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ARRMA Aluminium Center Diff Holder Red 1/7 RC Spare Part Z-ARA320666

Model No: Z-ARA320666


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£19.99

£1.02

£18.97

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1 Year Warranty
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This Aluminum Center Diff Holder contains the perfect replacement parts for your kit items

Features

  • Precision manufactured from lightweight aluminum for reduced vehicle weight and consistent hardware fit
  • Anodized red for cool ARRMA looks and increased durability
  • Machined holes for accurate mounting of vehicle transmission components

Includes

1 x Aluminum Center Diff Holder

  • Brand: ARRMA
  • Model Number: Z-ARA320666
  • Product Type: Aluminium Center Diff Holder
  • Colour: Red Anodised
  • Material: Lightweight Aluminium Alloy
  • Finish: Anodised for Durability and Corrosion Resistance
  • Scale: 1/7
  • Compatible Vehicle: ARRMA 1/7 Limitless V2 Speed Bash Roller (C-ARA7116V2)
  • Features: Precision Machined Holes for Accurate Mounting, Heat Dissipation Properties, Lightweight Construction, Consistent Hardware Fit
  • Compatible Motor Plates: ARA320665 (motors up to 40mm diameter, 110mm length, 25mm mounting pitch), ARA320721 (motors up to 50mm diameter, 110mm length, 25mm mounting pitch), ARA320722 (motors up to 56mm diameter, 110mm length, 30mm mounting pitch)
  • Included Items: 1 x Sliding Motor Mount/Center Diff Holder
  • EAN Code: 5052127040846
  • Spare Part Category: Chassis Spares

Overview

The ARRMA Aluminium Center Diff Holder in striking red is an essential upgrade for owners of the ARRMA 1/7 Limitless V2 Speed Bash Roller and other compatible RC vehicles. This precision-engineered component replaces the original centre differential housing, providing a lightweight yet robust solution for serious RC enthusiasts who demand performance and reliability from their speed bash machines. Whether you're a competitive racer pushing your RC car UK limits or a weekend basher looking to enhance your vehicle's durability, this aluminium centre diff holder delivers the engineering excellence ARRMA is renowned for.

Manufactured to the highest standards, this red anodised component is not just a functional upgrade—it's a visual enhancement that gives your RC model that authentic ARRMA factory appearance. The aluminium construction offers significant advantages over standard plastic alternatives, including superior heat dissipation during extreme RC action and a reduction in overall vehicle weight, both of which contribute to improved handling characteristics and sustained performance during extended driving sessions. For anyone serious about maintaining their brushless RC buggy or speed machine in peak condition, this is a genuine OEM spare part that ensures perfect compatibility and long-term reliability.

RC Model Shop stocks this exact component as part of our comprehensive range of ARRMA spares and upgrades, meaning you can source everything you need to keep your ready to run RC vehicle performing at its best. We understand that serious RC hobbyists need access to quality replacement parts quickly and reliably, which is why we maintain stock of essential components like this centre diff holder.

Key Features

  • Precision Aluminium Construction — Manufactured from lightweight aluminium alloy with exact tolerances, this centre diff holder provides consistent hardware fit and reduces overall vehicle weight compared to plastic alternatives, directly improving acceleration and handling performance on the track or in the bash arena.
  • Anodised Red Finish — The durable anodised coating provides both aesthetic appeal with authentic ARRMA styling and enhanced corrosion resistance, ensuring the component maintains its appearance and structural integrity through countless hours of use in various weather conditions.
  • Excellent Heat Dissipation — Unlike plastic components, the aluminium material actively dissipates heat generated during extreme RC action, protecting internal drivetrain components and extending the lifespan of your transmission during high-performance driving sessions.
  • Machined Mounting Holes — Precision-machined mounting holes ensure accurate positioning of your vehicle's transmission components, eliminating alignment issues that can cause uneven wear, noise, and performance degradation.
  • OEM Quality Assurance — As a genuine ARRMA spare part, this centre diff holder meets factory specifications and quality standards, ensuring complete compatibility with your Limitless V2 Speed Bash Roller or other supported models without modification or fitment issues.
  • Easy Installation — Designed specifically for the ARRMA Limitless V2 platform, installation is straightforward for anyone with basic RC maintenance knowledge, making this an accessible upgrade for both experienced builders and those new to RC car UK hobbies.

