Traxxas Velineon Motor Heat Sink for 540XL and 3500 Motors TRX3458

Overview

The Traxxas Velineon Heat Sink (TRX3458) is an essential cooling accessory designed to keep your brushless motor running at optimal temperatures during intense RC driving sessions. Whether you're bashing a Slash 4X4 VXL, Rustler 4X4 VXL, Stampede 4X4 VXL, or Hoss 4X4 VXL, this precision-engineered heat sink works in conjunction with the optional cooling fan to significantly reduce motor temperatures, allowing for longer run times and more enjoyable driving experiences. For UK RC enthusiasts pushing their brushless RC trucks to the limit, motor temperature management is crucial for maintaining performance and extending component lifespan.

This heat sink is specifically engineered to fit Traxxas Velineon 3500 and 540XL brushless motors found in 1/10 scale VXL-3s equipped models. The robust metal construction provides excellent thermal conductivity, efficiently dissipating heat away from the motor core where it matters most. Installation is straightforward and requires no chassis modifications, making it an accessible upgrade for both experienced RC car enthusiasts and those new to RC customisation. Combined with the optional 3456 cooling fan kit, real-world testing has demonstrated temperature reductions of up to 20 degrees Celsius, translating to extended run times and improved reliability during competitive racing or recreational bashing.

RC Model Shop stocks genuine Traxxas cooling solutions for UK-based RC enthusiasts who demand quality components from a trusted, authorised retailer. Whether you're competing in organised RC racing events or simply want to maximise performance from your ready-to-run RC truck, the Velineon Heat Sink represents a smart investment in your model's longevity and consistent performance.

Key Features

• Precision Metal Construction — The heat sink is manufactured from quality metal with substantial thickness that provides excellent thermal conductivity and durability, ensuring consistent cooling performance across multiple racing sessions and bashing sessions without deformation or degradation.
• Compatible with Velineon 3500 and 540XL Motors — Specifically engineered to fit Traxxas Velineon brushless motors, this heat sink ensures perfect fitment and maximum surface contact for optimal heat dissipation without requiring any modifications to your motor or motor plate.
• VXL-3s Equipped Models Support — Works perfectly with Slash 4X4 VXL, Rustler 4X4 VXL, Stampede 4X4 VXL, and Hoss 4X4 VXL models, making it an ideal upgrade for owners of these popular 1/10 scale RC trucks.
• No Modifications Required — Installation takes approximately 15 minutes on Hoss 4X4 models, and whilst other models may require minor fan shroud trimming (if using the optional cooling fan), the heat sink itself requires no chassis modifications whatsoever.
• Pairs Seamlessly with Optional Cooling Fan — The 3458 heat sink is designed to work in tandem with the Traxxas 3456 cooling fan kit, and together they deliver proven temperature reductions of approximately 20 degrees Celsius under demanding driving conditions.
• Quick and Easy Installation — Requiring only 2mm and 2.5mm hex drivers, the heat sink installs directly onto your Velineon motor with a simple slide-on design that positions flush with the front of the motor for a professional appearance.
• Improves Performance Consistency — By maintaining lower motor temperatures throughout your driving session, the heat sink helps preserve motor performance, prevents thermal throttling, and extends overall component lifespan for better value.

Technical Performance

The Traxxas Velineon Heat Sink TRX3458 represents precision thermal engineering for 1/10 scale brushless RC trucks. Engineered specifically for Traxxas Velineon 3500 and 540XL brushless motors, this heat sink addresses one of the most critical factors in RC performance: motor temperature management. Constructed from quality metal with substantial gauge thickness, the heat sink provides superior thermal conductivity compared to plastic alternatives, actively pulling heat away from the motor windings where sustained high temperatures can degrade performance and reduce component lifespan. The design features multiple cooling fins that increase surface area for heat dissipation, engineered to fit within the motor bay of 1/10 scale VXL-3s equipped models including the Slash 4X4 VXL, Rustler 4X4 VXL, Stampede 4X4 VXL, and Hoss 4X4 VXL. Installation is engineered for accessibility, requiring no modifications to the chassis or motor plate — the heat sink simply slides over the motor from the front and seats flush. When paired with the optional Traxxas 3456 cooling fan kit (which plugs into the receiver's Channel 5 port), the cooling system delivers documented temperature reductions of approximately 20 degrees Celsius, directly translating to extended run times, more consistent power delivery, and improved reliability during competitive racing or intense recreational driving. The metal construction resists vibration-induced loosening and maintains structural integrity across multiple seasons of use, making it an essential upgrade for serious RC enthusiasts in the UK who demand maximum performance from their brushless RC trucks.

