3931747 MANIFOLD,EXHAUST, REPLACES 3901683 (REF. 97T11-4)

High Moly-Sil construction material, one-piece Manifold, replaces previous Manifolds of Ductile Iron construction.  

The new one-piece exhaust manifold is an upgrade for use primarily on Cummins B Series engines with horsepower ratings of 201 or greater that have failed due to high thermal cycles.

Requires the use of (6) 3929881 Gaskets and (12) 3930249 stainless steel capscrews.  See attached Service Parts Topic for full details.