Mazworx SR20 Billet Water Neck/Thermo Housing Set

Upgrade your Nissan SR20 engine cooling system with the Mazworx SR20 Billet Water Neck and Thermostat Housing Set. This premium replacement is CNC machined from durable T-6061 billet aluminum, offering superior strength and precision over the factory water neck outlet and thermostat housing.

Key Features

• Direct replacement for the factory water neck on SR20 engines.
• Available in multiple configurations to suit your vehicle setup: Rear-Wheel Drive (RWD) and VE Front-Wheel Drive/All-Wheel Drive (FWD/AWD). Note that the VE FWD/AWD configuration fits only VE/VET housings.
• Enhanced water flow for improved cooling efficiency.
• Precision CNC machining ensures excellent fitment and durability.
• Finished in your choice of Purple, Black, or natural Billet color options.
• Features multiple threaded outlets for additional fittings:
  • 1/8″ NPT port on top for sensor or accessory installation.
  • 1/4″ NPT port on the front for auxiliary connections.
• Necks are machined to accommodate -16AN fittings for versatile integration with aftermarket cooling components.

This high-quality billet set provides a reliable and performance-oriented upgrade to your SR20 cooling setup, ensuring improved water circulation and engine temperature management. Choose the correct configuration and color to match your build and enjoy enhanced durability and aesthetics.