Interstate McBee - Navistar / Ford® 7.3L Power Stroke External O-Ring Kit - MCBS0008

The Interstate-McBee External O-Ring Kit (MCBS0008) is designed for reliable injector sealing on Navistar® 7.3L Power Stroke engines. Whether you're performing maintenance or injector replacement, this kit includes the essential external seals to restore proper function and prevent fuel leaks. Backed by over 75 years of fuel system expertise, Interstate-McBee delivers the quality you can trust.

Key Features:

• Compatible with Navistar® / Ford® 7.3L Power Stroke diesel engines

• Restores external injector sealing to prevent leaks

• High-quality materials meet or exceed OEM standards

• Ideal for maintenance, repairs, or injector installs

• Built to support long-term durability and engine performance

Specs:

• Application: 7.3L Power Stroke (1994–2003 Ford® trucks)

• Part Number: MCBS0008

Kit Includes (BOM Parts List):

• M-F5TZ-9229-B1 – Ring, Back-Up (1)

• M-F5TZ-9229-B2 – Ring, Cushion (1)

• M-F5TZ-9229-B3 – O-Ring (1)

• M-F5TZ-9229-B6 – Lower Injector Seal (1)

• M-F5TZ-9229-B7 – Copper Injector Seal (1)

• M-F5TZ-9229-B8 – Seal Ring (1)

• 4X6 PRINTED 2C-1S – Clear PMG VCI Bag (1)

⚠️ Opened packages are not eligible for return.