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Four Seasons 74901 HVAC Heater Control Valve - Front
| Brand | Four Seasons 74901 |
|---|---|
| Position | Front |
| Bypass? | No |
| Description | Single Solenoid Electronic Heater Valve |
| Fitting Size End 1 | 0.75 |
| Fitting Size End 2 | 0.75 |
| Hose Connector Quantity | 2 Connectors |
| Material | Thermoplastic / Steel |
| Mounting Hardware Included | Not Included |
| O.E. Replacement? | Yes |
| Opening B IN | 0.6875 |
| Opening IN | 0.750 |
| Operation Type | Electric Valve |
| Port Quantity | 2 |
| Style | Non-Bypass |
| Terminal Gender | female |
| Terminal Quantity | 2 |
| Type | Heater Valves |
| Product line | Heater Valve |
| Fits | BMW · 23 vehicles |
OE replacement. Direct-fit heater control valve for straightforward installation.
Single solenoid design. Electric valve operation gives precise coolant flow control.
Thermoplastic and steel. Durable construction for dependable HVAC performance.
Cross-references Four Seasons 74901, Gates EHV108 and URO 64116928495 for the same application. See all 6.
BMW Heater Valve Replacement
Restore proper cabin temperature control with this Four Seasons Heater Valve, part number 74901. This OE replacement electric heater control valve uses a single solenoid design with thermoplastic and steel construction for BMW HVAC systems that need accurate coolant flow control.
Four Seasons Heater Valve line components are built for temperature-control service in automotive HVAC systems, with fitment-focused replacement parts for common import applications. This 74901 heater valve is a direct-style solution for BMW X1, X3, X5, X6, and select 3 Series models listed below.
Key Features
- Four Seasons part number 74901
- HVAC heater control valve for coolant flow regulation
- Single solenoid electronic heater valve
- Electric valve operation with 2 female terminals
- 2 hose connectors and 2 ports
- Non-bypass style
- 0.75 in. fitting size on both ends
- Thermoplastic / steel construction
- OE replacement design
- Cross-reference: Gates EHV108
Detailed Description
This heater valve is used in BMW heating and climate control systems to regulate hot coolant flow through the heater circuit. The Four Seasons 74901 is a non-bypass, electric heater valve with a single solenoid layout, making it a direct-fit style replacement for vehicles that rely on electronic coolant control for cabin heat. If you are replacing a BMW heater control valve on an X5, X6, X3, X1, or 325i/330i platform, this part number 74901 is built around the original equipment configuration.
Compatible With: 2013-2015 BMW X6; 2010-2012 BMW X6; 2010 BMW X1; 2010 BMW X3; 2010 BMW X5; 2008-2010 BMW X6; 2007-2009 BMW X3; 2007-2009 BMW X5, front; 2006 BMW 325i; 2006 BMW 325xi; 2006 BMW 330i; 2006 BMW 330xi. Note: 2013-2015 BMW X6 is not compatible with vehicles equipped with Four Zone Climate Control. 2010-2012 BMW X6 and 2010 BMW X1/X3/X5 note that rear A/C is not included in this assembly.
Common Problems This Part Can Address
- Inconsistent or no cabin heat
- Heater output stuck hot or stuck cold
- Faulty coolant flow through the heater circuit
- Electrical heater valve failure
- Climate control temperature imbalance in BMW HVAC systems
Installation Notes and Tips
Verify the connector style, port count, and 0.75 in. hose sizing before installation. Mounting hardware is not included, so reuse serviceable original hardware where applicable. Confirm vehicle equipment details carefully, especially Four Zone Climate Control on 2013-2015 BMW X6 models and rear A/C configuration on the listed 2010-2012 and 2010 applications. This part number 74901 should be matched to the exact HVAC layout shown in the fitment data.
Quality Assurance
This Four Seasons heater valve is an OE replacement part built to match the original application requirements for BMW HVAC temperature control service. Part number 74901 is also cross-referenced to URO 64116928495 for the same application.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | BMW | X6 | 3.0L | L6 | — | N/A | Not compatible with vehicles equipped with Four Zone Climate Control.; Heater Valve |
| 2014 | BMW | X6 | 3.0L | L6 | — | N/A | Not compatible with vehicles equipped with Four Zone Climate Control.; Heater Valve |
| 2013 | BMW | X6 | 3.0L | L6 | — | N/A | Not compatible with vehicles equipped with Four Zone Climate Control.; Heater Valve |
| 2012 | BMW | X6 | 3.0L | L6 | — | N/A | Rear A/C not included in this assembly.; Heater Valve |
| 2011 | BMW | X6 | 3.0L | L6 | — | N/A | Rear A/C not included in this assembly.; Heater Valve |
| 2010 | BMW | X1 | 3.0L | L6 | — | N/A | Rear A/C not included in this assembly.; Heater Valve |
| 2010 | BMW | X3 | 3.0L | L6 | — | N/A | Rear A/C not included in this assembly.; Heater Valve |
| 2010 | BMW | X5 | 3.0L | L6 | — | N/A | Rear A/C not included in this assembly.; Heater Valve |
| 2010 | BMW | X6 | 3.0L | L6 | — | N/A | Rear A/C not included in this assembly.; Heater Valve |
| 2010 | BMW | X6 | 3.0L | L6 | GAS | N/A | Rear A/C not included in this assembly.; Heater Valve |
| 2010 | BMW | X6 | 4.4L | V8 | ELECTRIC/GAS | N/A | Heater Valve |
| 2009 | BMW | X3 | 3.0L | L6 | — | N/A | Heater Valve |
| 2009 | BMW | X5 | 3.0L | L6 | — | Front | Heater Valve |
| 2009 | BMW | X6 | — | — | — | N/A | Heater Valve |
| 2008 | BMW | X3 | 3.0L | L6 | — | N/A | Heater Valve |
| 2008 | BMW | X5 | 3.0L | L6 | — | Front | Heater Valve |
| 2008 | BMW | X6 | — | — | — | N/A | Heater Valve |
| 2007 | BMW | X3 | 3.0L | L6 | — | N/A | Heater Valve |
| 2007 | BMW | X5 | 3.0L | L6 | — | Front | Heater Valve |
| 2006 | BMW | 325i | — | — | — | N/A | Heater Valve |
| 2006 | BMW | 325xi | — | — | — | N/A | Heater Valve |
| 2006 | BMW | 330i | — | — | — | N/A | Heater Valve |
| 2006 | BMW | 330xi | — | — | — | N/A | Heater Valve |
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