
Screw UNC 1/4-20x5/8" (16 mm) for Volvo PV544, Duett, Amazon, 140, 164, 1800, 240
PV 444, PV 544, Duett, Amazon, 1800, 164
- Model year:
- 1957–1982
- Axle:
- Front axle
- Thread:
- 1/4"-20 UNC
- Engine:
- B16, B18, B20, B27F
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Oil leaks at the valve casing, worn timing belt components, and uneven compression vary quite a bit depending on which motor the car has. That's why the parts are grouped by motor family, so you go straight to the right one without mixing up the four-cylinder OHC blocks with the V6s.


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

PV 444, PV 544, Duett, Amazon, 1800, 164

Amazon, 1800, 140, 240

PV 444, PV 544, Duett, Amazon, 1800, 164

PV 544, Duett, Amazon, 1800, 164

PV 444, PV 544, Amazon, 1800, 164

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

260, 240, 780, 760, 740, 960, 940, V90, S90
240, 740, 760, 340-360

Duett, PV 544, Amazon, 1800, 140, 240, 780, C70, S70, S40

1800, 140

260, 240, 780, 760, 740, 960, 940

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

240, 260, 760, 780, 740, 960, 940

240, 960, 940, 340, 360

PV 444, PV 544, Duett, Amazon, 1800, 164, 780, S90, C70, S70

Amazon, 1800, 140, 164, 260, 240


PV 544, Duett, Amazon, 1800, 140
260, 240, 780, 760, 740, 960, 940, V90, S90
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Among the four-cylinder units there are the B21, B23, and later B230 (all 2.1–2.3 L OHC), plus older B variants. Those looking for the diesel side will find the D24, and the V6 versions are gathered under B27/B28. Cylinder head parts, soot cleaning kits, and seals are typical checkpoints during a rebuild.