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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HKS
HKS is a Japanese manufacturer of premium performance parts founded in 1973 that has been at the forefront of turbocharged engine development, producing turbochargers, exhaust systems, engine management, intercoolers, and supporting performance components for some of the most iconic Japanese sports cars ever built. The brand's GT and GTIII turbocharger series, Super Sequential Blow Off Valves, and Racing Suction intake kits are recognized globally as benchmark-quality products that combine Japanese manufacturing precision with decades of motorsport development experience. HKS products are particularly well-known in the Toyota Supra, Mitsubishi Evo, Subaru STI, Nissan GT-R, and Honda NSX communities, where the brand's heritage in building the world's fastest versions of these cars has created a loyal following among enthusiasts who want the best available components. From a simple racing suction kit to a complete GT turbo with intercooler and ECU tune, HKS provides an end-to-end perf...
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