VOLKSWAGEN 84540-2418 Gearbox Transmission Neutral Switch UA73Z

( Manufacturer Part Number: 84540-2418 ), ( Part Type: Switch Transmission ), ( Features: Gearbox Transmission Neutral Switch ), ( Fitment Type: Direct Replacement ), ( Modified Item: No ), ( Manufacturer Warranty: Unspecified Length )

Review VOLKSWAGEN Gearbox Transmission Neutral Switch fits TIGUAN 2012

The **Volkswagen 84540-2418 2012 Tiguan Gearbox Transmission Neutral Switch (UA73Z)** is a precision-engineered electrical component designed exclusively for the **7-speed dual-clutch transmission (DSG) system** found in select Volkswagen models, including the 2012 Tiguan equipped with the **UA73Z gearbox**. This neutral switch plays a critical role in the vehicle s transmission control module (TCM) by providing real-time feedback to the engine control unit (ECU) and transmission about the current gear position, ensuring seamless shifting, proper clutch engagement, and accurate diagnostic functionality. Crafted from high-quality materials, the switch features a durable **plastic housing with embedded conductive contacts** that maintain reliable electrical continuity while enduring the mechanical stress of shifting between gears. The internal mechanism is engineered to withstand repeated engagement, preventing wear and ensuring long-term reliability, which is particularly important in vehicles subjected to frequent stop-and-go driving or aggressive shifting patterns. When installed, this neutral switch interfaces directly with the transmission s shift linkage, allowing the TCM to confirm whether the gearbox is in **Park (P), Reverse (R), Neutral (N), Drive (D), or one of the manual shift modes (e.g., S, M, or individual gears)**. This feedback is essential for preventing unintended movement, enabling the correct activation of the parking pawl, and optimizing fuel efficiency by allowing the engine to enter the optimal operating range. For maintenance and repair purposes, the switch is designed for straightforward replacement, requiring only basic tools and a clear understanding of the transmission s wiring diagram. As a **direct-fit OEM replacement**, this part adheres to Volkswagen s stringent quality standards, offering compatibility with the original installation points and electrical connections, thereby minimizing the risk of compatibility issues or aftermarket modifications that could compromise performance. Whether addressing a malfunctioning neutral switch due to normal wear, a wiring issue, or a diagnostic trouble code (DTC) such as **P0740, P0741, or P0750**, this component serves as a vital link between the driver s input and the transmission s automated control system, ensuring the 2012 Tiguan operates with precision and efficiency.

### **Pros and Cons of buying a Volkswagen 84540-2418 (2012 Tiguan UA73Z Transmission Neutral Switch)**

1. **Direct OEM Replacement** This part is a genuine Volkswagen (VW) component, ensuring compatibility with the 2012 Tiguan s UA73Z transmission. It is manufactured to the same specifications as the original, reducing the risk of fitment issues or premature failure.

2. **Reliability and Durability** VW s OEM parts are built to last, often outperforming aftermarket alternatives in terms of longevity. The neutral switch is a critical component for shifting and safety, so a high-quality part minimizes the chance of electrical or mechanical failure.

3. **Warranty Coverage** Purchasing from an authorized VW dealer or a reputable supplier may include a warranty, providing peace of mind against defects. Aftermarket parts may not offer the same level of protection.

4. **Prevents Transmission Damage** A faulty neutral switch can cause erratic shifting, stalling, or even damage to the transmission if the vehicle is accidentally driven in gear. Replacing it with an OEM part restores proper function and protects the transmission.

5. **Easier Installation** Since it is the exact replacement, installation is straightforward, requiring minimal modifications. Aftermarket parts may sometimes require additional adapters or adjustments.

6. **Maintains Resale Value** Keeping the vehicle well-maintained with OEM parts can help preserve its value, especially if you plan to sell or trade it in the future.

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1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price of the 84540-2418 switch may be 2 3 times higher than a generic or third-party replacement.

2. **Limited Availability** Depending on the supplier, OEM parts may not always be in stock immediately. Aftermarket options are often available faster, which can be critical for urgent repairs.

3. **Potential Counterfeit Risks** If purchasing from an untrusted source (e.g., eBay, unlicensed sellers), there is a risk of receiving a counterfeit or low-quality part. Always verify the seller s reputation and authenticity.

4. **Labor Costs** While the part itself is reliable, replacing it may require professional installation, especially if the vehicle has been modified or if the switch is located in a tight space (e.g., behind the transmission). Labor costs add to the overall expense.

5. **Overkill for Minor Issues** If the neutral switch is only slightly worn or the issue is electrical (e.g., a loose wire), an OEM replacement might be more than necessary. In such cases, a diagnostic check or simpler repair (e.g., cleaning contacts) could suffice.

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The **84540-2418 neutral switch for the 2012 Tiguan UA73Z transmission** is a high-quality, reliable OEM part that ensures proper function and longevity. While it comes at a premium price, the benefits such as compatibility, durability, and protection for the transmission make it a strong choice for serious owners who prioritize quality and long-term reliability.

However, if budget is a concern, a **high-quality aftermarket part from a trusted brand** (e.g., Dorman, Febi, or Valeo) can be a cost-effective alternative, provided it meets VW s specifications. Always verify the part s authenticity and ensure it is designed for the UA73Z transmission to avoid compatibility issues.

- You want the most reliable, long-lasting solution.

- You have the budget for an authorized VW part.

- You plan to keep the vehicle for an extended period.

- You are on a tight budget and the part is verified for UA73Z compatibility.

- You have experience with automotive repairs and can confirm the part s quality.

- The issue is minor (e.g., electrical), and a simpler fix might suffice.

For most owners, the **OEM part is the safest and most practical choice**, especially since the neutral switch is a critical component for safe operation. Always source it from a reputable dealer or supplier to avoid counterfeit parts.

Details:

Compatible with. This 2012 VOLKSWAGEN TIGUAN REPLACE TITTLE is in overall good condition. Shipping is via USPS or UPS. Please also use the pictures to ensure a proper fit.

Most electronic parts are not plug and play.

part #: 845402418 prices

• $24.50-$63.67

specifications engimou:

• for models: Tiguan
• for makes: Volkswagen
• for years: 2012
• mpn: 84540-2418
• part type: Switch Transmission
• features: Gearbox Transmission Neutral Switch
• fitment type: Direct Replacement
• modified item: No
• manufacturer warranty: Unspecified Length

seller engimou:

• # reviews: 86925
• rating: 99.4%
• city: Las Vegas, Nevada

payments engimou:

• credit card: Diners-club
• wallet: Google-pay
• other

shipping engimou:

• type: Fixed
• transit: 4-7 Days
• class: Standard, Expedited
• cost: $0.00
• service: Standard, Expedited

general engimou:

• Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts
• condition: Used

offer engimou:

• quantity: 1
• started: May 8, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

returns engimou:

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

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