Autotecnica HY1421805 Engine Variable Valve Timing (VVT) Sprocket - Exhaust

Brand Autotecnica HY1421805
Position Exhaust
Material La-c steel
Color Silver
Inside Diameter 25.48
Finish Shiny
Width 51.63
Outside Diameter 98.67
Mounting Hardware Included No
Grade Type Standard
Connector Quantity 0
Mounting Hole Quantity 1
Terminal Quantity 0
Wiring Harness Included No
Body Diameter 78.31
Tooth Quantity 38
Tooth Thickness 4.02
Fits Genesis, Hyundai, and Kia · 85 vehicles

OE-spec replacement. Built to match OEM-style requirements for valve timing service.

LA-C steel construction. Provides a durable metal foundation for the sprocket assembly.

38-tooth design. Supports accurate exhaust valve timing engagement.

Cross-references Autotecnica HY1421805, Standard Ignition VVT709 and 3T1124 for the same application. See all 5.

$178.29Free shipping
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Overview

Autotecnica HY1421805 is an exhaust engine variable valve timing sprocket for a range of Hyundai, Kia, and Genesis applications. It is built as a standard-grade replacement part with LA-C steel construction and a silver, shiny finish.

Compatible With Hyundai Genesis, Kia Sorento, and Genesis G80 applications, this VVT sprocket is specified for exhaust-side use and matches the fitment requirements listed for the vehicles below. The HY1421805 part number is also referenced in interchange data for related replacement sourcing.

Key Features

  • LA-C steel construction for a durable valve train component.
  • 38-tooth design with a 4.02 mm tooth thickness.
  • Standard-grade replacement for exhaust VVT applications.
  • Silver finish with a shiny surface appearance.
  • Mounting hole quantity: 1.

Detailed Description

The Autotecnica HY1421805 engine variable valve timing sprocket is engineered for exhaust-side valve timing control in multiple Hyundai, Kia, and Genesis models. Fitment includes the Genesis G70, G80, and G90; Kia Telluride, Stinger, Sedona, Cadenza, K900, and Sorento; plus Hyundai Palisade, Santa Fe, Santa Fe XL, Azera, Genesis, and Genesis Coupe applications. The HY1421805 part number appears in interchange data alongside 3T1124, 998-015, 24370-3CGA0, and VVT709 for cross-reference purposes.

Autotecnica manufactures this part under ISO/TS 16949 quality management system specifications and positions it as an OEM-specification alternative to higher-cost genuine components. The sprocket’s dimensions and tooth count are listed to support accurate replacement selection for the specified exhaust VVT applications.

Common Uses

  • Restoring exhaust cam timing control when the original sprocket is worn.
  • Addressing timing-related drivability concerns tied to VVT operation.
  • Replacing a noisy or damaged valve timing sprocket.
  • Correcting fitment issues on listed Hyundai, Kia, and Genesis engines.

Installation Notes

Verify engine application, exhaust-side fitment, and part number HY1421805 before installation. Confirm tooth count, dimensions, and mounting configuration against the removed component to ensure proper replacement. Mounting hardware is not listed as included.

Quality Assurance

Autotecnica states that this part is manufactured to ISO/TS 16949 QMS specifications and is covered by a two-year, unlimited mileage warranty.

This part fits 85 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2025GenesisG703.3LV6Exhaust—
2025KiaTelluride——Exhaust—
2024GenesisG703.3LV6Exhaust—
2024KiaTelluride——Exhaust—
2023GenesisG703.3LV6Exhaust—
2023KiaStinger3.3LV6Exhaust—
2023KiaTelluride——Exhaust—
2022GenesisG703.3LV6Exhaust—
2022GenesisG903.3LV6Exhaust—
2022KiaStinger3.3LV6Exhaust—
2022KiaTelluride——Exhaust—
2021GenesisG703.3LV6Exhaust—
2021GenesisG903.3LV6Exhaust—
2021KiaSedona——Exhaust—
2021KiaStinger3.3LV6Exhaust—
2021KiaTelluride——Exhaust—
2020GenesisG703.3LV6Exhaust—
2020GenesisG803.3LV6Exhaust—
2020GenesisG903.3LV6Exhaust—
2020HyundaiPalisade——Exhaust—
2020KiaCadenza——Exhaust—
2020KiaK900——Exhaust—
2020KiaSedona——Exhaust—
2020KiaSorento3.3LV6Exhaust—
2020KiaStinger3.3LV6Exhaust—
2020KiaTelluride——Exhaust—
2019GenesisG703.3LV6Exhaust—
2019GenesisG803.3LV6Exhaust—
2019GenesisG903.3LV6Exhaust—
2019HyundaiSanta Fe XL——Exhaust—
2019KiaCadenza——Exhaust—
2019KiaK900——Exhaust—
2019KiaSedona——Exhaust—
2019KiaSorento3.3LV6Exhaust—
2019KiaStinger3.3LV6Exhaust—
2018GenesisG803.3LV6Exhaust—
2018GenesisG903.3LV6Exhaust—
2018HyundaiSanta Fe——Exhaust—
2018HyundaiSanta Fe XL——Exhaust—
2018KiaCadenza——Exhaust—
2018KiaSedona——Exhaust—
2018KiaSorento3.3LV6Exhaust—
2018KiaStinger3.3LV6Exhaust—
2017GenesisG803.8LV6Exhaust—
2017GenesisG903.3LV6Exhaust—
2017HyundaiAzera——Exhaust—
2017HyundaiSanta Fe——Exhaust—
2017HyundaiSanta Fe XL——Exhaust—
2017KiaCadenza——Exhaust—
2017KiaK9003.8LV6Exhaust—
2017KiaSedona——Exhaust—
2017KiaSorento3.3LV6Exhaust—
2016HyundaiAzera——Exhaust—
2016HyundaiGenesis3.8LV6Exhaust—
2016HyundaiGenesis Coupe——Exhaust—
2016HyundaiSanta Fe——Exhaust—
2016HyundaiSanta Fe XL——Exhaust—
2016KiaCadenza——Exhaust—
2016KiaK9003.8LV6Exhaust—
2016KiaSedona——Exhaust—
2016KiaSorento3.3LV6Exhaust—
2015HyundaiAzera——Exhaust—
2015HyundaiGenesis3.8LV6Exhaust—
2015HyundaiGenesis Coupe——Exhaust—
2015HyundaiSanta Fe——Exhaust—
2015HyundaiSanta Fe XL——Exhaust—
2015KiaCadenza——Exhaust—
2015KiaK9003.8LV6Exhaust—
2015KiaSedona——Exhaust—
2015KiaSorento3.3LV6Exhaust—
2014HyundaiAzera——Exhaust—
2014HyundaiGenesis3.8LV6Exhaust—
2014HyundaiGenesis Coupe3.8LV6Exhaust—
2014HyundaiSanta Fe——Exhaust—
2014HyundaiSanta Fe XL——Exhaust—
2014KiaCadenza——Exhaust—
2014KiaSorento3.3LV6Exhaust—
2013HyundaiAzera——Exhaust—
2013HyundaiGenesis3.8LV6Exhaust—
2013HyundaiGenesis Coupe3.8LV6Exhaust—
2013HyundaiSanta Fe——Exhaust—
2013HyundaiSanta Fe XL——Exhaust—
2012HyundaiAzera——Exhaust—
2012HyundaiGenesis3.8LV6Exhaust—
2011HyundaiAzera3.8LV6Exhaust—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Autotecnica — HY1421805Standard Ignition — VVT7093T1124998-01524370-3CGA0