Description

21830-3X300 Mounting Gear Box Compatibility

21830-3X300 Mounting Gear Box Hyundai Elantra | Accent | Veloster | Kia Forte | Rio | 2011–2019 Series

Premium 21830-3X300 MOUNTING GEAR BOX (Interchange: 21830-1R050 / 3D150 / 3Y100 / A5300) specifically engineered for Hyundai-Kia’s global compact and subcompact architectures. Constructed with high-strength materials, this part is optimized for the harmonics of 1.6L, 1.8L, and 2.0L powerplants. Explore our internal gearbox mount catalog or browse our Hyundai Elantra / Kia Forte platform parts category for your replacement.

Hyundai Range (Automatic)

  • Elantra (MD) & Accent (RB): 2011–2017 Models
  • Part Code: 21830-3X300 / 1R050
  • Application: Mounting Gear Box / Transmission Support

Kia Range (Automatic)

  • Forte, Rio & Soul: 2012–2019 Series
  • Testing: Dynamic Load Stress Verified
  • Feature: Reinforced Steel Build & OE Alignment
  • Installation: Direct Factory Replacement

Part Number Reference: 21830-3X300 / 21830-1R050 (Mounting Gear Box) — Check related items in our engine mount collection.

Mounting configurations for Automatic Transmissions differ significantly from manual versions and vary between Korea-built and regional production sites. Verify your VIN to ensure the mounting geometry matches your vehicle exactly.


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Questions and Answers

What is the primary function of the mounting gear box (part number 21830-3X300 / 21830-1R050)?
This automatic gearbox mount secures the transmission housing on compact platforms, absorbing shifting forces and reducing cabin vibration.
Which vehicles are compatible with part numbers 21830-3X300 and 21830-1R050?
It is custom-built for automatic transmission variants of the 2011–2016 Hyundai Elantra (MD), 2012–2017 Accent (RB), 2012–2017 Veloster, 2014–2016 Kia Forte (YD), 2012–2017 Rio (UB), and select 2018–2019 Soul models.
Why should I confirm my chassis number (VIN) via WhatsApp before ordering?
Providing your VIN prevents fitment issues by verifying compatibility against regional assembly differences and manual versus automatic layout variations.

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