CAT 9X2119 BOLT for 3512 Caterpillar Part - WSTPARTS
WSTPARTS supplies the 9X2119 BOLT, a CAT Bolt/Nut replacement part designed for Caterpillar 3512, 3412C and C27 applications. It is categorized under Bolt/Nut. Every unit is fitment-verified before dispatch. Manual reference: 3412C: GENERATORS, group 149-2429, page 788; 3512: BASIC ENGINE, group 268-6475, page 75.
9X2119 BOLT for Caterpillar 3512 — Genuine CAT & Replacement Part
WSTPARTS supplies genuine CAT and OEM-equivalent direct-replacement BOLT (Part # 9X2119). Designed for CAT 3512, 3412C, C27, 3512C equipment.
Compatible Models
Key Features
- ✔ 100% compatible with CAT 3512, 3412C, C27, 3512C
- ✔ Meets Caterpillar original quality and performance standards
- ✔ Genuine CAT lines: New Genuine / Cat Reman / Cat Classic | OEM-equivalent direct replacements
- ✔ Available for order, contact for lead time
Specifications
| Part Number (MPN) | 9X2119 |
| Product Name | BOLT |
| Brand | CAT |
| Applicable Models | 3512, 3412C, C27, 3512C |
| Weight | 0.27 kg |
| Condition | New (Genuine CAT / OEM-equivalent direct replacement) |
| Warranty | 12 Months |
Where This Part Fits
Every row below is a real listing of 9X2119 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 |
| 3412C | GENERATORS | 149-2429 | p.788 |
| 3512 | BASIC ENGINE | 268-6475 | p.75 |
| 3512C | ENGINE ARRANGEMENT | 271-2592 | p.87 |
| C27 | GENERATORS | 136-6579 | p.448 |
| 3412C | GENERATORS | 149-2430 | p.790 |
| 3512C | GENERATORS | 247-0305 | p.416 |
| C27 | GENERATORS | 136-6580 | p.450 |
| 3412C | GENERATORS | 149-2431 | p.792 |
System Notes — GENERATORS
The generators group covers the alternator end of a generator set: stator, rotor, exciter, bearings, coupling disc, terminal box and the voltage regulation hardware. It converts engine rotation into electrical output at a held voltage and frequency. Bearing wear and insulation degradation are the two long-term concerns — a bearing that starts to rumble will eventually seize and take the rotor with it, while moisture and heat slowly break down winding insulation. Parts in this group are replaced when vibration rises, when insulation resistance falls on a megger test, or when output voltage becomes unstable under load.
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 9X2119 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 CAT vs direct replacement — what is the difference?
Genuine CAT covers three factory lines: New Genuine, Cat Reman (core exchange with core charge) and Cat Classic (brand-new economy line). OEM-equivalent direct replacements are non-CAT parts; grade and warranty are confirmed in the quotation.
Stock, shipping and warranty?
Lead time confirmed on request; we quote the fastest available option. Every order is covered by a warranty per quotation.
📞 Get a Quote: Contact the WSTPARTS parts team | Email: cat@wstparts.com
