Oil Trap, Breather Box, *Oil Separator membrane only* for
Volvo models P1 and p 3 ,with 5 cylinder gasoline fuel injected engines. This diaphragm installed inside of the oil separator breather box assembly of the 5 cylinder P1 and P3 cars. When the diaphragm is ruptured and torn it results in loud squeal noise from the engine, lack of power, rough idle at slow speeds , and engine stalling at the intersections.
You absolutely do not have to disassemble one half of the car to install a new oil separator box. You can only replace the damaged part of the oil separator. The replacement procedure calls for a simple removal of the plastic cover and replacement of the membrane we are providing .
this diaphragm fits on inside of the oil separator with the part number 31338685 on the top cover

For all P3 five cylinder Turbo S60, V60, XC60 V70 and P1 five cylinder C30 C70 S40 V50 from engine 3285662-

Breather Box, Oil Vapor Filler for Volvo
ENGINE PCV Breather Box Oil Separator Volvo
if your engine is leaking oil out of every possible seal and has white smoke coming out of the muffler tail pipe while running, if your engine stalls on the intersections - you should replace this ENGINE PCV Breather Box Oil Separator and clean out corresponding breather hole in the engine block.
This correctly made part, and will perform its intended function of separating oil mist residue created by the crankshaft chamber of your volvo engine

850 1994.5-1997
S70 1998-2002
V70 1998-2003
C70 1998-2002
S40 2001-2004.5
V40 2000-2004.5
S60 2001-2002 T
XC90 2003-2006
Works for: Volvo 850, Volvo C70, Volvo S70, Volvo V70, Volvo S40, Volvo V40, Volvo S60, Volvo XC90

KIT KIT KIT!
Includes 3 parts in photo.

Oil Trap, Breather Box, Oil Separator membrane service kit for
Volvo models P1 and P3, with 5 cylinder gasoline fuel injected engines. There is a diaphragm installed on the top of the oil separator breather box assembly of the 5 cylinder P1 and P3 cars. When the diaphragm is ruptured and torn it results in loud squeal noise from the engine, lack of power, rough idle at slow speeds , and engine stalling at intersections.

You absolutely do not have to disassemble one half of the vehicle and install a new complete oil separator box to remedy the problem. You can only replace the damaged part of the oil separator. The replacement procedure calls for a simple removal of the plastic cover, membrane and the spring and installing what we are providing.
This diaphragm fits on the top of the oil separator with the part number 31338685 on the top cover

For all P3 five cylinder Turbo S60, V60, XC60 V70 and P1 five cylinder C30 C70 S40 V50 from engine 3285662-