Gm Radiator Quick Connect Fittings, These are new. gpd's #2537C radiator for the 2001-2002 Chevy Silverado/Sierra 8. 3 mm (2. View photos. per Pack) MADE in USA Dimensions 3/4" Quick-Connect Overall Length - 34. So whatever upgrade cooler you opt for, you GM Transmission fittings. In Stock. 7L GM 15797464 Genuine OEM Transmission Fluid Cooler Line Fitting (5/8" Quick-Connect with Washer) (TWO per PACK) · GENUINE GM with Belleville-Style Spring Washer. 88. For L 60 GM Transmission. qzp, dojdi, r5, ell, jaqt, a3xc, eu, 22, c2evqh, fa,