Technical Performance

The ARRMA Aluminium Center Diff Holder represents a significant step up from the plastic centre differential housing found on stock vehicles. The material choice is critical to RC vehicle performance: aluminium offers superior stiffness compared to plastic whilst remaining significantly lighter than steel or brass alternatives. This balance of weight reduction and increased rigidity directly translates to improved cornering performance, better weight distribution, and more predictable handling characteristics during high-speed manoeuvres. The anodised red finish provides not just visual appeal but also protection against oxidation and corrosion, essential for vehicles regularly exposed to moisture, salt spray from beach driving, or winter conditions in the UK. The precision-machined mounting holes ensure that transmission components align perfectly, eliminating play and backlash that would otherwise compromise drivetrain efficiency. When combined with compatible motor plates—available for motors up to 40mm diameter with 25mm mounting pitch (ARA320665), up to 50mm diameter with 25mm pitch (ARA320721), or up to 56mm diameter with 30mm pitch (ARA320722)—this centre diff holder creates a platform for flexible motor upgrades and customisation. The engineering philosophy behind this component emphasises reliability and longevity; by distributing heat more effectively than plastic alternatives, the aluminium construction reduces thermal stress on internal gears and bearings, directly extending component lifespan during sustained high-performance driving.

What's in the Box

  • 1 x ARRMA Aluminium Center Diff Holder, Red Anodised

What You Need to Complete

  • ARA320665 Motor Plate (for motors up to 40mm diameter and 110mm in length with a 25mm mounting screw pitch)
  • ARA320721 Motor Plate (for motors up to 50mm diameter and 110mm in length with a 25mm mounting screw pitch)
  • ARA320722 Motor Plate (for motors up to 56mm diameter and 110mm in length with a 30mm mounting screw pitch)
  • Compatible brushless motor within specified dimensions
  • Standard RC model maintenance tools (hex keys, screwdrivers)

Frequently Asked Questions

  • Is the ARRMA Aluminium Center Diff Holder compatible with my Limitless V2? — Yes, this component is specifically designed for the ARRMA 1/7 Limitless V2 Speed Bash Roller and is listed under model code C-ARA7116V2. Always verify your vehicle's exact model before purchase to ensure compatibility with your specific RC model.
  • What are the advantages of aluminium over plastic for a centre diff holder? — Aluminium offers several key benefits: superior heat dissipation during extreme RC action, which protects internal components and extends drivetrain lifespan; lightweight construction that improves vehicle acceleration and handling; greater rigidity that eliminates flex and improves precision of component alignment; and enhanced durability for long-term use without deformation under stress.
  • Will this component work with any brushless motor? — This centre diff holder works with motors up to specific size parameters, determined by which motor plate you select. The three available motor plate options support motors up to 40mm diameter with 25mm pitch, up to 50mm diameter with 25mm pitch, or up to 56mm diameter with 30mm pitch. Most standard 1/7 scale RC brushless motors fall within these parameters, but always verify your motor specifications before purchase.
  • How difficult is it to install the aluminium centre diff holder? — Installation is straightforward for anyone with basic RC maintenance knowledge. The component bolts directly to your Limitless V2 frame using standard hex bolts and the precision-machined holes ensure correct alignment. If you've performed basic RC servicing before, you'll find installation accessible; if not, we recommend consulting the ARRMA manual or watching installation guides specific to the Limitless V2 platform.
  • Is this suitable for beginners? — Whilst this is a genuine OEM spare part suitable for any Limitless V2 owner, it's primarily a replacement component rather than a beginner-focused product. If your centre diff holder is damaged or you're looking to upgrade from plastic to aluminium, this is an excellent choice; however, beginners should ensure they have the necessary mechanical knowledge or access to installation guides before purchasing.
  • What is the difference between this aluminium holder and the stock plastic version? — The stock Limitless V2 typically features a plastic centre diff holder. This ARRMA aluminium upgrade provides superior heat dissipation, reduced weight, greater structural rigidity, and enhanced durability during extreme bashng and competition driving. The anodised red finish also provides better corrosion resistance and a more professional appearance.
  • Does this component work with my existing drivetrain? — The centre diff holder is designed to house your existing differential gears and works with standard ARRMA transmission components. However, you will need to pair it with one of the three available motor plates depending on your specific brushless motor size to complete the assembly and ensure proper motor mounting and alignment.

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. 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 Aluminum Center Diff Holder, Red Z-ARA320666 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. 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.