CAT 3E7428 PLUG for C18 Caterpillar Part - WSTPARTS
3E7428 PLUG is a Electrical System component engineered for Caterpillar C18, 3306 and G3508 machines, built to match original factory specifications. It is categorized under Electrical System. Every unit is fitment-verified before dispatch. Manual reference: 3306: COOLING SYSTEM, group 112-5740, page 361; 3406E: COOLING SYSTEM, group 124-3398, page 239.
3E7428 PLUG for Caterpillar C18 — Genuine & OEM Replacement Part
WSTPARTS supplies genuine and high-quality OEM replacement PLUG (Part # 3E7428). Designed for CAT C18, 3306, G3508, 3406E, C9 equipment.
Compatible Models
Key Features
- ✔ 100% compatible with CAT C18, 3306, G3508, 3406E, C9
- ✔ 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) | 3E7428 |
| Product Name | PLUG |
| Brand | CAT |
| Applicable Models | C18, 3306, G3508, 3406E, C9 |
| Weight | 0.05 kg |
| Condition | New (Genuine / OEM Equivalent) |
| Warranty | 12 Months |
Where This Part Fits
Every row below is a real listing of 3E7428 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 |
| 3306 | COOLING SYSTEM | 112-5740 | p.361 |
| 3406E | COOLING SYSTEM | 124-3398 | p.239 |
| C18 | COOLING SYSTEM | 200-7101 | p.409 |
| C9 | COOLING SYSTEM | 245-3535 | p.132 |
| G3508 | AIR INLET AND EXHAUST SYSTEM | 121-5736 | p.347 |
| 3306 | AIR INLET AND EXHAUST SYSTEM | 219-1937 | p.542 |
| 3406E | COOLING SYSTEM | 131-8275 | p.248 |
| C18 | COOLING SYSTEM | 201-6757 | p.413 |
System Notes — COOLING SYSTEM
The cooling system covers the radiator, water pump, thermostat, fan and fan drive, coolant hoses, clamps, the surge tank and the belts that drive it. It holds engine temperature inside the range where clearances and oil film stay correct. Failures are usually slow and then sudden: a hose softens and balloons before it bursts, a water pump seal starts weeping from the weep hole, a thermostat sticks partly open so the engine runs cold and burns more fuel. On construction sites the radiator also packs with dust and debris, which raises pressure across the core and finds the weakest hose or clamp first.
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 3E7428 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 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
