Shopping for: Confirm the part against your engine serial number and application before ordering.
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Cummins 4B / ISB 4.5 Belts & Pulleys
Belts & Pulleys for Cummins 4B / ISB 4.5 engines. Every part in this collection is listed for the 4B, 4BT by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.
7 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 |
|---|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
Got a Number We Don't List?
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