Shopping for: Confirm the part against your engine serial number and application before ordering.
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Cummins ISC / QSC / 6C 8.3 Belts & Pulleys
Belts & Pulleys for Cummins ISC / QSC / 6C 8.3 engines. Every part in this collection is listed for the 6C, 6CTA, ISC, QSC by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.
13 part numbers. Match the part number and your engine serial number — not sure? Call or text (720) 445-6249.
| Part # | Replaces | Description | Fits | Price | Availability |
|---|---|---|---|---|---|
| 180888 | Cummins 3918944 Cummins 3934817 Cummins 3936202 +1 more |
Cummins 6C ENGINES 8.3 BELT TENSIONER | CUMMINS 6C ENGINES 8.3 | Call for price | Request lead time |
| M-3976831 | Cummins 3976831 | Interstate-McBee Cummins C/ISC/QSC/ISL/QSL Belt Tensioner | CUMMINS C/ISC/QSC/ISL/QSL | $188.99 | Ships from supplier · Lead time confirmed when you order |
| M-3937555 | — | Interstate-McBee Belt Tensioner for Cummins ISL / ISC - Replaces 3937555 | CUMMINS C/ISC/QSC/ISL/QSL | $144.99 | Ships from supplier · Lead time confirmed when you order |
| M-3937553 | Cummins 3937553 | Interstate-McBee Belt Tensioner for Cummins ISL / ISC - Replaces 3937553 | CUMMINS C/ISC/QSC/ISL/QSL | $129.99 | Ships from supplier · Lead time confirmed when you order |
| 180899E | Cummins 4937433 Cummins 5264111 |
Cummins 6C ENGINES 8.3 BELT TENSIONER | CUMMINS 6C ENGINES 8.3 | $67.54 | Ships from supplier · Lead time confirmed when you order |
| 180892E | Cummins 3281583 Cummins 3934821 Cummins 3936213 +2 more |
Cummins BELT TENSIONER | CUMMINS 4B ENGINES 3.9 CUMMINS 6B ENGINES 5.9 +1 more |
$69.33 | Ships from supplier · Lead time confirmed when you order |
| 180954 | Cummins 3978019 Cummins 4991240 Cummins 3935015 +3 more |
Cummins ISB / QSB / ISC Idler Pulley | CUMMINS ISB ENGINES CUMMINS QSB SERIES ENGINE +2 more |
$151.91 | Ships from supplier · Lead time confirmed when you order |
| 180899 | Cummins 4937433 Cummins 5264111 |
Cummins 6C ENGINES 8.3 BELT TENSIONER | CUMMINS 6C ENGINES 8.3 | $142.71 | Ships from supplier · Lead time confirmed when you order |
| 180893 | Cummins 3911621 Cummins 3922549 Cummins 3922901 +17 more |
Cummins 4B 3.9 / 6B 5.9 / 6C 8.3 Belt Tensioner | CUMMINS 4B ENGINES 3.9 CUMMINS 6B ENGINES 5.9 +1 more |
$128.66 | Ships from supplier · Lead time confirmed when you order |
| 180892 | Cummins 3281583 Cummins 3565151 Cummins 3934821 +8 more |
Cummins 4B 3.9 / 6B 5.9 / 6C 8.3 Belt Tensioner | CUMMINS 4B ENGINES 3.9 CUMMINS 6B ENGINES 5.9 +1 more |
$125.80 | Ships from supplier · Lead time confirmed when you order |
| 180881 | Cummins 3973819 Cummins 5683521 |
Cummins ISC / ISL / KENWORTH T440 Belt Tensioner | CUMMINS ISC ENGINES CUMMINS M2 MODELS +21 more |
$150.09 | Ships from supplier · Lead time confirmed when you order |
| 180879 | Cummins 5270678 Cummins 4929688 |
Cummins 4B 3.9 / 6B 5.9 / 6C 8.3 Belt Tensioner | CUMMINS 4B ENGINES 3.9 CUMMINS 6B ENGINES 5.9 +1 more |
$66.71 | Ships from supplier · Lead time confirmed when you order |
| 180876 | Cummins 3936212 Cummins 3255230 Cummins 4994314 +3 more |
Cummins 6C 8.3 / ISC Belt Tensioner | CUMMINS 6C ENGINES 8.3 CUMMINS ISC ENGINES |
$143.24 | Ships from supplier · Lead time confirmed when you order |
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