Shopping for: Confirm the part against your engine serial number and application before ordering.
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Cummins ISB / QSB / 6B 5.9 / 6.7 Belts & Pulleys
Belts & Pulleys for Cummins ISB / QSB / 6B 5.9 / 6.7 engines. Every part in this collection is listed for the 6B, 6BT, ISB, QSB by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.
20 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 |
|---|---|---|---|---|---|
| 180898 | Cummins 3680515 Cummins 4026776 Cummins 4059203 |
Cummins ISB ENGINES BELT TENSIONER | CUMMINS ISB ENGINES | Call for price | Request lead time |
| 180869 | Cummins 3991495 Cummins 5333484 |
Cummins 6.7L CUMMINS BELT TENSIONER | CUMMINS 6.7L CUMMINS | Call for price | Request lead time |
| 180898OEM | Cummins 4059203 Cummins 3680515 Cummins 4026776 |
Cummins ISB ENGINES BELT TENSIONER | CUMMINS ISB ENGINES | $711.45 | 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 |
| 180891E | Cummins 3914086 Cummins 3917485 Cummins 3922900 +6 more |
Cummins BELT TENSIONER | CUMMINS 4B ENGINES 3.9 CUMMINS 6B ENGINES 5.9 |
$65.58 | Ships from supplier · Lead time confirmed when you order |
| 180883E | Cummins 4891116 Cummins 4987964 |
Cummins ISB ENGINES BELT TENSIONER | CUMMINS ISB ENGINES | $109.85 | Ships from supplier · Lead time confirmed when you order |
| 180882E | Cummins 3287277 Cummins 3910707 Cummins 3914854 +6 more |
Cummins ISB ENGINES TENSIONER,Belt (Serpentine Belt,8 groove) | CUMMINS ISB ENGINES | $113.93 | 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 |
| 180897 | Cummins 3680194 Cummins 4026775 Cummins 4059201 +1 more |
Cummins ISX / QSX / ISB Belt Tensioner | CUMMINS ISX SERIES CUMMINS QSX ENGINE +1 more |
$177.55 | 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 |
| 180891 | Cummins 3902717 Cummins 3904370 Cummins 3907469 +15 more |
Cummins TENSIONER | CUMMINS 4B ENGINES 3.9 CUMMINS 6B ENGINES 5.9 |
$106.72 | Ships from supplier · Lead time confirmed when you order |
| 180890 | Cummins 3921524 Cummins 3924026 Cummins 3929428 +11 more |
Cummins 4B 3.9 / 6B 5.9 Belt Tensioner | CUMMINS 4B ENGINES 3.9 CUMMINS 6B ENGINES 5.9 |
$103.10 | Ships from supplier · Lead time confirmed when you order |
| 180887 | Cummins 3917440 Cummins 3934819 Cummins 3936205 +1 more |
Cummins ISB Belt Tensioner | CUMMINS ISB ENGINES | $159.28 | Ships from supplier · Lead time confirmed when you order |
| 180886 | Cummins 3912254 Cummins 3935819 Mack 2428-89403 |
Cummins ISB / QSB Belt Tensioner | CUMMINS ISB ENGINES CUMMINS QSB SERIES ENGINE |
$118.31 | Ships from supplier · Lead time confirmed when you order |
| 180884 | Cummins 3947574 Mack 2428-89362 |
Cummins ISB Belt Tensioner | CUMMINS ISB ENGINES | $167.47 | Ships from supplier · Lead time confirmed when you order |
| 180883 | Cummins 4891116 Cummins 4987964 Cummins 4898548 |
Cummins ISB Belt Tensioner | CUMMINS ISB ENGINES | $292.07 | Ships from supplier · Lead time confirmed when you order |
| 180882 | Cummins 3287277 Cummins 3910707 Cummins 3914854 +6 more |
Cummins ISB Tensioner,Belt (Serpentine Belt,8 Groove) | CUMMINS ISB ENGINES | $177.28 | 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 |
| 180944 | Cummins 3400884 Cummins 3400883 |
Cummins 6B 5.9 / ISB / QSB Idler Pulley | CUMMINS 6B ENGINES 5.9 CUMMINS ISB ENGINES +1 more |
$55.98 | Ships from supplier · Lead time confirmed when you order |
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