Traxxas Motor Heat Sink Finned Aluminium RS540 Black TRX3822

Overview

The Traxxas Motor heat sink (finned aluminium) TRX3822 is an essential cooling accessory for RC enthusiasts who demand peak performance from their electric motors. Whether you're running a Traxxas Blast high-performance race boat or any other RC model equipped with a standard RS540 diameter motor, this finned aluminium heat sink delivers exceptional thermal management to keep your motor running cool, efficient, and at its best. Motor heat is one of the biggest enemies of RC performance and longevity, and this simple yet highly effective accessory addresses that challenge head-on.

Designed for both brushed and brushless motor applications, the Traxxas TRX3822 heat sink is a recognised solution among serious RC hobbyists across the UK who understand that cooler motors mean happier motors and longer-lasting components. The black aluminium construction features 28 precision-engineered cooling fins that work together to dissipate heat away from the motor can during intense running sessions. Easy to install with a simple snap-on design, this heat sink requires no modifications or special tools, making it an ideal upgrade for anyone looking to improve their RC car, boat, or truck performance without complicated installation procedures.

If you're a weekend basher pushing your RC vehicle to the limit, or a serious competitor chasing lap times on the track, the additional cooling provided by this finned heat sink can make a measurable difference in motor temperature and overall performance consistency. RC enthusiasts in the UK have consistently reported noticing cooler motors after each run, which translates directly to more reliable performance and extended motor lifespan.

Key Features

• Finned Aluminium Construction — The heat sink is manufactured from high-quality black aluminium, a material chosen specifically for its excellent thermal conductivity and lightweight properties, ensuring efficient heat dissipation without adding unnecessary weight to your RC setup.
• 28 Precision Cooling Fins — The carefully engineered fin design provides maximum surface area for heat transfer, allowing thermal energy from your motor to be rapidly dissipated into the surrounding air during high-performance running sessions.
• Snap-On Installation — Rather than requiring complex assembly or modification, this heat sink simply snaps directly onto your motor, making installation straightforward enough for beginners whilst remaining effective for experienced RC hobbyists.
• Universal RS540 Compatibility — Designed to fit any standard RS540 diameter motor, this heat sink works with both brushed and brushless motor types, including popular options like sport-tuned motors, torque-tuned motors, and third-party brands such as Orion and HPI, providing versatility across your RC collection.
• Proven Thermal Performance — Real-world user feedback confirms that the finned design effectively reduces motor temperatures during hard use, with visible heat accumulation on the fins themselves indicating active heat removal from the motor can.
• Compact and Lightweight Design — With a width of just 20mm, this heat sink adds minimal bulk or weight to your motor whilst delivering measurable cooling benefits, making it an efficient upgrade that doesn't compromise your RC vehicle's overall performance characteristics.

Technical Performance

The Traxxas TRX3822 motor heat sink represents a straightforward yet highly effective approach to thermal management in RC applications. The 28-fin aluminium construction works through passive cooling, meaning there are no moving parts or electrical components to maintain — the fins simply absorb heat from the motor can and radiate it into the surrounding air. The black aluminium material provides excellent thermal conductivity whilst maintaining structural rigidity, ensuring the fins won't bend or deform during normal use. The compact 20mm width allows the heat sink to fit comfortably on standard RS540 motors without interfering with other components on your RC vehicle. Whether you're running a brushed or brushless motor in your RC buggy, RC car, or RC boat, the universal design accommodates both motor types equally well. Users across the RC hobby in the UK have reported that the fins visibly warm up under hard use, indicating active heat transfer away from the motor can itself — a clear sign the thermal engineering is working as intended. The snap-on mounting system means installation takes seconds, and the heat sink requires no maintenance or ongoing care once fitted.

What's in the Box

• One (1) finned aluminium motor heat sink

Frequently Asked Questions

• Does the Traxxas TRX3822 heat sink fit my RC motor? — This heat sink is designed to fit any standard RS540 diameter motor, whether brushed or brushless. This includes Traxxas Stinger motors, Orion motors, sport-tuned motors, torque-tuned motors, and third-party options like the HPI Warp 5700. However, the TRX3822 does not fit Stinger motors equipped with a water cooling jacket, so check your motor specifications before ordering if you're unsure.
• How much does this heat sink reduce motor temperature? — Whilst the exact temperature reduction depends on ambient conditions and running intensity, users consistently report noticing cooler motors after each run when using this heat sink. The aluminium fins actively absorb and dissipate heat, with the fins themselves warming up during hard use as they transfer thermal energy away from the motor can.
• Is this suitable for beginners? — Absolutely. The Traxxas TRX3822 is one of the easiest performance upgrades to install, requiring no tools, technical knowledge, or modifications. Simply snap it onto your motor and you're done. Beginners and experienced RC enthusiasts alike will appreciate the straightforward installation and immediate benefits.
• Does this heat sink require any maintenance? — No, the TRX3822 requires no maintenance or ongoing care. It's a completely passive cooling component with no moving parts or electrical connections, making it one of the most reliable upgrades you can add to your RC setup.
• What is the difference between this and other motor cooling solutions? — The TRX3822 takes a passive cooling approach using aluminium fins rather than active cooling methods like electric fans. This means there are no batteries, ESC connections, or complicated setups required. The simplicity, reliability, and universal compatibility across RS540 motors make it an excellent choice for most RC users in the UK hobby market.
• Can I use this with my RC race boat like the Traxxas Blast? — Yes, the TRX3822 is specifically designed to work with the Traxxas Blast high-performance race boat series. It helps reduce Stinger motor temperatures during intense water-based running, contributing to more consistent performance and longer motor life.

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 Traxxas Motor heat sink (finned aluminium) TRX3822 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.