TRIUMPH 2100450 Sport Radiator Coolant Expansion Tank Bottle

( Manufacturer Part Number: 2100450 ), ( Part Type: Radiator Tank )

Review TRIUMPH Sport Radiator Coolant Expansion Tank Bottle fits THUNDERBIRD LEGEND 900

Introducing the Triumph 2100450 900 Thunderbird Sport Legend Radiator Coolant Expansion Tank Bottle, a vital component for maintaining the optimal cooling system performance in your Triumph Thunderbird 900 Sport Legend motorcycle. This expansion tank is precisely engineered to fit and function effectively with this specific motorcycle model.

The Triumph 2100450 expansion tank is manufactured using high-quality materials that ensure durability and resistance to corrosion. It is designed with a capacity of approximately 2.2 liters or 0.6 gallons, providing enough space for coolant expansion during engine heating. The tank is constructed with a transparent sidewall, enabling you to easily monitor coolant levels without the need for frequent opening.

The shape of the expansion tank is ergonomically designed to fit neatly within the motorcycle's engine compartment, ensuring a snug and secure fit. The top of the tank features a sturdy, pressurized cap with an O-ring seal to prevent leaks and maintain an airtight seal. The cap is also equipped with an overfill protection system, ensuring that coolant levels do not exceed the recommended amount.

The Triumph 2100450 900 Thunderbird Sport Legend Radiator Coolant Expansion Tank Bottle is compatible with a wide range of coolants, including ethylene glycol and propylene glycol-based coolants. It is essential to use the correct coolant type and dilution ratio for your motorcycle to ensure proper cooling system functionality and engine protection.

Maintaining the coolant system in your Triumph Thunderbird 900 Sport Legend is crucial for the overall performance and longevity of the engine. By using a genuine Triumph expansion tank, you can trust that you are providing your motorcycle with the highest quality component for reliable and effective cooling system operation.

Pros and Cons of Buying Triumph 2100450 900 Thunderbird Sport Legend Radiator Coolant Expansion Tank

The Triumph 2100450 900 Thunderbird Sport Legend Radiator Coolant Expansion Tank is an essential component of the cooling system in Triumph Thunderbird Sport Legend motorcycles. This tank ensures the proper functioning of the cooling system by allowing the coolant to expand during heating without causing damage. In this analysis, we will discuss the key advantages and disadvantages of purchasing this part.

1. OEM Compatibility: This expansion tank is a direct OEM (Original Equipment Manufacturer) replacement for Triumph Thunderbird Sport Legend motorcycles. This ensures a perfect fit and compatibility with the vehicle's cooling system.

2. High-Quality Material: The Triumph 2100450 900 Thunderbird Sport Legend Radiator Coolant Expansion Tank is made from high-quality materials that are resistant to corrosion and can withstand the extreme temperatures encountered in a motorcycle engine.

3. Proper Functioning: A faulty or leaking expansion tank can lead to a variety of issues, including overheating, engine damage, and even complete engine failure. By replacing the old tank with a new one, you can ensure the cooling system functions correctly and efficiently.

4. Peace of Mind: Purchasing an OEM part from a reputable manufacturer like Triumph provides peace of mind that the part is designed to last and perform optimally.

1. Cost: The Triumph 2100450 900 Thunderbird Sport Legend Radiator Coolant Expansion Tank may be more expensive than aftermarket alternatives. However, the cost is justified by the high-quality materials used and the OEM compatibility.

2. Availability: Depending on the location and availability, it might be challenging to find this part at local dealerships or auto parts stores. Online retailers may offer the best options for purchasing this part.

The Triumph 2100450 900 Thunderbird Sport Legend Radiator Coolant Expansion Tank is an essential component of the motorcycle's cooling system that ensures proper functioning, efficiency, and longevity. Although it may be more expensive compared to aftermarket alternatives, the high-quality materials, OEM compatibility, and peace of mind that comes with purchasing an OEM part make it a worthwhile investment for Triumph Thunderbird Sport Legend motorcycle owners.

