This Front/Rear 43T Straight Diff Set provides replacement parts for servicing your Diff assembly.
Overview
The ARRMA Diff Set Front Rear, 43T Straight (Z-AR220028) is an essential replacement differential assembly designed for serious RC enthusiasts who demand durability and precision in their drivetrain components. Whether you're a competitive racer, weekend basher, or dedicated hobbyist running an ARRMA RC car in the UK, this front and rear differential set delivers the performance and reliability you need to keep your machine running at its best. Built with premium materials and engineered to exacting standards, this 43T straight differential set is the perfect choice for servicing or upgrading your ARRMA vehicle's differential assembly.
This comprehensive differential set provides everything you need for a complete front or rear diff rebuild. The 43T straight crown gear configuration ensures smooth power delivery and consistent performance across a wide range of driving conditions, from tight technical courses to high-speed open tracks. ARRMA's reputation for producing tough, durable RC cars is backed up by components like this differential set, which incorporates advanced engineering and premium materials to withstand the demands of modern RC driving.
If you're looking for a genuine, authorised ARRMA differential replacement that will restore your RC car's performance to factory specifications, this is the product you need. The Z-AR220028 is compatible with several popular ARRMA models including the Infraction 6S BLX and Typhon 6S V5 BLX, making it an excellent investment in the longevity of your RC vehicle.
Key Features
- Super-tough steel crown, planetary and satellite gears — Manufactured from premium steel materials, these gears are engineered to resist wear and damage even under extreme driving conditions, ensuring long-lasting durability whether you're bashing on loose terrain or racing on demanding tracks.
- Super-strong differential case — The robust case design is built to handle increased loads and the stresses of high-performance driving, providing enhanced durability compared to standard differential assemblies and maintaining structural integrity under extreme conditions.
- Precision manufactured screw threads — Every screw thread is manufactured to exacting tolerances, allowing for fast and easy servicing without the frustration of stripped threads or difficulty disassembling your differential for maintenance.
- Precision manufactured gear teeth — The gears feature precisely cut teeth that ensure consistent performance at high speeds, delivering smooth power delivery and reliable torque transfer to your wheels without noise or hesitation.
- Specially designed differential case insert — This component is engineered specifically to increase strength and durability, providing additional support to the differential case and helping to distribute loads more effectively across the assembly.
- Metal cross shafts — Rather than plastic alternatives, the use of metal cross shafts increases the efficiency of fit and provides long-lasting durability, ensuring your differential maintains its performance characteristics throughout extended use.
- 43T straight crown gear configuration — The 43T straight differential crown gear provides optimal performance characteristics for general driving and racing applications, offering a balanced approach to power delivery and efficiency.
- Complete assembly set — This is a fully comprehensive differential set that includes every component you need for a complete rebuild, eliminating the need to source individual parts separately.
Technical Performance
The ARRMA Z-AR220028 differential set represents a significant engineering achievement in RC drivetrain technology. The combination of super-tough steel construction throughout the crown, planetary, and satellite gears ensures that this differential can withstand the rigorous demands of both competitive racing and recreational bashing. The super-strong differential case is specifically designed to handle the increased loads generated by powerful brushless motors and high-torque driving situations. Every component has been precision manufactured to exacting tolerances, with particular attention paid to the screw threads and gear teeth to ensure smooth, consistent performance even at high speeds. The inclusion of metal cross shafts rather than plastic alternatives demonstrates ARRMA's commitment to durability and long-term reliability. The specially designed differential case insert provides additional structural support, helping the assembly maintain its performance characteristics under stress. The 43T straight configuration of the crown gear is engineered to deliver balanced power distribution, making this differential set suitable for a wide variety of driving styles and track conditions. This is genuine ARRMA engineering, meeting factory specifications and designed specifically for the vehicles listed in the compatibility section.
What's in the Box
- 1 x Gear cover
- 1 x Differential case
- 1 x Differential case insert
- 4 x 10T satellite gears
- 2 x Metal cross shafts
- 2 x Planetary gears
- 2 x Front/Rear differential outdrives
- 2 x Differential pins (2.25 x 9.8mm)
- 2 x Silicone O-rings
- 1 x Differential gasket
- 4 x Satellite gear shims
- 4 x Metal cross shaft inserts
- 1 x 13T input shaft
- 1 x 43T straight differential crown gear
- 4 x Button head screws M3 x 12mm
- 1 x Set screw M4 x 3mm
Compatibility
The ARRMA Z-AR220028 front and rear differential set is specifically designed for and compatible with the following ARRMA RC vehicles:
- ARRMA Infraction 6S BLX (Blue) — Model C-ARA7615V2T1
- ARRMA Infraction 6S BLX (Silver) — Model C-ARA7615V2T2
- ARRMA Typhon 6S V5 BLX — Model C-ARA8606V5
- ARRMA 1/8 TLR Tuned Typhon 6S 4WD BLX Buggy RTR (Red/Blue) — Model C-ARA8406
Before ordering, please verify that your ARRMA vehicle matches one of these compatible models to ensure proper fit and function.
Frequently Asked Questions
- Is this differential set suitable for beginners in RC hobbies? — This differential set is a replacement component rather than a complete vehicle, so it's more suitable for users who already have experience with RC car maintenance and repairs. If you're new to RC cars, we recommend starting with a ready-to-run RTR vehicle like an ARRMA Infraction or Typhon, and then learning about differential servicing as your skills develop. The comprehensive instruction manuals that come with ARRMA vehicles will guide you through the process of replacing your differential when needed.
- What does the 43T straight crown gear mean? — The 43T refers to the number of teeth on the crown gear (43 teeth), whilst the "straight" designation indicates the type of gear profile used in the differential assembly. This configuration is standard for ARRMA's general-purpose differential setups and provides good performance characteristics across a range of driving conditions and speeds.
- How often will I need to replace my differential set? — The frequency of differential replacement depends on how intensively you use your RC car. The premium steel construction and precision manufacturing of this set means it should provide years of reliable service. However, if you drive your ARRMA vehicle regularly in dusty, sandy, or muddy conditions, or if you push your car to its limits in competitive racing, you may need to service or replace your differential more frequently. Regular maintenance and occasional inspection will help you identify when replacement is necessary.
- What's the difference between straight and other differential types? — The straight differential configuration in this set provides linear power delivery, meaning power is distributed to both wheels in proportion to their grip. This differs from locker-style differentials which lock both wheels together, or adjustable differentials with variable bias. The straight 43T setup in this Z-AR220028 set offers a balanced, versatile performance profile suitable for most general driving and racing applications with ARRMA vehicles.
- Do I need any additional tools to install this differential set? — Installation of this differential set will require basic RC maintenance tools including hex drivers, screwdrivers, and possibly a small spanner for the set screw. You should refer to your vehicle's official instruction manual for detailed installation steps and any specific tools recommended by ARRMA. All fasteners are precision manufactured for easy assembly.
- Is this a front, rear, or universal differential set? — This is a front and rear differential set, meaning the components are suitable for use in both the front and rear differentials of your ARRMA vehicle. The universal compatibility across front and rear positions adds flexibility to your maintenance options.
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 Set Front Rear, 43T Straight Z-AR220028 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.
