CAT 6B6863 DOWEL for C18 Caterpillar Part - WSTPARTS
6B6863 DOWEL is a Pin component engineered for Caterpillar C18, C15 and G3616 machines, built to match original factory specifications. It is categorized under Pin. Every unit is fitment-verified before dispatch. Manual reference: 3606: AIR INLET AND EXHAUST SYSTEM, group 189-4427, page 138; 3616: AIR INLET AND EXHAUST SYSTEM, group 115-0441, page 177.
6B6863 DOWEL for Caterpillar C18 — Genuine CAT & Replacement Part
WSTPARTS supplies genuine CAT and OEM-equivalent direct-replacement DOWEL (Part # 6B6863). Designed for CAT C18, C15, G3616, 3616, G3608 equipment.
Compatible Models
Key Features
- ✔ 100% compatible with CAT C18, C15, G3616, 3616, G3608
- ✔ Meets Caterpillar original quality and performance standards
- ✔ Genuine CAT lines: New Genuine / Cat Reman / Cat Classic | OEM-equivalent direct replacements
- ✔ In stock, ready to ship
Specifications
| Part Number (MPN) | 6B6863 |
| Product Name | DOWEL |
| Brand | CAT |
| Applicable Models | C18, C15, G3616, 3616, G3608 |
| 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 6B6863 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 |
| 3606 | AIR INLET AND EXHAUST SYSTEM | 189-4427 | p.138 |
| 3616 | AIR INLET AND EXHAUST SYSTEM | 115-0441 | p.177 |
| C15 | OPERATOR STATION | 241-0470 | p.1015 |
| C18 | OPERATOR STATION | 241-0470 | p.579 |
| G3616 | AIR INLET AND EXHAUST SYSTEM | 106-9709 | p.484 |
| G3608 | AIR INLET AND EXHAUST SYSTEM | 130-1860 | p.310 |
| C15 | OPERATOR STATION | 241-0471 | p.1017 |
| C18 | OPERATOR STATION | 241-0471 | p.581 |
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.
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.
FAQ
Is 6B6863 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 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?
In stock — ships within 24 hours. Every order is covered by a warranty per quotation.
📞 Get a Quote: Contact the WSTPARTS parts team | Email: cat@wstparts.com
