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Part Number
4M6646
PIN
Category: | Fits: 3512, 3306, G3508, 3412C
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Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
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CAT 4M6646 PIN for 3512 Caterpillar Part - WSTPARTS

Need a dependable Pin/Bushing part for your Caterpillar 3512, 3306 and G3508 machine? The 4M6646 PIN from WSTPARTS is manufactured to OEM-grade tolerances. It is categorized under Pin/Bushing. 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.

4M6646 PIN for Caterpillar 3512 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement PIN (Part # 4M6646). Designed for CAT 3512, 3306, G3508, 3412C equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT 3512, 3306, G3508, 3412C
  • ✔ 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)4M6646
Product NamePIN
BrandCAT
Applicable Models3512, 3306, G3508, 3412C
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 4M6646 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 Diagram3412C

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100%
3412C · AIR INLET AND EXHAUST SYSTEM · 102-0290 CAT parts diagram
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Sel 0
19M-8919RING-SEAL
21N-3365COLLAR-THRUST
31N-3557RING-SEAL
44W-1224HOUSING AS-BEARING
54M-6646PIN-GROOVED
65P-7234RING-RETAINING
74W-1223SHAFT AS-TURBINE
81N-3712BEARING-THRUST
92J-3118BOLT-LOCKING (3/8-16X1.25-IN)
107E-0478WHEEL
111N-3411LOCKNUT-TURBOCHARGER (7/16-20-THD)
121N-3505SPACER-THRUST
134W-1329SHROUD AVAILABLE REPAIR KIT(S):
141N-3593KIT-BEARING (TURBOCHARGER CARTRIDGE)
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)
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✉️Emailcat@wstparts.com
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