Wärtsilä · Main Engine

Wärtsilä RTA48 Spare Parts

Genuine and Alang-reconditioned spare parts for the Wärtsilä RTA48 four-stroke marine diesel engine — handysize bulkers, small product tankers, general cargo, coastal vessels, small chemical tankers. Shipped from Bhavnagar, India to any port worldwide.

Parameter	RTA48
Maker	Wärtsilä
Model	RTA48
Equipment	Four-stroke marine diesel engine
Bore	480 mm
Stroke	2,000 mm (RTA48T-B); 1,372 mm (original RTA48 of 1981, stroke/bore 2.86)
Cylinders	4–8 cylinders
Speed at MCR	~127 rpm
Fuel	HFO + MGO
Status	Obsolete (replaced by RT-flex48T)
Production years	1981–~2010 (RTA-8 generation, original 1981 launch)
Application	Handysize bulkers, small product tankers, general cargo, coastal vessels, small chemical tankers

Figures as published for the RTA48. 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.

RTA48 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 RTA48

The Wärtsilä RTA48 is a four-stroke marine diesel engine. It runs a 480 mm bore and 2,000 mm (RTA48T-B); 1,372 mm (original RTA48 of 1981, stroke/bore 2.86) stroke. Status: Obsolete (replaced by RT-flex48T). Built 1981–~2010 (RTA-8 generation, original 1981 launch). Application: Handysize bulkers, small product tankers, general cargo, coastal vessels, small chemical tankers

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

Why Source RTA48 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 RTA48 spare parts do you supply?

Genuine, OEM-equivalent and Alang-reconditioned parts for the RTA48, 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 RTA48 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 RTA48 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 RTA48 parts?

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

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