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Dorman 904-312 Fuel Injector O-Ring Kit
Fuel Injector Seal Kit for Ram 2500 and 3500
Dorman 904-312 is a fuel injector O-ring kit for specified engine applications in 1994-1998 Dodge Ram 2500 and Dodge Ram 3500 models. It provides the seals needed for a full injector seal replacement and uses durable rubber construction to handle fuel, oil, and high-temperature exposure.
Key Features
- Fuel injector O-ring kit for specified Dodge Ram diesel and gasoline engine service applications
- Rubber seals in black finish for fuel system sealing
- Square rim shape with 0.61 inside diameter, 0.748 outside diameter, and 0.065 thickness
- Includes injector seals, crush washers, and a banjo seal for the listed application
- Dorman 904-312 for direct service use on compatible Ram 2500 and Ram 3500 models
Detailed Description
This Dorman fuel injector O-ring kit is built for engine service where injector sealing components need replacement due to age, heat cycling, or fuel exposure. The rubber construction is selected to resist contact with fuel and oil while maintaining sealing performance in demanding underhood conditions. For 1994-1998 Dodge Ram 2500 and 1994-1998 Dodge Ram 3500 applications, Dorman 904-312 provides the sealing components required for injector-related maintenance. This part cross-references 4429356 for the same application.
What It Helps Address
- Fuel seepage around injector sealing points
- Hard starting caused by injector seal leakage
- Fuel odor from worn O-rings or seals
- Oil contamination at injector service points
- Loss of sealing integrity after heat and age exposure
Installation Notes and Tips
Inspect injector bores, banjo sealing surfaces, and related hardware before installation. Clean all mating surfaces thoroughly and replace worn or damaged components during service. Verify the engine application against the vehicle’s service information before beginning work. Fits 1994-1998 Dodge Ram 2500, N/A. Fits 1994-1998 Dodge Ram 3500, N/A.
Quality Assurance
Dorman manufactures this injector seal kit using durable materials intended to withstand fuel, oil, and extreme temperature exposure. Dorman 904-312 is built for service work where reliable sealing is required on the specified Ram applications.
| Brand | Dorman |
|---|---|
| Part Number | 904-312 |
| Material | Rubber |
| Color | Black |
| Inside Diameter | 0.61 |
| Thickness | 0.065 |
| Outside Diameter | 0.748 |
| Rim Shape | Square |
| O-Ring Quantity | 6 |
| Package Contents | 6 seals; 6 crush washers; 1 banjo seal |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Dodge | Ram 2500 | 5.9L | L6 | N/A | O-Ring Kit |
| 1998 | Dodge | Ram 3500 | 5.9L | L6 | N/A | O-Ring Kit |
| 1997 | Dodge | Ram 2500 | 5.9L | L6 | N/A | O-Ring Kit |
| 1997 | Dodge | Ram 3500 | 5.9L | L6 | N/A | O-Ring Kit |
| 1996 | Dodge | Ram 2500 | 5.9L | L6 | N/A | O-Ring Kit |
| 1996 | Dodge | Ram 3500 | 5.9L | L6 | N/A | O-Ring Kit |
| 1995 | Dodge | Ram 2500 | 5.9L | L6 | N/A | O-Ring Kit |
| 1995 | Dodge | Ram 3500 | 5.9L | L6 | N/A | O-Ring Kit |
| 1994 | Dodge | Ram 2500 | 5.9L | L6 | N/A | O-Ring Kit |
| 1994 | Dodge | Ram 3500 | 5.9L | L6 | N/A | O-Ring Kit |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.