1. Engine Cooling Components Deals
  2. sku: 21628905745031871
  3. 54DVPYG36

54DVPYG36 Ap Water Temperature Sensor GL10

fits model: Gl, Rx, Xt. year: 1985–1989.

54dvpyg36 Replacement Ap Water Temperature Sensor For Dl Gl Gl10 Rx Xt 1985 1986 1987 1988 1989

( Manufacturer Part Number: 54DVPYG36 ), ( Type: Water Temperature Sensor ), ( Fits 1: 1986 Subaru Dl ), ( Fits 2: 1986 Subaru Gl ), ( Fits 3: 1986 Subaru Gl10 ), ( Fit Note: Engine Coolant Temperature Sensor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review Replacement Ap Water Temperature Sensor Dl fits GL RX XT 1985–1989

The **AP 54DVPYG36 Water Temperature Sensor** is a precision-engineered, high-performance component meticulously designed to seamlessly integrate with **Dodge GL (GL10) and GLX (XT) models** from **1985 through 1989**, ensuring optimal cooling system functionality and engine protection. This sensor is a critical component of the vehicle s thermostat system, responsible for monitoring the temperature of the coolant in real time, providing critical feedback to the engine control module (ECM) to regulate the thermostat s operation. Crafted with a durable **aluminum housing** and a robust **thermistor-based sensing element**, the AP 54DVPYG36 delivers accurate temperature readings across a wide range, from sub-freezing conditions to extreme heat, ensuring reliable performance in diverse environmental conditions. Its **OEM-quality construction** guarantees a snug, leak-proof fit within the engine bay, with a **threaded design** that matches the factory specifications of the GL and GLX models, eliminating the risk of coolant leaks or improper installation. The sensor s **resistance-based technology** allows for precise temperature detection, enabling the ECM to adjust the thermostat s opening and closing cycles efficiently, thereby optimizing engine warm-up times, preventing overheating, and enhancing overall fuel efficiency. Whether installed in a classic muscle car or a restored daily driver, this sensor is a vital upgrade for maintaining the integrity of the cooling system, extending the lifespan of the engine, and ensuring smooth operation under varying driving conditions. Its compatibility with the **1985 1989 Dodge GL/GLX (XT) platforms** makes it an essential replacement part for enthusiasts seeking to restore factory performance or upgrade their vehicle s cooling system with confidence.

### **Pros and Cons of buying a AP 54DVPYG36 Water Temperature Sensor for DL GL GL10 RX (1985 1989)**

#### **Pros:**

1. **Compatibility** The sensor is specifically designed for the **DL GL/GL10 RX (1985 1989)**, ensuring a proper fit and function without major modifications.

2. **Accurate Temperature Readings** A reliable water temperature sensor provides precise data, which is crucial for tuning, diagnostics, and maintaining optimal engine performance.

3. **Easy Installation** Most aftermarket sensors of this type are designed for straightforward installation, often requiring only basic tools and minimal wiring adjustments.

4. **Improved Engine Management** If your vehicle is equipped with an ECU that relies on water temperature input (such as fuel injection systems), this sensor ensures accurate fuel delivery and ignition timing.

5. **Prevents Engine Damage** A faulty or missing water temperature sensor can lead to incorrect fuel mixtures, overheating, or poor cold-start performance. Replacing it helps avoid long-term engine issues.

6. **Cost-Effective Upgrade** Compared to full engine rebuilds or ECU replacements, a sensor upgrade is a relatively inexpensive fix that can extend the life of your vehicle.

7. **Compatibility with Tuning Devices** If you plan to use a **standalone ECU, piggyback tuner, or data logging system**, a reliable water temperature sensor is essential for accurate readings and tuning adjustments.

8. **Durability** High-quality sensors (assuming this is a reputable brand) are built to withstand engine heat and vibrations, reducing the risk of premature failure.

#### **Cons:**

1. **Potential Counterfeit Issues** Some aftermarket parts, especially those from lesser-known sellers, may be counterfeit or low-quality. Ensure you purchase from a trusted supplier to avoid receiving a defective or incompatible sensor.

2. **Wiring and Connector Compatibility** If your vehicle s original wiring harness is damaged or improperly routed, installation could be more difficult than expected. A wiring diagram or professional help may be required.

3. **ECU Calibration Concerns** Some older vehicles with stock ECUs may not recognize a new sensor without a **chip tune or ECU reprogramming**. If you re using a standalone tuner, this is less of an issue.

4. **Limited Longevity in Harsh Conditions** While durable, sensors can fail over time due to **corrosion, electrical shorts, or physical damage** (e.g., from leaks or mechanical stress).

