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ARRMA Diff Case Set Composite Housing Steel Insert AR310433

Model No: AR310433


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This super-strong Diff Case Set provides parts to replace your kit items.

  • Manufacturer: ARRMA
  • Model Number: AR310433
  • Alternative Part Number: ARAC4006 (Horizon Hobby)
  • UK Retailer Part Number: Z-AR310433
  • EAN: 5052127007382
  • Product Type: Differential Case Set - Drivetrain Spares
  • Customer Rating: 4.2 out of 5
  • Qty of Diff Case with Steel Insert: 1
  • Qty of Steel Cross Shaft Insert: 4
  • Qty of Diff Gasket: 1
  • Qty of Button Head Screws M3 x 12mm: 4
  • Qty of Set Screw M4 x 3mm: 1
  • Diff Case Material: Tough Composite with Moulded-in Steel Insert
  • Cross Shaft Inserts: Precision-Manufactured Metal (Steel)
  • Gasket Material: Standard Gasket Material
  • Fastener Type: Button Head Screws and Set Screw with High-Quality Threads
  • Compatible Scales: 1/7 and 1/8
  • Compatible with ARRMA FELONY 6S AVC 4WD RTR Brushless
  • Compatible with ARRMA FIRETEAM 6S 4WD RTR Brushless Buggy
  • Compatible with ARRMA INFRACTION 6S 4WD RTR Brushless
  • Compatible with ARRMA INFRACTION 6S AVC 4WD RTR Brushless
  • Compatible with ARRMA LIMITLESS 6S 4WD Roller Brushless
  • Compatible with ARRMA LIMITLESS 6S 4WD RTR Brushless
  • Compatible with ARRMA MOJAVE 6S 4WD RTR Brushless
  • Compatible with ARRMA KRATON 6S 4WD RTR Brushless
  • Compatible with ARRMA NOTORIOUS 6S 4WD RTR Brushless
  • Compatible with ARRMA OUTCAST 6S 4WD RTR Brushless
  • Compatible with ARRMA TALION 6S 4WD RTR Brushless
  • Compatible with ARRMA TYPHON 6S 4WD RTR Brushless Buggy
  • Compatible with ARRMA TYPHON 6S TLR Tuned 4WD Roller Brushless
  • Suitable for 6S Brushless Electric Vehicles
  • Provides Standard Replacement Parts for Kit Items
  • Engineered for All Driving Conditions

Overview

The ARRMA Diff Case Set (AR310433) is an essential replacement component for RC enthusiasts who own ARRMA 1/7 and 1/8 scale brushless RC vehicles. Whether you're a dedicated racer, weekend basher, or serious hobbyist, this differential case set provides the durability and performance you need to keep your RC car UK-ready for action. Differential cases are critical components in any RC vehicle's drivetrain, transferring power from the motor to the wheels whilst allowing for smooth turning. The ARRMA Diff Case Set is engineered to withstand extreme conditions, from high-speed street bashing to challenging off-road terrain, making it an ideal choice for anyone running ARRMA's premium brushless RC models.

This comprehensive diff case replacement set includes everything needed to maintain or restore your vehicle's differential system to factory specifications. With a 4.2 out of 5 customer rating, this part has been proven reliable by RC enthusiasts across the UK and beyond. If you're experiencing wear on your differential case, noticing noise during acceleration, or simply performing preventative maintenance on your ready to run RC vehicle, this set delivers the quality and precision you'd expect from an authorised ARRMA parts supplier.

The ARRMA Diff Case Set is compatible with an extensive range of ARRMA 6S brushless models, including the FELONY, INFRACTION, LIMITLESS, MOJAVE, KRATON, NOTORIOUS, OUTCAST, TALION, and TYPHON series. This broad compatibility makes it a smart investment for any RC enthusiast with multiple ARRMA vehicles in their fleet, or for those planning to upgrade within the ARRMA 6S brushless range.

Key Features

  • Tough Composite Diff Case — The core housing is manufactured from a specially formulated composite material that delivers long-lasting performance in all conditions, from scorching summer heat to wet British weather, ensuring your differential stays protected through countless bashing sessions.
  • Steel Insert for Enhanced Durability — A specially moulded-in steel insert reinforces the diff case, providing increased strength and durability when subjected to extreme loads during high-speed acceleration, jumps, and aggressive driving manoeuvres.
  • Precision-Manufactured Metal Cross Shaft Inserts — The set includes four steel cross shaft inserts that are precision-engineered for maximum durability under extreme loads, reducing wear and maintaining consistent performance throughout the life of the component.
  • High-Quality Screw Threads — The included screws feature high-quality threads that remain consistent through multiple servicing cycles, ensuring that you can disassemble and reassemble your differential without stripping or cross-threading, which is essential for reliable maintenance.
  • Complete Replacement Set — Rather than purchasing individual components, this set provides everything you need in one convenient package, saving time and ensuring all parts are compatible and matched to factory specifications.

