
Air filter insert for Volvo B18B, B20B, B30A, SU carburetor
PV, Amazon, 1800, 164, 140, 260, 240
- Model year:
- 1961–1973
- Engine:
- B18, B18B, B20, B20B, B30A
- System:
- Stromberg 175 CD2
- Type:
- Insert
Dropping power, a sooty exhaust smell or rough idle on a B20B can point to a clogged air filter element that restricts the intake – one of the cheapest wear points to check at service. This category gathers air filter parts for the carbureted B20B engines (118 bhp twin-carb), which came to the 122 in August 1968 for the final two model years.

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

Amazon, 1800, 140, 164, 260, 240

PV, Amazon, 164, 140

Amazon, 1800, 164

Amazon, 1800, 140, 240

Amazon, 164, 140, 240

Amazon, 1800, 140, 260, 240

PV, Amazon, 1800, 164, 140, 240, 740

PV, Duett, Amazon, 1800


Duett, PV, Amazon, 1800, 140, 240

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

PV, Duett, Amazon, 1800, 140, 164, 260, 240
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The group includes air filter elements, mounting kits, gaskets, brackets and nuts as well as screws, clamps and hose clamps that fasten and seal the filter housing. When replacing them, it is worth checking that the gaskets and rubber hoses are not leaking false air, since that can produce the same symptoms as a tired filter. Because the 122 was available with both single- and twin-carburetor engines, the intake and housing parts differ – so check that the parts match the B20B specifically before fitting.