Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
SPDZ1 MAC 35A 3-Port Boost Control Solenoid Valve – 12V 5.4W
Achieve precise and stable boost control with the SPDZ1 MAC 3-Port Boost Control Solenoid, the same high-quality valve trusted by top EFI tuners and standalone ECU systems worldwide. Designed around the proven MAC 35A-AAA-DDBA-1BA platform, this 12-volt solenoid offers fast response times, consistent boost regulation, and long-term reliability—perfect for turbocharged street cars, drag builds, and professional motorsport applications.
This solenoid allows your ECU or standalone boost controller to manipulate turbocharger pressure more accurately, enabling faster spool, smoother transitions, and rock-solid boost stability under demanding conditions. It’s a universal 3/2-way valve, meaning it can be used for both open- or closed-loop boost control configurations.
Please note this item does not include fittings or filters, this is specifically designed as a true replacement product for your existing faulty valve, normally all fittings and filters can be moved over to this valve from your existing one.
✅ Key Features:
Genuine MAC 35A Series 3-Port Solenoid Valve
Compatible with most aftermarket ECUs and boost controllers (AEM, Haltech, Link, Hondata, etc.)
12V coil, 5.4W operation for rapid and reliable switching
Compact and lightweight aluminum body for tight engine bays
Supports open or closed-loop boost control setups
Ideal for turbocharged or supercharged vehicles seeking precise boost management
🧩 Technical Specs:
Type: 3-Port / 3-Way (3/2 Valve)
Model: 35A-AAA-DDBA-1BA
Voltage: 12 Volts DC
Power: 5.4 Watts
Ports: 1/8” NPT
Duty Cycle: 0–100% PWM capable
Operating Pressure: Up to 120 PSI
🏁 Applications:
Universal for turbocharged gasoline or diesel engines
Compatible with most electronic boost controllers and standalone ECUs
Perfect for AEM, Haltech, Link, Hondata, Megasquirt, Motec, and other EFI systems
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.