CAT 3S9643 SEAL for C18 Caterpillar Part - WSTPARTS
Need a dependable replacement part for your Caterpillar C18, 3516B and C15 machine? The 3S9643 SEAL from WSTPARTS is manufactured to OEM-grade tolerances. 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.
3S9643 SEAL for Caterpillar C18 — Genuine & OEM Replacement Part
WSTPARTS supplies genuine and high-quality OEM replacement SEAL (Part # 3S9643). Designed for CAT C18, 3516B, C15, 3516C, 330C, 3406C, 3406E, 3412C, 3508C, 3512, 3512C, 3606, 3608, 3616, 365B, C27, C32, C9, G3508, G3608, G3612, G3616, 330D, 345B, 345D equipment.
Compatible Models
Key Features
- ✔ 100% compatible with CAT C18, 3516B, C15, 3516C, 330C, 3406C, 3406E, 3412C, 3508C, 3512, 3512C, 3606, 3608, 3616, 365B, C27, C32, C9, G3508, G3608, G3612, G3616, 330D, 345B, 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) | 3S9643 |
| Product Name | SEAL |
| Brand | CAT |
| Applicable Models | C18, 3516B, C15, 3516C, 330C, 3406C, 3406E, 3412C, 3508C, 3512, 3512C, 3606, 3608, 3616, 365B, C27, C32, C9, G3508, G3608, G3612, G3616, 330D, 345B, 345D |
| Weight | 0.05 kg |
| Condition | New (Genuine / OEM Equivalent) |
| Warranty | 12 Months |
FAQ
Is 3S9643 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