Aluminum 5/8 to 3/4 Inch Hose Connector for LS Steam Port
Aluminum 5/8 to 3/4 Inch Hose Connector for LS Steam Port
Aluminum Radiator Hose Connector — 5/8" to 3/4" for LS Engine Steam Port Systems
Upgrade your LS engine cooling system with this precision-machined aluminum hose connector. Designed to bridge 5/8 inch (16mm) and 3/4 inch (19mm) inner diameter hoses, this compact reducer fitting ensures a smooth, leak-free transition between different hose sizes in automotive cooling, heater, and steam port circuits. Whether you're performing an LS swap or refreshing your factory cooling setup, this fitting delivers professional-grade performance at a great price.
Key Features
- Smooth Size Transition: Connects 5/8" (16mm) and 3/4" (19mm) inner diameter hoses effortlessly, minimizing fluid resistance and supporting efficient coolant flow in low-pressure automotive systems.
- LS Engine Steam Port Compatible: Purpose-built for LS series engine steam port modification applications, including LS1, LS2, LS3, LS6, and related variants commonly found in performance builds and engine swaps.
- Machined Aluminum Alloy Construction: CNC-machined from high-strength aluminum alloy for excellent heat resistance, corrosion resistance, and long-lasting mechanical durability — a clear step up from plastic or polymer alternatives.
- Multi-Layer Barbed Design: Dual barbed ends firmly grip the inner hose wall for a secure, stable seal. A central limiting flange makes installation straightforward and ensures accurate positioning every time.
- Versatile Fitment: Suitable for radiator water hoses, heater hoses, vacuum lines, coolant circulation systems, steam pipes, and other low-pressure fluid lines.
Specifications
| Material | Aluminum Alloy |
| Size | 5/8" to 3/4" (16mm to 19mm) |
| Length | 1.97 inches (approx. 50mm) |
| Application | LS Engine Steam Port, Automotive Cooling Systems |
| Country of Origin | Made in China |
Package Includes
- 1x Aluminum Steam Port Hose Connector Fitting
Notes
- Please allow ±1–2 cm tolerance due to manual measurement.
- Actual color may vary slightly from product images due to monitor differences.
Learn more: FuelEconomy.gov driving efficiency guidance
Frequently Asked Questions
Q: What LS engine models is this aluminum hose connector compatible with?
A: This aluminum radiator hose connector is designed for use with LS series engines, including LS1, LS2, LS3, and LS6 variants. It is widely used in LS swaps and cooling system upgrades requiring a steam port connection adapter between 5/8" and 3/4" hoses.
Q: Is this fitting suitable for high-temperature automotive cooling systems?
A: Yes. The CNC-machined aluminum alloy construction provides excellent heat resistance and corrosion resistance, making it well-suited for use in automotive radiator hoses, heater hoses, coolant circulation systems, and steam port lines operating under normal low-pressure conditions.
Q: Do I need any special tools or clamps to install this hose connector?
A: No special tools are required. The multi-layer barbed design on each end grips the hose interior securely, and the central limiting flange acts as a built-in positioning stop for easy, hands-on installation. Standard hose clamps are recommended for added security in high-vibration environments.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.