5. **No Guarantee of Performance Gains** Unlike performance parts (e.g., turbochargers, exhaust systems), a water temperature sensor itself does not improve power or efficiency it only ensures accurate data for the engine control system.

6. **Possible Overkill for Stock Applications** If your vehicle is **stock and rarely driven**, the original sensor may still function adequately, making this upgrade unnecessary unless symptoms (e.g., check engine light, poor cold starts) indicate failure.

7. **Installation Knowledge Required** While simple, improper installation (e.g., incorrect grounding, loose connections) can lead to **erratic readings or sensor failure**.

8. **Compatibility with Aftermarket ECUs** If you re using a **non-OEM ECU (e.g., Haltech, Link, or standalone units)**, you may need to **map the sensor input** to ensure proper recognition and calibration.

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### **Conclusion**

The **AP 54DVPYG36 water temperature sensor** is a **practical and cost-effective solution** for restoring accurate temperature readings in your **DL GL/GL10 RX (1985 1989)**, especially if you experience **engine misfires, poor cold starts, or check engine lights** related to the sensor. It is particularly beneficial if you plan to **tune your vehicle, log data, or maintain optimal engine performance**.

However, if your vehicle is **stock and rarely driven**, the upgrade may not be immediately necessary unless you re experiencing **clear symptoms of sensor failure**. Always **verify the sensor s authenticity** and ensure proper installation to avoid issues.

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### **Recommendation**

- **Buy from a reputable seller** (eBay, Amazon, or specialized performance parts stores) to avoid counterfeit or low-quality sensors.

- **Check for symptoms** (e.g., erratic temperature readings, check engine light with P0118/P0117 codes) before purchasing this confirms the need for replacement.

- **Install carefully**, following wiring diagrams if necessary, and test the sensor post-installation to ensure accurate readings.

- **Consider pairing it with a data logging tool** (e.g., **ELM327 OBD-II scanner**) to verify its functionality.

- **If tuning your vehicle**, ensure compatibility with your ECU or tuner setup to avoid calibration issues.

**Final Verdict:** **Worth the upgrade** if you need reliable temperature data for tuning, diagnostics, or preventing engine issues. **Not essential** for stock, lightly used vehicles without sensor-related problems.

Details:

Water Temperature Sensor 54DVPYG36 for DL GL GL10 RX XT 1985 1986 1987 1988 1989: Brand: Replacement AP condition: New, Notes Engine Coolant Features: Direct Fit. Vehicle Sub model, 1988 1991 Subaru XTXT6, 1987 XTGL-10, 1985 1991 XTGL, 1985 - 1988 XTDL, 1985 - 1987 XTGL-10 Turbo. Vehicle Sub model Engine, Fitment Notes: Turbocharged, 1986 Subaru , GL10TurboTurbocharged, 1986, 1989 . Detailed Applications Vehicle Sub model Engine, Fitment Notes: Naturally Aspirated, 1986 Subaru GL10BaseNaturally Aspirated.

part #: 54dvpyg36 price

  • $17.15

specifications ocoosys:

  • for models: Gl, Rx, Xt
  • for years: 1985-1989
  • mpn: 54dvpyg36
  • type: Water Temperature Sensor
  • fits 1: 1986 Subaru Dl
  • fits 2: 1986 Subaru Gl
  • fits 3: 1986 Subaru Gl10
  • fit note: Engine Coolant Temperature Sensor
  • manufacturer warranty: 12 Month Warranty
  • attention: Please Read All Notes To Confirm Fitment
  • cs-sku: 400

returns ocoosys:

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

offer ocoosys:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: May 13, 2026
  • sold: 0

shipping ocoosys:

  • cost: $0.00
  • transit: 3-7 Days
  • type: Fixed
  • service: Standard
  • class: Standard

seller ocoosys:

  • rating: 97.3%
  • # reviews: 57983
  • city: Whiteland, Indiana

general ocoosys:

  • condition: New
  • Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

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for models: gl, rx, xt, for years: 1985-1989, type: water temperature sensor, fits 1: 1986 subaru dl, fits 2: 1986 subaru gl, fits 3: 1986 subaru gl10, fit note: engine coolant temperature sensor, manufacturer warranty: 12 month warranty, attention: please read all notes to confirm fitment, cs-sku: 400, category: auto parts > car truck parts accessories > engine cooling components, sku: 21628905745031871,
54DVPYG36 Is Similar To:
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1 offer $17.15 USD
  • New. Offer #1 priced at $17.15 + $0.00 shipping estimate = $17.15* total. 1987 Subaru XT GL-10. 1986 Subaru Base Naturally Aspirated.FREE SHIPPING

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