Genuine Cummins 3965147 Alternator Pulley | 8-Groove Serpentine
SKU 3965147
In stock: 1 available · Ships from Kelowna BC
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Match the listed SKU and verified cross-references to your current part number. If fitment is not listed, send AIM Rentals the machine details and current part number before ordering.
Genuine Cummins 3965147 Alternator Pulley | 8-Groove Serpentine
The Cummins 3965147 is a genuine Cummins alternator pulley for the serpentine (multi-rib) belt drive system on Cummins diesel engines. This solid steel pulley features 8 grooves and mounts to the alternator shaft to drive the alternator via the engine serpentine belt. Stocked in Kelowna, BC and ships Canada-wide.
Specifications
- Part Number: 3965147
- Brand: Cummins (genuine OEM)
- Type: Alternator Pulley
- Groove Type: Serpentine (multi-rib)
- Number of Grooves: 8
- Groove OD: 2.583 in (65.6 mm)
- Overall OD: 2.756 in (70 mm)
- Shaft ID (bore): 0.875 in (22.22 mm)
- Keyway Width: 4 mm
- Thickness: 43.5 mm
- Construction: Solid steel
Fitment
Designed for Cummins diesel engines that use a serpentine belt-driven alternator. Compatible with alternators on Cummins ISB, ISC, ISL, and related engine families where this OEM pulley is specified. Confirm fitment against engine serial number (ESN) and CPL code.
Cross-References
- Cummins alternate: 3926859
FAQ
Is 3965147 a genuine Cummins part?
Yes. This is confirmed as a genuine Cummins OEM alternator pulley, available through Cummins dealers and verified heavy-duty parts suppliers.
What belt type does this pulley use?
The 3965147 uses an 8-rib serpentine (poly-V) belt. Ensure your serpentine belt matches the 8-groove profile.
How do I confirm this is the right pulley for my engine?
Compare the groove OD (2.583 in / 65.6 mm), bore (0.875 in / 22.22 mm), and groove count (8) with your existing pulley or Cummins service documentation for your CPL code.
Do you ship across Canada?
Yes. Stocked in Kelowna, BC and ships Canada-wide with fast transit times.
| Make | Model | Year | Engine / Spec |
|---|---|---|---|
| ["QSM11"] | |||
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Ships from Kelowna BC after order review.
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