
Brake reducing valve for Volvo Amazon 1969-70, 1800
Amazon, 1800, 140, 164
- Position:
- Left and right
- Engine:
- B16, B18, 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.

Amazon, 1800, 140, 164

Amazon, 1800


Amazon, 1800, 164, 140

Amazon, 1800, 140

Amazon, 1800, 140, 164

Amazon, 1800, 164, 140

Amazon, 140


Amazon, 140

Amazon, 1800, 140, 164

Duett, PV, Amazon, 1800, 140, 164, 260, 240, 760, 740, 960, 940, 850

Amazon, 1800, 140, 164


PV, Amazon, 1800, 140, 164, 260, 240, 760, 740, 960, 940, 850

PV, Duett, Amazon, 1800, 260, 240

Amazon, 1800, 140, 240, 740, 760

Amazon, 140, 164

140, 240, 760, 740, 780, 960, 940


Duett, PV, Amazon, 1800, 140, 164, 260, 240, 760, 740, 960, 940, 850




Amazon, 1800, 140, 164

Duett, PV, Amazon, 1800, 140, 164, 260, 240
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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.