CAT 7X7732 PLUG for C18 Caterpillar Part - WSTPARTS

7X7732 PLUG is a Electrical System component engineered for Caterpillar C18, 345B and C15 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 133-9671, page 429; 3406C: BASIC ENGINE, group 144-0750, page 97.

7X7732 PLUG for Caterpillar C18 — Genuine CAT & Replacement Part

WSTPARTS supplies genuine CAT and OEM-equivalent direct-replacement PLUG (Part # 7X7732). Designed for CAT C18, 345B, C15, 3306, 3406C, 3406E, 3512, 365B equipment.

Compatible Models

Key Features

• ✔ 100% compatible with CAT C18, 345B, C15, 3306, 3406C, 3406E, 3512, 365B
• ✔ 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)	7X7732
Product Name	PLUG
Brand	CAT
Applicable Models	C18, 345B, C15, 3306, 3406C, 3406E, 3512, 365B
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 7X7732 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	133-9671	p.429
3406C	BASIC ENGINE	144-0750	p.97
3406E	BASIC ENGINE	107-2232	p.129
345B	LUBRICATION SYSTEM	130-0825	p.68
3512	BASIC ENGINE	144-0742	p.127
365B	COOLING SYSTEM	115-2990	p.77
C15	COOLING SYSTEM	159-1599	p.594
C18	COOLING SYSTEM	159-1599	p.343

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 — 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 7X7732 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?
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