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Part Number
9Y1603
SPACER
Category: | Fits: C18, C15
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Replaceable OEM Parts (Compatible Models)
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CAT 9Y1603 SPACER for C18 Caterpillar Part - WSTPARTS

Need a dependable Bolt/Nut part for your Caterpillar C18 and C15 machine? The 9Y1603 SPACER from WSTPARTS is manufactured to OEM-grade tolerances. It is categorized under Bolt/Nut. 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.

9Y1603 SPACER for Caterpillar C18 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement SPACER (Part # 9Y1603). Designed for CAT C18, C15 equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT C18, C15
  • ✔ 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)9Y1603
Product NameSPACER
BrandCAT
Applicable ModelsC18, C15
Weight0.14 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 9Y1603 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
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Sel 0
18N-6677BRACKET
21B-4430NUT-JAM (1/2-20-THD)
38S-5383BLOCK
44N-8216V-BELT (ALTERNATOR)In stock
50S-1587BOLT (1/2-13X1.75-IN)
65P-8245WASHER-HARD (13.5X25.5X3-MM THK)
70S-1585BOLT (1/2-13X1.5-IN)
81F-7958NUT-FULL (1/2-13-THD)
99X-8256WASHER (6.6X12X2-MM THK)
105M-2894WASHER-HARD (10.2X18.5X2.5-MM THK)In stock
116V-8214BOLT (M6X1X20-MM)
121A-5183BOLT (3/8-16X4.75-IN)
130S-1571BOLT (3/8-16X1.75-IN)
141A-1460BOLT (1/2-13X2-IN)
154N-4943BRACKET
161W-1456PULLEY-ALTERNATOR
175R-2994ROD-PULLEY ADJUSTMENT
189Y-1603SPACER (7.9-MM THK)
190T-0055BOLT (3/8-16X4.25-IN)
200L-1365WASHER (1.6-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
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