Details:

As shown from a 1996 Thunderbird 900.

part #: 2100450 prices

• $33.59-$38.00

specifications racacyc:

• for models: 900, Thunderbird, Legend
• for makes: Triumph
• mpn: 2100450
• part type: Radiator Tank

seller racacyc:

• rating: 97.0%
• # reviews: 66
• city: Killeen, Texas

shipping racacyc:

• cost: $13.20
• class: Standard
• transit: 3-8 Days
• carrier: USPS
• type: Calculated
• service: USPS Ground Advantage

general racacyc:

• condition: Used
• Motorcycle Scooter Parts Accessories > Engine Cooling > Radiator Coolant Reservoir Caps

payments racacyc:

• wallet: Google-pay
• other
• credit card: Diners-club

offer racacyc:

• quantity: 1
• availability: In Stock
• started: June 25, 2025
• sold: 0
• options: Ship-to-home
• best offers: True

returns racacyc:

• policy: No Returns

Triumph 2100450 Is Similar To:

• T2100074 Triumph Trident 900 Radiator (35% similar) All used parts will have some imperfections...(May 9th, 2017)
• T2100081 Not Specified Triumph Daytona Radiator Cap (34.3% similar) Typically, our first counter offer is usually 'best offer. Removed from: 2006 triumph Dayton 675 with miles please review all pictures to assess the condition of item. Please be considerate of relative prices and condition when making an offer. These charges are non-negotiable...(July 11th, 2018)
• T2101499 Triumph Thruxton Filler Neck Coolant Cap (36.4% similar) Feel free to for any questions regarding this item. Shipping times once in transit are estimated. Carefully removed by our master tech. Fast free shipping...(May 29th, 2018)
• T2108005 Triumph Speed Four Radiator Cap Fits (43.8% similar) Usable as shown. Fits and maybe other years. Also all used parts will have some imperfections no matter how nice the condition...(August 26th, 2019)
• Triumph 2504009 19 Bonneville Speed Twin Radiator Fill Neck Cap (50.7% similar) Used: see video and photos for details, part is off a good running 2019 triumph Bonneville speed twin, with 3,925 miles, watch of this unit - YouTube. 21 cf-moot force 800 hp power outlet. 21 cf-moot force 800 hp battery wire cable lines. Triumph cruiser...(September 23rd, 2023)
• Triumph 2101499 16 Bonneville T120 Coolant Tank Filler Neck (43.7% similar) 16 triumph Bonneville T120 map MFA mass air flow pressure sensor. 16 triumph Bonneville T120 air breather valve. 16 triumph Bonneville T120 brake fluid reservoir. Cosmetic wear as shown in pictures - used: see video and photos for details, part is off a good running 2016 triumph Bonneville T120, ...(December 8th, 2023)
• Triumph Grc112 Tr6 Nos Unipart 7 Lbs Radiator Cap 1970-73 Only 1970 Gt6 Too (44% similar) Friends while going through some old uni part inventory I found this new stock radiator cap that's correct for the 1970 73 triumph TR6 model's, and also only GT6...(November 15th, 2024)
• Triumph T2100161 Legend Tt Thunderbird Sport Engine Cooling Radiator Side Cap Covers (55.1% similar) Manufacturer: triumph. Condition: used. It is a little dirty and has some marks from previous use storage. Fits make: triumph. Condition: this is a used pair of radiator covers. INV971, 971-103, 1550C. Fits model's: triumph legend tt: 1998 , 1999 , 20 2001 . Triumph, radiator covers. Triumph ...(June 24th, 2025)
• Triumph T2100699 2001 Daytona 955i Radiator Cap (47.7% similar) Condition: scratches, scuffs, marks, oxidized, rust, dirt, weathered. Please look at the pics closely for condition. Leroy's INC. 2001 triumph Dayton 955I radiator cap T2100699: specification: year make model manufacturer part number frame Nanjing vain, 2001 TRIUMPHDAYTONA 955IT2100699SMT502FK21. ...(August 27th, 2025)
• Brisunshine Omnzy0vprkn Engine Oil Cooling Radiator Fits For Triumph Thruxton Rs 17-23 Street Twin (25.4% similar) Material:aluminium. About this item. 3 fit for triumph street cup 2017 -2020 scrambler 2017 - 2022 twin 2016 - 2022 thrusting 1200 2017 , 2018 r rs 2017 -2023. Engine oil cooling radiator fits for triumph thrusting rs 17-23 street twin 16-22. 2 fit for triumph Bonneville 2017 -2023 T100 ...(September 23rd, 2025)
• Triumph T2100164 Street Triple 675 2008 2011 Original Radiator Cap Fit All Trium (45.4% similar) Manufactured in the united kingdom, this original triumph part does not require any drilling or modifications for installation, making it a convenient and reliable solution those need of replacement radiator cap their motorcycle. Triumph street triple 675 2008 2011 original radiator cap T2100164...(February 21st, 2026)