Try fram c4
and fram cp4

The orielly web site gives the dimensions, you can compare with your housing.

I used the cp4 and ordered it from autozone. It was for an earlier 235 with a remote housing on the manifold.
http://www.oreillyauto.com/site/c/s...Chevrolet&model=Truck&vi=1326473

Good luck

Last edited by DADS50; 10/09/2010 11:29 PM. Reason: added link