
Screw UNC 5/16-18x5/8" (16 mm) for Volvo 240
PV 444, PV 544, Amazon, 1800, 164
- Mounting position:
- Tailgate
- Model year:
- 1962–1969
- Dimensions:
- 16 mm (0.63 in)
- Thread:
- 5/16"-18 UNC
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A clogged air filter quickly shows on the single-carburetor B18A (1,778 cc, 75 bhp) – the mixture runs rich, the idle drifts and fuel consumption creeps upward. Switching to a clean paper filter is often the first step when spark plugs are sooty and throttle response is sluggish.

PV 444, PV 544, Amazon, 1800, 164

PV 444, PV 544, Duett, Amazon, 1800, 164
PV 444, PV 544, Amazon, 1800, 140, 164
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The group includes air filters in paper form together with the surrounding parts needed for the job: gaskets against the carburetor housing, spring washers and a screw for the filter cap, hose clamps and rubber plugs. There are also complete mounting kits and rubber plug sets collected here, so that worn seals and plugs are replaced in the same go.
Always check that the filter housing seals close tightly – if air leaks past the gasket, getting the carburetor tuning stable becomes impossible. The parts are gathered for the B18A; the engine code and carburetor type determine which filter and which seals fit.