Transmission Cooler Line Fitting 5/8-18UNF Compatible with Chevrolet Silverado 1500 1999-2013, GMC Sierra 1500 2003-2013, Cadillac Escalade, Leak Repair Replacement

🔧 WHY REPLACE THIS PART Over time, original transmission cooler line fittings can wear out, crack, or loosen due to constant heat, pressure, and vibration. A failing connector may cause: Transmission fluid leaks Transmission overheating Hard, delayed, or rough shifting Premature transmission damage Costly repair bills Replacing worn fittings early helps maintain proper fluid flow, protect your transmission system, and avoid expensive repairs. 🔧 WHY CHOOSE H-Jun ✔ Heavy-duty steel construction for strength and durability ✔ Strong sealing performance helps prevent fluid leaks ✔ Excellent resistance to high temperature and pressure ✔ Direct replacement design – no modification required ✔ Reliable and cost-effective alternative to OEM parts 🔧 SPECIFICATIONS Thread Size: 5/8-18UNF Material: Steel Finish: Yellow Zinc Plated Quantity: 2PCS Type: Transmission Cooler Line Fitting Fitment Type: Direct Replacement 🔧 COMPATIBLE WITH Compatible with Select Chevrolet Models: For Chevrolet Silverado (1999-2014) For Chevrolet Avalanche V8 5.3L (2007-2013) For Chevrolet Avalanche 1500 V8 5.3L (2002-2006) For Chevrolet Silverado 1500 V8 5.3L (1999-2013) For Chevrolet Silverado 1500 V6 4.3L (2005-2013) For Chevrolet Silverado 1500 V8 4.8L (2003-2013) For Chevrolet Suburban 1500 V8 5.3L (2000-2014) For Chevrolet Tahoe V8 4.8L (2000-2009) For Chevrolet Tahoe V8 5.3L (2000-2014) Compatible with Select Cadillac Models: For Cadillac Escalade (2002-2014) For Cadillac Escalade V8 6.0L (2002-2006) For Cadillac Escalade V8 6.2L (2007-2013) Compatible with Select GMC Models: For GMC Sierra (1999-2014) For GMC Sierra 1500 V8 4.8L (2005-2013) For GMC Sierra 1500 V8 5.3L (2003-2013) For GMC Yukon V8 5.3L (2000-2014) For GMC Yukon V8 6.2L (2007-2014) For GMC Yukon XL 1500 V8 5.3L (2000-2014) Compatible with Select Hummer Models: For Hummer (2003-2009) 🔧 NOT COMPATIBLE IF ✘ Thread size is not 5/8-18UNF ✘ Different engine size or incompatible model ✘ Modified transmission cooling system ✘ Custom aftermarket radiator without matching thread size

• Perfect Fit – Fits for Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, Tahoe, Yukon, Suburban, Avalanche, Hummer and more. Thread size: 5/8-18UNF. Direct replacement for original transmission cooler line fittings. Please confirm your thread size before purchase.
• ⚠️ Check Before Buying – If you have replaced your radiator, the original connector size may change. Please verify thread size (5/8-18UNF) using the size chart to ensure proper fit.
• Fix Transmission Fluid Leaks – Replaces worn, cracked or leaking fittings to restore proper fluid flow. Helps prevent overheating, rough shifting and costly transmission damage.
• Made of heavy-duty steel for high strength, durability and pressure resistance. Built to withstand high temperature transmission systems and ensure long-lasting performance.
• Package & Support – Includes 2PCS transmission cooler line connectors. Easy to install with no modification required. Contact us anytime for support, we respond within 24 hours.