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Part Number
9Y3681
TUBE
Category: | Fits: 3306
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Replaceable OEM Parts (Compatible Models)
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CAT 9Y3681 TUBE for 3306 Caterpillar Part - WSTPARTS

WSTPARTS supplies the 9Y3681 TUBE, a CAT Fitting replacement part designed for Caterpillar 3306 applications. It is categorized under Fitting. 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.

9Y3681 TUBE for Caterpillar 3306 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement TUBE (Part # 9Y3681). Designed for CAT 3306 equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT 3306
  • ✔ 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)9Y3681
Product NameTUBE
BrandCAT
Applicable Models3306
Weight1.54 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 9Y3681 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 3306.

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%
9Y-3681 TUBE-RADIATOR INLET CAT parts diagram
Scroll to zoom · Drag to pan
Sel 0
15S-7383BOLT (3/8-16X1.75-IN)
27X-0772WASHER-HARD (10.2X25.5X2.5-MM THK)
32W-9710MOUNT AS
46V-8801NUT (3/8-16-THD)
58T-4896WASHER-HARD (10.2X18.5X2.5-MM THK)
68T-4223WASHER-HARD (13.5X25.5X3-MM THK)In stock
78T-8917BOLT (1/2-13X1.25-IN)
87N-2597SPACER (13.5X25.4X8.08-MM THK)
95P-2566BOLT (1/2-13X1.5-IN)
109Y-6349BRACKET
119M-7959CLAMP-HOSE
129Y-3681TUBE-RADIATOR INLET
135P-1262HOSE (11.4CM EACH)
147C-8385RADIATOR GP
153M-7045PLUG (3/4-14 NPT-THD)
169Y-3682TUBE AS-OUTLET
174M-6425BOLT (5/16-18X1-IN)
186V-8189NUT (5/16-18-THD)
198T-4224WASHER-HARD (8.8X16X2-MM THK)
209Y-6350BRACE
219Y-6351BRACE
227X-0447NUT (7/16-14-THD)
238T-5360WASHER (12X22.5X2.5-MM THK)
247X-0310BOLT (7/16-14X2-IN)
251C-1976WASHER (0.438X1.5X0.075-IN THK)
267T-8332MOUNTING
277C-8630GUARD GP-RADIATOR
287X-0312BOLT (7/16-14X2.5-IN)
297E-1130PLATE AS
308T-1133SEAL (1.5M)
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)
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✉️Emailcat@wstparts.com
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