LML Duramax Water Pump 2011-2016 OEM 19251027 - ACDelco

Overview

This is an engine water pump for the Chevrolet, GMC LML Duramax diesel (2011-2016). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade LML Duramax repair or service. Every order ships fast and is backed by our support team.

What It Does & How It Helps

The water pump circulates coolant through the block, heads and radiator to carry heat away from the engine. A worn bearing gets noisy, the shaft seal starts weeping coolant, and a failing impeller lets the engine overheat under load. A new OE-spec water pump, with its gasket or seal, restores full coolant flow and reliable engine cooling — best replaced at the first sign of a leak or bearing noise, before it strands you.

What's Included

• a water pump and its gasket or seal as specified

Fitment

Fits Chevrolet, GMC trucks equipped with the LML Duramax diesel engine, 2011-2016. Please confirm your engine and year before ordering to ensure correct fitment.

Common Symptoms & When to Use

Consider this LML Duramax part when you experience:

• a coolant leak at the pump
• a noisy or failing water-pump bearing
• overheating from poor coolant flow
• a water pump service

Specifications

• OEM Part Number: 19251027
• Engine: LML Duramax
• Year Range: 2011-2016

Quality & Service

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