Choose Belt Tensioner at WDPART

48 products

Showing 25 - 48 of 48 products

Why choose Belt Tensioner at WDPART?
The tensioner maintains the correct tension on the belt throughout the working cycle. It also helps protect other components like alternators and water pumps from overstress and premature failure.

How Can a Belt Tensioner Fail?
Corrosion
Bearing failure
Cracking
Failed spring

What Are the Symptoms of Belt Tensioner Failure?
Noisy belt
Failure of service components

What Are the Consequences of Belt Tensioner Failure?
Vehicle fails to start
Internal damage to the engine

Which belt tensioner does WDPART supply?
We offer various brands of belt tensioners with high quality. The brands we offered are Caterpillar,Volvo,Komatsu,Hitachi,JCB,Bobcat and so on. In stock alternative OEM available. Belt tensioner for JCB, belt tensioner for Komatsu, belt tensioner for Volvo, belt tensioner for Caterpillar, belt tensioner for Hitachi, belt tensioner for Bobcat.

Hot sale belt tensioner models: 320/08657, 320/08623, 20491753, 21155561, 04504262, 20909227, 20554253, 320/08657, 320/08759, 20487079, 20491753P, 2117895.

Showing 25 - 48 of 48 products

WDPART Excavator Belt Tensioner for Komatsu PC200-6/7 PC220-6/7 Cummins 6D102 6BT PC200

$58.00

WDPART C3936213 Belt Tensioner Fits for Komatsu PC360-7 PC350-7 6D114 Cummins 6CT 6BT 6CT8.3 6BT5 Engine

$89.00

WDPART 0127846000 0127425000 89436 Belt Tensioner Assembly for Cummins E2100 E2500

$90.00

WDPART Belt Tensioner 3976834 for Cummins 6CT8.3 6CT 6BT Engine 5.9L 6.7L Komastu 220-8 PC300-8 Dodge Ram ISX ISC

$86.00

WDPART WDPART Belt Tensioner Idler Assembly 7269057 for Bobcat Loader A770 S630 S650 T750 T770 T870 Kubota

$265.00

1333544 Belt Tensioner for Caterpillar CAT Engine 3176C C10 C12 Liebherr 911 944

WDPART Belt Tensioner 1333544 for Caterpillar CAT Engine 3176C C10 C12 Liebherr 911 944

$88.00

WDPART 320/08588 320/08586 Belt Tensioner for JCB Spare Parts 3CX 4CX Backhoe Loader

$78.00

WDPART 320/08564 320/08653 320/08923 Belt Tensioner Idler Pulley for JCB Excavator 3CX 4CX 3DX 4DX

$54.90

WDPART 1438743 1503115 1545984 1774653 1859656 Belt Tensioner Pulley for SCANIA Truck DX380 DX420

$90.00

5010550335 3979980 8149879 Belt Tensioner for Volvo Truck D11 D12 D13 Engine Grader 360 Renault 400.24 385.26

WDPART Belt Tensioner 5010550335 3979980 8149879 for Volvo Truck D11 D12 D13 Engine Grader 360 Renault 400.24 385.26

$95.00

WDPART 21500149 20939284 20799527 Belt Tensioner for Volvo Penta Engine TAD550GE TAD560VE TAD734GE TAD750GE TAD761VE

$95.00

8149855 20935523 20762060 21422767 20966526 Belt Tensioner - 1

8149855 20935523 20762060 21422767 20966526 Belt Tensioner - 3

WDPART Belt Tensioner Pulley 8149855 20935523 20762060 21422767 20966526 for VOLVO Truck FH12 FH16 FM12 Off Road EC700B

$109.04

WDPART Belt Tensioner 1382514 APV2694 89485 for Caterpillar CAT Engine 3126 3508B 3524B C7 Wheel Loader 992G

$95.00

WDPART 3779082 377-9082 Belt Tensioner V-ribbed belt for Caterpillar CAT Engine C4.4 C6.6 C7.1

$107.52

WDPART Belt Tensioner 6689611 for Bobcat Loader 3650 S100 T110 S750 S770 S850

$89.30

WDPART Replacement 30777695 Timing Truck Alternator Belt Tensioner Pulley for Volvo Truck

