HKS 4mm Hose Vacuum Cap

Universal Fitment for Turbocharged Vehicles

Part #: 14999-AK018

Overview

The HKS 4mm Hose Vacuum Cap is a high-quality, race-proven component designed to ensure optimal performance and reliability in your turbocharged setup. Whether you're working with HKS sport & GT turbos, cast iron turbo manifolds, or Turbo Set-Up Kits, this vacuum cap provides a secure seal for your vacuum lines, preventing leaks and maintaining consistent boost pressure. Crafted with the highest standards in materials and engineering, this vacuum cap is an essential accessory for enthusiasts seeking durability and performance in their turbo system.

Designed for universal application, the HKS vacuum cap is suitable for a wide range of turbo-related components. Its precise 4mm inner diameter ensures a snug fit on various hoses, making it an ideal choice for custom setups, race cars, or upgraded turbo systems. By sealing off unused vacuum ports or lines, this cap helps support your vehicle's performance, responsiveness, and overall reliability.

Key Features

The HKS 4mm Hose Vacuum Cap offers several key features that make it a reliable choice for performance enthusiasts:

• Constructed from high-quality, durable materials that withstand high temperatures and aggressive engine environments.
• Universal 4mm inner diameter fits a wide range of hoses and vacuum lines commonly used in turbocharged applications.
• Engineered with precision to provide a secure, leak-free seal, preventing boost leaks and maintaining optimal pressure.
• Race-proven design ensures consistent performance under demanding conditions.
• Easy to install and remove without tools, making maintenance and adjustments straightforward.
• High-quality manufacturing standards ensure long-lasting durability and resistance to cracking or degradation over time.

Construction & Design

The HKS vacuum cap is made from premium materials that combine flexibility with strength, ensuring a tight seal and resistance to heat and chemicals commonly found in engine bays. Its simple yet effective design allows for quick installation and removal, making it a practical choice for both professional tuners and DIY enthusiasts. The compact, universal size ensures compatibility with various hoses, while the high-quality construction guarantees longevity and consistent performance in demanding racing or street environments.

Installation & Fitment

The HKS 4mm Hose Vacuum Cap is designed for easy, bolt-on installation. Simply slide the cap onto the vacuum port or hose, ensuring a snug fit. No additional tools or modifications are required. Its universal size makes it compatible with most 4mm vacuum lines, making it suitable for a wide range of turbo systems and aftermarket components. This product is ideal for sealing unused vacuum ports or protecting open lines in your turbo setup, helping to prevent dirt, debris, and leaks from compromising your system's performance.

• Easy to install and remove by hand
• No cutting or special tools required
• Suitable for use with various turbo components and hoses

What's Included

• HKS 4mm Hose Vacuum Cap

Ideal For

• Turbocharged vehicles requiring vacuum line sealing
• Performance enthusiasts upgrading or maintaining turbo systems
• Race cars and street vehicles seeking reliable, high-quality components
• DIY tuners and professional mechanics working on turbo setups