Description
Part Number: AF49-1903
Aeroflow Bosch Motorsport 621cc EV14 Medium USCAR Fuel Injector
Genuine Bosch Motorsport high-impedance fuel injector supplied by Aeroflow Performance for high-output naturally aspirated and forced induction engines.
Key Features
- ☑ High-flow 621cc/min (56 lb/hr) output at 3 bar (43.5 psi) fuel system pressure
- ☑ Genuine Bosch EV14 technology with medium body length (48.50mm o-ring to o-ring)
- ☑ High impedance (12 Ohms) suitable for ECU saturated drivers without external resistor boxes
- ☑ USCAR electrical connector interface for clean, straightforward wiring connection
- ☑ Multi-fuel compatible with Pump 98 unleaded, E85 bio-ethanol, and race fuels
- ☑ Wide dual-cone spray pattern providing excellent fuel atomization and smooth low-speed driveability
Technical Specifications
| Brand | Aeroflow Performance / Bosch Motorsport |
|---|---|
| Part Number | AF49-1903 |
| Bosch Cross Reference | 0 280 158 298 / 0280158298 |
| Flow Rate | 621 cc/min (56 lb/hr) @ 3 Bar (43.5 PSI) |
| Body Style | EV14 Medium (48.50mm body length / 65.50mm overall length) |
| Connector Type | USCAR |
| Impedance | High Impedance (12 Ohms) |
| O-Ring Diameter | 14mm Top & Bottom |
| Fuel Compatibility | Petrol (Pump 98), E85, Ethanol, Methanol (flush required after methanol use) |
What’s Included in the Box
- 1x Aeroflow Bosch Motorsport 621cc EV14 Medium Fuel Injector (AF49-1903)
- Pre-installed upper and lower 14mm fuel-rated O-rings
Engineered for linear flow and high system pressure handling, Aeroflow’s line of genuine Bosch Motorsport injectors ensures precise metering under extreme racing conditions. Available directly from JP Racing with full technical customer support and fast dispatch throughout the UK.







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