Parts Geek – For 2009 Mercedes R320 Fuel Pressure Regulator Bosch 39849JV 3.0L V6. For 2009 Mercedes R320 Fuel Pressure Regulator Bosch 39849JV 3.0L V6. Review Fitment Notes to Ensure Proper Fit. Diesel Fuel Metering Unit — New. End of line testing using the exact OE test specifications. Guaranteed to provide OE performance and meet […]