Overview
The Associated B5M Gearbox Case (3 Gear) AS91607 is an essential genuine replacement component for owners and enthusiasts of the Associated B5M 1/10 scale buggy. Whether you're a competitive racer looking to maintain peak performance or a weekend basher wanting to keep your RC car in top condition, this authentic OEM gearbox case provides the precise engineering and fit that only a genuine manufacturer part can deliver. As a dedicated RC enthusiast in the UK, you'll appreciate the value of keeping genuine Associated spares in your pit box to minimise downtime and ensure your drivetrain performs consistently lap after lap.
The B5M represents one of Associated's most capable 1/10 scale 2WD buggy platforms, and the transmission system is absolutely critical to delivering reliable power transfer from motor to wheels. This gearbox case houses the three-gear transmission, providing the precise enclosure needed to keep your drive gears perfectly aligned and operating at peak efficiency. When wear and tear, or an unfortunate crash, damages your existing gearbox case, the AS91607 offers a straightforward, cost-effective solution to restore your B5M to factory specifications without compromising on quality or performance.
As an original Associated part manufactured to OEM standards, the AS91607 offers the fit and finish you can rely on when you need it most. Rather than risking compatibility issues or poor build quality with aftermarket alternatives, investing in this genuine component ensures your B5M transmission system functions exactly as the engineers at Associated intended. Keep a spare gearbox case in your pit box alongside your other essential spares—it's the difference between a quick pit stop and extended downtime during a competitive race or fun session at your local RC track in the UK.
Key Features
- Genuine OEM Associated Component — This is an authentic factory part manufactured by Associated, ensuring it meets the exact specifications and tolerances required for perfect fit on your B5M buggy, with no compatibility concerns or fitment issues.
- Designed for 3-Gear B5M Transmission — Engineered specifically for the three-gear transmission system found in the B5M platform, providing the precise housing needed to maintain gear alignment and reliable power delivery throughout your driving sessions.
- Precise Gear Enclosure — The case provides a durable, accurately machined enclosure for your drive gears, helping maintain critical alignment tolerances that directly impact drivetrain performance and longevity.
- Reliable Power Transfer — Proper gear alignment maintained by this case ensures consistent, efficient power transfer from your motor to the wheels, delivering the responsive handling and acceleration the B5M is known for.
- Essential Maintenance Component — Perfect for routine maintenance schedules or emergency repairs, this case is the straightforward way to keep your B5M transmission running smoothly without the need for specialist knowledge or tools.
- Cost-Effective Solution — Rather than replacing the entire transmission assembly, simply swapping out a damaged or worn gearbox case allows you to restore full functionality at a fraction of the cost of major drivetrain repairs.
- Pit Box Essential — Every serious B5M owner should keep a spare gearbox case available, ensuring that even if disaster strikes during competition or casual driving, you can quickly return to action and minimise downtime.
Technical Performance
The Associated B5M Gearbox Case AS91607 is engineered with the precision and attention to detail that has made Associated one of the most respected manufacturers of competitive RC buggies worldwide. This component serves as the structural and functional heart of your three-gear transmission system, manufactured to exact OEM specifications to ensure seamless integration with your existing B5M drivetrain. The case is constructed to maintain the precise tolerances necessary for optimal gear meshing and alignment, which directly translates to efficient power transfer, reduced vibration, and improved overall drivetrain reliability. Whether you're running your B5M in competitive racing environments on UK tracks or enjoying casual bashing sessions, this genuine gearbox case ensures your transmission operates at peak performance. The three-gear arrangement within this case provides the versatility needed for varying driving conditions, and the case itself ensures these gears remain perfectly positioned regardless of the demands you place on your buggy. For drivers who understand that every component matters when it comes to B5M performance, choosing the genuine Associated AS91607 over aftermarket alternatives is an investment in reliability and consistency that pays dividends through improved performance and extended drivetrain lifespan.
What's in the Box
- Associated B5M Gearbox Case (3 Gear) AS91607
Frequently Asked Questions
- Is the Associated B5M Gearbox Case AS91607 compatible with all B5M models? — This gearbox case is specifically designed for Associated B5M three-gear transmission systems. Always verify your B5M model uses the three-gear configuration before ordering, as some B5M variants may use different transmission designs. When in doubt, contact our expert team at RC Model Shop for guidance.
- What should I do if my gearbox case is damaged? — A damaged or cracked gearbox case will cause gear misalignment, leading to poor performance, noise, and potential drivetrain failure. The AS91607 provides the perfect replacement, allowing you to restore your B5M to factory specifications quickly and affordably without replacing the entire transmission assembly.
- How often should I replace my gearbox case? — With proper maintenance and careful driving, your gearbox case should last many seasons. However, crashes, hard impacts, or signs of cracking warrant immediate replacement to prevent damage to your transmission gears. As a spare part to keep in your pit box, having one available ensures you're never left stranded when needed.
- Can I use aftermarket gearbox cases instead of genuine Associated parts? — Whilst aftermarket options may seem cheaper initially, genuine OEM components like the AS91607 offer superior build quality, exact fitment, and manufacturer warranty backing. For the small additional investment, you gain peace of mind and reliable performance—especially important if you're competing seriously or want your B5M to perform at its best.
- Why should I buy this spare before I need it? — Every experienced RC racer keeps critical spares in their pit box because failures always happen at inconvenient times. Having the AS91607 on hand ensures that if disaster strikes during a race or driving session, you can complete repairs quickly and get back to action without expensive delays or missed opportunities.
- Is this part difficult to install? — Gearbox case replacement is a straightforward maintenance task for most B5M owners, requiring basic mechanical skills and standard RC tools. If you're unfamiliar with transmission work, our friendly team at RC Model Shop is happy to provide guidance or support you through the process.
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 ASSOCIATED B5M GEARBOX CASE (3 GEAR) AS91607 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: Associated
- Model Number: AS91607
- Product Type: Gearbox Case
- Compatibility: Associated B5M 3-gear transmission
- Barcode: 784695916074
- Gear Configuration: 3-gear
- Function: Transmission housing and gear enclosure
- Purpose: Replacement component for B5M gearbox assembly
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.
