CAT 8N3378 AIR CLNR G for 3516B Caterpillar Part - WSTPARTS
The 8N3378 AIR CLNR G is a genuine and high-quality OEM replacement part compatible with Caterpillar 3516B, 3512 and G3508 equipment. It is categorized under Air Filter. Every unit is fitment-verified before dispatch. Manual reference: 3508C: AIR INLET AND EXHAUST SYSTEM, group 283-9840, page 214; 3512: AIR INLET AND EXHAUST SYSTEM, group 031-4630, page 532.
8N3378 AIR CLNR G for Caterpillar 3516B — Genuine & OEM Replacement Part
WSTPARTS supplies genuine and high-quality OEM replacement AIR CLNR G (Part # 8N3378). Designed for CAT 3516B, 3512, G3508, 3508C, 3512C, 3516 equipment.
Compatible Models
Key Features
- ✔ 100% compatible with CAT 3516B, 3512, G3508, 3508C, 3512C, 3516
- ✔ 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) | 8N3378 |
| Product Name | AIR CLNR G |
| Brand | CAT |
| Applicable Models | 3516B, 3512, G3508, 3508C, 3512C, 3516 |
| Weight | 29.89 kg |
| Condition | New (Genuine / OEM Equivalent) |
| Warranty | 12 Months |
Where This Part Fits
Every row below is a real listing of 8N3378 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 |
| 3508C | AIR INLET AND EXHAUST SYSTEM | 283-9840 | p.214 |
| 3512 | AIR INLET AND EXHAUST SYSTEM | 031-4630 | p.532 |
| 3512C | AIR INLET AND EXHAUST SYSTEM | 272-1029 | p.199 |
| 3516 | AIR INLET AND EXHAUST SYSTEM | 148-7981 | p.280 |
| 3516B | AIR INLET AND EXHAUST SYSTEM | 148-7981 | p.472 |
| G3508 | ENGINE ARRANGEMENT | 133-4817 | p.27 |
| 3512 | AIR INLET AND EXHAUST SYSTEM | 031-4630 | p.533 |
| 3516 | AIR INLET AND EXHAUST SYSTEM | 158-6232 | p.283 |
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 — ENGINE ARRANGEMENT
The engine arrangement group covers the parts that mount and dress the engine as an assembly rather than the engine internals: engine mounts and isolators, belts and tensioners, pulleys, guards, brackets, and the plumbing that connects the engine to the rest of the machine. It is the interface layer, so its failures usually show up as vibration, belt squeal or a component that will not stay aligned. Worn isolators transmit vibration into the frame and fatigue nearby brackets; a tired tensioner lets the belt slip and takes the alternator or water pump with it. Parts are replaced when vibration at idle becomes noticeable or a belt starts tracking off its pulley.
FAQ
Is 8N3378 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 3516B.
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
