New A4LB1 U540E A4Q CVT Transmission Reverse Brake Piston for Toyota Vios (1994-2009)

This is a brand-new reverse brake piston, designed for the Toyota A4LB1 / U540E CVT transmission. It is compatible with Toyota Vios models from 1994 to 2009 (including 2002-2008 variants).

The reverse brake piston is a critical hydraulic component in the transmission, using fluid pressure to engage the reverse brake band and lock the planetary gearset for reverse operation. Manufactured to OEM specifications, this piston eliminates common issues like no reverse, delayed reverse engagement, slipping, and pressure loss caused by worn or damaged piston seals.

• 100% new production with high-grade materials and precision-machined sealing surfaces
• Meets or exceeds OEM specifications for fit, durability, and pressure resistance
• Designed to withstand operating pressures in the U540E CVT transmission

• Direct fit for Toyota A4LB1 / U540E CVT transmissions
• Matches original specifications for accurate installation, no modification required
• Compatible with Toyota Vios (1994-2009) models

• Resolves no reverse, delayed engagement, and reverse slipping issues
• Prevents pressure loss caused by worn or damaged piston seals
• Restores consistent reverse brake function and reliable reverse gear operation

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