Technical Performance

The ARRMA Diff Case Set demonstrates the engineering excellence expected from a leading RC vehicle manufacturer. The composite construction of the main case housing offers an optimal balance between weight and strength, whilst the steel insert significantly increases structural integrity when handling the immense forces generated by 6S brushless electric motors in 1/7 and 1/8 scale vehicles. The four metal cross shaft inserts are where the magic happens—these precision-manufactured components ensure that drive force is transmitted evenly to both wheels whilst allowing the vehicle to turn smoothly. The high-quality screw threads on the M3 x 12mm button head screws mean you won't experience the frustration of stripped fasteners when performing routine maintenance, which is common with lower-quality aftermarket parts. The M4 x 3mm set screw adds another layer of security, locking everything in place during operation. Whether you're pushing your ARRMA KRATON 6S, TYPHON 6S, or MOJAVE 6S to its limits on UK roads and tracks, this diff case set provides the reliability and performance you demand. The included gasket ensures a proper seal, preventing oil leakage and maintaining consistent performance throughout extended driving sessions. This is the kind of part that experienced RC enthusiasts keep as a spare, ensuring zero downtime when maintenance or repairs are required.

What's in the Box

  • 1 x Diff Case with Steel Insert
  • 4 x Steel Cross Shaft Insert
  • 1 x Diff Gasket
  • 4 x Button Head Screws M3 x 12mm
  • 1 x Set Screw M4 x 3mm

Compatible Models

The ARRMA Diff Case Set is a standard part for a comprehensive range of ARRMA 1/7 and 1/8 scale brushless RC vehicles, including:

  • ARRMA 1/7 FELONY 6S AVC 4WD RTR Brushless All-Road Street Bash
  • ARRMA 1/7 FIRETEAM 6S 4WD RTR Brushless Buggy
  • ARRMA 1/7 INFRACTION 6S 4WD RTR Brushless All-Road Street Bash
  • ARRMA 1/7 INFRACTION 6S AVC 4WD RTR Brushless All-Road Street Bash
  • ARRMA 1/7 LIMITLESS 6S 4WD Roller Brushless Street Speed
  • ARRMA 1/7 LIMITLESS 6S 4WD RTR Brushless Street Speed
  • ARRMA 1/7 MOJAVE 6S 4WD RTR Brushless Desert Truck
  • ARRMA 1/8 KRATON 6S 4WD RTR Brushless Speed Truck
  • ARRMA 1/8 NOTORIOUS 6S 4WD RTR Brushless Stunt Truck
  • ARRMA 1/8 OUTCAST 6S 4WD RTR Brushless Stunt Truck
  • ARRMA 1/8 TALION 6S 4WD RTR Brushless Speed Truck
  • ARRMA 1/8 TYPHON 6S 4WD RTR Brushless Buggy
  • ARRMA 1/8 TYPHON 6S TLR Tuned 4WD Roller Brushless Buggy

Frequently Asked Questions

  • How often should I replace my differential case? — The differential case typically lasts through many hours of driving, but wear accelerates under aggressive driving, jumps, and extreme temperatures. If you notice grinding noises, difficulty turning, or visible damage to the case, it's time for replacement. Regular maintenance and inspection of your differential will extend its lifespan significantly.
  • Is this set suitable for beginners upgrading their ARRMA vehicle? — Yes, this part is ideal for anyone who owns an ARRMA 6S brushless RC vehicle and needs to perform maintenance or replacement. The set is straightforward to install if you're already familiar with basic RC car maintenance, though we recommend consulting your vehicle's manual or watching instructional videos if you're new to differential servicing. This is a genuine ARRMA part, so it will fit perfectly and perform as intended.
  • What vehicles does this diff case fit? — This is a standard component for ARRMA 1/7 and 1/8 scale brushless models including the FELONY, INFRACTION, LIMITLESS, MOJAVE, KRATON, NOTORIOUS, OUTCAST, TALION, and TYPHON series. Check the compatibility list on the product page to confirm your specific model variant is supported.
  • Why does my differential case need replacement? — Differential cases wear due to the constant stress of transmitting motor power to the wheels. Plastic cases can crack under jumps or extreme loads, whilst wear in the cross shaft inserts can cause play and noise. The steel inserts in this set significantly reduce wear compared to plastic-only alternatives, making this a genuine performance upgrade for vehicles that experience heavy use.
  • Can I use aftermarket upgrade diff cases instead? — Whilst aftermarket upgrades like metal diff cases are available, this genuine ARRMA Diff Case Set ensures perfect fitment and is specifically engineered for your vehicle's specifications. If you're looking for performance enhancements beyond basic replacement, aftermarket options exist, but they should only be used if your vehicle's manual approves their use and they are rated for your vehicle's power level.
  • Do I need any special tools to install this diff case set? — Installation requires basic RC maintenance tools including hex drivers and screwdrivers. The high-quality screw threads mean you won't need excessive force, reducing the risk of damage. We recommend having a proper set of hex drivers and a soft-faced mallet if you need to tap the diff case into place. Consult your ARRMA vehicle manual for detailed installation instructions.

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 Diff Case Set 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.