The balance piston is suitable for the modern 45581-4F030 piston No. 4 and the overdrive clutch
A8LR1 Balance Piston (P/N: 45581-4F030) – Hyundai 4th & Overdrive Clutch Application
Technical Verification:
With 20 years of transmission expertise, our engineering team confirms this piston meets exact OEM specifications for Hyundai A8LR1 transmissions.
Product Specifications:
Genuine OEM replacement for P/N 45581-4F030
Directly compatible with Hyundai A8LR1 transmissions
Specifically designed for 4th and overdrive clutch operation
Includes all necessary seals and retainers
Critical Features:
- Precision-machined aluminum construction
- OEM-spec diameter and tolerance (±0.02mm)
- High-temperature sealing rings included
- Designed for hydraulic balance in clutch apply systems
Service Advantages:
Our master technicians provide installation guidance
Solves clutch engagement and pressure issues in 4th and overdrive gears
Restores smooth shifting in higher gears
Includes detailed installation instructions
45581-4F030 Piston – The Genuine Solution for Hyundai Transmission Performance.


7DCT330 Oil Filter side view
7DCT330 Oil Filter installation view
balance piston for 45581-4F030
,transmission piston for overdrive clutch
,modern transmission balance piston
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