Overview
The Traxxas O-ring backplate 20x1.4mm (part number TRX5213) is an essential replacement spare part for RC enthusiasts who run Traxxas nitro-powered RC cars. This precision-engineered component is specifically designed to fit the TRX 2.5, TRX 2.5R, and TRX 3.3 nitro engines, making it an indispensable item for anyone maintaining or rebuilding these proven powerplants. Whether you're a seasoned RC car UK competitor or a weekend basher who enjoys pushing your nitro RC to the limit, having quality replacement gaskets and seals on hand ensures your engine runs smoothly and reliably for years to come.
Nitro RC engines are precision instruments that demand attention to detail, and the backplate O-ring plays a critical role in maintaining proper seal integrity within the engine assembly. Over time, even the highest-quality seals can wear, harden, or become damaged through normal use, vibration, and exposure to fuel and heat. The Traxxas TRX5213 backplate O-ring is the genuine OEM replacement part you need to restore your engine to factory condition and maintain optimal performance. This small but mighty component ensures that your nitro RC engine maintains proper compression and prevents fuel leakage, which are essential for consistent power delivery and reliable operation on the track or in the backyard.
At RC Model Shop, we understand that keeping your RC car UK fleet in peak condition requires access to genuine, quality spare parts. The Traxxas O-ring backplate is a genuine manufacturer component that meets strict Traxxas specifications and tolerances, ensuring perfect fit and function in your nitro-powered RC vehicles. Stock this essential spare part in your RC toolkit today and be prepared for any engine maintenance or rebuild project that comes your way.
Key Features
- Genuine Traxxas OEM Component — This is an official manufacturer part engineered to exact specifications, ensuring perfect compatibility and reliable performance in your TRX 2.5, TRX 2.5R, or TRX 3.3 nitro engine without any fitment issues or quality compromises.
- Precision 20x1.4mm Dimensions — The backplate O-ring is manufactured to precise measurements of 20mm outer diameter and 1.4mm cross-section, providing an exact seal that maintains engine compression and prevents fuel leakage during operation.
- Multi-Engine Compatibility — This single O-ring fits three different popular Traxxas nitro engine variants (TRX 2.5, TRX 2.5R, and TRX 3.3), making it a versatile spare part for anyone running multiple nitro-powered RC cars in the UK or beyond.
- Critical Seal Function — The backplate O-ring creates an essential pressure seal within the engine assembly, maintaining proper compression ratios and preventing fuel from escaping around the backplate during combustion cycles, which directly impacts engine performance and longevity.
- Easy Installation — As a simple replacement gasket and seal component, the O-ring can be quickly and easily installed during routine engine maintenance or complete rebuilds, requiring no special tools or technical expertise beyond basic RC engine knowledge.
- Durable Material Construction — Traxxas manufactures their seals from proven elastomer materials that withstand the extreme temperatures, pressures, and chemical exposure inherent in nitro fuel engine operation.
- Essential Maintenance Item — Every serious RC hobbyist who runs nitro-powered cars should keep spare O-rings in their toolbox, as seal replacement is one of the most common maintenance procedures and a critical factor in maintaining engine reliability.
Technical Performance
The backplate O-ring is a small but critically important component in the Traxxas TRX 2.5, TRX 2.5R, and TRX 3.3 nitro engine ecosystem. Nitro RC engines operate under intense conditions with internal combustion generating extreme pressures, high temperatures, and constant vibration that inevitably wear seals over time. The quality of your seals directly impacts engine performance, as a worn or damaged O-ring will allow compression to leak, reducing power delivery and making the engine difficult to start and keep running at peak performance. The TRX5213 is engineered as a precision replacement that restores factory specifications and seal integrity. The 20x1.4mm dimension specification is critical—the outer diameter of 20mm ensures proper seating in the backplate groove, while the 1.4mm cross-sectional thickness provides the right amount of material to create a reliable seal under the pressures generated during combustion. This O-ring material is specifically chosen to resist degradation from nitro fuel exposure, which contains methanol and other solvents that can harden or swell inferior seal materials over time. By using genuine Traxxas replacement seals, you ensure that your nitro RC engine maintains proper compression ratios, fuel containment, and overall performance characteristics that make these engines so beloved by RC enthusiasts worldwide.
What's in the Box
- 1x Traxxas Backplate O-Ring 20x1.4mm
Frequently Asked Questions
- What does the backplate O-ring do in my Traxxas nitro engine? — The backplate O-ring creates a critical seal between the engine backplate and the main engine body, preventing fuel leakage and maintaining proper compression during the combustion cycle. A worn or damaged O-ring will cause compression leaks, making your engine difficult to start and reducing overall power output and reliability.
- How often should I replace the backplate O-ring on my nitro RC? — O-rings should be inspected regularly and replaced whenever you notice signs of wear, hardening, cracking, or if fuel is leaking around the backplate area. Most serious RC enthusiasts replace their engine seals during routine maintenance intervals or complete engine rebuilds to ensure optimal performance and reliability.
- Will this O-ring fit my Traxxas nitro engine? — Yes, the TRX5213 is specifically designed to fit the TRX 2.5, TRX 2.5R, and TRX 3.3 nitro engines. Always verify your engine model before ordering to ensure proper compatibility, but if you own any of these three engine types, this genuine Traxxas part will fit perfectly.
- Is this a genuine Traxxas part or an aftermarket replacement? — This is a genuine OEM Traxxas component manufactured to exact factory specifications. Choosing genuine manufacturer parts ensures perfect fit, proper material composition, and reliable performance compared to cheaper aftermarket alternatives that may not meet strict quality standards.
- What tools do I need to replace the backplate O-ring? — Replacing an O-ring typically requires basic tools such as a screwdriver, socket set, and cleaning supplies. Most RC enthusiasts can complete this maintenance task themselves by following engine service documentation, though professional engine tuners are also available at many RC shops across the UK.
- Why is my Traxxas engine leaking fuel around the backplate? — A leaking backplate is the classic sign that your O-ring seal has worn out or become damaged. Fuel leakage indicates that the seal is no longer maintaining proper compression, and replacement with a fresh TRX5213 O-ring should resolve the issue and restore your engine to reliable operation.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the Traxxas O-ring, backplate 20x1.4mm (TRX 2.5, 2.5R) TRX5213 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
- Part Number: TRX5213
- Brand: Traxxas
- Component Type: Backplate O-Ring
- Outer Diameter: 20mm
- Cross-Section: 1.4mm
- Compatible Engines: TRX 2.5, TRX 2.5R, TRX 3.3 nitro engines
- EAN: 0020334521309
- Spare Part Category: Gasket, Seals & Shims
- Quantity per Package: 1
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
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- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
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- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
