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Part Number
9N1202
DIODE ASSY
Category: | Fits: C18, C15, C9, 3412C, C7
List Price
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Sale Price
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Estado do stock Available (Contact for Inquiry)
Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
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CAT 9N1202 DIODE ASSY for C18 Caterpillar Part - WSTPARTS

WSTPARTS supplies the 9N1202 DIODE ASSY, a CAT Electrical System replacement part designed for Caterpillar C18, C15 and C9 applications. It is categorized under Electrical System. 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.

9N1202 DIODE ASSY for Caterpillar C18 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement DIODE ASSY (Part # 9N1202). Designed for CAT C18, C15, C9, 3412C, C7 equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT C18, C15, C9, 3412C, C7
  • ✔ 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)9N1202
Product NameDIODE ASSY
BrandCAT
Applicable ModelsC18, C15, C9, 3412C, C7
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 9N1202 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 C18.

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 DiagramC18

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C18 · ELECTRICAL AND STARTING SYSTEM · 241-2422 CAT parts diagram
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11B-5174PLUG-PIPE
27B-3235BOLT (1/2-13X1.375IN)
35P-3499BALL BEARING
45P-6920BEARING-ROLLER
52F-7771KEY-SQUARE
67N-7806COIL AS-FIELD
75N-3334CLUTCH GP
89G-5578STATOR AS
93H-5368BOLT (7/16-14X1.375IN)
107N-7795COLLAR
117N-7810FRAME AS-DRIVE END
126V-2202BALL BEARING
139L-2140PLATE
147X-3353SCREW-HEX HEAD (10X24X19.05-MM)
157N-7800ROTOR AS
169L-2139WASHER-FELT
173E-5454FAN-ALTERNATOR
189S-2437SCREW-TAPPING (10-24X19.05-MM)
199L-2137RETAINER AS
208F-1434LOCKWASHER
217N-9024BOLT (M10X24X63.5-MM)
227N-7805HOUSINGIn stock
237N-7809PLATE
248T-4205WASHER-HARD (7.2X14.5X2-MM THK)
259B-7233LOCKWASHER
269L-6770CAP (ALTERNATOR RELAY TERMINAL)
276N-1872SCREW AS (8-32X1.25-IN)
287N-9023SCREW AS (8-32X26.9-MM)
293T-6354REGULATOR AS-VOLTAGE (24-VOLT) (VOLTAGE)
306V-8377NUT (8-32-THD)
317N-7811CONNECTOR
328T-0328WASHER-HARD (5.5X10X1-MM THK)
339N-1202DIODE AS
347N-9021SCREW AS (8-32X1.34-IN)
357N-7796BUSHING-TERMINAL
367N-7802CAPACITOR AS
377N-7798CONNECTOR
387N-7801CONNECTOR
399S-2544SCREW-HEX HEAD (8-32X11.13-MM)
401H-3244LOCKWASHER
416V-8187NUT (1/4-28-THD)
427N-7807KIT-OUTPUT TERMINAL (ALTERNATOR) (INCLUDES INSULATOR, SCREWS, WASHERS, LOCKWASHERS, NUTS AND ADAPTERS)
437N-7808KIT-RELAY TERMINAL (ALTERNATOR) (INCLUDES STUDS, BUSHINGS, WASHERS AND NUT ASSEMBLY)
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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