BCBC MWP-526WS Engine Water Pump

Overview

This Melling engine water pump is a standard replacement part built for stock applications that use a gear- and chain-driven mechanical cooling system. Part number MWP-526WS is engineered with an aluminum housing, steel impeller, and fitted seal for dependable coolant circulation.

Compatible with a wide range of GM and Saab applications, including Chevrolet Malibu, Chevrolet Cobalt, and Saturn Vue models. Part number MWP-526WS is individually leak tested to verify sealing performance under operating conditions.

Key Features

• Standard replacement water pump for mechanical cooling systems
• Aluminum housing with steel impeller construction
• Includes pulley and back housing for the listed application
• Fitted seal and leak-tested assembly
• Gear and chain drive design with OEM flow rate

Detailed Description

The Melling MWP-526WS engine water pump is built for stock-fit cooling system service where reliable coolant flow is required. Its mechanical design uses a gear and chain drive, a bolted attachment method, and a six-vane steel impeller to support consistent circulation. The aluminum housing and natural finish provide a durable replacement configuration for vehicles that call for this style of pump.

This part fits 2004-2014 Chevrolet Malibu, 2005-2010 Chevrolet Cobalt, and 2002-2010 Saturn Vue, along with additional Buick, Pontiac, Saturn, Saab, GMC, and Chevrolet applications listed in the fitment table. The MWP-526WS is also cross-referenced to Airtex AW5092 and Gates 43529 for the same application.

What It Helps Address

• Coolant circulation problems caused by a worn pump
• Leakage from a failing pump seal or housing
• Noisy or inefficient mechanical water pump operation
• Overheating related to reduced coolant flow
• Fitment issues when replacing a stock-style pump

Installation Notes

Verify the drive type, pulley configuration, and included drive sprocket requirement before installation. This pump uses a bolted mounting pattern and does not include mounting hardware. Confirm gasket and seal surfaces are clean and inspect the cooling system for contamination before fitting the replacement.

Quality Assurance

Melling manufactures this water pump to production standards using quality materials and current manufacturing methods. Each unit is leak tested under conditions intended to duplicate engine operating conditions for added verification before use.