CAT 2J3506 NUT for C18 Caterpillar Part - WSTPARTS
2J3506 NUT is a Blade component engineered for Caterpillar C18, 3516B and C15 machines, built to match original factory specifications. It is categorized under Blade. Every unit is fitment-verified before dispatch. Manual reference: 325C: IMPLEMENTS, group 193-4844, page 1019; 3306: BASIC ENGINE, group 110-5763, page 215.
2J3506 NUT for Caterpillar C18 — Genuine & OEM Replacement Part
WSTPARTS supplies genuine and high-quality OEM replacement NUT (Part # 2J3506). Designed for CAT C18, 3516B, C15, 3516C, 325C, 3306, 3406E, 3412C, 3512, 3516, 3616, C175, C32, G3608, G3616 equipment.
Compatible Models
Key Features
- ✔ 100% compatible with CAT C18, 3516B, C15, 3516C, 325C, 3306, 3406E, 3412C, 3512, 3516, 3616, C175, C32, G3608, G3616
- ✔ 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) | 2J3506 |
| Product Name | NUT |
| Brand | CAT |
| Applicable Models | C18, 3516B, C15, 3516C, 325C, 3306, 3406E, 3412C, 3512, 3516, 3616, C175, C32, G3608, G3616 |
| Weight | 0.09 kg |
| Condition | New (Genuine / OEM Equivalent) |
| Warranty | 12 Months |
Where This Part Fits
Every row below is a real listing of 2J3506 in the Caterpillar parts manual: the machine it is published under, the system it belongs to, the group number and the manual page. Use it to confirm the part against your own parts book before ordering.
| Machine | System | Group No. | Manual Page |
| 325C | IMPLEMENTS | 193-4844 | p.1019 |
| 3306 | BASIC ENGINE | 110-5763 | p.215 |
| 3406E | BASIC ENGINE | 141-1000 | p.186 |
| 3412C | AIR INLET AND EXHAUST SYSTEM | 145-5571 | p.318 |
| 3512 | COOLING SYSTEM | 032-1268 | p.419 |
| 3516 | COOLING SYSTEM | 134-3533 | p.230 |
| 3516B | COOLING SYSTEM | 274-9356 | p.212 |
| 3516C | AIR INLET AND EXHAUST SYSTEM | 103-6668 | p.270 |
System Notes — IMPLEMENTS
The implements group covers the working attachment and its linkage: bucket or blade, cutting edges, teeth and adapters, pins and bushings, linkage arms, tilt cylinders and the wear plates that protect them. This is the group that actually does the work, so it wears fastest. Cutting edges round off, teeth break at the adapter, and pins and bushings develop play that spreads shock loads back into the linkage. Parts here are replaced on measured wear — pin and bushing clearance, edge thickness, tooth height — rather than on hours, because a worn edge costs fuel and cycle time long before it fails outright.
System Notes — BASIC ENGINE
The basic engine group covers the core structure and internals: cylinder block, cylinder head, pistons, rings, liners, connecting rods, crankshaft, bearings, camshaft and the gasket sets that seal them. These parts determine compression, oil pressure and power output. They wear gradually — rings lose tension, bearings show copper, liners glaze — and the first signs are usually blow-by from the breather, rising oil consumption, or a knock that gets louder as the engine warms. Replacing a basic engine part is a planned overhaul decision rather than a roadside fix, so matching the exact part number and serial number range matters more here than anywhere else on the machine.
FAQ
Is 2J3506 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
