Cummins
Cummins QSB / QSL belt tensioner 3970822
Belt tensioner for the Cummins QSB and QSL.
Part numbers
- 3970822
- 3974102
- 3976831
- 4920105
- 4299053
- 2871299
- 3671280
Also written as 397-0822, 397-4102, 397-6831, 492-0105, 429-9053, 287-1299, 367-1280
We quote on enquiry. Send the number off the old unit and we’ll check it against the OEM catalogue before you order.
Specification
- Engine models
- QSB, QSL
- Material
- Mild steel
- Packaging
- Box
More for the Cummins QSB engines
6 of 11
Cummins QSB6.7 injector 0445120231
- 0445120231
- 4942359
Cummins QSB6.7 / QSB5.9 piston 4934860
- 4934860
- 4955365
- 4955520
- +7 more
Cummins QSB6.7 / Komatsu 6D107 piston kit 4955160
- 4955160
- 6754-31-2110
- 5336107
- +2 more
Cummins QSB4.5 engine spares
View part
Cummins QSB6.7 tappet cover gasket
View part
Cummins 6BT / QSB coolant bottle
View part
More in Belt & tensioner
6 of 9
Cummins V-ribbed belt
- 3098367
- 3289224
- 3288497
Cummins Big Cam engine belt 4911762
- 4911762
Cummins KTA19G fan belt 178517
- 178517
Cummins QSB6.7 fan belt 3979344
- 3979344
Cummins belt tensioner 3095684
- 3095684
Cummins QSM11 belt tensioner
View part
Not sure this is the right one?
A number that reads clearly can still have been superseded, and an engine model on its own rarely settles fitment. These are worth a few minutes before you order.
How to identify a Cummins engine before ordering parts
Where the dataplate sits, what the serial number and CPL tell you, and why the engine model on its own is not enough to order against.
Read thisWhat to send when the part number has worn away
Corroded castings, painted-over plates and rubbed-off labels are ordinary. What identifies a part when its number is gone, and what to photograph.
Read thisPart number index
Every number the catalogue covers, in one list. Search it, or scan it to see whether a number you have been given is one we stock.
Look up a number