Product Description
The CUMMINS 3918188 OEM 8MM FUEL SYSTEM SEALING WASHER is designed for 1989–1998 5.9L Cummins diesel engines. This genuine Cummins sealing washer is used throughout various fuel system connections to help maintain a leak-free seal and proper fuel system operation.
Use this washer when servicing fuel lines, banjo fittings, fuel transfer components, or other fuel system connections requiring an 8mm sealing washer. Always verify fitment by engine serial number and application before ordering.
FEATURES
- Genuine Cummins OEM sealing washer
- Designed for 8mm fuel system connections
- Helps prevent fuel leaks and air intrusion
- Direct replacement for worn or damaged sealing washers
- Ideal for fuel system repairs, maintenance, and rebuilds
FITMENT
- 1989–1993 Dodge Ram 2500/3500 5.9L Cummins 12-Valve
- 1994–1998 Dodge Ram 2500/3500 5.9L Cummins 12-Valve
- Select Cummins 5.9L industrial and commercial applications
- Used in various fuel system sealing locations requiring an 8mm washer
WHAT'S INCLUDED
- 1 Cummins 3918188 OEM 8mm Fuel System Sealing Washer
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3918188
- Cummins Fuel System Service Components
- Cummins Banjo Bolts and Fuel Line Hardware
- Cummins Fuel Transfer Pump Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3918188
- Part Type: Fuel System Sealing Washer
- Size: 8mm
- Engine Compatibility: 5.9L Cummins
- Fitment Years: 1989–1998
- Vehicle Application: Dodge Ram 2500 and 3500
- Condition: New OEM Cummins
- System Application: Fuel System
- Installation Type: Direct Replacement
FAQ
Will this sealing washer fit my truck?
This washer is commonly used on 1989–1998 5.9L Cummins fuel system applications. Always verify your application and part number before ordering.
Is this a genuine Cummins part?
Yes. Cummins 3918188 is a genuine OEM sealing washer manufactured to Cummins specifications.
What is included?
This listing includes one Cummins 3918188 OEM 8mm fuel system sealing washer.
When should this washer be replaced?
Sealing washers should be replaced whenever the fuel system connection is disassembled to help prevent leaks and maintain proper sealing.
What happens if a sealing washer fails?
A damaged sealing washer can allow fuel leaks or air intrusion into the fuel system, potentially affecting performance and reliability.
Do I need any related parts?
Inspect banjo bolts, fuel lines, fittings, transfer pump components, and other sealing surfaces during installation and replace worn parts as necessary.
