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Part Number
7X0579
WASHER
Category: — | Fits: C18, 3306, C27, 3126B, 3406C, C32, 345D
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Fits Equipment Models (9)
3126B 3306 3406C 345D 3516B 3516C C18 C27 C32

CAT 7X0579 WASHER fits Caterpillar 3126B, 3306, 3406C, 345D, 3516B, 3516C and 3 more models. Available for order at WSTPARTS.

Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
135-3086-8288
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CAT 7X0579 WASHER for C18 Caterpillar Part - WSTPARTS

WSTPARTS supplies the 7X0579 WASHER, a CAT Bolt/Nut replacement part designed for Caterpillar C18, 3306 and C27 applications. 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.

7X0579 WASHER for Caterpillar C18 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement WASHER (Part # 7X0579). Designed for CAT C18, 3306, C27, 3126B, 3406C, C32, 345D equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT C18, 3306, C27, 3126B, 3406C, C32, 345D
  • ✔ 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)7X0579
Product NameWASHER
BrandCAT
Applicable ModelsC18, 3306, C27, 3126B, 3406C, C32, 345D
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 7X0579 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

Frequently Asked Questions
What equipment does 7X0579 fit?
CAT 7X0579 WASHER fits 9 Caterpillar equipment models including 3126B, 3306, 3406C, 345D, 3516B, verified against Caterpillar parts manuals and confirmed orders.
Is 7X0579 a genuine CAT part?
WSTPARTS supplies genuine CAT parts as well as quality-tested aftermarket alternatives. Contact our sales team for current availability and options for 7X0579.
How can I order 7X0579?
Add 7X0579 to the inquiry cart or contact us with your equipment model and serial number. We ship worldwide and support part number verification.

Parts Diagram3406C

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3406C · COOLING SYSTEM · 126-8325 CAT parts diagram
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14W-0662SUPPORT-RADIATOR-RH
24W-0661SUPPORT-RADIATOR-LH
37X-0382BOLT (7/8-9X2.25-IN)
48C-6913WASHER-HARD (24X41.5X4-MM THK)
57E-9803GUARD AS-FAN
64M-0061BOLT (5/16-18X0.75-IN)
77X-0579WASHER-HARD (8.8X25.5X2-MM THK)
82K-4973LOCKNUT (3/8-16-THD)
95P-1075WASHER-HARD (10.2X22.5X3-MM THK)
105P-2566BOLT (1/2-13X1.5-IN)
117X-0568WASHER-HARD (13.5X25.5X5-MM THK)
124L-4859COVER-TANK SIDE (3MM THK)
134L-6454BOLT (3/8-16X1-IN)
147N-9859BRACE-RADIATOR (LH)
157N-9860BRACE-RADIATOR (RH)
164N-3311CAP-PRESSURE (7-PSI) (RADIATOR)
178T-6764PLUG-PIPE (1/8-27-THD)
184L-5757STRAP
195M-3062BOLT (3/8-16X0.75-IN)
207X-0310BOLT (7/16-14X2-IN)
218T-5360WASHER (12X22.5X2.5-MM THK)
228D-0983MOUNTING AS-VIBRATION ISOLATOR
237X-0447NUT (7/16-14-THD)
249B-7237BOLT (3/8-16X1.25-IN)In stock
251B-8471CLIP
265P-1908HOSE (1.7M)
274N-3306PLATE-RADIATOR BRACE
284N-0205SPACER (0.42X0.75X0.6-IN THK)
297N-9863BRACKET
307N-9864BRACKET
312W-6964PLATE
324N-1418GASKET-RADIATOR INLET AVAILABLE REPAIR KIT(S):
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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