APRILIA TRT-TCN81 Thermostat Housing Hose

( Manufacturer Part Number: TRT-TCN81 ), ( Type: Thermostat W Housing )

Review APRILIA Oem Thermostat Housing Assembly Hose Hoses fits RSV4 2011–2014

The **Aprilia TRT-TCN81 (2011 2014) RSV4 Thermostat Housing Hose Set** is a meticulously engineered replacement component designed to restore peak performance and reliability to your high-performance Aprilia RSV4 twin-cylinder sportbike. Crafted from high-grade **heat-resistant rubber with reinforced synthetic fibers**, these precision-molded hoses are engineered to withstand the extreme thermal and mechanical stresses inherent in the RSV4 s aggressive racing pedigree. The thermostat housing hose set includes two critical components: the **primary thermostat housing inlet hose**, which connects the thermostat housing to the engine s cooling system, and the **secondary thermostat housing outlet hose**, ensuring seamless fluid circulation between the thermostat and the radiator. Built to Aprilia s exacting specifications, these hoses feature **tight-fitting, interference-fit clamps** and **O-ring-sealed fittings** to eliminate leaks, even under high RPM and aggressive cornering forces. Their **abrasion-resistant outer layer** protects against chafing from surrounding engine components, while the **flexible yet durable construction** allows for optimal movement during high-stress riding conditions. Whether you re restoring factory performance, addressing a coolant leak, or upgrading for enhanced durability, this hose set delivers the precision and reliability expected from Aprilia s racing heritage. Perfect for both street and track use, it ensures consistent engine temperature regulation, prolonging the life of your RSV4 s cooling system and maintaining optimal power delivery.

### Pros and Cons of buying a Aprilia TRT-TCN81 (11-14 RS/V4 Thermostat Housing Hose Hoses)

The Aprilia TRT-TCN81 (11-14 RS/V4) thermostat housing hose set is a popular aftermarket part for owners of the Aprilia Tuono RS and RS V4 models from the 2011-2014 generation. Here are the key advantages of purchasing this part:

1. **Direct Fitment** The hose set is specifically designed for the 2011-2014 Aprilia Tuono RS and RS V4, ensuring compatibility without modification. This eliminates the need for customization, making installation straightforward.

2. **Improved Reliability** Aftermarket hose sets are often made from high-quality materials that are more durable than OEM parts. The reinforced construction reduces the risk of leaks, cracks, or premature wear, which is a common issue with original hoses over time.

3. **Easier Maintenance** Replacing the thermostat housing hoses is a relatively simple task that can be done with basic mechanical skills. The part comes as a pre-assembled kit, saving time compared to sourcing individual hoses separately.

4. **Cost-Effective Upgrade** While not a performance-enhancing part, upgrading to aftermarket hoses can be more economical than replacing a failed OEM hose, which may require additional labor or diagnostic work to identify the source of leaks.

5. **Accessibility** These parts are widely available from reputable aftermarket suppliers, making them easy to order online or through specialty motorcycle shops. Many sellers also provide detailed installation guides or customer support.

6. **Preventative Measure** If your bike is showing signs of hose wear (e.g., leaks, bulging, or cracking), replacing them proactively can prevent engine overheating or coolant system failures, which could lead to costly repairs.

---

1. **Quality Variability** Not all aftermarket parts are created equal. Some cheaper or lesser-known brands may use subpar materials or poor manufacturing processes, leading to premature failure. It s important to research the supplier and read reviews before purchasing.

2. **Installation Complexity** Although the installation is generally straightforward, some riders may find it challenging if they lack experience with motorcycle maintenance. Improper installation (e.g., incorrect clamping or misalignment) could lead to leaks or damage to other components.

3. **Limited Performance Gain** This is not a performance part. The primary benefit is reliability and leak prevention, not increased power or efficiency. Riders looking for performance upgrades should focus on other components (e.g., exhaust, ECU tuning, or suspension).

4. **Potential for Counterfeit Parts** The aftermarket is prone to counterfeit or knockoff products, especially for popular models like the Aprilia Tuono RS. Buying from untrusted sellers increases the risk of receiving low-quality or fake parts that may not fit correctly or last long.

