Menu

ARRMA Differential Inserts 4 Pack for Outcast 4X4 8S Z-ARA310916

Model No: Z-ARA310916


Next Working Day Delivery Order before 2pm

In Stock for Immediate Dispatch

Next Working Day Delivery

£19.99

£2.45

£17.54

Inc VAT

In Stock
1 Year Warranty
We Accept
  • Manufacturer: ARRMA
  • Part Number: Z-ARA310916
  • EAN: 5052127033190
  • Spare Part Type: Drivetrain Spares
  • Compatible With: C-ARA5810V2T1 - ARRMA 1/5 Outcast 4X4 8S BLX EXB Brushless Stunt Truck RTR
  • Quantity: Four (4) Differential Inserts

Overview

The ARRMA Diff Inserts (4) Z-ARA310916 are essential drivetrain spares designed specifically for the ARRMA 1/5 Outcast 4X4 8S BLX EXB Brushless Stunt Truck. These differential inserts are precision-engineered components that play a crucial role in maintaining optimal performance and handling characteristics of your high-performance RC vehicle. Whether you're a seasoned RC enthusiast running a competitive brushless RC truck or a dedicated basher looking to maintain your investment, these genuine ARRMA spares ensure your differential system continues to perform at its peak.

Differential inserts are fundamental drivetrain components that affect how power is distributed to the wheels during cornering, acceleration, and deceleration. Over time, through regular use and demanding driving conditions, these inserts can wear or require replacement to maintain the precise handling balance your RC truck demands. As an authorised ARRMA dealer, RC Model Shop stocks only genuine ARRMA parts, ensuring compatibility, quality and reliability. These inserts are compatible with the ARRMA Outcast 4X4 8S models, one of the most popular high-performance stunt trucks in the RC car UK market.

When you purchase the ARRMA Diff Inserts (4) Z-ARA310916 from RC Model Shop, you're investing in genuine, manufacturer-approved components that restore your brushless RC truck's differential performance to factory specifications. Whether you need replacements due to wear, want to experiment with different insert configurations for tuning, or simply want to maintain spare parts on hand for your Outcast 8S, this four-pack provides excellent value and peace of mind.

Key Features

  • Set of Four Inserts — This pack contains four individual differential inserts, allowing you to service or replace worn components in your differential assembly and maintain a critical spares set for competitive or regular bashers.
  • Genuine ARRMA Component — Manufactured to OEM specifications by ARRMA, these inserts ensure perfect compatibility with your Outcast 4X4 8S BLX EXB and maintain the precise engineering tolerances required for optimal differential function.
  • Drivetrain Spares Quality — As classified drivetrain spares, these inserts are engineered to the highest standards using quality materials that withstand the demands of high-speed brushless RC truck operation.
  • Direct Replacement — Designed as a direct replacement for worn or damaged differential inserts, these parts restore your truck's handling characteristics and power delivery without requiring modifications or adjustments to other components.

Technical Performance

The differential is a critical component in any 4WD RC truck, and the inserts within it directly influence how the vehicle behaves during turns, acceleration and traction management. ARRMA engineers these inserts to exacting specifications to ensure that power is distributed correctly between the wheels, providing smooth handling and predictable steering response. The differential inserts work in conjunction with the differential gears to control the amount of resistance and slip between wheels, which is essential for maintaining traction and stability during cornering on uneven terrain. The inserts in this four-pack are manufactured from durable materials engineered to resist wear from the constant rotational forces generated by the powerful 8S LiPo batteries and brushless drivetrain of the Outcast 4X4. Whether you're pushing your RC truck to its limits in competitive settings or enjoying weekend bashers, these genuine spares ensure your differential maintains factory-fresh performance characteristics. The engineering and material quality of genuine ARRMA parts like these inserts contribute directly to the reliability and longevity of your brushless RC truck.

What's in the Box

  • Four Differential Inserts

Frequently Asked Questions

  • What are differential inserts and why do I need them for my ARRMA Outcast 8S? — Differential inserts are small, precision-engineered components inside your truck's differential assembly that control how power is distributed to the wheels. They wear over time with use and need periodic replacement to maintain optimal handling, traction and steering response. If you notice your Outcast 8S feels sluggish in corners or the steering has become less responsive, worn differential inserts could be the culprit, making a replacement set essential for restoring performance.
  • Are these inserts compatible with my ARRMA Outcast 4X4 8S BLX? — Yes, these ARRMA Diff Inserts Z-ARA310916 are specifically engineered for the ARRMA 1/5 Outcast 4X4 8S BLX EXB Brushless Stunt Truck (model C-ARA5810V2T1). As genuine ARRMA spares, they provide perfect compatibility and fit without any modifications required.
  • How often should I replace the differential inserts on my RC truck? — The frequency depends on how much you use your truck and how aggressively you drive. Regular bashers and competitive drivers should inspect their differential inserts periodically and replace them when they show visible wear. Many experienced RC enthusiasts keep spare sets on hand, like this four-pack, for quick replacements during events or intensive driving sessions.
  • Can I use aftermarket differential inserts instead of genuine ARRMA parts? — Whilst some aftermarket options exist, genuine ARRMA parts like these inserts are engineered to precise OEM specifications and guaranteed to work perfectly with your Outcast 8S. Using genuine spares ensures consistent performance, prevents compatibility issues, and maintains the reliability that ARRMA's engineering reputation depends upon.
  • What is the difference between differential inserts and other differential components? — Differential inserts are one part of the complete differential assembly. The assembly also includes the differential case, gears, and shafts. The inserts specifically control the friction and resistance within the differential, affecting how smoothly power transitions between wheels during cornering. Replacing worn inserts can often restore differential function without needing to replace the entire assembly.

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 Diff Inserts (4) Z-ARA310916 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.