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Belt Tensioner 3973820 for Cummins ISBE Engine

Condition: Brand new & Original
OE: 3973820 3287277 4984044
Supply to Asia, Europe, Middle East, South America, Africa
Engine models:ISBE Diesel Engine
After-sales Service Provided: Video technical support, Online support, Spare parts.
Place of Origin: Chonqqing, China
Warranty: 12 months
  • 3973820



Belt Tensioner 3973820 for Cummins ISBE Engine

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.


No Product Model No
1 Belt Tensioner C3974599
2 Belt Tensioner A3960918
3 Belt Tensioner 5260336
4 Belt Tensioner A3960919
5 Belt Tensioner C5260334
6 Belt Tensioner C3977352
7 Belt Tensioner 5263659
8 Belt Tensioner 5263690
9 Belt Tensioner C4934652
10 Belt Tensioner C4938265
11 Belt Tensioner C5260271
12 Belt Tensioner C3969377
13 Belt Tensioner C5260268
14 Belt Tensioner C3966817


Belt Tensioner  2852161  3967188 3967190
Belt Tensioner  20491753  21145261 21155561
Belt Tensioner  3974102 4936440  4994573
Belt Tensioner  3973820 3287277  3976834 3957434 4891116  4987964
Belt Tensioner  4980639 5287020 5287021 5267127
Belt Tensioner  504028028 21631484
Belt Tensioner  3937555 3917440 3934819 3936205 5333481
Belt Tensioner  3936210 3914854 3973827 5333480 3934822
Belt Tensioner  3936213 3281583 3934821 3945527 3976831 5259022
Belt Tensioner  3973824 3922549 3925625 3934820 3936206 5333486
Belt Tensioner  3922901 3911621 3934823 3936207 3937556 3976832 5333478
Belt Tensioner  3924026 3921524 3934814 3934816 3936197 3978021 3976833
Belt Tensioner  3914086 3917485 3922900 3934818 3936201 3937553 5333477


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.


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.

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Company Address
Room 3-11, Building No.8 Gov office, Free Trade Port Area, Chongqing City 400010, China
Always available on video technical support, Online support, Spare parts, Machinery Overseas and more efficient, friendly service for worldwide customers.
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