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Carburetor Volvo PV/Duett Carter (B4B) (1947-53)

A dropping idle, smell of gas or a leak around the carburetor can point to dry gaskets and mountings that have worked loose over the years. This category gathers the smaller wear and mounting parts for the simple Carter carburetor fitted to the B4B motor (1414 cc, about 40 hp) in the Volvo 544 and 445 1947–53.

The group includes gaskets, screws, nuts and spring washers – parts that are often replaced together during a rebuild so the carburetor sits tight and seals against the intake and flanges. During assembly, the gaskets and tightened spring washers are a common check point, since a vacuum leak through an old gasket can cause uneven running. Always check the year and version against your car before choosing parts, as the carburetor specification follows the motor generation.

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