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Dorman 800-605 Transmission Line Connector 3/8" x 5/8"-18 GM 00-06 Direct Fit Replacement for Select GM Models (2000-2006) Verified Fitment Guarantee
Engineered specifically for your make and model
✓ Buick Century 1998-2000 ✓ Pontiac Montana 2000 ✓ Pontiac Grand Prix 1998-2000 ✓ Pontiac Bonneville 2000-2005 ✓ Oldsmobile Silhouette 2000 ✓ Oldsmobile Intrigue 1998-1999 ✓ Oldsmobile Bravada 1996-2001 ✓ Hummer H2 2003 ✓ GMC Yukon XL 2500 2000-2003 ✓ GMC Yukon XL 1500 2000-2003 ✓ GMC Yukon 2000-2003 ✓ GMC Sonoma 1996-2003 ✓ GMC Sierra 3500 2001-2003 ✓ GMC Sierra 2500 HD 2001-2003 ✓ GMC Sierra 2500 1999-2003 ✓ GMC Sierra 1500 1999-2003 ✓ GMC Savana 4500 2009-2016 ✓ GMC Savana 3500 1996-2018 ✓ GMC Savana 2500 1996-2018 ✓ GMC Savana 1500 1996-2014 ✓ GMC Safari 1996-2005 ✓ GMC P3500 1998-1999 ✓ GMC K3500 1995-1999 ✓ GMC K2500 Suburban 1995-1999 ✓ GMC K2500 1995-2000 ✓ GMC K1500 Suburban 1995-1999 ✓ GMC K1500 1995-1999 ✓ GMC Jimmy 1996-2005 ✓ GMC G3500 1996 ✓ GMC C3500HD 1995-2002 ✓ GMC C3500 1995-2000 ✓ GMC C2500 Suburban 1995-1999 ✓ GMC C2500 1995-2000 ✓ GMC C1500 Suburban 1995-1999 ✓ GMC C1500 1995-1999 ✓ Chevrolet Venture 2000 ✓ Chevrolet Tahoe 1995-2003 ✓ Chevrolet Suburban 2500 2000-2003 ✓ Chevrolet Suburban 1500 2000-2003 ✓ Chevrolet Silverado 3500 2001-2003 ✓ Chevrolet Silverado 2500 HD 2001-2003 ✓ Chevrolet Silverado 2500 1999-2003 ✓ Chevrolet Silverado 1500 HD 2001-2003 ✓ Chevrolet Silverado 1500 1999-2003 ✓ Chevrolet S10 1996-2003 ✓ Chevrolet P30 1998-1999 ✓ Chevrolet Monte Carlo 1998-2001 ✓ Chevrolet Lumina 1998-2001 ✓ Chevrolet K3500 1995-2000 ✓ Chevrolet K2500 Suburban 1995-1999 ✓ Chevrolet K2500 1995-2000 ✓ Chevrolet K1500 Suburban 1995-1999 ✓ Chevrolet K1500 1995-1999 ✓ Chevrolet Impala 2000-2001 ✓ Chevrolet G30 1996 ✓ Chevrolet Express Pasajeros 2012 ✓ Chevrolet Express Cargo 2009, 2012, 2016 ✓ Chevrolet Express 4500 2009-2018 ✓ Chevrolet Express 3500 1996-2018 ✓ Chevrolet Express 2500 1996-2018 ✓ Chevrolet Express 1500 1996-2014 ✓ Chevrolet C3500HD 1995-2002 ✓ Chevrolet C3500 1995-2000 ✓ Chevrolet C2500 Suburban 1995-1999 ✓ Chevrolet C2500 1995-2000 ✓ Chevrolet C1500 Suburban 1995-1999 ✓ Chevrolet C1500 1995-1999 ✓ Chevrolet Blazer 1996-2005 ✓ Chevrolet Avalanche 2500 2002-2003 ✓ Chevrolet Avalanche 1500 2002-2003 ✓ Chevrolet Astro 1996-2005 ✓ Cadillac Seville 1998-2004 ✓ Cadillac Escalade EXT 2002-2003 ✓ Cadillac Escalade ESV 2003 ✓ Cadillac Escalade 2002-2003 ✓ Cadillac DeVille 1998-2005 ✓ Buick Regal 1998-2000 ✓ Buick Park Avenue 2000-2004 ✓ Buick LeSabre 2000-2005 Advanced Engineering Excellence
Professional-grade components that set us apart
✓ Exact Fit
Engineered to match the original equipment connector for a seamless installation.
✓ Corrosion Resistant
Constructed with high-quality materials to resist rust and corrosion.
✓ Complete Kit
Includes connector, O-rings, and clips for a professional repair.
✓ Durable Design
Built to withstand high-pressure transmission fluid and extreme temperatures.
✓ Easy Installation
Quick-connect design reduces installation time.
✓ Versatile Compatibility
Fits a wide range of GM trucks and SUVs from 2000 to 2006.
Product Overview
Everything you need to know about this premium component
The Dorman 800-605 Transmission Line Connector is a premium replacement part designed to restore the integrity of your vehicle’s transmission cooling system. Crafted from high-strength materials, this connector features a 3/8" tube and 5/8"-18 thread for a precise fit. It includes all necessary components for a complete repair, ensuring a leak-free connection. Compatible with a broad range of GM vehicles, including Chevrolet Silverado, Tahoe, Suburban, GMC Sierra, Yukon, and more from 2000 to 2006. Dorman’s rigorous testing guarantees OE-level performance and durability, making it the smart choice for both professional mechanics and DIY enthusiasts.
Complete Installation Package
Ready-to-install with everything you need
✓ Transmission Line Connector ✓ O-Ring ✓ Retaining Clip ✓ Installation Guide Professional Grade Assurance
Backed by industry-leading quality standards
🛡️ Rigorously tested to meet OE specifications 🛡️ Backed by Dorman's limited lifetime warranty 🛡️ Manufactured in ISO-certified facilities 🛡️ Quality inspected for leak-free performance Risk-Free Purchase 💰 Risk-Free Purchase Protection
Complete satisfaction or full refund within 30 days
✅ Easy Returns Simple return process with prepaid shipping labels ✅ Full Refund 100% money back including original shipping costs ✅ Fast Processing Refunds processed within 2-3 business days
Same-day shipping • Professional packaging • Total peace of mind
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