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From what I have heard, the PH6353 is for California trucks only. Why that would be, I don't know. I had a D50 that had the smaller filter, so either it was a non-California, or it was because it was a Dodge. It also may only be the case for '85 trucks, and not other years. Both my friends and mine are Cal trucks, and both Mitsubishi (even the same color). Both take the big filter.


It all depends, none of the '83 trucks used the larger filter because none came with Cali emmissions. All Mitsubishi and Ram 50 diesel trucks in 84-85 that were equipped with Cali emmissions(EGR) were fitted with that larger filter as part of the Cali emmisions. I personally avoid buying a Cali emmisions truck if at all possible because it kills the fuel milage not to mention the price of this filter. Be aware that some trucks equipped with California emmisssions were sold in other states but all truck sold in Cali 84-85 were equipped with Cali emmissions.

Spence
1985 Mitsubishi PU 2.3 Turbo Diesel, 13" lift, Watercooled turbo, 4D56 Head, Atlas II,Fox Coilovers, Elockers,

1983 Mitsubishi PU 2.5 Turbo Diesel 4x4, fully restored

2003 G500, sliders, beadlocks, roofrack, ladder etc.