L5P Duramax Sensor 2017-2023 OEM 12683486

Overview

This is a diesel engine sensor for the Chevrolet, GMC L5P Duramax diesel (2017-2023). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade L5P Duramax repair or service. Every order ships fast and is backed by our support team.

What It Does & How It Helps

Engine sensors are how the ECM sees what the engine is doing — pressure, temperature, position or flow — and it trims fuel, timing and boost from their signals. When a sensor drifts or fails you get a check-engine light, hard starting, poor power, smoke, or a drop into limp mode. A direct-fit replacement built to OE performance restores an accurate signal so the ECM can control the engine correctly again, clearing the fault at its source instead of masking it.

What's Included

• a direct-fit replacement diesel sensor built to OE performance

Fitment

Fits Chevrolet, GMC trucks equipped with the L5P Duramax diesel engine, 2017-2023. Please confirm your engine and year before ordering to ensure correct fitment.

Common Symptoms & When to Use

Consider this L5P Duramax part when you experience:

• a check-engine light with a sensor performance code
• hard starting, a no-start or stalling
• erratic running, poor power or smoke
• limp mode traced to a failed sensor

Specifications

• OEM Part Number: 12683486
• Engine: L5P Duramax
• Year Range: 2017-2023

Quality & Service

Fast shipping on in-stock orders. Free shipping on orders over $70. Backed by Core Diesel Parts — your source for L5P Duramax diesel parts.