CAT 2B0858 PLUG for 3516B Caterpillar Part - WSTPARTS

2B0858 PLUG is a Electrical System component engineered for Caterpillar 3516B, 3512 and 325C machines, built to match original factory specifications. It is categorized under Electrical System. Every unit is fitment-verified before dispatch. Manual reference: 3056: COOLING SYSTEM, group 214-5998, page 220; 3056E: BASIC ENGINE, group 226-3558, page 21.

2B0858 PLUG for Caterpillar 3516B — Genuine CAT & Replacement Part

WSTPARTS supplies genuine CAT and OEM-equivalent direct-replacement PLUG (Part # 2B0858). Designed for CAT 3516B, 3512, 325C, 3056, 3056E, 3306, 3406C, 3406E, 3508C, 3512C, 3516, C13, C175, C27, C4.4, C9, G3508, G3608, G3616, 320C, 320D equipment.

Compatible Models

Key Features

• ✔ 100% compatible with CAT 3516B, 3512, 325C, 3056, 3056E, 3306, 3406C, 3406E, 3508C, 3512C, 3516, C13, C175, C27, C4.4, C9, G3508, G3608, G3616, 320C, 320D
• ✔ 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)	2B0858
Product Name	PLUG
Brand	CAT
Applicable Models	3516B, 3512, 325C, 3056, 3056E, 3306, 3406C, 3406E, 3508C, 3512C, 3516, C13, C175, C27, C4.4, C9, G3508, G3608, G3616, 320C, 320D
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 2B0858 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
3056	COOLING SYSTEM	214-5998	p.220
3056E	BASIC ENGINE	226-3558	p.21
3306	LUBRICATION SYSTEM	154-3891	p.259
3406C	BASIC ENGINE	354-7530	p.83
3406E	BASIC ENGINE	131-3728	p.141
3508C	AIR INLET AND EXHAUST SYSTEM	245-3512	p.216
3512	BASIC ENGINE	114-9437	p.117
3512C	AIR INLET AND EXHAUST SYSTEM	207-1332	p.205

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 2B0858 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 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