Yes. The new hose barb and compression fitting are backward compatible. Please be aware that the old-style fittings are not forward compatible and won't open the Stealthamajig valve to allow fluid to flow through the lever assembly.
To find out if your lever has Stealth-a-majig feature just remove the rubber hose boot from your lever and check it for a Stealth-a-majig laser mark.
TECH TIP: Be sure to tighten the compression nut to 8Nm.