Overview
The ARRMA Motor Heatsink V2 is an essential upgrade for RC enthusiasts looking to maximise the performance and longevity of their electric RC motors. Designed specifically for ARRMA's 4074 motor platform, this heatsink represents the latest evolution in thermal management technology for RC car UK hobbyists. Whether you're running a ready to run RC vehicle or pushing your brushless RC setup to its limits during competitive racing or weekend bashing sessions, effective heat dissipation is critical to maintaining consistent performance and extending motor lifespan.
This heatsink is engineered to work seamlessly with ARRMA's range of vehicles, making it an ideal choice for RC car enthusiasts across the UK who demand reliability and performance. The V2 designation indicates this is an improved version, incorporating refinements based on real-world feedback from the RC community. If you're serious about maintaining your RC investment and ensuring your motor runs at optimal temperatures during extended driving sessions, the ARRMA Motor Heatsink V2 is a proven solution that delivers measurable benefits.
RC Model Shop stocks this essential component as part of our comprehensive range of ARRMA spares and upgrades. Whether you're upgrading an existing setup or building a new machine, this heatsink provides straightforward installation and immediate thermal performance improvements that will be noticeable during your next driving session.
Key Features
- V2 Design — This is the latest generation heatsink for the 4074 motor platform, incorporating design refinements and optimisations that improve upon the original version, ensuring better heat transfer and more consistent motor temperatures during high-demand driving.
- Direct Motor Compatibility — Engineered specifically for the ARRMA 4074 motor, this heatsink ensures perfect fit and maximum thermal contact without modification, eliminating compatibility concerns and installation hassles.
- Improved Heat Dissipation — The heatsink design maximises surface area in contact with the motor case, drawing heat away from critical components and maintaining optimal operating temperatures during extended driving sessions, extended racing runs, or aggressive bashing.
- Durable Construction — Built to withstand the rigours of RC driving, this component is engineered to maintain its effectiveness across countless charge cycles and driving sessions without degradation.
- Cost-Effective Upgrade — As an affordable spare part, the Motor Heatsink V2 offers excellent value for money, providing significant thermal benefits without the expense of a complete motor replacement.
- Easy Installation — Designed for straightforward fitment onto compatible ARRMA motors, allowing you to upgrade your RC car UK setup quickly and without specialist tools or extensive mechanical knowledge.
Technical Performance
The ARRMA Motor Heatsink V2 is a precision-engineered thermal management component designed to maintain optimal motor operating temperatures during demanding RC driving conditions. Electric RC motors generate significant heat during operation, particularly when running brushless systems at high throttle or during extended racing sessions. Heat buildup can degrade motor performance, reduce efficiency, and ultimately shorten motor lifespan if left unchecked. This heatsink addresses these challenges by providing direct thermal contact with the motor case and increasing the surface area available for heat dissipation into the surrounding air. The V2 iteration represents ARRMA's refined approach to this problem, incorporating feedback from competitive RC drivers and enthusiasts across the globe. The heatsink's design ensures compatibility with the 4074 motor specification used in various ARRMA vehicles, making it a genuine OEM component rather than an aftermarket alternative. For users running brushless RC setups with sustained high-throttle driving, the performance benefits of active heat management become increasingly apparent, particularly during summer months or in warm climates where ambient temperatures already challenge motor cooling. Installation requires no modifications to your RC car UK setup, and the component integrates seamlessly with standard ARRMA motor mounts and housings.
What's in the Box
- ARRMA 4074 Motor Heatsink V2
Frequently Asked Questions
- Why would I need a motor heatsink for my RC car UK setup? — RC motors generate substantial heat during operation, especially when running brushless systems at high throttle or during extended driving sessions. A heatsink improves heat dissipation, maintaining optimal motor temperature, preserving motor efficiency, and extending the lifespan of your motor investment. Temperature management is particularly important during competitive racing or aggressive weekend bashing.
- Is the ARRMA Motor Heatsink V2 compatible with my ARRMA vehicle? — This heatsink is specifically engineered for the ARRMA 4074 motor platform. If your ARRMA vehicle uses this motor specification, the heatsink will install directly without modification. Check your vehicle documentation or contact our team if you're uncertain about motor compatibility.
- What is the difference between the V2 and earlier versions? — The V2 designation indicates this is the latest generation design, incorporating refinements and optimisations based on real-world performance data and user feedback. Whilst specific technical differences may vary, V2 versions typically offer improved heat transfer efficiency and enhanced durability compared to earlier iterations.
- How difficult is installation? — Installation is straightforward and requires no specialist tools or extensive mechanical knowledge. The heatsink is designed for direct fitment onto compatible ARRMA 4074 motors and integrates seamlessly with standard motor mounts and housings used in ARRMA vehicles.
- Will this heatsink improve my RC car's performance? — By maintaining optimal motor temperature, the heatsink helps preserve motor efficiency and consistent power delivery during extended driving sessions. This can result in more predictable handling characteristics and sustained performance throughout your entire battery charge, particularly during warm weather driving or high-intensity competitive sessions.
- Is this suitable for beginners? — Yes. Whilst the heatsink is a performance upgrade, it's equally valuable for beginners maintaining their ready to run RC vehicles. Protecting your motor investment through proper thermal management is sensible practice regardless of skill level, and installation is straightforward enough for users of any experience.
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 Motor Heatsink V2: 4074 Z-ARA390304 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.
