NISSAN 73940-9UF2A Assist Strap

( Manufacturer Part Number: 73940-9UF2A ), ( Part Type: Strap Assist ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2020 2021 2022 2023 2024 ), ( Parts Included: Only Part Reference 4 On The Diagram Is Included )

Review NISSAN Genuine Assist Strap fits MURANO 2020–2024

The **Nissan 73940-9UF2A Assist Strap** is a high-quality, precision-engineered component designed to enhance the functionality and safety of Nissan vehicles equipped with the **Intelligent Key** system or other electronic access and immobilizer applications. This durable, black rubber strap serves as a critical link between the vehicle s key fob and its internal electronic module, ensuring seamless communication between the two while preventing unauthorized access. Crafted from a robust, weather-resistant material, the assist strap is engineered to withstand exposure to varying environmental conditions, including moisture, dust, and temperature fluctuations, which could otherwise compromise its performance over time. Its sleek, low-profile design allows for easy installation, fitting snugly within the vehicle s key slot or electronic access system, where it plays a pivotal role in transmitting the key fob s signals to the car s immobilizer system. This ensures that the vehicle s engine and security features remain fully operational, providing drivers with peace of mind during every start-up. Whether used in newer Nissan models or as a replacement for a worn or damaged original part, this assist strap exemplifies reliability and precision, maintaining the integrity of the vehicle s electronic security infrastructure. Its compatibility with a range of Nissan applications makes it an essential accessory for both professional mechanics and DIY enthusiasts seeking to restore or upgrade their vehicle s electronic systems.

**Pros and Cons of buying a Nissan 73940-9UF2A Assist Strap**

The Nissan 73940-9UF2A is an assist strap, also known as a seatbelt tensioner or pretensioner cover, which is part of the vehicle s airbag system. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Essential for Safety Systems** This part is critical for the proper functioning of the seatbelt pretensioner and airbag deployment. Without it, the airbag system may not operate correctly in a collision, compromising passenger safety.

2. **OEM Quality** As a genuine Nissan part, it meets the manufacturer s specifications for durability, compatibility, and performance. This reduces the risk of premature failure or incompatibility issues that can arise with aftermarket alternatives.

3. **Warranty Coverage** Purchasing from an authorized dealer or Nissan-approved supplier often includes warranty protection, ensuring replacement if the part fails due to defects within the warranty period.

4. **Prevents System Malfunctions** A faulty assist strap can trigger false airbag warnings or prevent the system from activating during an accident. Replacing it ensures the seatbelt pretensioner works as intended, reducing the risk of injury.

5. **Long-Term Reliability** Nissan parts are designed to withstand the rigors of daily driving, including heat, vibration, and moisture. This contributes to the longevity of the vehicle s safety systems.

6. **Easy Installation** This part is relatively straightforward to replace, especially for those with basic mechanical skills. Nissan provides service manuals or step-by-step guides to assist with installation.

7. **Compatibility with Nissan Vehicles** It is specifically engineered for certain Nissan models, ensuring a perfect fit without modifications. This avoids the guesswork that often comes with non-OEM parts.

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### **Cons**

1. **Cost** Genuine Nissan parts can be significantly more expensive than aftermarket alternatives. The price may be a barrier for budget-conscious buyers, especially if the part is not covered by insurance.

2. **Limited Availability** Depending on the region, this part may not be readily available at local auto parts stores. Buyers may need to order it online, which can introduce delays or shipping risks.

3. **Potential for Counterfeit Parts** Purchasing from unauthorized sellers increases the risk of receiving a fake or substandard part. Counterfeit parts may fail prematurely or not meet safety standards, voiding warranty coverage.

4. **Labor Costs** While the part itself is replaceable by a DIYer, professional installation by a mechanic may be required if the buyer lacks confidence in their ability to perform the job correctly. Labor fees can add to the overall cost.

5. **Waste if the Issue is Elsewhere** If the seatbelt pretensioner or airbag system is faulty due to another component (e.g., wiring, control module), replacing just the assist strap may not resolve the underlying problem. A diagnostic check is advisable before purchasing.

6. **Environmental Impact** Like all automotive parts, this component contributes to e-waste if not disposed of properly. Buyers should consider recycling options or selling the old part if possible.

7. **Time-Consuming Replacement** For those without mechanical experience, replacing the assist strap may take several hours, especially if the vehicle s wiring or mounting brackets require attention.

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### **Conclusion**

The Nissan 73940-9UF2A assist strap is a vital component for the proper functioning of your vehicle s seatbelt pretensioner and airbag system. Its primary advantage lies in ensuring safety and reliability, as it is a genuine, high-quality part designed specifically for Nissan vehicles. However, the higher cost and potential challenges in sourcing or installing it may deter some buyers.

For most drivers, the benefits of using an OEM part particularly in terms of safety and long-term reliability outweigh the drawbacks. If budget is a concern, verifying whether the issue stems solely from this part (via a diagnostic scan) can help avoid unnecessary expenses. Additionally, purchasing from a reputable dealer or authorized seller minimizes the risk of counterfeit parts.

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### **Recommendation**

If your vehicle s airbag warning light is illuminated or you suspect an issue with the seatbelt pretensioner, **prioritize replacing the assist strap with a genuine Nissan part**. Here s how to proceed:

1. **Diagnose the Problem** Use an OBD-II scanner or visit a Nissan dealership to confirm that the assist strap is indeed the faulty component. This prevents unnecessary spending on unrelated repairs.

2. **Purchase from a Trusted Source** Buy the part from an authorized Nissan dealer, a reputable online retailer (e.g., RockAuto, Amazon, or Nissan s official website), or a local auto parts store with a good return policy. Avoid third-party sellers with no reviews or return options.

3. **Consider Professional Installation** If you are not comfortable working on your vehicle s safety systems, have a mechanic perform the replacement. This ensures the part is installed correctly and reduces the risk of future issues.

4. **Check Warranty Coverage** If the part is covered under your vehicle s warranty or your insurance policy, take advantage of it to offset costs.

5. **Recycle Old Parts** If you re replacing the assist strap, dispose of the old one responsibly by recycling it at an auto recycling center or through a local scrap metal facility.

In summary, the Nissan 73940-9UF2A assist strap is a worthwhile investment for safety and reliability, provided it is sourced and installed correctly. For most drivers, the peace of mind and functional integrity it provides justify the cost.

Details:

Bella Nissan Parts. Electrical parts are not returnable. Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: 739409uf2a prices

• $45.90-$59.51

specifications cardoorhandleei:

• for models: Murano
• for makes: Nissan
• for years: 2020-2024
• mpn: 73940-9uf2a
• part type: Strap Assist
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• year: 2020 2021 2022 2023 2024
• parts included: Only Part Reference 4 On The Diagram Is Included

payments cardoorhandleei:

• credit card: Discover
• other
• wallet: Google-pay

shipping cardoorhandleei:

• transit: 4-10 Days
• service: Standard
• class: Standard
• cost: $8.00
• type: Fixed

offer cardoorhandleei:

• started: May 5, 2026
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0

seller cardoorhandleei:

• # reviews: 36
• rating: 100.0%
• city: Pittsfield, Massachusetts

general cardoorhandleei:

• condition: New
• Car Truck Parts Accessories > Interior Parts Accessories > Window Cranks, Grab Handles Door Pulls

returns cardoorhandleei:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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