TROLLING MAN TR690 Automatic Cvt Transmission Filter Pan 688154870887 31728-AA120 31728-AA121 Gasket

( Brand: Trolling Man ), ( Manufacturer Part Number: TR690 ), ( Part Type: Filter Pan Gasket ), ( Model Number: Tr690 31728-aa120 ), ( UPC: 688154870887 ), ( Package Dimensions Lxwxh: 12.09x10.12x4.92 Inches ), ( Weight: 1.83 Pounds )

Review TROLLING MAN Automatic Cvt Transmission Filter Pan Gasket Ki

The **Trolling Motor TR690 31728-AA120 / 31728-AA121 Automatic CVT Transmission Filter Pan Gasket** is a precision-engineered replacement component designed specifically for Johnson Outboards TR690 series of trolling motors, ensuring optimal performance, longevity, and reliability for anglers who demand seamless operation on the water. This high-quality gasket and filter pan assembly is crafted from durable, heat-resistant materials to withstand the demanding conditions of frequent use, exposure to moisture, and the constant motion of a trolling motor s internal mechanisms. The **filter pan** is meticulously molded to fit snugly over the transmission s filter housing, creating an airtight seal that prevents contaminants such as dirt, debris, and water from infiltrating the CVT (Continuous Variable Transmission) system, which is critical for maintaining smooth, efficient power transfer and preventing premature wear on internal components. The accompanying **gasket** is engineered with a flexible yet resilient compound that conforms perfectly to the mating surfaces, ensuring a leak-proof barrier that protects against oil leaks and keeps lubricants contained within the transmission. Whether you re fishing in calm lakes, winding rivers, or open-water applications, this gasket and filter pan set is built to endure the rigors of daily use while preserving the integrity of your TR690 s automatic CVT transmission. Replacing this component as part of routine maintenance not only restores factory-like performance but also extends the lifespan of your motor, reducing the risk of costly repairs and ensuring that your trolling experience remains smooth, quiet, and trouble-free. Ideal for DIY enthusiasts and professional mechanics alike, this replacement part is a straightforward upgrade that pays dividends in reliability and efficiency.

### **Pros and Cons of Buying a Trolling Motor Transmission Filter and Gasket Kit (TR690 31728-AA120 / 31728-AA121, Automatic CVT Transmission)**

1. **Prevents Contamination and Wear** The transmission filter removes debris, dirt, and metal particles from the transmission fluid, reducing internal wear on gears and bearings. This extends the lifespan of the CVT transmission and improves overall performance.

2. **Improves Transmission Efficiency** A clean filter ensures smoother operation by maintaining proper fluid flow, reducing heat buildup, and minimizing slippage in the automatic CVT system.

3. **Cost-Effective Maintenance** Replacing the filter and gasket is significantly cheaper than repairing or replacing a damaged transmission due to neglect. It s a simple, DIY-friendly upgrade that can save hundreds or thousands in long-term costs.

4. **Follows Manufacturer Recommendations** Many trolling motor manufacturers (including Thor, Minn Kota, and others) recommend periodic filter changes, especially in saltwater or high-use conditions. Ignoring this can void warranties or lead to premature failure.

5. **Easy Installation** The gasket and filter are designed to be user-replaceable, requiring basic tools and minimal mechanical skill. Most kits include clear instructions and sometimes even a torque wrench for proper reassembly.

6. **Protects Against Saltwater Corrosion** If used in saltwater, the filter helps trap corrosive particles that can accelerate wear on internal transmission components, reducing rust and seizing.

7. **Maintains Warranty Compliance** Some manufacturers require regular filter changes to keep the transmission under warranty. Skipping maintenance may void coverage for transmission-related issues.

8. **Long-Term Reliability** A well-maintained CVT transmission runs quieter, shifts more smoothly, and lasts longer than one neglected. This is particularly important for frequent anglers who rely on their trolling motor daily.

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1. **Time-Consuming Installation** While not overly difficult, removing and reinstalling the transmission requires draining fluid, removing the motor head, and carefully sealing the gasket. This can take 30 minutes to an hour for beginners.

2. **Potential for Fluid Leaks** If the gasket is not installed correctly or the bolts are overtightened, fluid may leak from the transmission. This can lead to further contamination if not caught early.

3. **Cost of Replacement Parts** While affordable compared to transmission repairs, the filter and gasket kit may cost $20 $50, and you ll also need new transmission fluid (if draining and refilling). Some anglers may forget to buy the fluid, adding to the expense.

4. **Risk of Over-Tightening Bolts** Improper torque can damage the transmission housing or strip bolt threads. Most kits include a torque spec, but inexperienced users might still make a mistake.

5. **Not Always Necessary for Low-Mileage Use** If the trolling motor is used infrequently in freshwater with minimal debris, some anglers may delay replacement until symptoms of wear appear (e.g., rough shifting, overheating). However, this is not recommended for long-term reliability.

6. **Limited Availability of OEM Parts** Some aftermarket filters may not fit perfectly or last as long as OEM parts. While most kits are designed to be compatible, there s a slight risk of purchasing a subpar product.

7. **Requires Fluid Change** Simply replacing the filter without changing the fluid can lead to contamination buildup over time. Many experts recommend draining and refilling the transmission fluid every 100 200 hours of use, adding to maintenance frequency.

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Replacing the **TR690 31728-AA120 / 31728-AA121 transmission filter and gasket** is a **highly recommended maintenance task** for trolling motor owners, especially those who use their motors frequently, in saltwater, or in dirty conditions. The benefits extended transmission life, improved performance, and cost savings far outweigh the minor inconveniences of installation. While it requires some effort, the process is straightforward and well-documented, making it accessible to most anglers.

**If you notice symptoms like rough shifting, delayed acceleration, or overheating, replacing the filter and gasket should be a priority.** Neglecting this maintenance can lead to expensive repairs or complete transmission failure, which is far more costly than a simple filter change.

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- **Buy the OEM or high-quality aftermarket kit** (e.g., from Thor, Minn Kota, or reputable brands like **Trolling Motor Parts** or **Amazon**).

- **Follow the manufacturer s fluid change interval** (typically every 100 200 hours or annually).

- **Use the correct torque specifications** to avoid leaks or damage.

- **Consider a fluid flush** if the motor is used in saltwater or heavily contaminated conditions.

- **Store the kit** in a dry place for future maintenance.

**Final Verdict:** **Do it.** The long-term reliability and performance gains make this a worthwhile investment for any serious angler.

Details:

For 2015 2018 Subaru-u Forester-r AWD 2.5L H4 FB25 TR690 Automatic CVT. OEM:TR690 31728-AA120 31728-AA121 143712 143512-FPR. For 2014 Subaru-u Forester-r AWD 2.0L H4 FA20F TR690 Automatic CVT. For 2015 2018 Subaru-u Forester-r AWD 2.5L H4 FB25BA TR690 Automatic CVT.

part #: tr690 price

• $48.73

specifications tvmountbracketgo:

• brand: Trolling Man
• mpn: Tr690
• part type: Filter Pan Gasket
• model number: Tr690 31728-aa120
• upc: 688154870887
• package dimensions lxwxh: 12.09x10.12x4.92 Inches
• weight: 1.83 Pounds

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