Team Associated RC8T3 Differential O-Ring V2 Genuine Spare Part AS81345

Overview

The Team Associated RC8T3 Diff O-Ring V2 (AS81345) is an essential genuine spare part for any RC enthusiast who owns or operates a Team Associated RC8T3 series buggy. This small but critical component plays a vital role in maintaining the sealing integrity of your differential, ensuring consistent performance and longevity of this crucial drivetrain assembly. Whether you're a competitive racer pushing your RC buggy to its limits or a weekend basher enjoying recreational driving, having quality differential O-rings in your spares box is the mark of a responsible RC car owner who understands proper maintenance.

Differential O-rings are subject to constant stress and wear during normal operation. Every time you run your RC car UK, the differential experiences repeated compression, heat cycles and exposure to dirt and debris. Over time, the original O-ring can degrade, crack or lose its sealing properties, which can lead to differential fluid leakage and compromised performance. The V2 revision of this O-ring represents the latest specification from Team Associated, incorporating lessons learned from the original design to provide improved durability and reliability. By keeping a genuine Associated O-ring on hand, you minimise downtime during differential servicing and maintain the performance characteristics your RC8T3 was engineered to deliver.

This is an authentic OEM part manufactured to the exacting standards you'd expect from Team Associated, one of the most respected names in competitive RC racing. When you choose genuine manufacturer parts like the RC8T3 Diff O-Ring V2, you're investing in reliability and peace of mind, knowing that your investment in quality RC equipment is being maintained with quality components.

Key Features

• Genuine Team Associated OEM Part — This is an original manufacturer component, not an aftermarket imitation, which means it meets the exact specifications and tolerances that the RC8T3 series was engineered around, ensuring perfect fit and optimal sealing performance every single time.
• V2 Revision Specification — The V2 designation indicates this is the second generation of this component, incorporating design refinements and improvements based on real-world racing and bashing experience, providing better durability and longevity than earlier versions.
• Perfect Like-for-Like Replacement — This O-ring provides a straightforward replacement option using original manufacturer specification, meaning no guessing, no compatibility concerns, and no risk of ordering an incorrect part when maintaining your RC8T3 series buggy.
• Critical Differential Sealing — The O-ring is responsible for maintaining a tight seal within the differential assembly, preventing differential fluid leakage that could compromise lubrication, increase friction and ultimately reduce drivetrain performance and lifespan.
• Routine Maintenance Ready — Keeping an original O-ring to hand helps minimise downtime during differential servicing and supports consistent operation over time, allowing you to get back to racing or bashing without unnecessary delays.
• Competitive Racing Proven — Team Associated components are trusted by competitive RC racers worldwide, meaning this O-ring has been tested under the most demanding conditions and proven to perform reliably at the highest levels of the sport.

Technical Performance

The RC8T3 Diff O-Ring V2 represents the engineering precision and attention to detail that Team Associated brings to every component in their range. Differential O-rings are engineered from high-quality elastomer materials specifically formulated to resist the unique demands of RC drivetrain service, including exposure to mineral oils, synthetic lubricants, temperature fluctuations and the repeated compression cycles that occur during acceleration, deceleration and cornering. The V2 specification has been refined to improve compression set resistance—the tendency of an O-ring to lose its shape after extended compression—which means improved sealing performance over longer service intervals. The O-ring's dimensional specifications are critical; it must be sized precisely to create adequate sealing pressure against the differential housing while remaining loose enough to avoid pinching or tearing during assembly. Team Associated's manufacturing tolerances ensure this perfect balance, something that generic aftermarket O-rings simply cannot guarantee. When you rebuild your RC8T3 differential—whether as routine maintenance after a season of racing or after a major rebuild—using the genuine V2 O-ring ensures that your differential will maintain its sealing integrity and deliver the performance characteristics you expect from your RC buggy.

What's in the Box

• One genuine Team Associated RC8T3 Diff O-Ring V2

Frequently Asked Questions

• Is the RC8T3 Diff O-Ring V2 suitable for beginners or only for competitive racers? — This is a maintenance component rather than a performance upgrade, making it equally suitable for everyone from beginners learning to maintain their first RC buggy to professional competitors. In fact, beginners often benefit most from learning proper maintenance practices with genuine parts, as this establishes good habits that will serve them throughout their RC hobby.
• When should I replace the differential O-ring on my RC8T3? — Team Associated recommends replacing the differential O-ring whenever you perform a differential rebuild or service, which is typically after 8-12 hours of competitive racing or when you notice any signs of differential fluid leakage. For casual weekend bashers, an annual inspection and replacement as part of pre-season maintenance is a good practice.
• What is the difference between the V2 and the original RC8T3 differential O-ring? — The V2 revision incorporates design improvements that enhance compression set resistance and overall durability. If you're maintaining or rebuilding an RC8T3 that originally came with the V1 O-ring, upgrading to the V2 specification is recommended for improved performance and longer service life.
• Can I use aftermarket or generic O-rings instead of the genuine Team Associated part? — While generic O-rings might seem like a cost saving, they often have looser tolerances and inferior elastomer formulations that can lead to differential fluid leakage, inconsistent sealing performance and potential drivetrain damage. The few pounds saved by using a cheap alternative could result in hundreds of pounds of drivetrain damage, making the genuine part the only sensible choice.
• What tools or skills do I need to replace this O-ring? — Replacing a differential O-ring requires basic mechanical knowledge and the ability to carefully disassemble and reassemble your RC8T3 differential. If you've never serviced a differential before, consult your RC8T3 manual or watch instructional videos from Team Associated or experienced RC communities to familiarise yourself with the process before starting work.

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 TEAM ASSOCIATED RC8T3 DIFF O-RING V2 AS81345 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.