HOBAO Differential Gasket Set 1/7 Monster Truck H89004G

Overview

The HOBAO HYPER MT PLUS II ELEC./ MTX DIFF GASKET (4) H89004G is an essential maintenance and replacement part for serious RC enthusiasts in the UK who operate high-performance monster trucks. These differential gaskets are precision-engineered components designed to maintain optimal sealing and performance in the differential housing assembly of your HOBAO RC monster truck. Whether you're a weekend basher pushing your vehicle to its limits or a competitive racer demanding peak performance, having genuine replacement gaskets on hand is crucial for keeping your RC car UK-ready and performing at its best.

HOBAO has built a reputation for manufacturing reliable, high-quality RC vehicles and parts that deliver exceptional performance across a wide range of scales and applications. The HYPER MT PLUS II ELECTRIC represents the pinnacle of monster truck engineering, and maintaining its differential system with genuine gaskets ensures that your investment continues to deliver years of thrilling performance. These gaskets are critical components that prevent oil leakage from the differential housing, ensuring that your drivetrain remains properly lubricated and protected from dust and debris during intense off-road driving sessions.

This pack of four gaskets provides you with essential spares to keep your monster truck in top condition. Differential gaskets experience wear over time due to the constant pressure cycles, temperature fluctuations, and vibration that occur during RC driving. By stocking genuine HOBAO gaskets, you're ensuring that your vehicle maintains its performance characteristics and reliability, whether you're enjoying casual bashing sessions or competitive racing on challenging terrain across the UK.

Key Features

• Pack of Four Gaskets — This set includes four precision-engineered differential gaskets, giving you multiple replacements so you can service your differential housing more than once or maintain spares for critical competitions or events. Having multiple gaskets on hand means you won't be sidelined if one gasket requires replacement during maintenance.
• Compatible with Multiple HOBAO Models — These gaskets are engineered to fit differential housings referenced as #85100, #85110, #89004, and #OP-0148, providing compatibility across numerous HOBAO RC vehicles including the HYPER MT PLUS II ELECTRIC, HYPER MTX ELECTRIC, and various other models in the HOBAO range. This broad compatibility makes them a sensible addition to any HOBAO owner's spare parts collection.
• Original Equipment Quality — As genuine HOBAO parts, these gaskets are manufactured to the exact specifications and tolerances required for your monster truck's differential assembly. Original equipment gaskets ensure perfect fit and optimal sealing performance that aftermarket alternatives may not provide.
• Essential Maintenance Component — The differential gasket is a critical sealing element that prevents differential oil from leaking out of the housing whilst maintaining proper pressure within the assembly. Worn or degraded gaskets can lead to oil loss, reduced lubrication, and potential differential damage, making regular replacement an important part of responsible RC vehicle maintenance.
• Cost-Effective Maintenance Solution — At an affordable price point, this pack of four gaskets represents excellent value for maintaining your RC monster truck's drivetrain. Preventative maintenance with genuine parts is far more economical than dealing with damaged differential components that can result from gasket failure.

Technical Performance

The differential gasket serves a vital role in the drivetrain architecture of your HOBAO HYPER MT PLUS II ELECTRIC monster truck. Located in the differential housing, the gasket creates a watertight and airtight seal between the housing cover and the main housing body. This seal is essential for maintaining the correct pressure and fluid retention within the differential assembly, where specially formulated differential oil circulates to lubricate the gear mechanisms that distribute power between the left and right wheels. In high-performance RC applications, differentials experience significant stress from acceleration, cornering, and terrain impacts. The gasket must withstand continuous pressure cycling, temperature variations from cold startups to hot running conditions, and vibration from the motor and drivetrain. Over extended use, gaskets can harden, shrink, or develop micro-cracks, compromising their sealing ability. This is why having genuine replacement gaskets available is essential for any serious HOBAO owner. The gasket material is engineered to remain flexible and maintain its seal across the temperature range your monster truck experiences during driving. By replacing gaskets as part of routine maintenance, you ensure that your differential maintains proper oil levels and pressure, which directly impacts the durability and performance of the gear train. Proper sealing also prevents contamination from dust and debris, which could damage the precision-engineered gear teeth inside the differential housing.

What's in the Box

• Four differential gaskets for HOBAO RC vehicles

Compatibility Guide

These differential gaskets are officially listed as compatible with the following HOBAO RC models and platforms: the 1/7 HYPER MT PLUS II ELECTRIC monster truck, the HYPER MTX ELECTRIC monster truck, and numerous other HOBAO vehicles that utilise the #85100, #85110, or #89004 differential housing assemblies. Before ordering, verify that your specific HOBAO model uses one of these differential housing references. If you're unsure about compatibility with your particular HOBAO RC vehicle, our knowledgeable team at RC Model Shop is happy to provide guidance to ensure you're ordering the correct parts for your setup.

Frequently Asked Questions

• How often should I replace my RC differential gaskets? — Differential gaskets should be inspected during regular maintenance, typically every 10-15 hours of running time, depending on driving conditions and intensity. Signs that gaskets need replacement include visible oil seepage around the differential housing, low differential oil levels despite recent topping-up, or contamination visible in the differential oil. Preventative replacement of gaskets during regular maintenance intervals helps avoid differential damage from oil loss.
• Why do I need four gaskets when my RC truck has only one differential? — The HOBAO HYPER MT PLUS II ELECTRIC, like all modern RC monster trucks, features front and rear differentials, meaning two separate differential housings that each require a gasket. Additionally, having extra gaskets in your spare parts collection allows you to perform maintenance without waiting for replacement parts to arrive, and provides backups for competitive events where reliability is paramount.
• Are these gaskets suitable for both the HYPER MT PLUS II and HYPER MTX models? — Yes, according to the manufacturer specifications, these gaskets are compatible with both the 1/7 HYPER MT PLUS II ELECTRIC monster truck and the HYPER MTX ELECTRIC monster truck, as well as many other HOBAO models that share the same differential housing design. The broad compatibility across the HOBAO range makes these essential spares for any HOBAO enthusiast.
• What type of differential oil should I use with these gaskets? — HOBAO recommends using quality RC-specific differential oil, which is typically available in various viscosities suited to different driving conditions and climates. The gasket material works in conjunction with the differential oil to maintain proper sealing and lubrication. Always use appropriate RC differential fluid rather than automotive oils, as RC oils are formulated with the correct additives and viscosity for precision RC vehicle differentials.
• Can I reuse the old gasket or do I need to replace it? — Gaskets are designed for single use and should be replaced during each service interval. Once removed, gaskets lose their sealing ability and should not be reinstalled. Using a new gasket from this genuine HOBAO pack ensures a proper seal and prevents oil leaks that could compromise differential performance.
• Is this a beginner-level maintenance task? — Differential gasket replacement is an intermediate maintenance task that requires some mechanical skill and the proper tools. You'll need a screwdriver or hex key to remove the differential housing cover, gasket scraper to remove the old gasket cleanly, and the ability to carefully clean the sealing surfaces before installing the new gasket. Many experienced RC enthusiasts perform this service themselves, whilst others prefer to have it done at their local RC specialist shop or by an authorised HOBAO dealer.

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 HOBAO HYPER MT PLUS II ELEC./ MTX DIFF GASKET (4) H89004G 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.