Z-ARA311188

Overview

The ARRMA Centre Diff Gear Cover Z-ARA311188 is an essential replacement spare part for RC enthusiasts in the UK who own the ARRMA 1/8 KRATON 6S EXB 4X4 RTR Speed Monster Truck. Whether you're a seasoned RC car UK competitor or a weekend basher, maintaining your centre differential is crucial for optimal performance and longevity. This genuine ARRMA spare part set provides you with the perfect replacement components to keep your brushless RC monster truck running at peak efficiency, ensuring consistent handling and reliable drivetrain performance across all types of terrain.

Centre differential gear covers play a vital role in protecting the delicate internal gearing mechanisms of your RC car's drivetrain. Over time, these components can wear, crack or become damaged through regular use, aggressive bashing, or competitive racing. The ARRMA Centre Diff Gear Cover set offers a straightforward, affordable solution to restore your truck to factory specifications without needing to purchase an entire new differential assembly. This makes it an ideal choice for RC hobbyists who want to maintain their vehicles in peak condition without breaking the bank.

Designed specifically for the KRATON 6S EXB platform, this replacement set ensures perfect fitment and compatibility with your ready to run RC monster truck. ARRMA's commitment to quality engineering means you can trust these components to deliver the same durability and performance as the original parts that came with your vehicle. Having spare differential covers on hand is smart maintenance practice for anyone serious about their RC hobby, allowing you to quickly swap out worn parts and get back to bashing without extended downtime.

Key Features

• Tough Composite Material — The centre diff gear cover and mount are manufactured from durable composite material that delivers long-lasting durability and consistent fit and removal, meaning you won't experience stripped threads, loose connections, or parts that wear out prematurely even with frequent maintenance cycles.
• Moulded ARRMA Livery — Each component features moulded ARRMA branding that not only gives your RC monster truck cool looks and aesthetic appeal, but also provides quality assurance and confirms you're purchasing genuine ARRMA spare parts from an authorised retailer.
• Perfect Fitment — This centre diff gear cover set is engineered to fit the ARRMA 1/8 KRATON 6S EXB 4X4 RTR Speed Monster Truck with absolute precision, ensuring the components sit flush, function properly, and maintain the integrity of your differential assembly during high-speed runs and aggressive cornering.
• Complete Replacement Set — The package includes both the centre diff mount and the gear cover itself, giving you everything needed to perform a full centre differential cover replacement without sourcing additional parts from multiple suppliers.
• Maintenance Essential — Keeping spare differential covers in your RC toolkit is essential for serious hobbyists, allowing you to maintain your truck's performance and extend the service life of your drivetrain components.

Technical Performance

The ARRMA Centre Diff Gear Cover Z-ARA311188 is engineered to withstand the demands of high-performance 4WD RC monster truck operation. The composite material construction provides an excellent balance between weight savings and durability, ensuring minimal stress on the differential gears whilst remaining robust enough to survive impacts, crashes, and the vibrations associated with aggressive off-road bashing. The centre differential is one of the most critical components in a 4WD RC vehicle, as it distributes engine torque between the front and rear axles whilst allowing them to rotate at different speeds during cornering. By replacing worn or damaged gear covers promptly, you maintain proper engagement and prevent debris ingress that could compromise performance. The moulded design ensures consistent fit tolerances, meaning the cover seats properly against the differential housing and provides adequate protection to internal mechanisms. For the KRATON 6S EXB platform, which is capable of impressive speeds and acceleration thanks to its brushless 6S LiPo compatibility, maintaining pristine differential components is non-negotiable for reliability. Regular inspection and timely replacement of worn parts like this centre diff cover set will keep your RC car UK investment performing at factory specifications for years to come.

What's in the Box

• 1 x Centre Diff Mount
• 1 x Centre Diff Gear Cover

Frequently Asked Questions

• Is the ARRMA Centre Diff Gear Cover Z-ARA311188 compatible with my RC monster truck? — This centre diff gear cover set is specifically engineered for the ARRMA 1/8 KRATON 6S EXB 4X4 RTR Speed Monster Truck (model C-ARA8708V6T1). Whilst ARRMA shares many design principles across their vehicle range, differential components are model-specific, so always verify compatibility before ordering to ensure perfect fitment and function.
• Why do I need a replacement centre diff gear cover? — The centre differential gear cover protects internal gearing mechanisms from debris, moisture, and damage whilst containing lubricant. During regular use and aggressive bashing, these composite covers can crack, strip, or wear. Replacing a damaged cover is far more economical than replacing the entire differential assembly, and it restores your truck's performance and reliability to factory specifications.
• How often should I replace my centre diff gear cover? — There is no fixed replacement interval; the centre diff cover should be replaced whenever it becomes visibly cracked, broken, or loose. Inspect your differential covers regularly after bashing sessions. High-competition users might keep spares on hand for quick field repairs, whilst casual weekend bashers may only need replacements every few years depending on usage intensity and crash frequency.
• Will this improve the performance of my KRATON 6S EXB? — A new centre diff gear cover itself won't directly increase speed or acceleration, but it will restore your truck to optimal factory performance by ensuring the differential operates correctly. A damaged or worn cover can allow debris ingress or cause misalignment, which reduces efficiency. By maintaining components like this, you preserve the inherent performance potential of your brushless RC monster truck.
• Is this suitable for beginners? — Yes, replacing a centre diff gear cover is one of the simpler maintenance tasks you can perform on your RC car UK. The components simply mount to the differential housing with minimal fasteners. If you're new to RC maintenance, this is an excellent project to start with, and having spare parts like this on hand demonstrates responsible ownership of your vehicle.
• What tools do I need to replace the centre diff gear cover? — Replacement typically requires only basic hex key tools to remove the fastening screws. Consult your KRATON 6S EXB instruction manual for the specific tool sizes and torque specifications. You may also want to have fresh differential lubricant available to ensure proper assembly and smooth operation after installation.

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 ARRMA Centre Diff Gear Cover Z-ARA311188 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.

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.