Volvo Penta MD31 and AD41 Air Filter.
This is a service item for some MD31 and AD41 Volvo Penta Diesels. These engines are fitted with either air filter part number 858488 or air filter 21646645 (150mm wide)
To decide which one you need for an AD31 or AD41 series which may use either part, part number 858488 (200mm wide) has a screw-on air filter cover and 21646645 (150mm diameter) has a clip-on cover.
Volvo Penta Part No: 858488
For Volvo Penta Diesel Engines: AD41A, AQAD41A, AQD41A, D41A, TAMD41A, TMD41A, MD31A, MD31B, AD41B, AD41D, AD41L-A, AD41P, AD41P-A, AQAD41B, D41B, D41L-A, TAMD41B, TAMD41D, TAMD41H-B, TAMD41M, TAMD41P, TAMD41P-A, TAMD41P-HD, TAMD42WJ-A, TMD41B, TMD41D, TMD41L-A, TMD41P-A, D41D, TAMD41H-A, TAMD41P-B, AD31B, AD31D, AD31L-A, AD31P-A, AQAD31B, TAMD31B, TAMD31D, TAMD31D-CE, TAMD31L-A, TAMD31P-A, TAMD31S, TMD31B, TMD31L-A, TAMD31M, TAMD31P-B, TMD31D
Alternative part number for 150mm type, Part Number 21646645