ARRMA Pinion Gear 48P 18T Z-AR310124

• Brand: ARRMA
• Model Number: Z-AR310124
• EAN: 5052127001328
• Product Type: Pinion Gear
• Pitch Specification: 48P (48-pitch)
• Tooth Count: 18T (18 teeth)
• RRP: £6.99

Overview

The ARRMA Pinion Gear 48P 18T Z-AR310124 is an essential replacement component for RC car enthusiasts in the UK who demand reliable performance and precision engineering. Whether you're running an ARRMA RC car for competitive racing, weekend bashing, or regular hobby use, having quality spare pinion gears on hand is crucial for maintaining optimal drivetrain performance and ensuring your RC vehicle stays in peak condition. This genuine ARRMA part is designed to exacting standards to deliver the consistent gear mesh and durability that serious RC hobbyists depend on.

Pinion gears are fundamental to your RC car's power transmission system, directly affecting acceleration, top speed, and overall drivetrain efficiency. The 48-pitch specification combined with the 18-tooth configuration makes this an ideal replacement for ARRMA models that specify this gear ratio. By choosing genuine ARRMA spare parts like the Z-AR310124, you're investing in reliability and longevity, avoiding the frustration of cheap imitation gears that can strip, slip, or fail mid-race or mid-session.

For RC car enthusiasts across the UK seeking premium quality replacement gears, the ARRMA Pinion Gear 48P 18T represents the gold standard in OEM compatibility and performance consistency. This is the gear trusted by competitive racers, weekend bashers, and dedicated hobbyists alike who understand that quality drivetrain components directly translate to better handling, faster lap times, and longer vehicle lifespan.

Key Features

• Genuine ARRMA OEM Part — This is an authentic ARRMA spare component manufactured to the exact specifications required by ARRMA RC vehicles, ensuring perfect compatibility and reliable performance without the risk of fitment issues or premature wear that can occur with aftermarket alternatives.
• 48 Pitch Specification — The 48-pitch standard ensures precise engagement with compatible motor pinions and gearbox components, providing smooth power delivery and consistent acceleration characteristics that deliver the performance your ARRMA RC car was engineered to achieve.
• 18-Tooth Configuration — The 18-tooth design offers a balanced approach to gear ratios, providing adequate acceleration whilst maintaining top-speed capability depending on your specific ARRMA model and intended use, whether for racing, off-road bashing, or track competition.
• Precision Engineering — ARRMA pinion gears are manufactured with tight tolerances and high-quality materials to ensure smooth mesh with your spur gear, reducing noise, vibration, and wear whilst extending the lifespan of your entire drivetrain system.
• Direct Replacement Component — Designed as a drop-in replacement for worn or damaged pinion gears, the Z-AR310124 requires no modification or special installation procedures, making maintenance and repairs quick and straightforward for RC enthusiasts of all skill levels.
• Cost-Effective Spares Solution — Rather than replacing entire gearbox assemblies or motors when wear occurs, upgrading just the pinion gear is an economical way to restore your RC car's performance and extend the life of your vehicle.

Technical Performance

The ARRMA Pinion Gear 48P 18T Z-AR310124 is engineered with precision-cut teeth and durable materials to ensure consistent gear mesh engagement with your RC car's spur gear assembly. As a critical component in your vehicle's power transmission chain, the pinion gear directly influences how efficiently power from your brushless motor is translated into wheel rotation. The 48-pitch specification is a standard measurement in the RC hobby, ensuring compatibility with a wide range of ARRMA models and drivetrain configurations. The 18-tooth count represents a specific gear ratio that ARRMA engineers have selected for particular vehicle applications, balancing torque multiplication for acceleration with manageable top-speed characteristics. Quality pinion gears minimise backlash and gear slip, which are common problems with inferior replacement parts that can cause loss of power delivery, increased drivetrain noise, and accelerated wear on both the pinion and spur gears. By maintaining your RC car with genuine ARRMA replacement parts, you ensure your vehicle performs as the manufacturer intended, with smooth power delivery, predictable handling characteristics, and long-term reliability regardless of whether you're running your RC car on road, off-road, dirt tracks, or carpet surfaces.

What's in the Box

• ARRMA Pinion Gear 48P 18T (Z-AR310124)

Frequently Asked Questions

• What is a pinion gear and why do I need it for my RC car? — The pinion gear is a small toothed wheel that sits on your motor shaft and meshes with the larger spur gear attached to your RC car's main drivetrain. As your motor spins the pinion gear, it transfers power to the spur gear, which multiplies torque and drives the wheels. Over time, pinion gears wear down or can be damaged during crashes or intense driving sessions, making replacement essential for maintaining performance.
• How do I know when my pinion gear needs replacing? — Signs of a worn or damaged pinion gear include difficulty accelerating from a stop, a grinding or slipping sensation during acceleration, increased noise from the drivetrain, or visible gaps between the pinion and spur gear teeth. If you've had a significant crash or extended period of hard driving, it's worth inspecting and potentially replacing the pinion gear as preventative maintenance.
• Is the ARRMA Pinion Gear 48P 18T compatible with all ARRMA RC cars? — This gear is designed for ARRMA models that specify the Z-AR310124 part number. We recommend checking your vehicle's documentation or contacting our RC Model Shop team to confirm compatibility with your specific ARRMA model before purchasing, as different ARRMA vehicles may use different pinion gear specifications.
• What is the difference between 48-pitch and other pitch specifications? — Pitch refers to the number of teeth per inch of gear diameter. A 48-pitch gear is a standard size in RC applications, and using the correct pitch is essential for proper gear mesh. Using incorrect pitch gears can result in poor performance, excessive wear, or drivetrain failure.
• How often should I replace my pinion gear? — Pinion gear lifespan depends heavily on driving style, surface conditions, and how well you maintain your RC car. Competitive racers might replace gears every few months, whilst casual weekend bashers might go a year or more between replacements. Regular inspection is the best approach to determining when replacement is needed.
• Can I install this pinion gear myself? — Yes, pinion gear replacement is one of the most straightforward maintenance tasks on an RC car. Most ARRMA vehicles allow you to remove the motor, slide off the old gear, and install the new one without requiring specialist tools or extensive mechanical knowledge. Your ARRMA manual will provide specific installation instructions.

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 Pinion Gear 48P 18T Z-AR310124 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.
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• 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.