Wärtsilä · Main Engine

Wärtsilä Wärtsilä 46 Spare Parts

Genuine and Alang-reconditioned spare parts for the Wärtsilä Wärtsilä 46 four-stroke marine diesel engine — main propulsion on cruise ships, container ships, ferries, roro vessels; auxiliary on very large cruise / container vessels. Shipped from Bhavnagar, India to any port worldwide.

Parameter	Wärtsilä 46
Maker	Wärtsilä
Model	Wärtsilä 46
Equipment	Four-stroke marine diesel engine
Bore	460 mm
Stroke	580 mm
Configuration	In-line 6L, 7L, 8L, 9L; V 12V, 14V, 16V, 18V
Power	W46 — 975–1,000 kW/cyl; W46F — 1,200 kW/cyl @ 600 rpm; total 7.5–20 MW (16V) up to ~21.6 MW (18V)
Speed	500 / 514 (W46); 600 rpm (W46F)
MEP	23.6–25 bar
SFOC	170–177 g/kWh @ ISO
Fuel	HFO / LFO / biofuel; 46F also runs methanol-ready
Status	🟢 Current (46F); 🟡 W46 original superseded by 46F
Production years	W46 1992–~2005; W46F 2005–present; 46DF dual-fuel 2008–present; 46 methanol-ready 2024–present
Application	Main propulsion on cruise ships, container ships, ferries, RoRo vessels; auxiliary on very large cruise / container vess

Figures as published for the Wärtsilä 46. Where a figure is not in a source we hold, this page says “not published to us” rather than estimating it. Send your equipment and part number and we confirm against the nameplate before quoting.

Wärtsilä 46 Spare Parts We Supply

Cylinder liner
Cylinder head (complete)
Piston crown and skirt
Piston rings
Inlet and exhaust valves
Valve seats and guides
Fuel injection pump
Fuel injector / nozzle
Connecting rod and big-end bearing
Main bearings
Camshaft and cam followers
Turbocharger cartridge
Charge-air cooler element
Governor / actuator

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 Wärtsilä items are sourceable through the yard.

About the Wärtsilä Wärtsilä 46

The Wärtsilä Wärtsilä 46 is a four-stroke marine diesel engine. It runs a 460 mm bore and 580 mm stroke. Status: 🟢 Current (46F); 🟡 W46 original superseded by 46F. Built W46 1992–~2005; W46F 2005–present; 46DF dual-fuel 2008–present; 46 methanol-ready 2024–present. Application: Main propulsion on cruise ships, container ships, ferries, RoRo vessels; auxiliary on very large cruise / container vessels

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

Why Source Wärtsilä 46 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 Wärtsilä Wärtsilä 46 spare parts do you supply?

Genuine, OEM-equivalent and Alang-reconditioned parts for the Wärtsilä 46, including cylinder liner, cylinder head (complete), piston crown and skirt, piston rings, inlet and exhaust valves. Send the part number for anything not listed.

What is the delivery time for Wärtsilä 46 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 Wärtsilä 46 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 Wärtsilä 46 parts?

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

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