Engine Coolant Heater Extension Cable 84564686 Compatible with 19-25 Chevy Silverado 1500 20-24 Silverado 25/3500 HD Duramax Trucks 21-24 GMC Yukon/XL Sierra Cadillac Escalade Replaces# 84368753

NOVAPARTS Engine Coolant Heater Extension Cable Model: 84564686 Designed for Chevrolet, GMC, and Cadillac heavy-duty trucks and SUVs, the NOVAPARTS Engine Coolant Heater Extension Cable is the ultimate solution for cold-weather vehicle maintenance. Crafted with precision manufacturing and OEM-grade materials, this cable seamlessly fits 2019-2025 Silverado 1500, 2020-2024 Silverado HD Series, and compatible GMC and Cadillac models, ensuring 100% compatibility with factory electrical systems. Key Benefits: Precise Fit: Strict adherence to OEM specifications ensures perfect plug dimensions and protection ratings, eliminating compatibility issues. Durable Construction: Features a high-temperature-resistant silicone outer jacket and oxidation-proof tinned copper core, engineered to withstand extreme temperatures from -40°C to 120°C. Enhanced Performance: Reduces cold-start engine wear, shortens warm-up time, extends battery life, and minimizes energy consumption during preheating. Hassle-Free Installation: Clearly labeled connectors and foolproof design enable installation in just 3 minutes—no expertise required. Ideal For: Daily winter use in extreme cold regions Addressing frequent cold-start issues caused by short-trip driving Extending the lifespan of diesel engines (e.g., Duramax) in low-temperature conditions Package Includes: 1x NOVAPARTS Engine Coolant Heater Extension Cable (84564686) Upgrade your vehicle’s preheating system today and ensure year-round protection! Technical Specifications: Material: High-Temp Silicone + Tinned Copper Core Temperature Resistance: -40°C ~ 120°C Certifications: RoHS, CE, ISO 9001 Warranty: 1-Year Limited Warranty

• 【Wide Compatibility】Compatible with 2019-2025 Chevy Silverado 1500, 2020-2024 Silverado 2500/3500 HD Duramax Trucks, 2021-2024 GMC Yukon/XL Sierra, and Cadillac Escalade. Direct replacement for OEM parts #84368753, #84744850, #84789749
• 【OEM-Quality Replacement】Engineered for extreme conditions with heat-resistant materials and corrosion-resistant coating, ensuring seamless integration and long-lasting performance
• 【Easy Installation】Plug-and-play design requires no modifications or special tools, ideal for both DIY enthusiasts and professional mechanics
• 【Winter Performance Boost】Enhances engine warm-up efficiency, reduces cold-start wear, improves fuel economy, and ensures reliable performance in freezing temperatures
• 【Certified Safety】Rigorously tested to meet industry safety standards, delivering stable current flow and preventing short circuits for ultimate electrical system protection