OE Quality
60-Day Returns

Four Seasons 74928 HVAC Heater Control Valve
Reliable Electronic Heater Valve for Dodge and Mercedes-Benz
The Four Seasons Heater Valve 74928 is a single solenoid electronic heater valve designed to regulate coolant flow efficiently. Engineered with durable steel construction, this electric valve is compatible with select Dodge and Mercedes-Benz models, including the E350, Sprinter 2500, and Sprinter 3500.
- Single solenoid electronic heater valve for precise temperature control
- Constructed from durable steel for long-lasting performance
- Features 2 connectors and 2 terminal pins for secure electrical connections
- Non-bypass style valve ensuring proper coolant flow management
- Opening dimensions: 0.86 inches (21.74 mm) and 0.73 inches (18.43 mm)
- Electric operation type for reliable heater control
About the Four Seasons Heater Valve Product Line
The Heater Valve line from Four Seasons focuses on temperature control components designed to maintain optimal HVAC system performance. This product line includes electronically controlled valves like the 74928, which provide precise coolant flow regulation to ensure consistent cabin heating. The non-bypass design of this valve supports efficient heater core operation in various vehicle applications.
Detailed Product Description
The Four Seasons Heater Valve 74928 is an electric valve constructed from steel, providing durability and resistance to wear. It operates via a single solenoid, allowing for controlled opening and closing to regulate coolant flow through the heater core. The valve features two connectors and two terminal pins, facilitating secure electrical connections within the HVAC system. Its non-bypass style ensures that coolant is directed properly without bypassing the heater core, which is critical for maintaining consistent cabin temperature. The valve openings measure 0.86 inches (21.74 mm) and 0.73 inches (18.43 mm), dimensions that align with OEM specifications for compatible vehicles.
Compatible Vehicles and Common Applications
- Designed for Dodge E350 models requiring electronic heater valve replacement
- Compatible with Mercedes-Benz Sprinter 2500 and Sprinter 3500 HVAC systems
- Addresses heater core flow issues such as inconsistent cabin heat
- Resolves problems related to faulty or stuck heater valves
- Helps eliminate coolant leaks and electrical connection failures in heater control valves
Installation Notes and Tips
When installing the Four Seasons Heater Valve 74928, ensure the vehicle’s HVAC system is depressurized and cooled to avoid injury. Verify electrical connector compatibility and secure connections to prevent operational issues. Follow vehicle-specific service manual instructions for removal and installation to maintain system integrity. Proper alignment of the valve openings is essential for optimal coolant flow and heater performance.
Quality Assurance and Warranty
Four Seasons manufactures the Heater Valve 74928 to meet or exceed OEM standards, using high-quality steel and reliable electronic components. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.
| Brand | Four Seasons |
| Part Number | 74928 |
| Position | Heater Valve |
| Description | Single solenoid electronic heater valve |
| Material | Steel |
| Number of Connectors | 2 connectors |
| Opening B IN | 0.73 |
| Opening B MM | 18.43 |
| Opening IN | 0.86 |
| Opening MM | 21.74 |
| Operation Type | Electric valve |
| Style | Non-bypass |
| Terminal Pin Qty. | 2 |
| Type | Heater valves |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Mercedes-Benz | E350 | N/A | Heater Valve w/ Auxiliary Heater (Shut-Off Valve); Heater Valve |
| 2010 | Mercedes-Benz | E350 | N/A | Heater Valve w/ Auxiliary Heater (Shut-Off Valve); Heater Valve |
| 2009 | Mercedes-Benz | E350 | N/A | Heater Valve w/ Auxiliary Heater (Shut-Off Valve); Heater Valve |
| 2008 | Dodge | Sprinter 2500 | N/A | Heater Valve |
| 2008 | Dodge | Sprinter 3500 | N/A | Heater Valve |
| 2008 | Mercedes-Benz | E350 | N/A | Heater Valve w/ Auxiliary Heater (Shut-Off Valve); Heater Valve |
| 2007 | Dodge | Sprinter 2500 | N/A | Heater Valve |
| 2007 | Dodge | Sprinter 3500 | N/A | Heater Valve |
| 2007 | Mercedes-Benz | E350 | N/A | Heater Valve w/ Auxiliary Heater (Shut-Off Valve); Heater Valve |
| 2006 | Mercedes-Benz | E350 | N/A | Heater Valve w/ Auxiliary Heater (Shut-Off Valve); Heater Valve |
* 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.