL9 CM850 Engines

All our products have a one-year warranty, but service is still the most important part of us. We provide you with free online technical support through video online or mails. No matter you are a retail store or a repairer, you can contact us whenever you have any technical questions, and we will reply to you in time to help you solve the problems.

FAQ：

How can I get in touch with you in fast way?
A: Several methods are available for you easily to contact us, you will see there’s a live chat on each webpage, send messages to us directly here. And you can find our mail ID in page “contract us” , what’s more, you will get instant response by Skype, We-chat, or phone calls.

What’s the MOQ ?
A: One piece is available for sell also, but for some special parts like bearing, piston we may have MOQ like 6pcs per set, 12pcs per set, but we will inform if there is any MOQ for these parts.

Do you provide sample?
A: We can provide samples with sample charges and courier fees by the your side please.

What is the delivery time?
A: Normally we will make big storage in our warehouse, we can arrange shipment immediately. While for order with big quantity, we need to check after the order is confirmed.