HiSport Fuel Injection Pressure Regulator Kit 3.8BAR with Clip Snap Ring — OE-Quality, Tested

HiSport's 3.8BAR Fuel Injection Pressure Regulator Kit with clip snap ring precisely controls fuel rail pressure to restore proper fuel delivery for compatible engines.

If your engine is experiencing poor idling, rough acceleration or inconsistent fuel trim, a worn or damaged fuel pressure regulator can be the cause. The HiSport 3.8BAR regulator kit is built to meet or exceed OE standards and ships with the clip snap ring required for a correct install. Each unit is fully tested before packing; confirm the OEM part numbers and fitment before ordering to ensure compatibility.

How do I know this regulator fits my vehicle?

Start by matching the OEM part numbers listed for compatibility. Check the part numbers stamped on your existing regulator or consult your vehicle’s parts catalog to confirm compatibility.

• OEM part numbers covered: 19236428 and 2173299
• Compare shape, mounting style and connector type with photos
• Contact support with VIN or photos if you're unsure

What performance differences will I notice after replacement?

Replacing a failing regulator restores consistent fuel rail pressure, which helps return engine response and idle stability to expected levels. You should notice smoother acceleration and improved throttle response when the regulator is functioning properly.

• More consistent idle and fewer stalling events
• Improved acceleration from a steady fuel supply
• Reduced fuel pressure-related diagnostic trouble codes

Is the HiSport regulator easy to install and what’s included?

The kit is designed for a direct replacement and includes the clip snap ring needed for reassembly. Basic mechanical skill and standard tools are typically sufficient, but professional installation is recommended if you’re not experienced with fuel-system components.

• Complete regulator assembly rated at 3.8BAR
• Clip snap ring included for secure mounting
• Pre-inspected and 100% QA-tested before shipping

How durable and reliable is this HiSport regulator?

Manufactured to meet or exceed original equipment standards, HiSport regulators are built for long-term stable performance under typical engine operating conditions. Every unit passes quality inspection prior to packing to help ensure dependable operation out of the box.

• Constructed to OE-standard tolerances for fit and function
• Quality-tested to reduce risk of early failure
• Recommended to replace with OEM-compatible parts and seals

Who is this for: This HiSport 3.8BAR fuel injection pressure regulator kit is aimed at DIY mechanics, professional technicians and vehicle owners who need an OEM-compatible replacement for part numbers 19236428 or 2173299. Choose this kit if you require a direct-fit regulator with the included clip snap ring, expect OE-level quality and want a unit that is tested before shipment. If you are unsure about fitment, provide your VIN or consult a qualified mechanic before installation.