A4LB1 U540E Gearbox Reverse Brake Piston for Toyota Vios CVT Transmission

1. Raw Material Inspection: Materials and components verified for quality and durability.
2. Dimensional & Fit Testing: Each piston is tested to ensure it fits perfectly in the transmission housing.
3. Pressure Testing: The piston is tested under simulated operating pressures to ensure leak prevention.
4. Sealing Surface Inspection: Sealing surfaces are checked for smoothness and accuracy to prevent leaks.
5. Final Quality Control: Visual and functional inspection before packaging to ensure defect-free delivery.

• Professional Installation Recommended: Requires certified technicians for removal and installation.
• Seal Replacement: Always replace the piston with new seals and gaskets to ensure a proper, leak-free fit.
• Fluid Recommendation: After installation, use only the specified Toyota CVT fluid to ensure proper lubrication and pressure.

• Packaging: The piston is carefully packed in shockproof foam + neutral export carton, ensuring safe transportation. Custom packaging is available on request.
• Shipping: We support worldwide shipping via multiple logistics providers, offering door-to-door delivery services.
• Lead Time: In-stock orders are shipped within 1-5 working days after payment confirmation. Bulk orders will be processed according to production schedules.

We are a professional manufacturer & trade integrated company specializing in automatic transmission parts for Toyota, Honda, and other Asian brands. Our main products include pistons, filters, clutches, and overhaul kits for AT/CVT/DCT transmissions.

We provide:

• Professional technical support and fitment consultation
• OEM/ODM customization services
• Flexible payment terms and competitive pricing
• Long-term cooperation support for auto parts wholesalers, repair shops, and distributors worldwide