Cummins ISB and QSB Belt Tensioners

Belt Tensioner for Cummins ISB and QSB Engines

We stock belt tensioners for Cummins ISB and QSB engines. You can easily access our inventory by visiting the product links listed below.

If you do not see the part you are looking for, please use our quote request form or call us at 888.687.0539: our knowledgeable sales staff will gladly help you.

3974102

BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

Genuine Cummins Part

$274.82

Qty:

Ships in 1-2 days

3976834

BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

Genuine Cummins Part

$246.58

Qty:

Ships in 3-4 days

4981116

BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

Genuine Cummins Part

$317.88

Qty:

5259022

BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

Genuine Cummins Part

$251.42

Qty:

Ships in 3-4 days

5270678

BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

Genuine Cummins Part

$265.93

Qty:

5333478

BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

Genuine Cummins Part

$244.82

Qty:

Ships in 3-4 days

5333480

BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

Genuine Cummins Part

$296.54

Qty:

DS-3937553

BELT TENSIONER - B SERIES / ISB / QSB

$145.09

Qty:

In Stock

DS-3937556

BELT TENSIONER - 4BT3.9 / 6BT5.9 / ISB3.9 / ISB4.5 / QSB3.9

$88.02

Qty:

DS-5333480

BELT TENSIONER - 4B3.9 / B4.5 / 6B5.9 / B6.7 / ISB / QSB

$214.25

Qty:

Ships in 1-2 days

Cummins ISB and QSB Belt Tensioners

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