Fuel Injector Components, O-rings, Seals, Filters, Caps

From Top Left, clockwise:

• 3-138 - Insulator, Fuel Rail, Asian Import
• 10399SL - Injector Sleeve, Aluminum, Green
• 3-015 - O-ring, 15 mm RED, GM
• 3-271 - O-ring, Bosch, 14.5 mm, Blue
• 3-108 - O-ring, 14.5 mm BLACK, Domestic fuel rail/intake
• 3-144 - O-ring, 11.5 mm GREEN
• 3-237 - O-ring, 16.5 mm, European/Porsche, Intake (not pictured)
• 3-121 - O-ring, 20 mm O-ring BLACK, Nissan. Lower intake (not pictured)
• 3-140 - Seal, Intake, 16 mm, Asian Import
• 3-141 - O-ring, 11.5 mm black (not pictured)
• 3-510 - O-ring, 14 mm Black-Ops, Blue (not pictured)
• 3-227 - O-ring, 14.5 mm Black-Ops lower o-ring (not pictured)
• 3-511 - O-ring, 15.0 mm Black-Ops L-series lower o-ring (not pictured)
• 3-200 - O-ring, 14.5 mm Denso lower o-ring (not pictured)
• 3-100 - O-ring, 14.5 mm BROWN, U.S. Domestic/European (not pictured)
• 2-140 - O-ring retainer, Bosch Gen III (not pictured)
• 2-500 - Lower Pintle Cap, Denso
• 2-115 - Lower Pintle Cap, Mazda, Toyota
• 1-109 - Filter Basket, Internal  (universal)
• 2-138 - Pintle Cap, Delphi / GM 
• 3-174 - Seal, Toyota/Lexus lower seal black (not pictured)
• 3-107 - Seal, lower, European / LTR450