Plastic-This part appears different than original part, but will fit apps listed Upper Plastic Intake Manifold
INTAKE MANIFOLD
Plenum
Yes
Vehicle Fitment
Make
Model
Years
WORKHORSE
W18
2006-2007
WORKHORSE
W42
2006-2007
WORKHORSE
W62
2007
WORKHORSE CUSTOM CHASSIS
W42
2006-2007
This list of compatible vehicles and years is accurate, but it may not be complete. There may be additional vehicle applications and years compatible with this part not listed.