SKU: 93753786193

Fonzon Arrma 6S 7075-T6 Aluminum Center Differential Set 43T FZCSZ643

Sale price$94.50 Regular price$105.00
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Description

Fonzon Arrma 6S 7075-T6 Aluminum Center Differential Set 43T FZCSZ643The Fonzon ARRMA 6S Aluminium Center Differential Set FZCSZ643 is a premium assembled drivetrain upgrade designed for extreme RC performance. Featuring a CNC machined 7075 T6 aluminium differential case, reinforced steel gears and factory filled 10k cSt silicone oil, this centre diff is built to handle high torque loads and demanding bash conditions. Features 7075 T6 Aluminium Differential Case: Lightweight CNC machined housing provides excellent

The Fonzon ARRMA 6S Aluminium Center Differential Set FZCSZ643 is a premium assembled drivetrain upgrade designed for extreme RC performance. Featuring a CNC-machined 7075-T6 aluminium differential case, reinforced steel gears and factory-filled 10k cSt silicone oil, this centre diff is built to handle high torque loads and demanding bash conditions.

Features

  • 7075-T6 Aluminium Differential Case: Lightweight CNC-machined housing provides excellent strength and durability
  • Heavy-Duty Steel Gear System: Nickel-chromium alloy steel gears deliver increased wear resistance under extreme loads
  • Powder Metallurgy Gear Components: Reinforced drive bevel, planetary and ring gears improve drivetrain reliability
  • Factory Assembled Design: Supplied ready to install for faster upgrades and maintenance
  • Pre-Filled Differential Oil: Includes 10k cSt silicone oil for smooth and consistent power delivery
  • Extended Steel Drive Cups: +1.5mm nickel-chromium alloy steel drive cups provide improved engagement
  • Sealed Adapter Cup Bearings: Supports efficient rotation and long-lasting drivetrain performance
  • Grade 12.9 Titanium-Coated Hardware: High-strength screws provide durability and corrosion resistance
  • Extreme Torque Capability: Engineered for powerful 6S brushless setups and rough terrain driving

Specifications

  • Brand: Fonzon
  • Part Number: FZCSZ643
  • Product Type: Assembled centre differential upgrade
  • Application: ARRMA 6S drivetrain
  • Main Gear: 43T
  • Diff Oil: 10k cSt silicone oil
  • Differential Case Material: 7075-T6 aluminium
  • Gear Material: Nickel-chromium alloy steel and powder metallurgy components
  • Assembly Type: Factory assembled

Compatibility

  • ARRMA Kraton 6S BLX
  • ARRMA Typhon 6S BLX
  • Other compatible ARRMA 6S models using matching differential specifications

Includes

  • 1 x Fonzon ARRMA 6S 7075-T6 Aluminium Assembled Center Differential Set With 43T Steel Gear

FAQ

What is the benefit of the Fonzon FZCSZ643 aluminium differential? The 7075-T6 aluminium case and upgraded steel internals provide improved strength and durability compared with standard drivetrain components.

Is the Fonzon FZCSZ643 centre diff ready to install? Yes. The differential comes factory assembled and pre-filled with 10k cSt silicone oil.

What ARRMA vehicles does this differential suit? This centre differential is designed for compatible ARRMA 6S vehicles including Kraton 6S BLX and Typhon 6S BLX models.

Important Notes

  • Check your vehicle manual and differential specifications before installation
  • Confirm gear compatibility and drivetrain setup before use
  • Regular inspection and maintenance are recommended for high-power 6S applications
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 93753786193

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Sharon A. Hall
Lexington, US
★★★★★ 1
Asurion "Assures" nothing!
Asurion has terrible Customer Support. All machine based. They give you no phone # for human interaction. Their online Support process is very close-ended. It is a checklist designed to frustrate purchasers whose issue lies outside only the very issue. My issue: I bought "Cuisinart TOB-40FR Custom Classic Toaster Oven Broiler, Silver (Renewed)" on May 26, 2024. It stated it had a 90 day warranty. So I bought an Asurion Protection Plan also to cover it for 3 years. The toaster started flaking off metal finish inside the oven over the cooking area. I tried to file a claim with Asurion and they told me the Manufacturers warranty was still in effect and I should contact Cuisinart. This despite the oven was sold with a Amazon Renewed verbiage stating a 90 day warranty. And they have nothing on their "Machine Checklist" to cover this eventuality. And I would assume I am not the only one who takes the "Renewed" route and backs it up with a "Protection Plan". They will frustrate you no end. I suspect, like many insurances, they seek to deny, deny, deny, in hopes the purchaser will give up.
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Reviewed in the United States on January 4, 2026
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Darla
Natrona Heights, US
★★★★★ 4
GIFT CARD AS REPLACEMENT, NO CHOICE OF CHECK OR REPLACEMENT. GOOD COMPANY
PROS: * A decent company, responsive and fair. * Allows you to buy items from anywhere you want, and buy the warranty at Amazon. * Provides better coverage than other warranties, and covers more, including breakage! CON: They don't send you a check in order to buy wherever you want, send a replacement, or give you a choice. Instead, they send you an Amazon Gift Card. That's OK if you're a big Amazon shopper, but sometimes, you can get a better price elsewhere.
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Reviewed in the United States on December 10, 2025
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Luis Ortiz
Carnegie, US
★★★★★ 5
Asurion has been outstanding. Their customer service is quick, reliable, and efficient.
Every time I’ve had a problem, Asurion has been outstanding. Their customer service is quick, reliable, and efficient, and they handle claims with minimal hassle. It’s reassuring to know they actually follow through and resolve issues promptly.
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Reviewed in the United States on April 16, 2026
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Glen Armstrong
Dallas, US
★★★★★ 5
Good protection, easy process
First time filing a claim. Super easy and fast. Nice to have have protection and a smooth claims process when the unfortunate happens..
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K. Shockley
Alexandria, US
★★★★★ 5
Ease of making a claim and quick return time for claim.
Very easy to work with.
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Reviewed in the United States on May 21, 2026

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