Chuck,
That gasket can be hard to find locally. You can get them from the Jim's for a very reasonable price. Be sure that you ask for the 455 version as the 403 gasket is slightly different.

http://www.appliedgmc.com/prod.itml/icOid/984

J.R. Wright
GMC Great Laker MHC
Newsletter Editor/Publisher
GMC Eastern States
GMCMHI
78 GMC Buskirk 30' Stretch
75 GMC Avion (Under Reconstruction)
Michigan

> On Jun 5, 2015, at 4:24 PM, Charles Boyd wrote:
>
> Anyone have the part number for the 455 oil filter housing to block part number ? It is the one with the curved legs. All the ones at local parts
> stores are the straight side type which I have extra I did not use from gasket kits. Why would the Motorhomes be different?
>
>
>
>
>
> --
> C. Boyd
> 76 Crestmont
> East Tennessee
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Anyone have the part number for the 455 oil filter housing to block part number ? It is the one with the curved legs. All the ones at local parts stores are the straight side type which I have extra I did not use from gasket kits. Why would the Motorhomes be different?

Wally,
Thanks for finding the pictures that Drews had posted, my search did not bring them up. As I stated there is a difference between the 455 and 403 gaskets, they are NOT the same.

JR Wright
78 Buskirk Stretch
75 Avion
Michigan

> On Jun 6, 2015, at 1:18 PM, Wally Anderson wrote:
>
> C Boyd wrote on Fri, 05 June 2015 15:24
>> Anyone have the part number for the 455 oil filter housing to block part number ? It is the one with the curved legs. All the ones at local
>> parts stores are the straight side type which I have extra I did not use from gasket kits. Why would the Motorhomes be different?
>
> Bob Drewes posted this on the photosite about gaskets and adapters.
> http://www.gmcmhphotos.com/photos/g5165-oil-filter-adapter-comparisons.html
> Front wheel drive adapters are different than rear drive. Looks like the adapters and gaskets were different between 403 and 455 too.
> Jim K has gaskets. The Felpro gasket kit I got didn't have the correct gasket.
> --
> Wally Anderson
> 1975 Glenbrook
> Megasquirt 455 port injection science project
> Omaha Nebraska
> Greater Midwest Classics
> GMCES
> http://wallyandsue.blogspot.com/
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