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Part Number
8N3665
KIT-SEAL
Category: —
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Replaceable OEM Parts (Compatible Models)
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CAT 8N3665 KIT-SEAL Caterpillar Part - WSTPARTS

8N3665 KIT-SEAL — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement KIT-SEAL (Part # 8N3665). 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)8N3665
Product NameKIT-SEAL
BrandCAT
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 8N3665 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 Diagram3406C

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3406C · BASIC ENGINE · 354-7531 CAT parts diagram
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11N-3522CRANKSHAFT-AIR COMPRESSOR
21B-8714KEY-WOODRUFF
31N-2998ADAPTER AS
45M-6214PLUG-PIPEIn stock
57N-0243LOCK-ROD BOLT
66N-2099CRANKCASE AS-AIR COMPRESSOR
77N-6172BUSHING-COMPRESSOR
89M-0381INSERT-INLET VALVE
92B-0858PLUG-PIPE
106N-2098GASKET-CYLINDER HEAD
115M-6509SEAL-O-RING
127N-4837PISTON AS-COMPRESSOR (EACH INCLUDES)
131W-2803PLUG
146N-2100COVER AS-REAR
156N-2106ROD AS-CONNECTING
166N-0634GASKET-COVER
176N-6949COVER-CRANKCASE
180T-0102BOLT (3/8-16X0.625-IN)
193B-4506LOCKWASHER
203B-4507LOCKWASHER
210S-1619BOLT (3/8-16X3-IN)
225P-0060BOLT (7/16-14X0.75-IN)
236N-2097HEAD AS-COMPRESSOR
243J-5390PLUG AVAILABLE REPAIR KIT(S):
258N-3665KIT-SEAL (AIR COMPRESSOR) (INCLUDES SEALS AND RETAINING RINGS)
268N-3666KIT-AIR COMPRESSOR (INCLUDES PISTONS, GUIDES, PLUNGER, SEAT, SPRING, SADDLE, RINGS, BOLTS, LOCKWASHERS, LOCK, BEARING, VALVE, GASKET & BUTTONS)
276N-2109KIT-PISTON RING (AIR COMPRESSOR)
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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