SKU: 4599-RA017 | UPC: 4957266556245
HKS 4mm Vacuum Filter 4599-RA017 Universal Fit Turbocharged JDM Vehicles
The HKS 4mm Vacuum Filter installs inline on vacuum lines to block dirt particles from reaching boost solenoids blow-off valves and controllers. It fits universal 4mm ID hoses on performance vehicles including Subaru WRX STI Nissan Skyline GT-R 350Z and Toyota Supra. This filter maintains consistent vacuum signal flow for dependable boost management and part protection.
Key Features
- 4mm Diameter: Matches standard vacuum hose inner diameter for seamless inline integration without flow restriction
- Mesh Filtration: Stainless steel mesh traps contaminants down to 50 microns preventing solenoid blockages and valve failures
- Durable Brass Housing: Corrosion-resistant construction withstands engine bay heat oil exposure and high-pressure vacuum pulses
- Reusable Design: Easily removable cleaned with solvent and reinstalled to extend service life
- Genuine HKS Engineering: Precision-machined for exact fit in HKS EVC boost controllers SQV blow-off valves and twin power ignitions
Product Notes
- Inspect and clean filter every 10k miles or during boost system maintenance
- Pair with HKS 4mm vacuum hose for complete system reliability
- Compact size fits tight engine bays without clearance issues
Installation Notes
- Professional installation recommended.
- Cut vacuum hose to length insert filter between hose sections using push-on fit
- Compatible with barbed fittings and small hose clamps for secure retention
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2021 | Subaru | Impreza | WRX STI |
| 2003-2009 | Nissan | 350Z | All |
| 1999-2002 | Nissan | Skyline | GT-R R34 |
| 1993-1998 | Toyota | Supra | Turbo |
| 2002-2007 | Subaru | Impreza | WRX |
| Universal | All | Turbo Models | 4mm Vacuum Lines |
Why Choose HKS?
- 40+ years developing JDM motorsport components for rally and drift champions
- Every part tested on high-boost race engines for proven vacuum system durability
- Made in Japan with micron-level tolerances for leak-free performance
Frequently Asked Questions
- Q: Will this fit HKS SQV or EVC systems on my WRX STI?
A: Yes it threads directly inline on 4mm vacuum lines for SQV blow-off valves EVC boost controllers and similar HKS turbo setups on Subaru STI and other JDM cars - Q: What material is the filter made from?
A: Brass body with fine stainless steel mesh rated for 50-micron filtration resists corrosion and handles -30 to +250F temperatures - Q: Is installation DIY and what warranty applies?
A: Simple push-fit install takes 5 minutes no special tools needed. HKS offers defect warranty through authorized distributors
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: HKS retail box 2.5 x 1.5 x 1 inches protective foam insert
- Weight: 0.05 lbs
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