---
product_id: 674711791
title: "Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit"
brand: "biglknm"
price: "402.53 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Biglknm"
url: https://www.desertcart.tn/products/674711791-automatic-transmission-external-gasket-seal-reseal-kit-for-turbo-350
store_origin: TN
region: Tunisia
---

# Fluoro rubber O-ring resists high temps & corrosion Complete reseal kit stops leaks, OEM perfect fit Fits all THM-250/350 series transmissions Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit

**Brand:** biglknm
**Price:** 402.53 DT
**Availability:** ✅ In Stock

## Summary

> 🔩 Seal the deal with leak-proof confidence!

## Quick Answers

- **What is this?** Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit by biglknm
- **How much does it cost?** 402.53 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/674711791-automatic-transmission-external-gasket-seal-reseal-kit-for-turbo-350)

## Best For

- biglknm enthusiasts

## Why This Product

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

## Key Features

- • **Comprehensive Seal Kit:** Includes oil pump seal, oil pan gasket, O-rings, and more—everything to reseal like a pro.
- • **OEM-Grade Precision Fit:** Exact match to original seals ensures hassle-free installation and lasting performance.
- • **Universal THM Compatibility:** Seamlessly fits all THM-250, 250C, 350, 350C & 375B models—no guesswork needed.
- • **Premium Fluoro Rubber O-Rings:** Engineered for extreme heat and corrosion resistance to keep your transmission leak-free.
- • **Trusted by Mechanics & DIYers:** Highly rated with 4.6 stars and proven to stop leaks, restoring your transmission’s reliability.

## Overview

This BIGLKNM Automatic Transmission External Gasket Seal Reseal Kit is a complete, OEM-precision solution designed to fit all THM-250, 250C, 350, 350C, and 375B transmissions. Featuring durable fluoro rubber O-rings with high temperature and corrosion resistance, it effectively stops leaks and restores transmission integrity. Trusted by professionals and DIY enthusiasts alike, this kit includes all necessary seals for a flawless reseal.

## Description

Complete transmission external reseal kit fit for THM-250, 250C, 350, 350C & 375B transmissions - all years makes and models OEM leaking pump seal, no more leaks and works perfectly

Review: Exact fit - .
Review: Good quality part - Fits ae good, leaks stopped

## Features

- Compatible Model: Fits all THM-250, 250C, 350, 350C & 375B transmissions - all years makes and models
- OEM Fit: transmission oil pan gasket fit perfect the original or broken
- Function: This turbo 350 transmission seal kit is designed to seal up a leaking transmission
- Material: These turbo 350 transmission seal kit made of long-lasting material, O-ring made of fluoro rubber, high temperature resistance, corrosion resistance, not easy to leak
- Package Included: This th350 gasket included transmission oil pump seal, transmission oil pan gasket,o-ring ect. more details pls see the pictures

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DGGJDCHR |
| Best Sellers Rank | #141,220 in Automotive ( See Top 100 in Automotive ) #8 in Car Rebuild Kits |
| Brand | BIGLKNM |
| Brand Name | BIGLKNM |
| Customer Reviews | 4.6 out of 5 stars 36 Reviews |
| Manufacturer | BIGLKNM |
| Model | THM-250 Seal |
| Number of Items | 1 |
| Part Number | THM-250 Seal |

## Images

![Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit - Image 1](https://m.media-amazon.com/images/I/71JClf99foL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Exact fit
*by D***E on 11 September 2025*

.

### ⭐⭐⭐⭐⭐ Good quality part
*by C***E on 26 August 2025*

Fits ae good, leaks stopped

### ⭐⭐⭐⭐⭐ Worked as described
*by J***A on 11 January 2025*

Worked great, as expected!

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**Shop now:** [https://www.desertcart.tn/products/674711791-automatic-transmission-external-gasket-seal-reseal-kit-for-turbo-350](https://www.desertcart.tn/products/674711791-automatic-transmission-external-gasket-seal-reseal-kit-for-turbo-350)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-16*