3036684 - Chevy/GMC Pickup Evaporator3036684 Chevy GMC Pickup Evaporator 3036687, 3036684 VALVE TYPE: Bulb Type FITTING TYPE: O Ring CORE LENGTH: 10 3 4'' CORE HEIGHT: 8 3 8'' CORE WIDTH: 3 1 2'' OVERALL LENGTH: 13 1 2'' OVERALL HEIGHT: 13 1 4'' OVERALL WIDTH: 6 3 4'' FITTING INLET: #8 Male Insert O Ring FITTING OUTLET: #12 Male O Ring Can be installed on the following vehicles: CHEVROLET Blazer CHEVY GMC Conventional CHEVY GMC Topkick, Kodiak C50 CHEVY GMC Topkick, Kodiak C55 CHEVY GMC