
Return spring cold start Stromberg for Volvo PV, Duett, Amazon, 1800, 140, 164, 240, B18A, B20A
PV 544, Duett, Amazon, 1800, 164, 140, 240
- Model year:
- 1961–1974
- Axle:
- Front axle
- Engine:
- B18, B18A, B20, B20A
- System:
- Stromberg
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Rough idle, wandering rpm or false air around the throttle shaft are classic symptoms of a worn Stromberg carburetor – and these very wear points are exactly what this group targets. The category gathers wear and rebuild parts for the twin-carburetor setup on the B20B motor (1,986 cc), which took over in the 1800S from the 1969 model year.

PV 544, Duett, Amazon, 1800, 164, 140, 240

Amazon, 1800, 240, 740, 760

PV 444, PV 544, Amazon, 140, 164, 240, 260

Amazon, 1800, 140, 164, 240, 260

Amazon, 1800, 140, 240

PV 444, PV 544, Amazon, 1800, 140, 164

PV 444, PV 544, Amazon, 1800, 164, 140, 240

PV 444, PV 544, Amazon, 1800, 140, 164, 240, 260, 740, 760

PV 544, Duett, Amazon, 1800, 140

PV 444, PV 544, Amazon, 1800, 164

Amazon, 1800, 140, 164, 240, 260

140, 240, 260, 740

1800, 164, 240, 260

Amazon, 1800, 140, 164, 240, 260

PV 444, PV 544, Amazon, 1800, 140, 164, 240, 260

Amazon, 1800, 240

PV 444, PV 544, Amazon, 1800, 140, 164, 240, 260, 740

Amazon, 1800

Amazon, 1800, 140, 164, 240, 260

PV 544, Duett, Amazon, 1800, 140
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The group includes shutter shafts, return springs and O-rings together with fasteners such as screw, nut, washer and lock washer. During a rebuild the throttle shaft is a typical checkpoint: if the shaft bearing wears out, false air gets in and the idle becomes hard to set. The return springs ensure the shutter closes fully, while healthy O-rings keep things tight against vacuum leaks.
Because the parts are grouped by family, you can assemble exactly what you need for a sync or a complete overhaul of both carburettors.