Akasaka · Main Engine

Akasaka A31 Spare Parts

Genuine and Alang-reconditioned spare parts for the Akasaka A31 four-stroke marine diesel engine — japanese coastal tankers, cement carriers, larger fishing vessels. 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	A31
Maker	Akasaka
Model	A31
Equipment	Four-stroke marine diesel engine
Bore	310 mm
Stroke	600 mm
Power output	~1,618–1,800 kW (~2,170–2,415 BHP) — Type AX class
Speed	320 rpm
Production status	Out of production
Production years	1980s–2000s
Application	Japanese coastal tankers, cement carriers, larger fishing vessels

Figures as published for the A31. We confirm against the nameplate before quoting.

A31 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 Akasaka items are sourceable through the yard.

About the Akasaka A31

The Akasaka A31 is a four-stroke marine diesel engine. It runs a 310 mm bore and 600 mm stroke. Status: Out of production. Built 1980s–2000s. Application: Japanese coastal tankers, cement carriers, larger fishing vessels

Source: our Main Engine spec research file (auxiliary-engine/03-akasaka-blackstone-mirrlees.md).

Why Source A31 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

Related Akasaka Models

A28 A34 A37 A37S AH30 AH38 All Akasaka spare parts Main Engine spare parts Reconditioned parts 24–48hr emergency

Frequently Asked Questions

What Akasaka A31 spare parts do you supply?

Genuine, OEM-equivalent and Alang-reconditioned parts for the A31, 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 A31 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 A31 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 A31 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