This high-quality O-Ring set is manufactured from strong and durable material for smooth and trouble-free operation on your ARRMA vehicle.
- Brand: ARRMA
- Model Number: Z-AR716025
- Part Type: O-Ring
- Category: Fittings / Hardware
- O-Ring Size: 12x2mm (outer diameter x cross-sectional thickness)
- Quantity per Pack: 4
- Material: High-quality rubber compound
- Compatible Vehicles: ARRMA 4x4 BLX 3S KRATON, ARRMA BLX 4S
- EAN Code: 5052127030380
- Manufacturer RRP: £4.99
Overview
The ARRMA O-Ring 12x2mm (4) Z-AR716025 is an essential replacement part for RC enthusiasts maintaining their ARRMA vehicles in the UK. Whether you're running a 4x4 BLX 3S KRATON or a BLX 4S model, these precision-engineered O-rings are critical components that ensure leak-free operation and smooth performance across all your RC adventures. For anyone serious about keeping their brushless RC car in top condition, having quality replacement O-rings on hand is a sign of a dedicated RC hobbyist who understands that the smallest parts can make the biggest difference.
O-rings are fundamental sealing components found throughout modern RC vehicles, preventing fluid leakage in fuel lines, gearbox assemblies, and hydraulic systems. The 12x2mm size is specifically designed for ARRMA's popular BLX models, making this the go-to replacement pack for RC car UK owners who want genuine, manufacturer-approved parts rather than generic alternatives. Whether you're a weekend basher who occasionally needs to refresh worn seals, or a competitive racer who maintains spare parts for every eventuality, this four-pack gives you the coverage you need to keep your rig running reliably.
ARRMA's commitment to quality extends to every component, including these O-rings. When you're investing in a brushless RC car like the KRATON BLX, protecting that investment with authentic replacement parts is the smart choice. These O-rings work silently behind the scenes, maintaining the integrity of your vehicle's systems so you can focus on enjoying your RC experience rather than troubleshooting leaks and performance issues.
Key Features
- High-quality O-Ring rubber material — These O-rings are manufactured from strong and durable rubber compound specifically formulated for RC applications, ensuring long-lasting performance even under the demanding conditions that RC vehicles face, from high-speed bashings to muddy terrain and water crossings.
- Precisely manufactured for excellent fit — Each O-ring is engineered to exact tolerances, guaranteeing that they fit perfectly in the designed locations on your ARRMA vehicle without gaps or misalignment that could compromise sealing effectiveness.
- Leak-free operation — The primary purpose of these O-rings is to create reliable seals that prevent fluid loss throughout your vehicle's systems, maintaining optimal performance and protecting internal components from contamination.
- Genuine ARRMA manufacture — As official ARRMA parts, these O-rings are designed and tested to work seamlessly with your KRATON BLX and other compatible models, giving you confidence that you're using components engineered specifically for your vehicle.
- Four-pack quantity — This pack includes four individual O-rings, providing you with spare replacements and allowing you to maintain multiple vehicles or keep backups for extended RC sessions without interruption.
- Compatible with multiple ARRMA models — These 12x2mm O-rings fit ARRMA 4x4 BLX 3S KRATON and BLX 4S models, making them a versatile replacement option for owners with multiple ARRMA vehicles in their collection.
Technical Performance
The 12x2mm O-ring dimensions are critical specifications that ensure proper fit and sealing performance in ARRMA's BLX drivetrain systems. The precise 12mm outer diameter and 2mm cross-sectional thickness create the exact sealing surface needed to maintain fluid integrity in gearbox assemblies and other sealed components. ARRMA's engineering ensures that these O-rings perform consistently across the temperature ranges you'll encounter during RC driving, from cold winter sessions to hot summer racing. The rubber compound resists degradation from standard RC lubricants and hydraulic fluids, maintaining its elasticity and sealing properties over extended use. Whether you're running your brushless RC car in dusty conditions, wet terrain, or during high-intensity racing sessions, these O-rings remain reliable. The durability of the material means you won't experience premature hardening or cracking that can compromise seals, allowing your KRATON BLX 3S or 4S to maintain consistent performance race after race. For RC car UK owners who demand reliability from every component, the manufacturing precision of these genuine ARRMA parts represents the quality standard you should expect from an authorised parts supplier.
What's in the Box
- 4 x 12x2mm Rubber O-Rings
Frequently Asked Questions
- What ARRMA models are these O-rings compatible with? — These 12x2mm O-rings are designed for ARRMA 4x4 BLX 3S KRATON and BLX 4S models. The precise dimensions ensure they fit the specific locations where these seals are required in your vehicle's transmission and drivetrain systems.
- Why would I need replacement O-rings for my RC car? — O-rings gradually wear out over time due to exposure to heat, hydraulic fluid, and the constant flexing that occurs during driving. Regular replacement maintains seal integrity, prevents fluid leakage, and ensures your vehicle continues to perform optimally. Most serious RC enthusiasts keep spare O-rings on hand for maintenance sessions.
- Are these genuine ARRMA parts? — Yes, these are authentic ARRMA manufactured components specified with the official model number Z-AR716025. When you purchase from RC Model Shop as an authorised retailer, you're guaranteed genuine parts rather than generic alternatives.
- How often should I replace my O-rings? — The frequency depends on how often you use your RC car and the conditions you drive in. Heavy use in muddy or wet conditions will wear O-rings faster than casual weekend driving. If you notice any fluid leakage or reduced performance, it's time to replace them. Many RC hobbyists perform preventative O-ring replacement during regular maintenance schedules.
- What is the difference between O-rings and X-rings? — While both serve as seals, X-rings (also called quad rings) have a different cross-sectional shape that can provide superior sealing in some applications. ARRMA specifies which type is correct for each location in your vehicle. These particular parts are standard O-rings designed for your KRATON BLX model.
- Can I use generic O-rings instead of ARRMA branded ones? — While generic O-rings might fit dimensionally, ARRMA's proprietary rubber compound is formulated to work with the specific fluids and operating temperatures of their vehicles. Using genuine ARRMA parts ensures optimal performance and compatibility.
- Is this suitable for beginners? — These are replacement parts rather than a complete vehicle, so they're intended for owners who already have an ARRMA RC car. If you're new to RC and need a ready-to-run brushless RC car, you'll want to start with a complete KRATON BLX model first, then use these parts for future maintenance.
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 O-Ring 12x2mm 4x4 BLX 3S KRATON BLX 4S (4) Z-AR716025 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.
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