Amazon.com: 800-409 2x Of Heater Core Coolant Hose Connector Fitting For 06-07 Buick For 99-14 Cadillac For 93-14 Chevrolet For 90-14 GMC For 70-13 Ford For 03-09 Hummer For 93-04 Oldsmobile For 94-05 Pontiac : Automotive
Amazon.com: Dorman 800-416 Heater Hose Connector 5/8 x 5/8 Compatible with Select Models : Automotive