Keep your Volvo Penta petrol engine running efficiently with genuine and aftermarket circulation pumps. Includes 3858340 for 3.0L, 21124846 for 4.3L, 3853850 for 4.3L, 5.0L & 5.7L, 3861341 for 8.1L and 3855991 for 7.4L & 8.2L engines. Compatible with V6, V8, small & big block engines and all sterndrives.