---
product_id: 581925723
title: "4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up"
brand: "1409kmt"
price: "€ 25.36"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/581925723-4l60e-4l60-4l65e-4l70e-4th-gear-super-hold-dual-servo
store_origin: HR
region: Croatia
---

# Easy in-vehicle installation Fits 1982-up GM 4L60E/4L65E/4L70E 40% more apply surface area 4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up

**Brand:** 1409kmt
**Price:** € 25.36
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your GM transmission game—hold tight, shift right!

## Quick Answers

- **What is this?** 4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up by 1409kmt
- **How much does it cost?** € 25.36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/581925723-4l60e-4l60-4l65e-4l70e-4th-gear-super-hold-dual-servo)

## Best For

- 1409kmt enthusiasts

## Why This Product

- Trusted 1409kmt brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Broad Compatibility:** Seamlessly fits all GM 4L60E, 4L65E, 4L70E transmissions from 1982 onward—future-proof your ride.
- • **Plug-and-Play Upgrade:** Designed for quick, hassle-free in-vehicle installation—get back on the road faster.
- • **Enhanced Shift Quality:** Eliminates common 3-4 shift issues and band failures in performance applications.
- • **Unmatched Holding Power:** 40% increased apply surface area delivers superior 4th gear hold for aggressive driving.
- • **Synergistic Performance Boost:** Pair with Sonnax 2nd gear servo kit for industry-leading shift precision and durability.

## Overview

The Sonnax 4th Gear Super Hold Dual Servo Kit (77767K) is engineered to enhance the holding power of GM 4L60, 4L60E, 4L65E, and 4L70E transmissions from 1982 onward. Featuring 40% more apply surface area, it addresses common 3-4 shift quality issues and band failures, delivering reliable performance upgrades with easy in-vehicle installation.

## Description

4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up

## Features

- 4th Gear Super Hold Dual Servo Kit fits TH700R4 4L60E 4L65E 4L70E GM TRANSMISSION all varieties of these transmissions 1982-UP .
- Sonnax 4th Gear super hold dual servo kit 77767K features 40% more apply surface area for greater holding power in GM 4L60 (700-R4), 4L60-E, 4L65-E and 4L70-E units.
- Vehicles with these transmissions often exhibit poor 3-4 shift quality and experience band failure in performance applications.
- Combine this servo kit with Sonnax 2nd gear servo 77911-03K for unmatched holding power and shift performance that's an easy in-vehicle insta.
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | LANHO AUTO PARTS |
| Brand | 1409KMT |
| Model | KMT-OT001426 |
| Package Dimensions | 9.7 x 9.19 x 6.4 cm; 558 g |
| Item model number | KMT-OT001426 |
| Exterior | Machined |
| Manufacturer part number | KMT-OT001426 |
| Item Weight | 558 g |

## Images

![4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up - Image 1](https://m.media-amazon.com/images/I/510dezNNj2L.jpg)
![4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up - Image 2](https://m.media-amazon.com/images/I/51kINADRInL.jpg)
![4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up - Image 3](https://m.media-amazon.com/images/I/5158NRe8V8L.jpg)
![4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up - Image 4](https://m.media-amazon.com/images/I/51bDrCnyA5L.jpg)
![4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up - Image 5](https://m.media-amazon.com/images/I/51rv3w-5NML.jpg)

## Frequently Bought Together

- 4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up
- 4L60 4L60E 4L65E 4L70E Transmission 2nd Gear Super Hold Servo Kit Sonnax
- Sonnax HD 2-3 Shift Valve

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hr/products/581925723-4l60e-4l60-4l65e-4l70e-4th-gear-super-hold-dual-servo](https://www.desertcart.hr/products/581925723-4l60e-4l60-4l65e-4l70e-4th-gear-super-hold-dual-servo)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-23*