A zinc anode from Volvo that is designed for use with oil coolers and is compatible with the following Volvo Penta Engines: D19, D21, D27, D29, D30, D31, D32, D40, D41, D42, 2001, 2002 and 2003.
Dimensions:
Length: 38mm
Width: 16mm
Height: 16mm
Hole Diameter: 7mm
Useful Links:
Anode Guide Blog Post