Caterpillar · Auxiliary Engine

Caterpillar 3508B Spare Parts

Genuine and Alang-reconditioned spare parts for the Caterpillar 3508B four-stroke marine diesel engine — tugs, osvs, ferries, fishing vessels, dredgers, drilling rigs, marine generator sets (500–1,000 kwe). 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	3508B
Maker	Caterpillar
Model	3508B
Equipment	Four-stroke marine diesel engine
Bore	170 mm (6.7 in)
Stroke	190 mm (7.5 in) — 215 mm on HD variants
Power output	600–1,000 kW (804–1,341 bhp); marine prop 746–820 bkW typical
Speed	1,200–1,800 rpm (marine prop 1,600–1,800 rpm typical)
Production status	Current (3508E IMO II/III); 3508B legacy
Production years	3508 original ~1981–1995; 3508B 1995–2007; 3508C 2007–present; 3508E ~2013–present
Application	Tugs, OSVs, ferries, fishing vessels, dredgers, drilling rigs, marine generator sets (500–1,000 kWe)

Figures as published for the 3508B. We confirm against the nameplate before quoting.

3508B 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 Caterpillar items are sourceable through the yard.

About the Caterpillar 3508B

The Caterpillar 3508B is a four-stroke marine diesel engine. It runs a 170 mm (6.7 in) bore and 190 mm (7.5 in) — 215 mm on HD variants stroke. Status: Current (3508E IMO II/III); 3508B legacy. Built 3508 original ~1981–1995; 3508B 1995–2007; 3508C 2007–present; 3508E ~2013–present. Application: Tugs, OSVs, ferries, fishing vessels, dredgers, drilling rigs, marine generator sets (500–1,000 kWe)

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

Why Source 3508B 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 Caterpillar 3508B spare parts do you supply?

Genuine, OEM-equivalent and Alang-reconditioned parts for the 3508B, 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 3508B 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 3508B 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 3508B 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