$184.00

WDPART Replacement 30638277 VKM16604 Timing Belt Tensioner for Volvo C70 V40 S60 XC70

$58.00

20459947 20909227 belt tensioner for Volvo D6D D7D

WDPART 20459947 20909227 diesel engine parts belt tensioner for Volvo D6D D7D EC140 EC290 EC210B EC240B excavator

$78.20

5632697 6689611 Timing Belt Tensioner for Bobcat 3650 5600 5610 S100 T110 T450 T740

WDPART Timing Belt Tensioner 5632697 6689611 for Bobcat 3650 5600 5610 S100 T110 T450 T740

$85.00

135-2151 1352151 Excavator Belt Tensioner Pulley for CAT 3116 3126B 3126E C7 Engine

WDPART Excavator Belt Tensioner Pulley 135-2151 1352151 for CAT 3116 3126B 3126E C7 Engine

$72.00

344-1722 Belt Tensioner for Caterpillar E320D2 C7.1 Engine

WDPART 344-1722 belt tensioner for Caterpillar E320D2 C7.1

$73.32

WDPART 2874377 2874024 Belt Tensioner for Cummins ISZ13 QSZ13 Engine

$103.68

3937553 Belt Tensioner for Cummins Engine B3.9L 5.9L

WDPART 3937553 3917485 3914086 Belt Tensioner for Cummins Engine B3.9L 5.9L 4BTA 6BTA

$51.99

462280 belt tensioner for Volvo excavator

WDPART Belt Tensioner 462280 for Volvo Excavator EC210B EC290B

$78.00

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Let customers speak for us

from 518 reviews

Excellent service and product

James Alexander

08/17/2026

Ignition Starter Switch RE61717 With Key For John Deere 5310 5320 5420 4720 5210 5220 Tractor

Product received was 100% correct

I was in a pinch looking for a water pump for a Carrier unit with a Kubota engine. The Carrier pump is on a long back order and quite expensive. WDPART came through with the correct part at a very reasonable price. Will definitely order from them again.

DANIEL MCGOWAN

08/06/2026

Replacement 29-70183-00SV Water Pump for Kubota D1105 CT 3.69 Diesel Engine

Great replacement Voltage regulator

After troubleshooting that my voltage regulator on my 2009 Piaggio MP3250, was bad........I ordered this one and it fixed my issue. Mine was reading over 20v! It is supposed to be 14.6 or below. This was a perfect fit and worked immediately.

Robert White

07/30/2026

584533 639110 58086R Rectifier Voltage Regulator For Piaggio MP3 Scooter 250CC

Alles bestens

Roland Schlüter

07/20/2026

Diesel Stop Solenoid 1502-12C6U1B1S1 12V for Woodward 1500 Series

15047336 VOE15047336 Oil Pressure Sensor for Volvo truck A25E A30E A35E A35E Engine repair parts

Geoffrey Redmond

07/01/2026

15047336 VOE15047336 Oil Pressure Sensor for Volvo truck A25E A30E A35E A35E Engine repair parts

Great Aftermarket Key Switch

Fits and works just like the original one, and will these buy again.

KEVIN PORTIER

06/18/2026

Ignition Switch IZ-8970444180 897044-4180 8970444180 for Isuzu 3LA1 3LB1 3LD1 3LD2 4BD1 4BG1 4JG1 4JG2 4LB1 4LC1 6BG1 6HK1 SY235

Had doubts but everything was smooth. Thank you. -Rich

Richard Brown

05/02/2026

12V Diesel Stop Solenoid SA-4298-T 1503ES-12A5SUC9S for Woodward 1500 Series Kubota V2203 Case 560

santiago roman

04/24/2026

5006063 Electric Fuel Pump For Johnson Evinrude 6 CYL E-TEC 200-300 HP 3.3L 3.4L

Came as described!

Came as described! Took longer than expected but the seller is responsive and made sure it got expedited to me! Seem like very good quality as well..haven’t ran it yet still building.

ArmitageDavid

04/14/2026