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Dorman 626-321 HVAC Heater Core Tube
Overview of Dorman HVAC Heater Core Tube 626-321
The Dorman HVAC Heater Core Tube 626-321 is designed specifically for Dodge Ram 2500 and Ram 3500 models. Constructed from durable steel, this 12-inch heater core tube ensures reliable performance within your vehicle's HVAC system.
- Material: Steel for strength and durability
- Length: 12 inches
- End Types: Hose connections on both ends for secure fitment
- Inside Diameter: 0.7 inches
- Color/Finish: Black
- Maximum Working Pressure: 100 psi
- Single component construction for simplified installation
- No gasket, seal, heat shield, or protective sleeve included or required
- Package includes one coolant tube
Detailed Product Description
The Dorman 626-321 HVAC Heater Core Tube is engineered to meet the specific requirements of Dodge Ram 2500 and Ram 3500 trucks. Made from steel, this tube offers resistance to corrosion and wear, ensuring long-term durability under typical operating conditions. Its 12-inch length and 0.7-inch inside diameter are designed to match OEM specifications, providing a precise fit and optimal coolant flow. Both ends feature hose connections, facilitating straightforward integration with existing HVAC hoses. The black finish adds a protective layer against environmental factors without the need for additional heat shields or protective sleeves.
Common Applications and Issues Addressed
- Replacement of damaged or corroded heater core tubes in Dodge Ram 2500 and Ram 3500
- Resolving coolant leaks within the HVAC system
- Restoring proper heater core coolant flow for effective cabin heating
- Addressing HVAC system failures related to compromised heater core tubing
- Maintaining system pressure up to 100 psi to prevent coolant loss
Installation Notes and Tips
Installation of the Dorman 626-321 heater core tube requires basic mechanical skills and standard hand tools. Ensure the vehicle is cooled down before beginning work to avoid injury from hot coolant. Carefully remove the old heater core tube and inspect surrounding hoses for wear or damage. Since this part does not include gaskets or seals, reuse existing seals if in good condition or replace as necessary. Confirm hose connections are secure to prevent leaks. No heat shield or protective sleeve installation is required, simplifying the replacement process.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 626-321 heater core tube undergoes quality inspections to ensure durability and performance in Dodge Ram 2500 and Ram 3500 vehicles. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.
| Brand | Dorman |
|---|---|
| Part Number | 626-321 |
| Color/Finish | Black |
| Construction Type | Single Component |
| Coolant Hose Heat Shield Included | No Heat Shield Required |
| Coolant Hose Protective Sleeve Included | No Protective Sleeve Required |
| End 1 Type | Hose |
| End 2 Type | Hose |
| Gasket Or Seal Included | No |
| Inside Diameter | 0.7 |
| Length | 12 |
| Material | Steel |
| Maximum Working Pressure (psi) | 100 PSI |
| Package Contents | 1 Coolant Tube |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2005 | Dodge | Ram 3500 | 5.9L | L6 | N/A | |
| 2004 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2004 | Dodge | Ram 3500 | 5.9L | L6 | N/A | |
| 2003 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2003 | Dodge | Ram 3500 | 5.9L | L6 | N/A |
* 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.