CAT 8T4191 BOLT for 345C Caterpillar Part - WSTPARTS
The 8T4191 BOLT is a genuine and high-quality OEM replacement part compatible with Caterpillar 345C, 345B and 365B equipment. It is categorized under Bolt/Nut. Every unit is fitment-verified before dispatch. Manual reference: 3126B: ELECTRICAL AND STARTING SYSTEM, group 108-3857, page 586; 325C: ELECTRICAL AND STARTING SYSTEM, group 183-1013, page 167.
8T4191 BOLT for Caterpillar 345C — Genuine & OEM Replacement Part
WSTPARTS supplies genuine and high-quality OEM replacement BOLT (Part # 8T4191). Designed for CAT 345C, 345B, 365B, 3126B, 325C, 325D, 330C, 330D, 320C, 320D, 345D equipment.
Compatible Models
Key Features
- ✔ 100% compatible with CAT 345C, 345B, 365B, 3126B, 325C, 325D, 330C, 330D, 320C, 320D, 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) | 8T4191 |
| Product Name | BOLT |
| Brand | CAT |
| Applicable Models | 345C, 345B, 365B, 3126B, 325C, 325D, 330C, 330D, 320C, 320D, 345D |
| Weight | 0.05 kg |
| Condition | New (Genuine / OEM Equivalent) |
| Warranty | 12 Months |
Where This Part Fits
Every row below is a real listing of 8T4191 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 |
| 3126B | ELECTRICAL AND STARTING SYSTEM | 108-3857 | p.586 |
| 325C | ELECTRICAL AND STARTING SYSTEM | 183-1013 | p.167 |
| 325D | ELECTRICAL AND STARTING SYSTEM | 201-4204 | p.228 |
| 330C | AIR INLET AND EXHAUST SYSTEM | 193-2716 | p.148 |
| 330D | AIR INLET AND EXHAUST SYSTEM | 255-2915 | p.107 |
| 336D | AIR INLET AND EXHAUST SYSTEM | 255-2915 | p.115 |
| 345B | ELECTRICAL AND STARTING SYSTEM | 143-1602 | p.188 |
| 345C | AIR INLET AND EXHAUST SYSTEM | 222-8359 | p.110 |
System Notes — ELECTRICAL AND STARTING SYSTEM
The electrical and starting system covers the battery, starter motor, alternator, wiring harness, relays, switches and the instrument panel. It carries current from the batteries to the starter to crank the engine, and from the alternator back to keep the batteries charged. Because these machines work in dust, vibration and wide temperature swings, connectors corrode, harness insulation chafes against the frame, and starter solenoids burn out from repeated short cranks. Parts in this group are usually replaced on a symptom basis — slow cranking, a dash warning, lights that dim under load, or a no-start condition traced to an open circuit.
System Notes — AIR INLET AND EXHAUST SYSTEM
The air inlet and exhaust system covers the air cleaner housing and elements, intake piping, turbocharger, aftercooler, exhaust manifold, turbo mounting hardware and gaskets. It delivers clean, dense air and carries hot gas away. On this group, the two dominant failures are dust ingress and heat cycling: a leaking intake joint lets unfiltered air straight into the cylinders and dusts the rings in a few hundred hours, while exhaust manifold and turbo flange gaskets crack from repeated heat cycles and start whistling or sooting. Parts are replaced when boost drops, the intake tract shows dust trails past the filter, or a soot streak appears at a joint.
FAQ
Is 8T4191 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 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
