- Product type: Front Upper Hinge Pin
- Part number: ARA330658
- Dimensions: 4 x 49mm
- Material: Heavy-duty steel
- Finish: Smooth surface finish for suspension plushness
- Manufacturing: Precision machined for accurate fit
- Quantity per package: 2 pieces
- Fitment: ARRMA 1/7 and 1/8 scale vehicles
- Compatible models: Big Rock 6S, Fireteam 6S, Infraction 6S, Limitless 120 8S, Limitless 6S, Mojave 6S variants, Kraton 6S variants, Notorious 6S, Outcast 6S variants, Talion 6S EXB, Typhon 6S
- Required companion part: ARA330659 - Front Upper Suspension Mount CNC Aluminum
- Installation: Requires basic RC tools and suspension knowledge
- Suspension component type: Hinge pin for upper suspension arms
Overview
The ARRMA Hinge Pin Front Upper 4x49mm (2) Z-ARA330658 is an essential replacement suspension component for ARRMA RC vehicles across multiple scales and models. These high-quality front upper hinge pins are precision-engineered parts designed to maintain the integrity of your RC car's suspension geometry and performance. Whether you're running a 1/8 scale brushless speed truck, a 1/7 scale desert truck, or any compatible ARRMA model, these hinge pins are critical wear items that should be regularly inspected and replaced as needed. For RC enthusiasts in the UK looking to keep their ARRMA ready to run RC vehicles in top condition, this replacement part offers genuine OEM quality backed by ARRMA's engineering standards.
These front upper hinge pins are not just simple fasteners—they are precision-manufactured components that directly influence the handling characteristics and suspension plushness of your RC vehicle. When hinge pins wear or develop play, you'll notice increased slop in the suspension arms, which compromises steering response, handling consistency, and overall drive quality. By maintaining fresh hinge pins and regularly checking for wear, you ensure your RC car maintains the tight, responsive feel that makes RC driving enjoyable. This is particularly important for competitive drivers and serious bashers who demand consistent performance from their brushless RC trucks and buggies.
ARRMA's commitment to quality extends to every component in their lineup, including these suspension parts. The hinge pins come as a matched pair to service the front upper suspension on your vehicle, and they're manufactured to exacting tolerances that ensure proper fitment without any slop or binding. If you're maintaining an ARRMA RC car UK-wide, keeping spare hinge pins on hand is smart maintenance practice that will save you downtime and keep your vehicle performing at its best.
Key Features
- Heavy-duty steel construction — These hinge pins are machined from robust steel material that resists bending and deformation under the loads experienced during aggressive driving, ensuring long-lasting durability even on bumpy terrain and during high-speed runs.
- Smooth surface finish — The precision-finished surface of these hinge pins directly contributes to the plushness and responsiveness of your front suspension, allowing suspension arms to move freely without friction or resistance that would impede travel.
- Precision manufacturing for slop-free fit — Each hinge pin is manufactured to exacting tolerances through a controlled precision process, guaranteeing an accurate fit to the upper suspension arms without any play or wobbling that would compromise steering precision.
- Pair included — You receive two hinge pins in this package, providing both left and right front upper suspension components needed for complete front suspension maintenance or repair.
- OEM ARRMA part — As an officially sanctioned ARRMA component with part number ARA330658, this is genuine equipment that meets all ARRMA specifications and quality standards for compatibility and performance.
Technical Performance
The ARRMA Hinge Pin Front Upper 4x49mm represents the engineering philosophy that every component, no matter how small, contributes to overall vehicle performance. At 4x49mm dimensions, these hinge pins are designed specifically for ARRMA's suspension geometry on their extensive range of 1/8 and 1/7 scale vehicles. The 4mm diameter provides the correct bearing surface for smooth arm articulation, whilst the 49mm length ensures proper geometry alignment for optimal suspension travel. Manufactured from heavy-duty steel through precision machining processes, these pins exhibit exceptional concentricity and surface quality that minimises friction and wear. The smooth surface finish isn't merely aesthetic—it's functional, as it reduces drag on the suspension arms and allows for the full range of suspension movement that gives your RC car its characteristic plush feel. Whether you're running a high-performance brushless RC monster truck, a speed-focused 1/8 scale truck, or a 1/7 scale buggy, maintaining proper hinge pin condition is essential for consistent handling and predictable steering response. When combined with the companion part ARA330659 (Front Upper Suspension Mount CNC Aluminum), these hinge pins complete the upper front suspension assembly. Regular inspection and replacement of worn hinge pins is a fundamental part of RC vehicle maintenance that should be performed seasonally or after heavy use.
What's in the Box
- 2 x Hinge Pin Front Upper 4 x 49mm
What You Need to Complete
- ARA330659 - Front Upper Suspension Mount CNC Aluminum (Red) — Required to complete the front upper suspension assembly
Compatibility
These hinge pins are designed to fit multiple ARRMA models across different scales and configurations. Compatible vehicles include the 1/7 Big Rock 6S, 1/7 Fireteam 6S, 1/7 Infraction 6S, 1/7 Limitless 120 8S, 1/7 Limitless 6S, 1/7 Mojave 6S variants, 1/8 Kraton 6S (various configurations), 1/8 Notorious 6S, 1/8 Outcast 6S variants, 1/8 Talion 6S EXB, and 1/8 Typhon 6S models. Always verify fitment with your specific vehicle model before ordering.
Frequently Asked Questions
- How often should I replace my RC car's hinge pins? — There's no set replacement interval; it depends on your driving frequency and conditions. Inspect hinge pins regularly for wear, pitting, or bending. If you notice increased play in the suspension arms or loose steering feel, it's time to replace them. Serious bashers might replace hinge pins every few months, whilst casual drivers can go longer between replacements.
- What are the signs that my hinge pins need replacing? — Common indicators include visible wear marks on the pins, a feeling of looseness or play when moving the suspension arms by hand, decreased plushness in the suspension feel, or inconsistent steering response that wasn't present before. Any of these signs warrant immediate replacement.
- Are these genuine ARRMA parts? — Yes, these are official OEM ARRMA components with the part number ARA330658, manufactured to ARRMA's specifications and quality standards. Purchasing genuine parts ensures proper fitment and longevity compared to aftermarket alternatives.
- Do I need the ARA330659 part to use these hinge pins? — Yes, these hinge pins must be used with ARA330659 (Front Upper Suspension Mount CNC Aluminum). The suspension mount provides the housing and mounting points for the hinge pins. Ensure you have both components before installation.
- Can these hinge pins be used on multiple ARRMA models? — These pins are designed for a wide range of ARRMA 1/7 and 1/8 scale vehicles including monster trucks, buggies, desert trucks, and speed trucks. Verify that your specific model is listed in the compatibility section before ordering, as fitment varies between model families.
- What tools do I need to replace hinge pins? — Replacement typically requires basic RC tools: a hex key or ball-end driver for the suspension mount fasteners, and possibly snap ring pliers if your vehicle uses retaining clips. Consult your ARRMA vehicle's manual for detailed 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 Hinge Pin Front Upper 4x49mm (2) Z-ARA330658 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.
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