ARRMA GROM Motor Heatsink Type D Aluminium Cooling Z-ARA-2662

• Brand: ARRMA
• Model Number: Z-ARA-2662 / ARA-2662
• Product Type: Motor Heatsink
• Heatsink Variant: Type D
• Compatible Vehicle: ARRMA 1/16 Mini Kraton 3S
• Compatible Models: C-ARA2508ST1 (Blue), C-ARA2508T1 (Red), C-ARA2508ST2 (Teal)
• Motor Type: GROM Motor
• Material: Aluminium
• EAN Code: 5052127052917
• Application: Thermal management and motor cooling

Overview

The ARRMA GROM Motor Heatsink Type D is an essential upgrade for anyone running an ARRMA 1/16 Mini Kraton 3S RC car. This precision-engineered aluminium heatsink is designed to keep your brushless motor running at optimal temperatures during extended bashing sessions, whether you are a casual weekend basher or a dedicated RC enthusiast. Motor cooling is crucial for maintaining performance, extending component lifespan, and ensuring reliability during competitive racing or high-speed driving. The Type D variant offers a specific design tailored to fit perfectly with GROM motors, making it an ideal choice for Mini Kraton owners looking to enhance their ready to run RC vehicle's thermal management.

This heatsink represents the kind of thoughtful engineering that ARRMA is recognised for across the RC car community in the UK and beyond. When you push your brushless motor hard, heat buildup becomes inevitable—especially during prolonged use in warm conditions or during intense racing. Without proper cooling, motor windings can degrade, performance can diminish, and component failure becomes more likely. By installing the GROM Motor Heatsink Type D, you are taking a proactive step to maintain peak performance and reliability from your RC model. The heatsink works by increasing the surface area available for heat dissipation, allowing ambient air to carry away thermal energy more efficiently as your car moves at speed.

Whether you are upgrading an existing ARRMA Mini Kraton 3S or setting up a new one for maximum durability, this motor heatsink is a cost-effective investment that delivers real benefits. It is compatible with multiple Mini Kraton 3S variants in different colours, including Blue, Red, and Teal models, ensuring broad compatibility across the ARRMA 1/16 range. RC car UK enthusiasts and bashers everywhere rely on quality accessories like this to keep their vehicles running strong lap after lap.

Key Features

• Aluminium Construction — Manufactured from high-quality aluminium, this heatsink offers excellent thermal conductivity whilst remaining lightweight, ensuring it does not add unnecessary weight to your motor whilst effectively dissipating heat away from the windings and bearings during high-performance driving.
• GROM Motor Compatibility — Purpose-designed for ARRMA GROM motors, this Type D heatsink is engineered to fit precisely and function optimally with these specific motor dimensions and mounting systems, eliminating guesswork during installation.
• Mini Kraton 3S Optimisation — Specifically tailored for the ARRMA 1/16 Mini Kraton 3S platform, this heatsink integrates seamlessly with the vehicle's existing cooling system and motor bay layout, providing immediate performance benefits without modification or fitment issues.
• Extended Motor Life — By reducing operating temperatures during sustained use, this heatsink helps protect critical motor components from thermal degradation, extending the serviceable life of your brushless motor and reducing the need for premature replacements.
• Improved Performance Consistency — Cooler motors maintain more consistent power delivery and efficiency throughout your driving sessions, helping your RC car maintain peak speed and acceleration even during extended use in warm conditions.
• Easy Installation — This accessory mounts directly onto your GROM motor with no special tools or modifications required, making it an ideal upgrade even for relatively new RC enthusiasts looking to enhance their Mini Kraton 3S without complex servicing.

Technical Performance

The ARRMA GROM Motor Heatsink Type D represents practical engineering focused on thermal management for 1/16 scale brushless RC cars. Constructed entirely from aluminium, this heatsink delivers superior heat transfer properties compared to plastic alternatives, making it the preferred choice for serious hobbyists who demand reliability from their ready to run RC vehicles. The heatsink's design increases the motor's external surface area dramatically, allowing the moving air created by high-speed driving to strip away thermal energy far more efficiently than the motor case alone could achieve. This is particularly important when running a 3S LiPo system in a Mini Kraton, as brushless motors under load generate considerable heat, and active cooling becomes essential for maintaining performance consistency. Whether you are bashing through grass, racing on dirt tracks, or pushing your RC car to its speed limits, thermal management directly impacts how your motor performs. Motors running cooler experience less internal resistance, maintain more consistent timing and efficiency, and suffer less long-term wear on critical components like the windings, bearings, and magnets. The Type D variant's specific geometry is optimised for GROM motors used in ARRMA's 1/16 range, meaning fitment is precise and cooling effectiveness is maximised.

What's in the Box

• ARRMA GROM Motor Heatsink Type D

Frequently Asked Questions

• What ARRMA models is the GROM Motor Heatsink Type D compatible with? — This heatsink is designed specifically for the ARRMA 1/16 Mini Kraton 3S platform, with confirmed compatibility across multiple colour variants including the Blue (C-ARA2508ST1), Red (C-ARA2508T1), and Teal (C-ARA2508ST2) models. If you own a Mini Kraton 3S, this heatsink will fit without modification.
• Will this heatsink improve my Mini Kraton's performance? — Whilst the heatsink itself does not increase raw speed, it does help maintain peak performance by keeping your GROM motor cooler during extended sessions. Cooler motors deliver more consistent power, better acceleration, and improved efficiency, which translates to more reliable performance during competitive driving or demanding bashing situations where motor temperature would otherwise climb significantly.
• Is this suitable for beginners? — Yes, absolutely. The GROM Motor Heatsink Type D is straightforward to install and represents a simple, non-invasive upgrade that does not require any special knowledge or modifications to your Mini Kraton 3S. Even relatively new RC enthusiasts can install this accessory with confidence, making it an ideal first upgrade for anyone looking to extend their motor's lifespan.
• Why should I choose the Type D over other motor heatsink variants? — ARRMA offers multiple heatsink designs (including Type C and Type E variants) for different motor requirements and vehicle platforms. The Type D is specifically optimised for GROM motors in the Mini Kraton 3S range, making it the purpose-built solution for these vehicles. If you own a Mini Kraton 3S with a GROM motor, the Type D represents the most precisely engineered choice for your setup.
• Will this heatsink fit my 3S LiPo powered Mini Kraton? — Yes, this heatsink is designed to work with 3S LiPo powered Mini Kraton models. The heatsink's thermal management benefits are particularly valuable when running 3S LiPo batteries, as they deliver consistent power that can push motors to higher temperatures during sustained use.

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 GROM Motor Heatsink Type D Z-ARA-2662 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.