
39500-ST7-A12 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $28.00 | Condition is Used, Acura integra Control Assembly Interlock , FREE SHIPPING | 100.0% |
![]() | $24.99 | Top Pick! Condition is Used, Acura Integra Main Relay Computer Mitsuba RZ-0159 1994-2001 OEM, shipping cost = $6.98 | ![]() |
![]() | $24.99 | Top Pick! Condition is Used, Acura Integra Main Relay Computer 1994-2001 OEM, shipping cost = $6.98 | ![]() |
![]() | $36.53 | Condition is Used, Acura Integra 1995-2001 Interlock Control Unit Module 39500-St7-A12, FREE SHIPPING | 99.6% |

The Acura 39500-ST7-A12 Interlock Control Unit Module is an essential component for the electrical system of certain Acura Integra models produced between 1995 and 2001. This module plays a crucial role in managing the vehicle's fuel system and ensuring it complies with the mandatory emissions standards.
The Interlock Control Unit Module houses several functions. Primarily, it manages the vehicle's fuel system based on various conditions, such as the position of the accelerator pedal and the engine RPM. Additionally, it interacts with the vehicle's air conditioning system, ensuring it functions optimally while maintaining emissions regulations.
This module includes a built-in diagnostic system that can identify and store fault codes if any malfunctions occur within the fuel or emissions systems. This feature helps streamline the diagnostic and repair process, saving time and resources for mechanics and vehicle owners.
The Acura 39500-ST7-A12 Interlock Control Unit Module is a reliable and robust component. It is engineered to withstand the rigors of daily driving and the varying environmental conditions. Despite its durability, it may still fail due to wear and tear, accident damage, or other unforeseen circumstances.
When replacing a faulty or malfunctioning Interlock Control Unit Module, it is crucial to use an OEM (Original Equipment Manufacturer) part to ensure optimal performance and compatibility with the vehicle's electrical system. An aftermarket or used part may not provide the same level of quality, reliability, and functionality as a new OEM component.
Installing the Acura 39500-ST7-A12 Interlock Control Unit Module requires some technical knowledge and experience in working with automotive electrical systems. It is recommended that this task be performed by a certified mechanic or a skilled and experienced DIY enthusiast. If you are unsure about your ability to install this part yourself, it is best to consult a professional for assistance.
In conclusion, the Acura 39500-ST7-A12 Interlock Control Unit Module is a vital component for the electrical system of certain Acura Integra models. It manages the fuel system and interacts with the air conditioning system while ensuring emissions compliance. With its built-in diagnostic system and robust design, it offers reliable performance and streamlined troubleshooting. When replacing this component, always opt for an OEM part for optimal compatibility and functionality.
Buying a new Acura INTEgra 1995-2001 Interlock Control Unit Module (ST7-A12) can be a significant investment. Here are some potential pros and cons to consider before making a decision.
Pros:1. Improved Safety: The Interlock Control Unit is an essential component of the INTEgra's ignition interlock system. This system prevents the vehicle from starting if the driver has consumed alcohol, making the roads safer for everyone.
2. Reliability: A new Interlock Control Unit module can ensure that the ignition interlock system functions correctly, reducing the risk of false positives or false negatives.
3. Peace of Mind: Having a new Interlock Control Unit module installed can give you peace of mind, knowing that your vehicle's safety features are up to date and functioning properly.
Cons:1. Cost: Replacing an Interlock Control Unit module can be expensive. The cost of a new module, installation, and any associated labor fees can add up quickly.
2. Time: Installing a new Interlock Control Unit module can take some time. You may need to schedule an appointment with a qualified mechanic or dealership to have the work done.
3. Convenience: If you rely on your INTEgra for daily transportation, having it out of commission for even a short time can be inconvenient.
Conclusion:The decision to buy a new Acura INTEgra 1995-2001 Interlock Control Unit Module (ST7-A12) ultimately depends on your personal circumstances and priorities. If safety is a top concern, or if you have been experiencing issues with your current ignition interlock system, then investing in a new module may be worthwhile. However, if cost and convenience are primary considerations, it may be worth exploring alternative solutions, such as repairing the existing module or seeking out a used or reconditioned part. Ultimately, it's essential to weigh the pros and cons carefully and consult with a qualified mechanic or dealership before making a final decision.
Recommendation:If you decide to proceed with purchasing a new Acura INTEgra 1995-2001 Interlock Control Unit Module (ST7-A12), it's recommended that you source the part from a reputable dealer or supplier to ensure that you receive a genuine, high-quality part. Additionally, it's essential to have the module installed by a qualified mechanic or dealership to ensure proper installation and functionality.
Details:
specifications perfoelectric:
- for models: Integra
- for years: 1995–2001
- brand: Acura
- mpn: 39500-st7-a12
- part type: Control Unit Module
- manufacturer warranty: 1 Year
- item name: Interlock Control Unit
- fitment type: Direct Replacement
- interchange: 591-50391
- genuine oem: Yes
offer perfoelectric:
- prices: $24.99–$36.53
- item condition: Used
- best offers: true
- availability: in stock
- options: ship-to-home
- sold #: 18
- started: december 5, 2025
- in stock #: 4
returns perfoelectric:
- paid by: buyer
- time: 30 days
- policy: returns accepted
shipping perfoelectric:
- class: expedited
- service: usps priority mail
- carrier: usps
- transit: 4-7 days
- type: fixed
payments perfoelectric:
- wallet: paypal
- other
- credit card: visa
general perfoelectric:
- category: Auto Parts > Electrical Components
seller perfoelectric:
- rating: 99.3%
- # reviews: 28960
- city: rancho cordova, california
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