• The Mercruiser riser listed is made using OEM equivalent materials and are configured the same way to assure you get the cooling you expect.

Some details to note:

• Riser includes plugs, gasket and mounting hardware to mount to manifold.
• Accepts 3" ID exhaust hose (0 degree angle).

Our product is a drop in replacement for these part numbers:

• B-98502A2
• 98502
• MC-20-98502
• 20-98502

This part fits the following diesel generators (possibly more):

• Model 330
• Model 340
• Model 454 Mag (Limited Models with 3” Exhaust)