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Part Number
7X3391
WASHER HAR
Category: — | Fits: 3406C
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Replaceable OEM Parts (Compatible Models)
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CAT 7X3391 WASHER HAR for 3406C Caterpillar Part - WSTPARTS

WSTPARTS supplies the 7X3391 WASHER HAR, a CAT Bolt/Nut replacement part designed for Caterpillar 3406C applications. It is categorized under Bolt/Nut. Every unit is fitment-verified before dispatch, backed by factory-direct pricing and warranty coverage. Contact our parts team with your machine serial number for a fast quotation.

7X3391 WASHER HAR for Caterpillar 3406C — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement WASHER HAR (Part # 7X3391). Designed for CAT 3406C equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT 3406C
  • ✔ 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)7X3391
Product NameWASHER HAR
BrandCAT
Applicable Models3406C
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 7X3391 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 for CAT 3406C.

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%
7X-3391 WASHER-HARD (13.5X32X6-MM THK) CAT parts diagram
Scroll to zoom · Drag to pan
Sel 0
16N-7688BRACKET AS-FAN
24N-0684DOWEL
31P-9946SHAFT-FAN
49N-5120BRACKET
58T-2502BOLT (3/8-16X1.125-IN)
64N-2372ADAPTER-BRACKET
78L-5213BOLT (3/8-16X4-IN)
87X-0328BOLT (1/2-13X3.5-IN)
92P-9084STUD-TAPERLOCK (1/2-13X0.83-IN, 1/2-13X0.98-IN)
107X-3391WASHER-HARD (13.5X32X6-MM THK)
116V-8188NUT (1/2-13-THD)In stock
127N-8827HUB
135S-9062SPACER (35.032X50.8X15.88-MM THK)
145S-2106SEAL-LIP TYPE
158H-9789BEARING AS-BALL
168N-5305SPACER (35.6X47.62X43.74-MM THK)
173L-1425BALL BEARING
187N-2900RETAINER
195P-7979BOLT-LOCKING (5/16-24X2.25-IN)
209F-4446SEAL-O-RINGIn stock
214N-2370ADAPTER-FAN
224N-6289PULLEY-FAN DRIVE
238T-9377BOLT (3/8-16X2.25-IN)
244N-8217V-BELT SET (INCLUDES 2-BELTS) (FAN DRIVE)
254B-4550FITTING-PRESSURE RELIEF (1/8-27 PTF) (FAN DRIVE)
262D-4867FITTING-GREASE (FAN DRIVE)In stock
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
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✉️Emailcat@wstparts.com
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