Wärtsilä · Main Engine

Wärtsilä RTA52U Spare Parts

Genuine and Alang-reconditioned spare parts for the Wärtsilä RTA52U four-stroke marine diesel engine — handysize bulkers, mr product tankers, general cargo, chemical tankers, multipurpose vessels. Shipped from Bhavnagar, India to any port worldwide.

Parameter	RTA52U
Maker	Wärtsilä
Model	RTA52U
Equipment	Four-stroke marine diesel engine
Bore	520 mm
Stroke	1,800 mm (RTA52U: stroke/bore ratio ~3.47)
Cylinders	4–8 cylinders
Speed at MCR	137 rpm
Fuel	HFO + MGO
Status	Obsolete
Production years	1984–~2005 (RTA-2 generation)
Application	Handysize bulkers, MR product tankers, general cargo, chemical tankers, multipurpose vessels

Figures as published for the RTA52U. 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.

RTA52U 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 RTA52U

The Wärtsilä RTA52U is a four-stroke marine diesel engine. It runs a 520 mm bore and 1,800 mm (RTA52U: stroke/bore ratio ~3.47) stroke. Status: Obsolete. Built 1984–~2005 (RTA-2 generation). Application: Handysize bulkers, MR product tankers, general cargo, chemical tankers, multipurpose vessels

Source: our Main Engine spec research file (main-engine/01-wartsila-wingd.md).

Why Source RTA52U 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 RTA52U spare parts do you supply?

Genuine, OEM-equivalent and Alang-reconditioned parts for the RTA52U, 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 RTA52U 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 RTA52U 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 RTA52U parts?

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

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