CAT 8T4136 BOLT for 345C Caterpillar Part - WSTPARTS
The 8T4136 BOLT is a genuine and high-quality OEM replacement part compatible with Caterpillar 345C, C18 and 345B equipment. It is categorized under Bolt/Nut. Every unit is fitment-verified before dispatch. Manual reference: 3056: OPERATOR STATION, group 213-1019, page 370; 3126B: BASIC ENGINE, group 113-6170, page 209.
8T4136 BOLT for Caterpillar 345C — Genuine CAT & Replacement Part
WSTPARTS supplies genuine CAT and OEM-equivalent direct-replacement BOLT (Part # 8T4136). Designed for CAT 345C, C18, 345B, 3126B, 325C, 325D, 330C, 330D, 365B, 320C, 320D, 345D equipment.
Compatible Models
Key Features
- ✔ 100% compatible with CAT 345C, C18, 345B, 3126B, 325C, 325D, 330C, 330D, 365B, 320C, 320D, 345D
- ✔ 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) | 8T4136 |
| Product Name | BOLT |
| Brand | CAT |
| Applicable Models | 345C, C18, 345B, 3126B, 325C, 325D, 330C, 330D, 365B, 320C, 320D, 345D |
| Weight | 0.05 kg |
| Condition | New (Genuine CAT / OEM-equivalent direct replacement) |
| Warranty | 12 Months |
Where This Part Fits
Every row below is a real listing of 8T4136 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 |
| 3056 | OPERATOR STATION | 213-1019 | p.370 |
| 3126B | BASIC ENGINE | 113-6170 | p.209 |
| 325C | BASIC ENGINE | 142-8100 | p.40 |
| 325D | BASIC ENGINE | 115-4203 | p.33 |
| 330C | LUBRICATION SYSTEM | 193-2719 | p.93 |
| 330D | LUBRICATION SYSTEM | 239-6409 | p.74 |
| 336D | LUBRICATION SYSTEM | 239-6409 | p.88 |
| 3412C | COOLING SYSTEM | 170-8440 | p.276 |
System Notes — OPERATOR STATION
The operator station covers the cab structure, seat and suspension, glass, wipers, door hardware, pedals, joysticks, armrests, HVAC ducting and the interior trim. It is the group that decides how tolerable a ten-hour shift feels. Wear here is driven by daily entry and exit, sun exposure and dust: seat suspensions sag, door struts lose charge, wiper linkages seize, and rubber seals harden until the cab leaks in rain. Parts in this group are replaced when a control feels vague, a latch no longer holds, or the cab no longer keeps dust and water out — small items, but the ones operators complain about first.
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 8T4136 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 345C.
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
