TOYOTA 77111-08032 Fuel Tank Reservoir Bottle 3.5L V6

( Manufacturer Part Number: 77111-08032 ), ( Vintage Part: No ), ( Type: Fuel Tank ), ( Placement On Vehicle: Rear ), ( Material: Plastic ), ( Fitment Type: Direct Replacement ), ( Country Of Origin: United States )

Review TOYOTA 3.5l V6 Gasoline Fuel Tank Reservoir Bottle Oem fits SIENNA 2017–2020

The **Toyota 77111-08032 Fuel Tank Reservoir Bottle** is a precision-engineered, high-performance component designed specifically for the **2017 through 2020 Toyota Sienna models equipped with the 3.5L V6 engine**. This critical fuel system part serves as the reservoir for the fuel tank s **fuel level sensor**, ensuring accurate fuel gauge readings and maintaining optimal fuel delivery efficiency. Crafted from durable, corrosion-resistant materials, this reservoir bottle is built to withstand the demands of daily driving, including exposure to fluctuating temperatures, road vibrations, and the corrosive effects of fuel and moisture. Its seamless integration with the Sienna s fuel system helps prevent leaks, clogs, or sensor malfunctions, which can otherwise lead to erratic fuel gauge behavior or even engine performance issues. The design incorporates a secure, interference-fit connection to the fuel tank s internal structure, ensuring a tight seal that minimizes the risk of fuel vapor escape or contamination. Whether used in original equipment applications or as a high-quality replacement for maintenance and repairs, this reservoir bottle adheres to Toyota s stringent engineering standards, providing reliability and longevity. Ideal for mechanics, DIY enthusiasts, or fleet managers, this part is a straightforward yet essential upgrade for maintaining the fuel system s integrity in your Sienna, helping to preserve fuel efficiency and avoid costly diagnostic errors.

### **Pros and Cons of buying a Toyota 77111-08032 Fuel Tank Reservoir Bottle (2017-2020 3.5L V6 Sienna)**

1. **Direct Fitment** This part is specifically designed for the 2017-2020 Toyota Sienna with a 3.5L V6 engine, ensuring compatibility without modifications.

2. **OEM Quality** As a genuine Toyota replacement, it meets the manufacturer s standards for durability and performance, reducing the risk of leaks or premature failure.

3. **Prevents Fuel Contamination** The reservoir bottle helps filter out debris, protecting the fuel system from clogs and damage.

4. **Easy Installation** Designed to replace the original part, it should fit without extensive modifications, though some basic tools may be required.

5. **Long-Term Reliability** Toyota s reputation for durability suggests this part will last as long as the original, provided it is installed correctly and maintained.

6. **Warranty Coverage** If purchased from an authorized dealer or Toyota-approved supplier, it may come with a warranty, offering peace of mind against defects.

1. **High Cost** Genuine Toyota parts are typically more expensive than aftermarket alternatives, which could be a significant investment if the original part was already failing.

2. **Potential Overkill** If the original reservoir was functioning fine, replacing it may be unnecessary unless there are specific issues (e.g., leaks, contamination).

3. **Installation Complexity** Depending on the vehicle s condition, accessing and replacing the fuel tank reservoir may require removing other components (e.g., floor mats, undercarriage panels), adding labor time and cost.

4. **Limited Availability** If buying from a third-party seller, there is a risk of counterfeit or low-quality parts, so sourcing from a trusted supplier is crucial.

5. **Alternative Solutions** In some cases, cleaning or repairing the existing reservoir (if the issue is minor) could be a more cost-effective fix than full replacement.

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### **Conclusion**

The **Toyota 77111-08032 fuel tank reservoir bottle** is a reliable, high-quality replacement part for the 2017-2020 Sienna 3.5L V6, ideal if you need an exact OEM fit to resolve fuel system issues like leaks or contamination. However, the upfront cost and potential installation challenges may make it less appealing if the problem is minor or if aftermarket options are available.

If you are experiencing **fuel-related symptoms** (e.g., engine stalling, hard starting, or fuel odor), replacing the reservoir is a prudent investment in long-term reliability. If the issue is unrelated (e.g., a faulty fuel pump or clogged filter), other repairs may be more cost-effective.

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### **Recommendation**

- **Buy from an authorized Toyota dealer or a reputable online supplier** (e.g., RockAuto, Amazon, or a local Toyota parts store) to ensure authenticity and warranty coverage.

- **Verify the exact issue** if the reservoir is cracked or leaking, replacement is necessary. If the problem is something else (e.g., a failing fuel pump), prioritize that repair first.

- **Consider professional installation** if you are uncomfortable working under the vehicle or if the reservoir is difficult to access.

- **Compare prices** while OEM parts are reliable, check if a high-quality aftermarket alternative (e.g., from Dorman or WIX) offers similar performance at a lower cost.

**Final Verdict:** If you need a **direct, long-lasting replacement** for your Sienna s fuel tank reservoir, this is the best choice. However, weigh the cost against the severity of the problem to determine if it s the most efficient fix.

Details:

BODY TYPE: MINI PASSENGER VAN 4-DOOR. MILEAGE: 94K MILES. COLOR: EXTERIOR PREDAWN GRAY MICA 1H1. TRANSMISSION: 8-SPEED AUTOMATIC UA80E/F.

part #: 7711108032 prices

• $278.91-$314.99

specifications fueltanksysteme:

• for models: Sienna
• for makes: Toyota
• for years: 2017-2020
• mpn: 77111-08032
• vintage part: No
• type: Fuel Tank
• placement on vehicle: Rear
• material: Plastic
• fitment type: Direct Replacement
• country of origin: United States

offer fueltanksysteme:

• best offers: True
• quantity: 1
• started: February 13, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home

general fueltanksysteme:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

shipping fueltanksysteme:

• class: Economy
• type: Fixed
• transit: 5-8 Days
• cost: $150.00
• service: Economy

seller fueltanksysteme:

• # reviews: 43482
• city: Kingsley, Michigan
• rating: 99.9%

payments fueltanksysteme:

• other
• wallet: Paypal
• credit card: Mastercard

returns fueltanksysteme:

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

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