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Losi Hex Adapter Insert 12mm for Mini LMT RC Monster Truck Z-LOS43044

Model No: Z-LOS43044


COMING SOON 17/06/2026

Coming Soon - Stock Arriving: 17/06/2026

Stock Arriving: 17/06/2026

£10.99

£1.10

£9.89

Inc VAT

1 Year Warranty
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  • Manufacturer: Losi
  • Part Number: Z-LOS43044
  • EAN: 0605482718650
  • Product Type: Hex Adapter Insert
  • Hex Size: 12mm
  • Spare Part Category: Drivetrain Spares
  • Compatible Models: Losi 1/18 Mini LMT 4X4 Brushed Monster Truck RTR Son-Uva Digger (C-LOS01026T2), Losi 1/18 Mini LMT Zombie 2S 4X4 RTR Brushed Monster Truck (C-LOS01026T4), Losi 1/18 Mini LMT 4X4 Brushed Monster Truck RTR Grave Digger (C-LOS01026T1), Losi 1/18 Mini LMT Megalodon 2S 4X4 RTR Brushed Monster Truck (C-LOS01026T3)

Overview

The Losi Hex Adapter Insert, 12mm is an essential spare part for owners of Losi 1/18 Mini LMT 4X4 Brushed Monster Trucks. This precision-engineered component is designed to provide a reliable connection between your wheel hubs and axles, ensuring smooth power delivery and consistent handling across all driving conditions. Whether you are a dedicated RC enthusiast maintaining your fleet or a weekend basher looking to keep your RC monster truck in peak condition, this hex adapter insert is a genuine OEM spare part that guarantees perfect fitment and long-term durability.

The 12mm hex adapter insert is compatible with multiple variants of the popular Losi Mini LMT range, including the Son-Uva Digger, Zombie 2S, Grave Digger and Megalodon 2S models. As a replacement drivetrain component, it addresses wear and tear that naturally occurs during aggressive off-road driving, jumps and high-speed runs. If you notice any looseness in your wheels, grinding sounds from the hubs, or unresponsive steering, a worn hex adapter insert could be the culprit. This is precisely why keeping genuine Losi spare parts on hand is essential for any RC car enthusiast in the UK.

RC Model Shop stocks this authentic Losi component as part of our comprehensive range of drivetrain spares and tune-up parts. By choosing genuine Losi spares, you are investing in the longevity and performance of your brushed RC monster truck, ensuring it remains ready for action whenever you are.

Key Features

  • Genuine OEM Component — This is an authentic Losi spare part manufactured to the exact specifications required by the Mini LMT range, guaranteeing perfect compatibility and reliability with no fitment issues or performance compromises.
  • 12mm Hex Size — The 12mm hex interface provides a secure, precisely-engineered connection to your wheel hub, delivering consistent torque transfer and eliminating any play that could affect steering response or wheel alignment during driving.
  • Drivetrain Spares Category — Classified as a drivetrain component, this hex adapter insert is a critical part of your RC monster truck's power transmission system, making it one of the most frequently replaced wear items for serious RC drivers.
  • Multi-Model Compatibility — This single part is compatible with four distinct Losi Mini LMT variants, making it a versatile spare if you own multiple models or plan to upgrade your current truck in the future.
  • Wear Resistance — Over time and with heavy use, hex adapter inserts can become stripped or damaged from the constant mechanical stress of acceleration, cornering and impact. This replacement insert restores the precise fit your truck originally had from the factory.

Technical Performance

The Losi Hex Adapter Insert represents precision engineering at the component level. Manufactured from hardened material to withstand the rigorous demands of 4WD off-road racing and bashing, this 12mm hex insert is designed to mate perfectly with both the wheel hub and the axle shaft. The tight tolerances ensure zero backlash in the drivetrain, which is crucial for accurate steering and predictable handling characteristics. When a hex adapter insert becomes worn or stripped, it introduces play into the system that can cause your wheels to slip on the axle during hard acceleration or sharp turning, leading to poor directional control and potential damage to other drivetrain components. By replacing it with this genuine Losi spare part, you restore the original factory performance specifications of your Mini LMT 4X4 brushed monster truck. The component is engineered to handle the full power output of the brushed motor system fitted to the Mini LMT range, whether you are running the standard Grave Digger version, the Son-Uva Digger variant, the Zombie 2S with its enhanced battery compatibility, or the powerful Megalodon 2S model. This adapter insert is part of the robust drivetrain architecture that makes Losi's Mini LMT series one of the most durable 1/18 scale RC monster trucks available in the UK market today.

What's in the Box

  • Losi Hex Adapter Insert, 12mm

Frequently Asked Questions

  • What vehicles is the Losi Hex Adapter Insert 12mm compatible with? — This hex adapter insert is compatible with four Losi Mini LMT 4X4 models: the Losi 1/18 Mini LMT 4X4 Brushed Monster Truck RTR Son-Uva Digger, the Losi 1/18 Mini LMT Zombie 2S 4X4 RTR Brushed Monster Truck, the Losi 1/18 Mini LMT 4X4 Brushed Monster Truck RTR Grave Digger, and the Losi 1/18 Mini LMT Megalodon 2S 4X4 RTR Brushed Monster Truck. If you own any of these models, this is the correct replacement part for you.
  • When should I replace my hex adapter insert? — You should consider replacing your hex adapter insert if you notice any of the following: your wheels feel loose on the axles even when the lug nuts are tight, your steering response feels unpredictable or spongy, you hear grinding or clicking sounds coming from the wheel hubs during acceleration, your wheels slip on the axles during hard cornering, or visible damage is apparent to the hex surface. Regular inspection and timely replacement prevents secondary damage to more expensive drivetrain components.
  • Is this a genuine Losi part? — Yes, the Losi Hex Adapter Insert, 12mm (part number Z-LOS43044) is a genuine OEM spare part manufactured by Losi. It is engineered to the exact specifications of the original component fitted to your Mini LMT model, ensuring perfect compatibility and reliability that aftermarket alternatives cannot guarantee.
  • What is the difference between 12mm hex adapters and other sizes? — Losi Mini LMT models use 12mm hex adapters as standard. Different RC vehicles use different hex sizes (6mm, 8mm, 12mm, 17mm, etc.) depending on the scale and power requirements of the model. Using the correct 12mm size is essential for proper fitment and performance on your Mini LMT; using an incorrect size could damage your wheels and axles.
  • How difficult is it to install a new hex adapter insert? — Installation is relatively straightforward for anyone with basic RC maintenance experience. You will need to remove the wheel, take off the axle, and carefully extract the old hex insert before pressing in the new one. Many RC enthusiasts prefer to have this done at a hobby shop to ensure it is installed correctly, but it is an achievable DIY task with the right tools.
  • Will replacing this part improve my RC truck's performance? — If your hex adapter insert is worn or damaged, replacing it will restore your truck to its original factory performance specifications. You will notice improved steering response, better traction control, and more predictable handling. However, if your insert is not damaged, a replacement will not enhance performance beyond the baseline.

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 LOS Hex Adapter Insert, 12mm, Wheel: LMT Z-LOS43044 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction.

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.