The black trigger has the new o'ring seal with it. This trigger has ONE slot as shown in the photo above. Compare that information to your tool to verify that you are buying the correct trigger for your Ingersoll Rand tool.
Ingersoll Rand Trigger Assembly Replacement Part for Ingersoll Rand 2135 Series
INGERSOLL RAND 2146 TK2 TUNE UP & REPAIR KIT TRIGGER+BUTTONS 2146Q1MAX,2146Q2MAX
2131-TK2 INGERSOLL RAND 2131-TK2 CUSTOM 1/2" DR. TUNE UP KIT + 2131-D93 TRIGGER
INGERSOLL RAND 2141 TK1+2141 A329 REV VALVE+2141 A93 TRIGGER+2141 K75 BUTTON KIT
INGERSOLL RAND 2145-K75 BUTTON KIT+2141-A329 REVERSE VALVE+2145-D93 TRIGGER
INGERSOLL RAND 2235 TK1+2135 D565A BUSHNG KIT+2135 K75 BUTTONS+2135 D93 TRIGGER
