Sourced from Europe and made to OEM or higher specs
For MerCruiser models:
CMD 2.8
CMD 4.2
D2.8L
D4.2L
For Volvo Penta models:
Replaces Volvo Penta: 21730348 3593573 3819486 3588476
D6-280A-A, D6-280A-B, D6-280A-C, D6-280A-D, D6-280A-E, D6-280I-A, D6-280I-B, D6-280I-C, D6-280I-D, D6-280I-E, D6-300A-F, D6-300D-F (MC), D6-330A-F, D6-330D-F, D6-330I-F, D6-370A-F, D6-370D-F, D6-370I-F, D6-400A-F, D6-435D-F, D6-435I-SC-F, D6-435I-TC-F, D6-435I-WJ-F, D6-310I-A, D6-310A-A, D6-310A-B, D6-310A-C, D6-310A-D, D6-310D-B, D6-310D-C, D6-310D-D, D6-310I-B, D6-310I-C, D6-310I-D, D6-330A-B, D6-330A-C, D6-330A-D, D6-330D-B, D6-330D-C, D6-330D-D, D6-330I-B, D6-330I-C, D6-330I-D, D6-350A-A, D6-350A-B, D6-370A-B, D6-370A-C, D6-370A-D, D6-370D-B, D6-370D-C, D6-370D-D, D6-370I-A, D6-370I-B, D6-370I-C, D6-370I-D, D6-310A-E, D6-310D-E, D6-310I-E, D6-330A-E, D6-330D-E, D6-330I-E, D6-370A-E, D6-370D-E, D6-370I-E, D6-400A-E, D6-435D-A, D6-435D-D, D6-435D-C, D6-435D-E, D6-435I-A, D6-435I-C, D6-435I-D, D6-435I-E, 
(please check your part number there are 2 different impellers used in the D6 series this one has 8 blades) If unsure ask a question.
Diameter: 65mm outside
Lenght : 75.65mm
Shaft diameter: 14.29mm
Mercury: 47-816814T
Jabsco: JAB17018-0001 17018-0001