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.

Also covers4RTA52U5RTA52U6RTA52U7RTA52U8RTA52U

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

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)
Cylinder configurations	4–8 cylinders
Production status	Out of production
Application	Handysize bulkers, MR product tankers, general cargo, chemical tankers, multipurpose vessels

Figures as published for the RTA52U. We confirm against the nameplate before quoting.

RTA52U 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 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: Out of production. 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, cylinder head gasket set, piston complete, piston crown and skirt, piston rings. Send the part number for anything not listed.

Which RTA52U variants do you cover?

We supply parts across the RTA52U family, including 4RTA52U, 5RTA52U, 6RTA52U, 7RTA52U, 8RTA52U. Designations differ by build series — send the nameplate designation and we match parts to your exact variant.

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.

WhatsApp for a quote Call +91 98252 08105