5. **Compatibility Concerns** While the part is designed for the 2011-2014 models, there may be slight variations between the RS and RS V4, or even minor differences between years. Double-checking the specifications and consulting installation guides is essential to avoid fitment issues.

6. **Warranty Void Risk** Installing aftermarket parts may void the manufacturer s warranty on your bike, depending on the terms of your warranty agreement. This is particularly relevant if the original hoses failed due to a defect covered under warranty.

---

The Aprilia TRT-TCN81 (11-14 RS/V4) thermostat housing hose set is a practical and cost-effective solution for owners looking to replace worn or failing OEM hoses. The primary benefits lie in improved reliability, ease of installation, and preventative maintenance. However, the quality of the part depends heavily on the supplier, and poor installation or counterfeit products can negate these advantages.

For riders who prioritize durability and hassle-free maintenance, this is a solid choice, provided they source it from a reputable seller and follow proper installation procedures. Those who are unsure about DIY repairs may opt to have a professional mechanic handle the installation to ensure correctness.

---

If you re experiencing leaks, bulging, or general wear in your thermostat housing hoses, replacing them with the Aprilia TRT-TCN81 kit is a wise preventative measure. To maximize the benefits and minimize risks:

1. **Purchase from a Trusted Supplier** Stick to well-known aftermarket brands or suppliers with positive reviews (e.g., DOT, Aprilia-approved parts, or reputable online retailers like Race Tech, Euro Parts, or local motorcycle shops).

2. **Verify Compatibility** Confirm that the part is explicitly listed for your model year (2011-2014 RS/V4) to avoid fitment issues.

3. **Follow Installation Guidelines** Carefully read the manufacturer s instructions or watch a detailed installation video to ensure proper clamping and alignment.

4. **Consider Professional Installation** If you re not confident in your mechanical skills, have a trusted mechanic perform the replacement to avoid mistakes.

5. **Monitor for Leaks Post-Installation** After installation, check the hoses regularly for signs of leaks or pressure buildup, especially during the first few rides.

**Final Verdict:** The Aprilia TRT-TCN81 hose set is a practical and affordable upgrade for maintaining your bike s cooling system. With the right supplier and careful installation, it can significantly reduce the risk of coolant system failures and extend the life of your Tuono RS or RS V4.

Details:

This thermostat w housing is in good condition and shows normal signs of wear. Expedited shipping services are available upon request.

part #: trttcn81 price

• $23.99

specifications speedometercycleiz:

• for models: Rsv4
• for makes: Aprilia
• for years: 2011-2014
• mpn: Trt-tcn81
• type: Thermostat W Housing

offer speedometercycleiz:

• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True
• availability: In Stock
• started: February 12, 2026

general speedometercycleiz:

• condition: Used
• Motorcycle Scooter Parts Accessories > Instruments Gauges > Individual Gauges

shipping speedometercycleiz:

• class: Economy, Standard
• type: Fixed
• transit: 5-9 Days
• cost: $8.00
• service: Economy, Standard

payments speedometercycleiz:

• credit card: Visa
• wallet: Apple-pay
• other

seller speedometercycleiz:

• city: Toccoa, Georgia
• rating: 99.8%
• # reviews: 13558

returns speedometercycleiz:

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

Aprilia TRT-TCN81 Is Similar To:

• 834232 Not Specified Aprilia Shiver Thermostat Housing Valve (48.1% similar) ...(March 29th, 2018)
• Rsv1000r 3575205 Aprilia 2002 Rsv Mille R Thermostat W Housing Assembly (61.1% similar) You can left on the pictures to to full screen. If there is a video to the bike parted out you can find it below the pictures...(May 24th, 2016)
• Aprilia 851908 09 Mana 850 Gauge Cover Housing (40.3% similar) ...(May 2nd, 2024)
• Aprilia 101042 2000 Rsv Mille Rotax V990 Oem Thermostat W Housing Assembly (66.7% similar) Tap please review all pictures to assess the condition of item. The consumer rights act 2015 says goods must be as described, fit for purpose and of satisfactory quality. World delivery estimations: country. Estimated delivery. This thermostat w housing is in good condition and shows normal signs ...(March 27th, 2026)