Bitzer · Refrigeration Compressor

Bitzer OSN Spare Parts

Genuine and Alang-reconditioned spare parts for the Bitzer OSN marine refrigeration compressor — low- to medium-temperature ammonia plants, freezer rooms on fish 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	OSN
Maker	Bitzer
Model	OSN
Equipment	Marine refrigeration compressor
Production status	Current
Application	Low- to medium-temperature ammonia plants, freezer rooms on fish vessels

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

OSN Spare Parts We Supply

Piston complete with rings
Cylinder liner / sleeve
Suction valve plate and springs
Discharge valve assembly
Safety head springs
Cylinder head (complete)
Crankshaft
Main bearings
Connecting rod with bearings
Shaft seal (mechanical)
Shaft seal cover
Unloader / capacity control mechanism
Unloader solenoid valves
Oil pump complete
Oil pressure relief valve
Oil filter and suction strainer
Oil sight glass
Crankcase heater
Suction and discharge shut-off valves
Terminal plate / motor parts (semi-hermetic)
Complete gasket set
Exchange / reconditioned compressor unit

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 Bitzer items are sourceable through the yard.

About the Bitzer OSN

The Bitzer OSN is a marine refrigeration compressor. Status: Current. Application: Low- to medium-temperature ammonia plants, freezer rooms on fish vessels

Source: our Refrigeration Compressor spec research file (refrigeration-compressor/01-all-brands.md).

Why Source OSN 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 Bitzer Models

4FES 4NES 4PES 4TES 6HE 4FC All Bitzer spare parts Refrigeration Compressor spare parts Reconditioned parts 24–48hr emergency

Frequently Asked Questions

What Bitzer OSN spare parts do you supply?

Genuine, OEM-equivalent and Alang-reconditioned parts for the OSN, including piston complete with rings, cylinder liner / sleeve, suction valve plate and springs, discharge valve assembly, safety head springs, cylinder head (complete). Send the part number for anything not listed.

What is the delivery time for OSN 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 OSN 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 OSN 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