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Part Number
7W5520
BLOCK
Category: | Fits: C18, C15, 3406C
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Status Stok Available (Contact for Inquiry)
Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
135-3086-8288
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CAT 7W5520 BLOCK for C18 Caterpillar Part - WSTPARTS

Need a dependable Structure part for your Caterpillar C18, C15 and 3406C machine? The 7W5520 BLOCK from WSTPARTS is manufactured to OEM-grade tolerances. It is categorized under Structure. 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.

7W5520 BLOCK for Caterpillar C18 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement BLOCK (Part # 7W5520). Designed for CAT C18, C15, 3406C equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT C18, C15, 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)7W5520
Product NameBLOCK
BrandCAT
Applicable ModelsC18, C15, 3406C
Weight0.59 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 7W5520 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 DiagramC15

Select model:
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C15 · BASIC ENGINE · 186-3651 CAT parts diagram
Scroll to zoom · Drag to pan
Sel 0
16V-2605STUD-TAPERLOCK
29S-8752NUT-FULL (3/8-16-THD)
39H-8260BOLT (1/2-13X6.25-IN)
45P-8245WASHER-HARD (13.5X25.5X3-MM THK)
51F-7958NUT-FULL (1/2-13-THD)
61W-1456PULLEY-ALTERNATOR
71A-1460BOLT (1/2-13X2-IN)
86B-6684NUT-FULL (1/2-20-THD)
95C-2874NUT (M5X0.8-THD)
104N-4941ROD-ADJUSTMENT
118T-0328WASHER-HARD (5.5X10X1-MM THK)
128S-5383BLOCK
138T-4753SCREW (M5X0.8X20-MM)
149S-1366BOLT (1/2-13X2.5-IN)
157W-5520BLOCK
169X-8256WASHER (6.6X12X2-MM THK)
171A-2029BOLT (3/8-16X1.125-IN)
186V-8214BOLT (M6X1X20-MM)
195M-2894WASHER-HARD (10.2X18.5X2.5-MM THK)In stock
206N-0341V-BELT (ALTERNATOR)
211S-9130STUD (3/8-16X3.03-IN)
226V-8801NUT (3/8-16-THD)
238T-0400STEM AS-COLLET
248T-0192BOLT (3/8-16X2.25-IN)
254D-1326LOCKWASHER
268T-4896WASHER-HARD (10.2X18.5X2.5-MM THK)
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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