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Part Number
1003639
HARNESS A
Category: — | Fits: 3512
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 1003639 HARNESS A for 3512 Caterpillar Part - WSTPARTS

WSTPARTS supplies the 1003639 HARNESS A, a CAT Wiring Harness replacement part designed for Caterpillar 3512 applications. It is categorized under Wiring Harness. 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.

1003639 HARNESS A for Caterpillar 3512 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement HARNESS A (Part # 1003639). Designed for CAT 3512 equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT 3512
  • ✔ 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)1003639
Product NameHARNESS A
BrandCAT
Applicable Models3512
Weight0.77 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 1003639 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 3512.

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%
3512 · ELECTRICAL AND STARTING SYSTEM · 174-1417 CAT parts diagram
Scroll to zoom · Drag to pan
Sel 0
16I-0757JUNCTION BOX AS
22W-8603MOUNT-SHOCK
32N-2258RIVET-POP
44F-8711PLUG (39.69MM DIA)
56I-0897PLATE
62W-8803STRIP-MARKER
72W-8602STRIP-TERMINAL
82W-8684STRIP-MARKER
94B-2047NUT (10-24 THD)
102N-3480SCREW-MACHINE (10-24X.75IN)
117W-2743SWITCH AS (OVERSPEED)
121P-7326WASHER (1.52MM THK)
136V-6790SCREW-WASHER HEAD
142W-4480BOOT-SWITCH
156V-6789SCREW-WASHER HEAD
166V-6792SCREW-MACHINE
176V-8374SCREW-MACHINE (6-32X.25IN)
188M-8468SEAL-O-RING
191L-6561PLUG
205N-9222MANIFOLD-PRESSURE
217L-0688BOLT-SOCKET HEAD (10-24X1.2IN)
226V-2673CAP-PROTECTION
233J-1907SEAL-O-RING (11.89MM ID)In stock
249S-4684PLUG-O-RING
254W-7957PLATE GP-IDENTIFICATION
269X-4276SWITCH AS-PRESSURE (OIL)
277N-7779SOCKETIn stock
287N-7780PIN-CONNECTOR (BLADE)In stock
297N-7781HOUSING-RECEPTACLE
304W-3969BRACKET-RETAINER
314B-1226SCREW-MACHINE (10-24X6.35MM)
325N-5159JUMPER-STRIP
336T-6651SWITCH AS (OIL PRESSURE)
347W-0088FILM-STOP
356T-3644CIRCUIT BREAKER AS (20 AMP)In stock
366V-8376SCREW-MACHINE (8-32X.25IN)In stock
379B-7233LOCKWASHER (NO.8)
386T-3642CIRCUIT BREAKER AS (10 AMP)
399X-8486SCREW-MACHINE (8-32X.75IN)In stock
407W-1170CLAMP
417W-1171CLAMP
422W-8802STRIP-SEAL
432W-0394CLAMP
445N-4988DIODE AS
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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