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Dorman 994-451 Vapor Canister
Overview of Dorman Vapor Canister 994-451
The Dorman 994-451 vapor canister is designed to support the evaporative emission control system in Dodge Ram trucks. Engineered with durable plastic housing and polyurethane filter elements, this vapor canister helps maintain proper fuel vapor management for Ram 1500, 2500, and 3500 models.
- Compatible with Dodge Ram 1500, Ram 2500, and Ram 3500 trucks
- Part number 994-451 for precise identification
- Durable plastic housing construction in black finish
- Includes polyurethane felt filter elements for effective vapor filtration
- Three ports with outside diameters of 0.511 and 0.688 inches
- Length of 6.5 inches for proper fitment
- No mounting hardware or connectors included
Detailed Product Description
The Dorman 994-451 vapor canister is a critical component of the evaporative system designed to capture and store fuel vapors from the fuel tank, preventing them from escaping into the atmosphere. This vapor canister features a robust plastic housing that resists corrosion and environmental damage. Inside, the filter elements are made from polyurethane felt, which efficiently traps fuel vapors while allowing clean air to pass through. The canister includes three ports with specific outside diameters (0.511 and 0.688 inches) to ensure proper connection with the vehicle’s evaporative system hoses. Measuring 6.5 inches in length, this vapor canister is engineered to fit Dodge Ram 1500, Ram 2500, and Ram 3500 trucks, providing reliable emission control performance.
Common Applications and Issues Addressed
- Helps reduce evaporative emissions in Dodge Ram trucks
- Prevents fuel vapor leaks that can trigger check engine lights
- Supports proper fuel system pressure regulation
- Addresses issues related to failed or clogged vapor canisters
- Maintains compliance with emission control standards
Installation Notes and Tips
When installing the Dorman 994-451 vapor canister, ensure all connections to the evaporative system ports are secure and free of cracks or damage. Since mounting hardware is not included, reuse existing brackets or hardware from the original part. Verify that the canister’s ports match the hose diameters on your Dodge Ram 1500, 2500, or 3500 to ensure a proper seal. It is recommended to inspect related components such as purge valves and hoses during installation for optimal system performance.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 994-451 vapor canister undergoes quality checks to ensure durability and reliable operation within the evaporative system. Please refer to Dorman’s official warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 994-451 |
| Inside Diameter | 0.333 |
| Inside Diameter | 0.544 |
| Filter Element Material | Felt |
| Filter Element Material | Fieltro |
| Filter Element Material | Poliuretano |
| Filter Element Material | Polyurethane |
| Mounting Hardware Included | No |
| Mounting Hardware Included | Non |
| Connector Quantity | 0 |
| Housing Material | Plastic |
| Housing Material | Plástico |
| Terminal Quantity | 0 |
| Filter Elements Included | Oui |
| Filter Elements Included | Sí |
| Filter Elements Included | Yes |
| Port Quantity | 3 |
| Port Outside Diameter | 0.511 |
| Port Outside Diameter | 0.688 |
| Color/Finish | Black |
| Color/Finish | Negro |
| Color/Finish | Noir |
| Contenidos del paquete | Canasta de evaporación |
| Length | 6.5 in |
| Length | 6.5in |
| Package Contents | Evap canister |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Ram | 2500 | 4WD | 5.7L | V8 | N/A | w/Short Wide Canister |
| 2010 | Dodge | Ram 2500 | 5.7L | V8 | N/A | w/Short Wide Canister | |
| 2009 | Dodge | Ram 2500 | 5.7L | V8 | N/A | w/Short Wide Canister | |
| 2008 | Dodge | Ram 2500 | 5.7L | V8 | N/A | w/Short Wide Canister | |
| 2008 | Dodge | Ram 3500 | 5.7L | V8 | N/A | w/Short Wide Canister | |
| 2007 | Dodge | Ram 2500 | 5.7L | V8 | N/A | w/Short Wide Canister | |
| 2007 | Dodge | Ram 3500 | 5.7L | V8 | N/A | w/Short Wide Canister | |
| 2006 | Dodge | Ram 1500 | 5.7L | V8 | N/A | w/Short Wide Canister | |
| 2005 | Dodge | Ram 1500 | 5.7L | V8 | N/A | w/Short Wide Canister | |
| 2004 | Dodge | Ram 1500 | 5.7L | V8 | N/A | w/Short Wide Canister |
* 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.