New A8LR1 Balance Piston 45581-4F030 for Hyundai Genesis Equus & Kia K9 Overdrive Clutch 2011-2016

This is a brand-new piston, OE part number 45581-4F030, designed for the Hyundai/Kia A8LR1 8-speed automatic transmission. It is compatible with Hyundai Genesis, Equus, and Kia K9 models from 2011 to 2016, serving as the No.4 and overdrive clutch balance piston.

The balance piston is a critical component that equalizes pressure within the transmission, ensuring smooth clutch engagement and preventing harsh shifts. Manufactured to OEM specifications, this unit eliminates common issues like pressure imbalance, shudder, and overdrive clutch failure caused by a damaged or worn piston.

• 100% new production with high-grade materials and precision manufacturing
• Meets or exceeds OEM specifications for dimensional accuracy, pressure balance, and durability
• Calibrated to match the performance requirements of the A8LR1 8-speed transmission

• Direct fit for Hyundai/Kia A8LR1 8-speed automatic transmissions
• Matches original part number 45581-4F030 for accurate installation, no modification required
• Compatible with Hyundai Genesis (2012-2016), Equus (2011-2016), and Kia K9 (2012+) models

• Resolves pressure imbalance, shudder, and harsh shifts
• Fixes overdrive clutch engagement issues and related error codes
• Restores smooth, reliable shifting and consistent pressure control

• Professional manufacturer of Hyundai/Kia transmission parts
• Competitive pricing for retail and bulk orders
• Fast delivery within 1-5 working days via global express shipping