GZGN Electric Engine Water Pump with Thermostat for BMW 335i, X5, 435i & More | OE#11518635090

Engine cooling you can rely on

Introducing the GZGN electric engine water pump with thermostat, a direct replacement designed for a broad set of BMW models. Crafted for daily driving and occasional performance runs, this unit aims to maintain a steady operating temperature and support smooth, efficient cooling. While outcomes can vary by vehicle and driving conditions, many drivers notice more stable temperatures and calmer cooling cycles when the part fits correctly and is installed with care.

Key benefits at a glance

• Direct replacement compatible with a wide range of BMW models, including 335i, 435i, X5 and M series variants
• Aluminum housing paired with a plastic impeller for strength without excessive weight
• Thermostat included to assist in regulating engine temperature alongside the electric pump
• Complete kit with wiring harness and bolts for a ready-to-install solution
• Professional balance and leak testing prior to shipment for added reliability
• One-year service warranty with responsive support to help with questions or concerns

What’s included and how it’s built

• 1 x water pump
• 1 x thermostat
• 1 x wiring harness
• 3 x bolts

• Housing Material: Aluminum
• Impeller Material: Plastic
• Drive Type: Electric
• Includes Back Housing: No
• Fitment Type: Direct Replacement

Quality you can feel

Designed to endure the heat and vibration of BMW engines, the unit emphasizes durable construction and precise fit. Pre-shipment testing includes balance checks and leak resistance to help ensure dependable performance after installation. The combination of an aluminum housing and a lightweight plastic impeller is chosen to balance durability with efficiency, supporting steady cooling performance across typical driving scenarios.

Real-world use and care

For daily commutes, the pump can contribute to stable cooling during stop-and-go traffic. In more dynamic driving, it works alongside the thermostat to respond to rising engine temperatures. In hot climates, the system is designed to help maintain a comfortable temperature range, potentially reducing heat soak and promoting consistent engine behavior.

Installation and support

This is a direct replacement kit, designed to simplify installation with a wiring harness and bolts included. GZGN backs the product with a one-year warranty and 24/7 online support to address questions about fitment or compatibility. If you are unsure about model-specific compatibility, please compare the OE numbers listed in your vehicle documentation with the part numbers provided.