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
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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 -
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2014 GLS350 4MATIC Front Axle Differential Assembly (G/R 3.27) – OEM Specification Technical Verification: With 20 years of Mercedes-Benz expertise , our engineering team confirms this differential meets exact OEM specifications for 2014 GLS350 4MATIC systems. Product Specifications: Complete front axle differential assembly with 3.27 gear ratio Direct replacement for 2014 GLS350 4MATIC models Includes matched ring and pinion gear set Pre-filled with factory-approved -
The B1 brake caliper piston assembly suitable for the modern Kia KAPPA CF12 CVT transmission gearbox
B1 Brake Piston Assembly (P/N: 4834402200) – Hyundai/Kia KAPPA CF12 CVT Transmission Application Technical Verification With 20 years of CVT expertise , our engineering team confirms this B1 brake piston assembly meets exact OEM specifications for KAPPA CF12 transmissions. Product Specifications Direct OEM replacement for P/N 4834402200 Complete piston assembly with seals and springs Compatible with Hyundai/Kia KAPPA CF12 CVT models Precision-machined to OEM dimensional