What's in the Box

• Traxxas Velineon Heat Sink for 3500 and 540XL motors

What You Need to Complete

• Compatible Traxxas VXL-3s equipped 1/10 scale model (Slash 4X4 VXL, Rustler 4X4 VXL, Stampede 4X4 VXL, or Hoss 4X4 VXL)
• 2mm hex driver (for wire hold-down removal)
• 2.5mm hex driver (for motor screw removal)
• Optional: Traxxas 3456 Cooling Fan Kit for enhanced thermal management
• Optional: Side cutters or flush cutters (only required if installing optional cooling fan on models other than Hoss 4X4 VXL)

Frequently Asked Questions

• Which RC models is the Traxxas Velineon Heat Sink compatible with? — The TRX3458 heat sink is designed for 1/10 scale Traxxas models equipped with VXL-3s electronics, including the Slash 4X4 VXL, Rustler 4X4 VXL, Stampede 4X4 VXL, and Hoss 4X4 VXL. It fits Traxxas Velineon 3500 and 540XL brushless motors specifically.
• How much can the heat sink reduce motor temperatures? — When used alone, the metal heat sink provides significant thermal management. When combined with the optional Traxxas 3456 cooling fan kit, real-world testing demonstrates temperature reductions of approximately 20 degrees Celsius, which translates directly to longer run times and more consistent performance.
• How long does installation take? — Installation typically takes 15 minutes on a Hoss 4X4 VXL. For other VXL-3s equipped models like the Slash 4X4 VXL or Rustler 4X4 VXL, installation may take slightly longer (approximately 20 minutes) if you're also installing the optional cooling fan, which requires minor fan shroud trimming.
• Do I need to modify my chassis to install this heat sink? — No. The Traxxas Velineon Heat Sink requires no chassis modifications whatsoever. It simply slides over your Velineon motor and seats flush with the front. If you're also installing the optional 3456 cooling fan, you may need to trim the fan shroud slightly depending on your model, but the heat sink itself needs no modifications.
• Can I use this heat sink with other RC trucks? — The heat sink is specifically engineered for Traxxas 1/10 scale models with Velineon 3500 and 540XL motors. Whilst the optional cooling fan can be adapted to Rustler 4X4 VXL, Slash 4X4 VXL, and Stampede 4X4 VXL with simple modifications, the heat sink itself is designed for the models listed above.
• What tools do I need to install the heat sink? — You'll only need a 2mm hex driver and a 2.5mm hex driver. If you're also installing the optional cooling fan and using a model other than Hoss 4X4 VXL, you'll also want side cutters or flush cutters to trim the fan shroud.
• Is the heat sink suitable for beginners? — Yes. The Traxxas Velineon Heat Sink is suitable for RC enthusiasts of all experience levels. Installation is straightforward, requires no chassis modifications, and takes only 15 minutes on most models with just two basic hex drivers. It's an excellent entry-level upgrade for anyone wanting to improve their RC truck's performance.
• Should I buy this heat sink if I'm not racing competitively? — Absolutely. Even casual RC bashers benefit from lower motor temperatures. Reduced temperatures mean longer run times per charge, more consistent power delivery, and extended motor lifespan, so your investment in your RC truck lasts longer and performs better.

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 Heat Sink, Velineon 540XL Motor TRX3458 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.