
Brake servo for Volvo Amazon 1969–1970 B20, 140 1968–1974, 2-circuit
Amazon, 140, 164
- Model year:
- 1969–1974
- Thread:
- 3/8"
- Engine:
- B20
- System:
- 2-circuit
A hard brake pedal or a servo that loses boost with the engine off can point to a tired brake servo or a leaking non-return valve – both are common checkpoints on the 140 Series with the four-cylinder B18 or B20. This category gathers parts for exactly the servo function in the dual-circuit system that was standard on the 140 from the start.

Amazon, 140, 164

140, 240

Amazon, 140

Amazon, 140

Amazon, 140, 740, 760, 780

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


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

Amazon, 1800, 164, 140, 240

PV, Duett, Amazon, 1800, 140, 240, 740, 760, 780

140, 164

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


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



164, 140

140, 164

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

PV, Amazon, 1800, 140, 260, 240

Amazon, 1800, 140, 240

Amazon, 140, 260, 240
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The group includes the brake servo, non-return valve and connecting hose, plus gaskets, gaiter and filter for an overhaul. For fitting and sealing there is also grease and plastilube. When an old servo is removed, the diaphragm, the non-return valve and the vacuum hose are the typical things to check so you avoid leaking vacuum and lost braking power.