---
product_id: 632375041
title: "National 711103 Automatic Transmission Extension Housing Seal"
brand: "national"
price: "€ 125.25"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/632375041-national-711103-automatic-transmission-extension-housing-seal
store_origin: SK
region: Slovakia
---

# Wide temp range -20°F to 300°F Spring-loaded multi-lip design Low swell in hydrocarbon fluids National 711103 Automatic Transmission Extension Housing Seal

**Brand:** national
**Price:** € 125.25
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal the deal with confidence—performance that never slips!

## Quick Answers

- **What is this?** National 711103 Automatic Transmission Extension Housing Seal by national
- **How much does it cost?** € 125.25 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/632375041-national-711103-automatic-transmission-extension-housing-seal)

## Best For

- national enthusiasts

## Why This Product

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

## Key Features

- • **Plug-and-Play Installation:** No assembly required—get your transmission sealed and running fast.
- • **Trusted Legacy Performance:** Backed by National’s 75+ years of premium sealing innovation.
- • **Precision Spring-Loaded Seal:** Engineered for a tight, reliable fit that adapts under pressure.
- • **Extreme Temperature Resilience:** Operates flawlessly from freezing -20°F to scorching 300°F, no sweat.
- • **Hydrocarbon Fluid Compatibility:** Minimal swelling ensures long-lasting durability in harsh lubricant environments.

## Overview

The National 711103 Automatic Transmission Extension Housing Seal features a spring-loaded multi-lip design for superior sealing, operates reliably across a broad temperature range (-20°F to 300°F), and resists swelling in hydrocarbon fluids. Manufactured by DRiV Incorporated in the USA, this precision-engineered seal delivers trusted, durable performance for every transmission repair.

## Description

National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

## Features

- Design type: spring loaded; multi-lip
- Temperature range: -20°F to 300°F / -29°C to 49°C
- Protection from EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | DRiV Incorporated |
| Brand | NATIONAL |
| Model | Automatic Transmission Extension Housing Seal |
| Product Dimensions | 2.03 x 7.11 x 7.11 cm; 22.68 g |
| Item model number | 711103 |
| Exterior | Machined |
| Manufacturer Part Number | 711103 |
| Assembly Required | No |
| Manufacturer | DRiV Incorporated |
| Country of Origin | USA |
| Item Weight | 22.7 g |

## Images

![National 711103 Automatic Transmission Extension Housing Seal - Image 1](https://m.media-amazon.com/images/I/71JHTy4MYDL.jpg)
![National 711103 Automatic Transmission Extension Housing Seal - Image 2](https://m.media-amazon.com/images/I/81oai9N38jL.jpg)

---

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**Shop now:** [https://www.desertcart.sk/products/632375041-national-711103-automatic-transmission-extension-housing-seal](https://www.desertcart.sk/products/632375041-national-711103-automatic-transmission-extension-housing-seal)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-01*