Check the listing for details. 11-14 Duramax Transmission Cooler Lines for Chevy GMC Allison 6.6 6.6L. Condition: New. Listed at 179.95 USD. CR Performance Heavy Duty 2011-2014 Duramax Transmission Cooler Lines/Hoses Check out our other listings for a different year of vehicle or the larger 5/8" I.D. hose version.1/2" I.D. 5,250 PSI DOUBLE Steel Braided R16 Hose with abrasion resistant exterior provides more protection to prevent against rub through or road hazardsCR Performance uses High quality R16 hose rather than cheaper R2 like some competitors. R2 is the wrong hose for this application requiring turns and bends. High Quality, crimped on, zinc plated (1) piece steel hose ends are used on our Duramax transmission linesMade by CR Performance, a trusted USA manufacturer of the Duramax Transmission lines. Detailed, easy to follow instructions with photos. CR Performance uses only the best materials and make sure you are receiving a quality made product.Lifetime Warranty for Quality. Buy with confidenceNote: Fitment on non-OEM components is not guaranteed. Aftermarket coolers and radiators may need ORB M22 x1.5 to -10AN (JIC) Male fittings. Free Priority 2-3 business days shipping time to all 50 states. If you have any questions feel free to message anytime. Replace your leak prone Chevy/GMC Duramax transmission lines before they leave you stranded!