Overview
The Team Associated B6.1 Gear Differential Case (AS91783) is a genuine OEM replacement housing designed for RC enthusiasts who demand reliability and precision in their 1/10 scale buggy performance. Whether you're a serious competitor running your B6.1 on the track or a weekend basher pushing your RC car to its limits, maintaining your differential assembly is critical to consistent handling and on-track performance. This replacement differential case is manufactured by Team Associated to exacting standards, ensuring perfect fitment and long-term durability that keeps your RC buggy performing at its best.
For UK RC car racers and hobbyists alike, the B6.1 platform has become synonymous with reliability and competitive edge in 1/10 scale buggy racing. The differential is one of the most critical components in your drivetrain, and keeping it in pristine condition directly impacts how your RC buggy corners, accelerates and maintains traction through the most demanding sections of track. Over time, wear and tear on the differential case can compromise sealing, leading to oil leakage, inconsistent performance and potential gear damage. This is where the AS91783 differential case becomes invaluable—it restores your differential to like-new condition and allows you to rebuild the entire assembly with confidence.
This is not a complete differential assembly; rather, it is the genuine housing that forms the foundation of your differential unit. When servicing your B6.1, you have the opportunity to inspect gears, seals and silicone differential oil as part of a comprehensive maintenance schedule. By replacing a worn or damaged case, you ensure smooth, consistent action and reliable sealing that translates directly into stable on-track performance lap after lap. RC Model Shop stocks this part in the UK and ships same day when you order before cutoff time, making it easy to keep your RC car in top condition.
Key Features
- Genuine OEM Part — Manufactured directly by Team Associated, this differential case guarantees perfect fitment to your B6.1 chassis and compatible models, eliminating the risk of poor alignment or leakage that can occur with aftermarket alternatives.
- Precision Replacement Housing — The case forms the structural foundation of your differential assembly, maintaining critical tolerances for gear alignment and oil sealing to preserve the smooth, consistent action your RC buggy depends on for competitive performance.
- Comprehensive Rebuild Foundation — This replacement case is ideal for complete differential rebuilds, allowing you to refresh worn seals, inspect internal gears and replenish silicone differential oil for long-term reliability and optimal performance.
- Cross-Compatible with Multiple Models — While designed for the B6.1, this part maintains compatibility with numerous other Team Associated platforms including the B6.1D, B6.2, B6.2D, B6.1DL, B6.3, B6.4, B6.4D, T6.1, T6.2, T6.4, RC10SC6.1, RC10SC6.2, SC6.4, DC10, and Reflex 14B, making it a versatile addition to any workshop.
- Cost-Effective Maintenance Solution — Rather than replacing an entire differential assembly, this housing allows targeted repair and maintenance at a fraction of the cost, extending the service life of your differential components.
- Critical for Seal Integrity — A worn case compromises oil sealing, leading to leakage and performance loss; this replacement restores the structural integrity necessary to maintain consistent differential behaviour under racing conditions.
Technical Performance
The Team Associated B6.1 Gear Differential Case represents the pinnacle of precision engineering in 1/10 scale buggy components. Manufactured using quality materials and tight tolerances, this housing maintains the exact geometry required for proper gear mesh alignment and oil retention within your differential assembly. The case design accommodates standard silicone differential oil, which is essential for controlled power delivery and consistent performance across varying track conditions and driving styles. When properly sealed and maintained, this differential case works in harmony with internal gears to provide smooth, predictable handling characteristics that competitive racers and experienced hobbyists rely on for consistent lap times. The engineering behind Team Associated's differential cases reflects decades of experience in precision RC car manufacturing, with every dimension optimised for durability and performance. For users of RC buggies in the UK who demand reliability and consistency, understanding the importance of differential case condition is fundamental to maximising your investment in a quality platform like the B6.1.
What's in the Box
- 1x Team Associated B6.1 Gear Differential Case (AS91783)
What You Need to Complete
- Internal differential gears (if performing complete rebuild)
- Differential seals and gaskets (recommended during service)
- Silicone differential oil (for assembly and operation)
- Standard RC maintenance tools (screwdrivers, hex keys)
Frequently Asked Questions
- Is the Team Associated B6.1 Gear Differential Case suitable for beginners? — This is an intermediate to advanced component best suited to users with differential service experience. If you are new to RC car maintenance, we recommend consulting Team Associated documentation or contacting our expert team at RC Model Shop for guidance on proper differential assembly and maintenance procedures.
- Will this differential case work with my Team Associated RC buggy model? — The AS91783 is primarily designed for the B6.1 but maintains compatibility with numerous Team Associated platforms including B6.1D, B6.2, B6.2D, B6.1DL, B6.3, B6.4, B6.4D, T6.1, T6.2, T6.4, RC10SC6.1, RC10SC6.2, SC6.4, DC10 and Reflex 14B. If you are uncertain about fitment to your specific model, our team is happy to help—contact us via WhatsApp, phone or in-store at our Walsall location.
- What should I do when replacing my differential case? — When servicing your differential, take the opportunity to inspect internal gears for wear, replace seals and gaskets if necessary, and replenish the silicone differential oil. This comprehensive approach ensures optimal performance and reliability from your differential assembly for many hours of racing or bashing.
- Why would I need to replace my differential case? — Over time, differential cases can wear, develop micro-cracks or lose their sealing integrity due to impacts, age or intensive use. A worn case may leak oil, causing inconsistent differential behaviour and potential damage to internal gears. Replacing the case restores structural integrity and sealing, which is essential for reliable on-track performance.
- Is this a complete differential assembly? — No, the AS91783 is the housing case only. It does not include internal gears, seals or oil. This allows you to selectively replace only the damaged component while retaining serviceable gears and seals, or perform a complete rebuild if desired.
- How quickly will this ship from RC Model Shop? — This part usually ships the same day when you order before cutoff time, ensuring you can get back to racing as quickly as possible. We offer both standard and express shipping options to most of the UK, plus worldwide shipping is available at checkout.
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 B6.1 Gear Differential Case AS91783 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.
- Brand: Team Associated
- Part Number: AS91783
- Barcode: 784695917835
- Product Type: Gear Differential Case
- Fitment: Standard Part
- Primary Compatibility: Team Associated B6.1
- Cross-Compatibility: B6.1D, B6.2, B6.2D, B6.1DL, B6.3, B6.4, B6.4D, T6.1, T6.2, T6.4, RC10SC6.1, RC10SC6.2, SC6.4, DC10, Reflex 14B
- Condition: New Genuine OEM Replacement Housing
- Contents: Differential case housing only
- Additional Parts Required: Internal gears, seals, gaskets, silicone differential oil (sold separately)
- Stock Status: Usually ships same day
- Delivery Option: Standard shipping £3.95, Express shipping £6.95 to most of UK, Worldwide shipping available
- Return Policy: 28 day returns
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.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- 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.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- 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.
