Caterpillar · Auxiliary Engine

Caterpillar 3512C Spare Parts

Genuine and Alang-reconditioned spare parts for the Caterpillar 3512C four-stroke marine diesel engine — ahts vessels, drillships, large tugs, ferries, osvs, mining haul barges, well-service vessels, marine gensets 1. Shipped from Bhavnagar, India to any port worldwide.

Bhavnagar · beside Alang yard
24–48hr emergency dispatch
Genuine · OEM-equivalent · reconditioned
Measured to maker’s limits

Parameter	3512C
Maker	Caterpillar
Model	3512C
Equipment	Four-stroke marine diesel engine
Bore	170 mm (6.7 in)
Stroke	190 mm (7.5 in) — 215 mm on HD
Power output	955–1,902 kW (1,281–2,552 bhp) — full marine range; 3512B 1,119–1,231 bkW @ 1,800 rpm
Speed	1,200–1,800 rpm
Production status	Current (3512C/E); 3512B legacy
Production years	3512 original 1980s; 3512B late 1990s; 3512C mid-2000s–present; 3512E early 2010s–present
Application	AHTS vessels, drillships, large tugs, ferries, OSVs, mining haul barges, well-service vessels, marine gensets 1.0–1.5 MW

Figures as published for the 3512C. We confirm against the nameplate before quoting.

3512C Spare Parts We Supply

Cylinder liner
Cylinder head complete
Cylinder head gasket set
Piston complete
Piston crown and skirt
Piston rings
Gudgeon pin and bush
Connecting rod
Big-end bearing shells
Main bearing shells
Thrust washers
Camshaft and cam sections
Cam followers / roller guides
Inlet valve with seat and guide
Exhaust valve with seat and guide
Valve rotators and springs
Rocker arm assembly
Push rods
Fuel injection pump
Fuel pump element (plunger and barrel)
Fuel injector and nozzle
High-pressure fuel pipe
Lube oil pump
Water pump (HT/LT)
Turbocharger cartridge
Charge-air cooler element
Governor drive and linkage
Complete gasket and O-ring kit

Genuine, OEM-equivalent and Alang-reconditioned. Every reconditioned part is measured against the maker’s limits before it leaves us. If your part is not listed, send the part number — most Caterpillar items are sourceable through the yard.

About the Caterpillar 3512C

The Caterpillar 3512C is a four-stroke marine diesel engine. It runs a 170 mm (6.7 in) bore and 190 mm (7.5 in) — 215 mm on HD stroke. Status: Current (3512C/E); 3512B legacy. Built 3512 original 1980s; 3512B late 1990s; 3512C mid-2000s–present; 3512E early 2010s–present. Application: AHTS vessels, drillships, large tugs, ferries, OSVs, mining haul barges, well-service vessels, marine gensets 1.0–1.5 MWe

Source: our Auxiliary Engine spec research file (auxiliary-engine/01-cat-daihatsu-wartsila4stroke.md).

Why Source 3512C Parts from Wattmare?

We are in Bhavnagar, next to Alang — the world’s largest ship-recycling yard, and where reconditioned marine parts actually come from. We hold fast-moving items, source the rest through the yard and our trader network, and dispatch worldwide in 24–48 hours on emergency orders.

Salim Dholia
Wattmare · Bhavnagar / Alang, India

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Frequently Asked Questions

What Caterpillar 3512C spare parts do you supply?

Genuine, OEM-equivalent and Alang-reconditioned parts for the 3512C, including cylinder liner, cylinder head complete, cylinder head gasket set, piston complete, piston crown and skirt, piston rings. Send the part number for anything not listed.

What is the delivery time for 3512C parts?

Stock items dispatch the same or next working day from Bhavnagar. Emergency orders ship in 24–48 hours to any major port. Sourced items depend on the yard — we confirm a real date before you commit.

Are your 3512C parts genuine or reconditioned?

Both. We supply genuine and OEM-equivalent new parts, and Alang-reconditioned parts measured against the maker's limits before dispatch. We tell you which you are buying — we do not sell reconditioned as new.

Need 3512C parts?

Send the equipment number and part number. We quote with a real availability date, not a maybe.

WhatsApp for a quote Call +91 98252 08105