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Master cylinder Brake Volvo Amazon 2-Circuit (B20)

A sinking pedal, leaking sleeves or a spongy feel after a longer period standing still are classic signs of a worn master brake cylinder. This category gathers parts for the 122 with the B20 motor, which arrived in August 1968 and ran the last two model years – exactly the period when the dual-circuit system became standard. The dual-circuit solution splits the front and rear brake into separate circuits, so a leak no longer empties the entire system at once.

All products in category: Master cylinder Brake Volvo Amazon 2-Circuit (B20)

Grease Brake Parts 5 g

Grease Brake Parts 5 g

$ 3.39

OE numbers

64947011
O-ring for warning valve for Volvo Amazon, 673764

O-ring for warning valve for Volvo Amazon, 673764

Amazon

$ 2.83
Position:
Front upper
Model year:
1970-1973
Engine:
B18, B20
System:
2-circuit

OE numbers

673764-GSKT
Gummiring Huvudcylinder broms till Volvo 140, 460, 480, Volvo OE 680906, art.nr 181598796

Rubber ring Master cylinder brake for Volvo 140, 460, 480

Amazon, 1800, 140, 164

$ 2.15
Model year:
1969–1973
Type:
Moulded gasket

OE numbers

680906
Elring
Copper washer for Volvo Amazon, 1800, 240, 740, 850, 940, D24, D5252T, 29x22x1.5

Copper washer for Volvo Amazon, 1800, 240, 740, 850, 940, D24, D5252T, 29x22x1.5

Amazon, 1800, 140, 260, 240, 760, 740, 780, 940, 960, 850, S70, V70, XC70, S80, S40, V40

$ 1.13
Model year:
1961–1998
Material:
Copper
Engine:
B18, B20, D24
Type:
Seal

OE numbers

18677

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The group includes complete master brake cylinders and master cylinders, repair kits with seals, bleeder nipples, O-rings and strainer, plus plastilube/grease for installation. When rebuilding, it is worth checking the cylinder bore for scratches and rust pits before fitting a kit – a pitted bore eats new sleeves in a short time. Also check that the design matches dual-circuit, since early 122 cars run a single-circuit cylinder.