2017-2019 Silverado Sierra Duramax DEF Fluid Tank Reservoir Wire Harness Genuine OEM 1.0 lb

What is the 2017-2019 Chevrolet Silverado GMC Sierra Duramax DEF Fluid Tank Reservoir Wire Harness?

This genuine OEM wire harness connects the DEF (Diesel Exhaust Fluid) tank reservoir’s sensors and heating elements in 2017-2019 Chevrolet Silverado and GMC Sierra trucks equipped with Duramax diesel engines. It ensures correct electrical signals for the DEF system, critical for emissions control performance.

Features & Benefits

• Exact factory replacement for damaged or corroded DEF tank wire harness
• Provides accurate DEF fluid level sensor readings to the vehicle’s computer
• Supports heater element operation to prevent DEF freezing in cold weather
• Manufactured to OEM specifications for perfect fit and reliability
• Restores proper DEF system function and avoids sensor warnings or malfunctions
• Same quality harness as sold at Chevrolet and GMC dealerships

Material & Build

Crafted from durable high-quality wiring and connectors engineered to withstand automotive environmental conditions, this genuine OEM harness ensures secure electrical connections and resistance to corrosion, heat, and vibration typical in the DEF tank area.

Use Cases / Applications

• Replaces faulty or damaged DEF tank reservoir wire harness in 2017-2019 Chevrolet Silverado Duramax diesel models
• Compatible with 2017-2019 GMC Sierra Duramax diesel trucks
• Maintains proper operation of DEF sensors and heaters to comply with emissions requirements
• Essential part for troubleshooting DEF system alerts and ensuring emissions system integrity

Care & Shipping

Ships directly from Houston, TX, from a trusted warehouse ensuring fast delivery and careful handling. The wire harness is brand new and ready for immediate installation without modifications.