OE Quality
60-Day Returns

Dorman 904-8055 O-Ring Assortment
Dorman 904-8055 O-Ring Assortment
Dorman 904-8055 is an O-ring assortment built to match the fit and function of original seals used in common vehicle repairs. It combines rubber and copper sealing components in round profiles for service work where reliable sealing is critical.
Key Features
- OE-style replacement O-ring assortment for automotive repair
- Round O-ring rim shape for standard sealing applications
- Rubber and copper construction for different service needs
- Green and copper finish for easy identification during service
- Includes O-rings and washers for repair applications
- Part number 904-8055 for quick lookup and ordering
Detailed Description
This Dorman O-ring assortment is engineered to match the fit and function of original seals used on specified vehicles. The assortment includes rubber O-rings and copper washers with listed size ranges that support common sealing repairs on systems where precise dimensions matter. For technicians servicing Dorman 904-8055 applications, the mix of green and copper sealing pieces helps maintain the correct seal profile during maintenance and component replacement. This part cross-references 3867471 for the same application.
What It Helps Repair
- Fluid seepage at sealed connections
- Leaks caused by worn or flattened O-rings
- Seal failure during routine maintenance
- Damaged washers at service fittings
- Loss of sealing integrity after disassembly
Installation Notes and Tips
Verify the required inside diameter, outside diameter, and thickness before installation. Clean the sealing surfaces thoroughly and inspect mating parts for scoring, corrosion, or debris. Use the correct seal type for the repair location, and avoid reusing damaged sealing components. Confirm the application against the vehicle service information before installing Dorman 904-8055 on a Honda Civic, Toyota Camry, or other specified make and model.
Quality Assurance
Dorman designs this assortment to replicate original equipment fit and function for specified repair applications. The listed dimensions and material details support accurate part selection for service work on vehicles such as Honda Civic and Toyota Camry applications.
| Brand | Dorman |
|---|---|
| Part Number | 904-8055 |
| Carrying Case Included | No |
| Bin Quantity | 0 |
| O-Ring Rim Shape | Round |
| Color/Finish | Green; copper |
| Material | Rubber; copper |
| O Ring Maximum Inside Diameter | 0.864 in; 0.309 in |
| O Ring Maximum Outside Diameter | 1 in; 0.593 in |
| O Ring Maximum Thickness | 0.07 in; 0.287 in |
| O Ring Minimum Inside Diameter | 0.864 in; 0.305 in |
| O Ring Minimum Outside Diameter | 1 in; 0.589 in |
| O Ring Minimum Thickness | 0.07 in; 0.280 in |
| Package Contents | 6 o-rings; 6 washers |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* 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.