Throttle Body Adapter Bosch DBW 74mm to 3.0” Silicone Hose
 
✅ In Stock – Ships Immediately
 
Simplify your intake setup without compromise.

The Ichiban Engineering Throttle Body Adapter Bosch DBW 74mm to 3.0” Silicone Hose is the perfect solution for connecting a Bosch 74mm electronic drive-by-wire (DBW) throttle body directly to a 3.0-inch silicone intake hose — no welding, no fabrication, just perfect fitment.
 
Each adapter is 5-axis CNC-machined from aerospace-grade 6061-T651 billet aluminum, ensuring superior accuracy, flow consistency, and strength. Designed with a precision O-ring sealing groove, it provides a leak-free, boost-ready connection that performs flawlessly under extreme conditions.
Engineered for performance, this adapter maintains smooth airflow through the transition from throttle outlet to hose coupling — improving response and reliability for both street and motorsport applications.
 
Key Features
 
5-Axis CNC Machined Precision
Machined to exact tolerances for a perfect fit, seamless geometry, and exceptional sealing surface quality.
Aerospace-Grade 6061-T651 Billet Aluminum
Combines lightweight strength, rigidity, and heat resistance for high-performance applications.
Optimized Flow Design
Internal taper ensures smooth, unrestricted airflow with minimal turbulence — improving throttle response.
O-Ring Sealed Interface
Precision-cut groove guarantees 100% airtight performance under high boost or vacuum conditions.
3.0” Silicone Hose Compatibility
Direct connection to standard 3.0-inch silicone intake hoses — no clamps, couplers, or modifications required.
Custom Anodized Finishes
Available in multiple anodized color options to match your engine bay or build style.
 
This Bosch 74mm to 3.0” hose adapter combines functional design with flawless execution — the professional choice for builders who demand OEM-quality precision in custom setups.
 
⚙️ Fits Bosch 74mm DBW throttle bodies with 3.0” (76mm) hose outlets.
📧 For more anodizing options or bulk orders, contact sales@ichibanengineering.com