
Decarbonising kit for Volvo B17A, B19A, B21A
240, 340-360
- Model year:
- 1975–1989
- Engine:
- B17A, B19A, B21, B21A, B23
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Rusty freeze plugs that start to weep or a plug that no longer seals is a common checkpoint when the block on a B17 is opened up. This category gathers parts that belong to the engine block itself on the Volvo 240/260, where leakage around plugs and thread damage in the block often show up on older motors.

240, 340-360

240, 740

240, 260, 740, 780, 760

240, 260, 740, 760, 780, 940, 960, 340, 360

240, 760, 740, 780, 960, 940, 850, S40, V40, 340, 360

140, 164, 240, 260, 740, 780, 760, 940, 960

240, 760, 740, 780, 960, 940, 340, 360

PV 544, Amazon, 1800, 164

PV 444, PV 544, Amazon, 164, 240, 260, 740, 780, 760, V90, S90, 940, 960, 850, V70, XC70, S70, C70

1800, 140, 240, 740, 780, 760, 940, 960
240, 340, 360

240, 260, 740, 780, 760, V90, 940, 960, S90

240, 260, 740, 780, 760, V90, 960, S90, 940

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

Duett, PV 444, PV 544, Amazon, 1800, 164, 140, 240, 780

PV 544, Duett, Amazon, 1800, 164

PV 444, PV 544, 1800, 140, 164, 240, 260, 740, 780, 760, V90, S90, 960, 940
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The group includes freeze plugs, plug and plugs, studs and bolts, O-rings, sleeves and bearing bushing kits. During a block rebuild it is worth taking the opportunity to replace the freeze plugs while the motor is apart anyway, since they sit in a hard-to-reach spot once the motor is installed. Always check the design against your motor, as thread and dimension details can differ between model years.