4L70E Corvette 2-4 Servo Piston Kit 2006-2013 A74905BK

Overview

This is a servo piston assembly and apply kit for the GM, Chevrolet, GMC, Cadillac 4L70E automatic transmission (2006-2013). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade 4L70E repair or rebuild. Every 4L70E order ships fast and is backed by our support team.

What's Included

• a larger-apply servo piston assembly
• cover, snap ring and seals as applicable
• an apply pin where supplied with the kit

Fitment

Fits GM, Chevrolet, GMC, Cadillac vehicles equipped with the 4L70E automatic transmission, 2006-2013. Please confirm your transmission model and year before ordering to ensure correct fitment.

Common Symptoms & When to Use

Consider this 4L70E part when you experience:

• a slipping or burnt 2-4 band
• soft or flared 1-2 and 3-4 shifts
• weak band apply under load or towing
• a servo bore or seal leak found during rebuild

Specifications

• OEM Part Number: A74905BK
• Transmission: 4L70E
• Year Range: 2006-2013

Quality & Service

Same-day shipping on in-stock orders. Free shipping on orders over $70. Backed by Core Transmission Parts — your source for 4L70E transmission parts.