OE Quality
60-Day Returns

Global Parts 3411451 A/C Expansion Valve
Reliable A/C Expansion Valve for BMW Z3
The Global Parts A/C Expansion Valve, part number 3411451, is designed specifically for the BMW Z3. This component plays a critical role in your vehicle's HVAC system by regulating refrigerant flow to ensure optimal air conditioning performance.
- Compatible with BMW Z3 models
- Part number 3411451 for precise identification
- Controls refrigerant flow within the A/C system
- Manufactured by Global Parts for consistent quality
- Essential for maintaining proper cabin temperature
Product Details and Functionality
The A/C expansion valve 3411451 from Global Parts is engineered to regulate the flow of refrigerant entering the evaporator in the BMW Z3. By controlling this flow, the valve ensures the refrigerant expands at the correct rate, which is vital for efficient cooling and preventing system damage. This part is categorized under HVAC > A/C Flow Restrictors and is a direct replacement designed to meet OEM specifications.
Common Issues Addressed by This Expansion Valve
- Inconsistent or weak air conditioning performance in BMW Z3
- Refrigerant leaks or improper flow causing system inefficiency
- Overcooling or freezing of the evaporator coil
- Unusual noises from the HVAC system related to refrigerant flow
- Failure of the A/C system to maintain desired cabin temperature
Installation Notes and Tips
When installing the Global Parts A/C Expansion Valve 3411451 on a BMW Z3, ensure the system is properly evacuated and recharged with the correct refrigerant type. It is recommended to inspect the entire HVAC system for leaks or damage before installation. Proper torque specifications should be followed to avoid damage to the valve or surrounding components.
Quality Assurance and Warranty
Global Parts manufactures this A/C expansion valve to meet industry standards for durability and performance. While specific warranty details are not provided, Global Parts products typically undergo rigorous quality control to ensure reliability in automotive HVAC applications.
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | BMW | Z3 | 3.2L | L6 | N/A | |
| 2002 | BMW | Z3 | 3.0L | L6 | N/A | |
| 2002 | BMW | Z3 | 2.5L | L6 | N/A | |
| 2001 | BMW | Z3 | 3.2L | L6 | N/A | |
| 2001 | BMW | Z3 | 3.0L | L6 | N/A | |
| 2001 | BMW | Z3 | 2.5L | 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.