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Four Seasons 39291 A/C Expansion Valve - Rear
| Brand | Four Seasons 39291 |
|---|---|
| Position | Rear |
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.41 |
| Liquid Inlet Size MM | 10.5 |
| Liquid Inlet Style | FIO |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | Insert O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | FIO |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Insert O-Ring |
| Lqd Out Size IN | 0.540 |
| Lqd Out Size MM | 13.6 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24666] / Green O-Ring |
| O-Ring B Number/Desc | [24668] / Green O-Ring |
| O-Ring C Number/Desc | [24670] / Green O-Ring |
| O-Ring D Number/Desc | [24672] / Green O-Ring |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.650 |
| Suc In Size MM | 16.4 |
| Suc Out Size IN | 0.78 |
| Suc Out Size MM | 19.7 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 10 |
| Suction Inlet Style | FIO |
| Suction Inlet Thread Type | Not Threaded |
| Suction Inlet Type | Insert O-Ring |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | FIO |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | Insert O-Ring |
| Super Heat | -2.000 |
| Switch Included? | Not Included |
| Tonnage | 2.0 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | BMW · 25 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable A/C flow control.
Aluminum block type. Lightweight construction with a compact, service-friendly design.
R134A compatible. Built for modern refrigerant systems without a solenoid.
Cross-references Four Seasons 39291, Global Parts Distributors LLC 3411796 and UAC EX10238C for the same application. See all 16.
Four Seasons 39291 Expansion Valve
Four Seasons 39291 is a block-type A/C expansion valve for R134A systems, built in aluminum for rear HVAC service on select BMW applications. It is an OE-style replacement that meets or exceeds OEM requirements and is listed for 2.0 ton systems.
Key Features
- Brand: Four Seasons Expansion Valve line
- Part number: 39291
- Block-type A/C expansion valve for R134A refrigerant
- Aluminum construction with aluminum finish
- Rear HVAC application for select BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li models
- Female FIO insert O-ring inlet and outlet connections
- Meets or exceeds OEM specifications
- Style: w/o solenoid
Product Details
The Four Seasons Expansion Valve product line focuses on precise refrigerant metering for automotive air conditioning systems. This Four Seasons 39291 expansion valve uses a block-type design with female suction and liquid connections, insert O-ring fittings, and aluminum construction for service on rear A/C systems. It is specified for R134A refrigerant and is listed with a -2.000 super heat setting for the application. This part cross-references UAC EX10238C for the same application.
Vehicle Fitment
- Fits 2006-2009 BMW 750i, Rear, Expansion Valve
- Fits 2006-2009 BMW 750Li, Rear, Expansion Valve
- Fits 2003-2008 BMW 760Li, Rear, Expansion Valve
- Fits 2004-2006 BMW 760i, Rear, Expansion Valve
- Fits 2002-2005 BMW 745i, Rear, Expansion Valve
- Fits 2002-2005 BMW 745Li, Rear, Expansion Valve
What It Helps Address
- Rear A/C vent air that is not cooling properly
- Refrigerant flow control issues in the expansion valve circuit
- Uneven evaporator performance in the rear HVAC system
- System service needs on BMW rear climate control repairs
- Replacement of a worn or restricted R134A expansion valve
Installation Notes
Verify the vehicle’s rear HVAC configuration, refrigerant type, and connection style before installation. Confirm the suction and liquid line sizes, O-ring style, and mounting hole layout match the original part. Replace seals as needed during A/C service, evacuate the system properly, and recharge with the specified refrigerant amount after repair.
Quality Assurance
Four Seasons lists this expansion valve as meeting or exceeding OEM requirements for the specified application. The aluminum construction and OE-style fitment support accurate replacement service for compatible BMW rear A/C systems.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | BMW | 750i | Rear | Expansion Valve |
| 2009 | BMW | 750Li | Rear | Expansion Valve |
| 2008 | BMW | 750i | Rear | Expansion Valve |
| 2008 | BMW | 750Li | Rear | Expansion Valve |
| 2008 | BMW | 760Li | Rear | Expansion Valve |
| 2007 | BMW | 750i | Rear | Expansion Valve |
| 2007 | BMW | 750Li | Rear | Expansion Valve |
| 2007 | BMW | 760Li | Rear | Expansion Valve |
| 2006 | BMW | 750i | Rear | Expansion Valve |
| 2006 | BMW | 750Li | Rear | Expansion Valve |
| 2006 | BMW | 760i | Rear | Expansion Valve |
| 2006 | BMW | 760Li | Rear | Expansion Valve |
| 2005 | BMW | 745i | Rear | Expansion Valve |
| 2005 | BMW | 745Li | Rear | Expansion Valve |
| 2005 | BMW | 760i | Rear | Expansion Valve |
| 2005 | BMW | 760Li | Rear | Expansion Valve |
| 2004 | BMW | 745i | Rear | Expansion Valve |
| 2004 | BMW | 745Li | Rear | Expansion Valve |
| 2004 | BMW | 760i | Rear | Expansion Valve |
| 2004 | BMW | 760Li | Rear | Expansion Valve |
| 2003 | BMW | 745i | Rear | Expansion Valve |
| 2003 | BMW | 745Li | Rear | Expansion Valve |
| 2003 | BMW | 760Li | Rear | Expansion Valve |
| 2002 | BMW | 745i | Rear | Expansion Valve |
| 2002 | BMW | 745Li | Rear | Expansion Valve |
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