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Looking for aftermarket parts to modify or upgrade your 1991 GMC C1500 with transmission coolers? At Tunersports.com we carry a huge selection of the top name brand performance transmission cooler parts and accessories for your C1500.
Whether you have a 1991 GMC C1500 in Sierra to Sierra SLX trim we have you covered. We have 1 transmission coolers available parts to mod your C1500. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS 1030606-5/1622% more cooling over other designs; 200 Micro Extruded passages; Large surface area to transfer heat for external air flow cooling; Turbulent oil flow design promotes a more complete cooling; Large 5/8-inch ports prevents inlet/outlet restriction; Furnace brazed rails have been tested to 300psi of ... BD Diesel Xtruded Trans Oil Cooler - 5/16 inch Cooler Lines 1991-1993 GMC C1500 Sierra / Sierra SLX 1991-1997 GMC C1500 Sierra SLE $699.95 |