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Nissens 9991075 A/C Expansion Valve
| Brand | Nissens 9991075 |
|---|---|
| Material | Aluminum |
| Refrigerant Type | R134 |
| Type | Block |
| Mounting Hardware Included | Yes |
| O-ring Quantity | 4 |
| O-rings Included | Yes |
| Fits | Lexus · 30 vehicles |
OE matching standards. Built and validated for precise pressure performance, tightness, and opening control.
Aluminum construction. Lightweight material helps support reliable thermal expansion valve performance.
O-rings included. Comes with sealing rings and mounting bolts whenever applicable.
Cross-references Global Parts Distributors LLC 3411360, UAC EX10103C and 1550048 for the same application. See all 6.
Nissens A/C Expansion Valve 9991075
The Nissens 9991075 A/C expansion valve is a block-style thermal expansion valve built for precise refrigerant control in the HVAC system. It is made from aluminum and uses R134 refrigerant, with OE-matching pressure performance, tightness, opening behavior, set-point calibration, and internal finish.
Compatible With Lexus SC430, GS300, GS430, IS300, and GS400 applications, this valve is a direct-fit service part for restoring proper air conditioning operation. The Nissens 9991075 also includes O-rings and mounting hardware where applicable, helping support a cleaner replacement process.
Key Features
- Block-style thermal expansion valve for automotive A/C systems
- Aluminum construction for HVAC service applications
- Configured for R134 refrigerant systems
- O-rings included
- Mounting hardware included
- Built and tested to OE-matching standards for pressure performance and sealing
- Cross-reference part numbers include UAC EX10103C and Global Parts Distributors LLC 3411360
Application Details
This part number 9991075 is used in Lexus HVAC systems that require a block-type expansion valve. It is listed for 2002-2010 Lexus SC430, 1998-2005 Lexus GS300, 2001-2005 Lexus GS430, 2001-2005 Lexus IS300, and 1998-2000 Lexus GS400. The Nissens 9991075 is a practical replacement when the original valve no longer regulates refrigerant flow correctly.
What It Helps Fix
- Weak or inconsistent cabin cooling
- Incorrect refrigerant metering at the evaporator
- Uneven A/C outlet temperatures
- System pressure irregularities related to valve performance
- Leaks at the valve connection points when seals are worn
Installation Notes
Verify the vehicle uses an R134 system and a block-style expansion valve before installation. Replace the valve only after recovering refrigerant and inspecting the A/C system for contamination, debris, or compressor-related damage. Clean the mating surfaces carefully and use the included O-rings during reassembly. Confirm fitment by model year and HVAC configuration before final assembly.
Quality Assurance
Nissens manufactures this expansion valve under controlled testing for pressure performance, sealing integrity, opening characteristics, set-point accuracy, and internal finish. The result is a service part built to align with OE specifications for Lexus SC430, GS300, GS430, IS300, and GS400 A/C repair work.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2010 | Lexus | SC430 | — |
| 2009 | Lexus | SC430 | — |
| 2008 | Lexus | SC430 | — |
| 2007 | Lexus | SC430 | — |
| 2006 | Lexus | SC430 | — |
| 2005 | Lexus | GS300 | — |
| 2005 | Lexus | GS430 | — |
| 2005 | Lexus | IS300 | — |
| 2005 | Lexus | SC430 | — |
| 2004 | Lexus | GS300 | — |
| 2004 | Lexus | GS430 | — |
| 2004 | Lexus | IS300 | — |
| 2004 | Lexus | SC430 | — |
| 2003 | Lexus | GS300 | — |
| 2003 | Lexus | GS430 | — |
| 2003 | Lexus | IS300 | — |
| 2003 | Lexus | SC430 | — |
| 2002 | Lexus | GS300 | — |
| 2002 | Lexus | GS430 | — |
| 2002 | Lexus | IS300 | — |
| 2002 | Lexus | SC430 | — |
| 2001 | Lexus | GS300 | — |
| 2001 | Lexus | GS430 | — |
| 2001 | Lexus | IS300 | — |
| 2000 | Lexus | GS300 | — |
| 2000 | Lexus | GS400 | — |
| 1999 | Lexus | GS300 | — |
| 1999 | Lexus | GS400 | — |
| 1998 | Lexus | GS300 | — |
| 1998 | Lexus | GS400 | — |
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