Upgrade your LML/LGH Duramax (2011-2014) with the Dorman 904-421 NOx Sensor for reliable performance and durability. This high-quality sensor fits directly into the factory location, ensuring easy installation and optimal function.

Key Features:

• Factory Fit: Designed to match the original equipment sensor, providing a precise fit and seamless integration.
• Durable Construction: Built to withstand high temperatures and vibrations, ensuring long-lasting performance under demanding conditions.
• Simple Installation: No need to remove the intake manifold, making the replacement process quick and hassle-free.
• OE Quality at a Great Value: Offers original equipment quality at a cost-effective price, delivering reliable performance without breaking the bank.

Ensure accurate NOx readings and maintain your vehicle's emissions system with the Dorman 904-421 NOx Sensor. Order today for a dependable and easy upgrade.