4L70E Shift Kit

$100.99

Free shipping on orders over $70 to the lower 48 states. Tracking is emailed as soon as it ships.
30-day return policy. Questions? Email sales@coretransmissionparts.com and we reply fast.
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Not sure it fits? Email your year, make, model and the transmission code from the tag, and we will confirm the fit before you order.

Popular 4L70E add-on Corvette 2-4 Servo — firmer shifts, longer band life $69.68

Overview

This is a shift correction and reprogramming kit for the GM, Chevrolet, GMC, Cadillac 4L70E automatic transmission. 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

recalibrated valve-body springs and valves
checkballs and separator-plate components as applicable
step-by-step installation instructions

Fitment

Fits GM, Chevrolet, GMC, Cadillac vehicles equipped with the 4L70E automatic transmission. 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:

soft, mushy or delayed shifts
slipping or shift flare between gears under load
harsh or erratic shifts and shift-related codes
clutch and band burnup on towing or high-power builds

Specifications

Transmission: 4L70E

Quality & Service

In-stock parts ship fast; special-order items ship within 3 business days. Free shipping on orders over $70 to the lower 48 states. Backed by Core Transmission Parts — your source for 4L70E transmission parts.