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Part Number
4W3901
ROTOR KIT
Category:
List Price
Connexion or S'inscrire required
Sale Price
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État du stock Available (Contact for Inquiry)
Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
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CAT 4W3901 ROTOR KIT Caterpillar Part - WSTPARTS

4W3901 ROTOR KIT — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement ROTOR KIT (Part # 4W3901). Designed for CAT Caterpillar equipment.

Key Features

  • ✔ 100% compatible with CAT matching models
  • ✔ Meets Caterpillar original quality and performance standards
  • ✔ Genuine CAT parts with anti-counterfeit label | OEM alternatives with warranty
  • ✔ Available for order, contact for lead time

Specifications

Part Number (MPN)4W3901
Product NameROTOR KIT
BrandCAT
Weight0.41 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 4W3901 the right part for my machine?
Match the part number on your old part, or send us your equipment serial number — WSTPARTS verifies fitment free of charge.

Genuine vs OEM replacement — what is the difference?
Genuine CAT parts carry an anti-counterfeit label. OEM equivalents are built to the same specifications, bench-tested and supplied with full warranty at a better price.

Stock, shipping and warranty?
Lead time confirmed on request; we quote the fastest available option. Every order is covered by a 12-month warranty.

📞 Get a Quote: Contact the WSTPARTS parts team | Email: cat@wstparts.com

Parts Diagram

100%
3306 · GENERATORS · 109-3770 CAT parts diagram
Scroll to zoom · Drag to pan
Sel 0
17E-8266HOLDER AS-FUSE
29Y-6027FUSE-CERAMIC (10-AMPERE)
34W-9449FILM-INFORMATION (GENERATOR WIRING DIAGRAM)
46I-0748DEFLECTOR
54P-3402STATOR AS
61B-2714BOLT (1/4-20X2.5-IN)
74W-3901KIT-ROTOR BALANCE WEIGHT (GENERATOR) (INCLUDES SCREWS, NUTS & WASHERS)
89Y-5081KIT-STATOR REWIND (INCLUDES TOPSTICKS, SLOT LINERS, LEADS, LUGS, SEPARATORS, SLEEVES, CONNECTORS, CORD, TAPE, VARNISH & EPOXY RESIN)
97E-7233KIT-GENERATOR HARDWARE (INCLUDES SCREWS, WASHERS, LOCKWASHERS, PLUGS, LUGS & NUTS)
104C-6715KIT-RECTIFIER SILICONE (INCLUDES A TUBE OF SILICONE & A BOTTLE OF PRIMER)
Quality Guarantee
Warranty Period 12 months / under normal use
After-sales Response Response within 24h, solution within 48h
Return Policy Return or exchange within 7 days of receipt (original packaging required)
Quality Inspection 100% inspected before shipment; inspection report on request
Technical Support Free installation guidance; engineer support online
📦 Packaging
Packing Method Genuine or neutral packaging available
Protective Packing Shock-proof & moisture-proof materials
Part Number Label Individual part number label
Customization Custom carton marking supported
After-Sales Service Process
01
Contact Us
Describe issue / send photos
02
Engineer Review
Solution within 24h
03
Confirm Solution
Return, repair or replacement
04
Case Closed
Send-back / re-ship / refund
Apply for After-Sales Service
Online Support ● Online
🕐 Mon-Sat 9:00-18:00 (GMT+8)
🐧QQ362655919 💚WeChatWSTPARTS Support 💬WhatsApp13530868288 📞Phone135-3086-8288
✉️Emailcat@wstparts.com
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