From my understanding, this part 56-9108 is to fit the following. Please check the gasket shape

WEBER 28/36 DCD/DAS/DCS/DCLD, 34 DCMP, 34 DCHD 54MM H

Product Specifications
Air Filter Height    2.063 in (52 mm)
Air Filter Inside Diameter    6.75 in (171 mm)
Inlet Diameter    2 in (51 mm)
Mounting Hardware Included    Yes

Neck Flange    2 in (51 mm)
Overall Height    2.25 in (57 mm)
Replacement Filter    E-3410
Top Material    Metal / Chrome
Size    6-8

Weight    1.6 lb (0.7 kg)
Product Box Height    9.13 in (232 mm)
Product Box Length    4.5 in (114 mm)
Product Box Width    5.5 in (140 mm)

  Installation Instruction Sheet