
UD23439 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.75 | Condition is Used, Rolls-Royce Silver Spur Elapsed Mileage Indicator Module UD23439 OEM, shipping cost = $9.00 | 99.7% |
![]() | $35.00 | Top Pick! Condition is Used, 1984 ROLLS ROYCE SILVER SPUR Elapsed Mileage Indicator UD23439, shipping cost = $14.46 | 99.7% |
![]() | $43.20 | Condition is Used, Rolls Royce Silver Spirit 1986 Elapsed Mileage Indicator Module OEM 71K Miles, shipping cost = $12.00 | 100.0% |
![]() | $45.65 | Condition is Used, Rolls Royce Silver Spirit Elapsed Mileage Indicator Module Unit UD23439 OEM 22k, shipping cost = $15.00 | 99.8% |
![]() | $106.48 | Top Pick! Condition is Used, Rolls-Royce Silver Spur 1986 Other Relay UD23439 BCE23156, FREE SHIPPING | 99.9% |
![]() | $216.23 | Condition is Used, 84 Rolls Royce Silver Spirit Spur Elapsed Mileage Indicator UD23439, shipping cost = $8.00 | 100.0% |

The Rolls-Royce UD23439 Spur Indicator Module is a crucial component of the power train control system in select Rolls-Royce vehicles. This sophisticated module is designed to monitor the position and speed of the spur gears in the automatic transmission, ensuring precise and smooth gear shifts.
The UD23439 module is a compact, yet highly advanced electronic unit. It features a sophisticated microcontroller that processes input signals from various sensors and actuators in the transmission system. These inputs include position sensors, speed sensors, and temperature sensors.
The module continuously monitors the position and speed of the spur gears, comparing them to the desired positions and speeds for each gear selection. If any discrepancies are detected, the module sends a signal to the transmission control system to initiate corrective actions.
One of the key functions of the UD23439 module is to provide the driver with accurate and timely gear position information. It does this by illuminating the appropriate gear position indicator light on the instrument cluster. This helps the driver to keep track of the selected gear and to avoid unnecessary gear shifts, which can improve fuel efficiency and reduce wear on the transmission.
The Rolls-Royce UD23439 Spur Indicator Module is built to the highest standards of quality and reliability. It is engineered to withstand the rigors of continuous use in a high-performance automotive environment. The module is sealed against moisture and other contaminants, ensuring long-term durability and reliability.
Installation of the UD23439 module is a relatively straightforward process for a qualified technician. It is designed to plug directly into the transmission control system, with all necessary connectors and wiring harnesses provided. The module is also compatible with the Rolls-Royce diagnostic system, making it easy to program and calibrate.
In summary, the Rolls-Royce UD23439 Spur Indicator Module is a vital component of the power train control system in select Rolls-Royce vehicles. It ensures precise and smooth gear shifts by monitoring the position and speed of the spur gears, and it provides the driver with accurate and timely gear position information. The module is built to the highest standards of quality and reliability, and it is easy to install and program.
The Rolls-Royce UD23439 Spur Indicator Module is an essential component of the Rolls-Royce Phantom's dashboard system. This module indicates the position of the gear selection lever, park position, and neutral position. Let's discuss some pros and cons of buying this part.
Pros:1. Improved Functionality: A new Spur Indicator Module ensures that the gear position indicator functions accurately and reliably. Malfunctioning gear position indicators can cause confusion and potentially result in unsafe driving conditions.
2. Enhanced Dashboard Appearance: The Spur Indicator Module is an aesthetic component of the Rolls-Royce dashboard. Replacing a worn-out or malfunctioning module with a new one can significantly enhance the appearance of the vehicle's interior.
3. Long-Term Savings: By replacing a faulty Spur Indicator Module with a new one, you can avoid the potential cost of more extensive repairs or replacement of other components that may be affected by a malfunctioning gear position indicator.
Cons:1. Expensive: The Rolls-Royce UD23439 Spur Indicator Module is an expensive replacement part. This cost may deter some buyers, especially those who are looking for cost-effective solutions.
2. Availability: The availability of this specific part may be a concern for some buyers. It may take some time to locate a reliable supplier or to have the part shipped to you.
3. Complexity of Installation: Installing the Spur Indicator Module may require some technical expertise. If you are not confident in your ability to install the part yourself, you may need to pay for professional installation services, which can add to the overall cost.
Conclusion:The Rolls-Royce UD23439 Spur Indicator Module is an essential component of the Rolls-Royce Phantom's dashboard system. While it is an expensive replacement part, it provides improved functionality, enhanced dashboard appearance, and long-term savings. The availability of the part and the complexity of installation may be concerns for some buyers. Ultimately, if you value the functionality and appearance of your Rolls-Royce Phantom, replacing a faulty Spur Indicator Module with a new one is a worthwhile investment.
Recommendation:If you are in the market for a Rolls-Royce UD23439 Spur Indicator Module, it is recommended that you source the part from a reputable supplier to ensure its authenticity and quality. Researching potential suppliers and reading customer reviews can help you find a reliable source for this expensive but necessary replacement part. Additionally, considering the complexity of installation, it is recommended that you have the part installed by a professional to ensure proper function and avoid potential complications.
Details:
All electronics are tested before removed from vehicle. Shipping prices for ground apply only to the continental USA. All the parts are tested either before or after removal from vehicle. Item may show light scuffs, scratches or other imperfections as a result of this being used part.
specifications perfoelectric:
- for models: Spur
- for makes: Rolls-royce
- mpn: Ud23439
- part type: Indicator Module
- manufacturer warranty: No Warranty
- fitment type: Direct Replacement
- oe/ oem part number: Ud 23439
general perfoelectric:
- category: Auto Parts > Electrical Components
returns perfoelectric:
- paid by: seller
- policy: returns accepted
- time: 30 days
offer perfoelectric:
- availability: in stock
- best offers: true
- in stock #: 5
- options: ship-to-home
- started: march 26, 2025
- sold #: 20
- prices: $24.75–$216.23
- item condition: Used
seller perfoelectric:
- rating: 99.2%
- city: roseville, california
- # reviews: 1612
payments perfoelectric:
- credit card: visa
- other
- wallet: apple-pay
shipping perfoelectric:
- transit: 4-8 days
- class: standard
- type: fixed
- service: standard
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