---
product_id: 573439058
title: "National 711103 Automatic Transmission Extension Housing Seal"
brand: "national"
price: "€ 27.59"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/573439058-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:** € 27.59
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal the deal with National’s trusted transmission extension housing seal!

## Quick Answers

- **What is this?** National 711103 Automatic Transmission Extension Housing Seal by national
- **How much does it cost?** € 27.59 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/573439058-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

- • **Trusted Legacy Brand:** Backed by National’s 75+ years of premium sealing innovation.
- • **Compact & Lightweight:** Sleek 22.7g design fits seamlessly without adding bulk.
- • **Precision Spring-Loaded Seal:** Engineered for a tight, reliable fit that adapts under pressure.
- • **Extreme Temperature Resilience:** Performs flawlessly from freezing cold to scorching heat (-20°F to 300°F).
- • **Hydrocarbon Fluid Compatibility:** Minimizes swelling to maintain integrity in harsh lubricant environments.

## Overview

The National 711103 Automatic Transmission Extension Housing Seal features a spring-loaded multi-lip design that ensures superior sealing performance. It operates reliably across a broad temperature range (-20°F to 300°F) and resists swelling in hydrocarbon fluids, making it ideal for durable transmission repairs. Manufactured by DRiV Incorporated, this compact and lightweight seal embodies over 75 years of National’s industry-leading expertise.

## Description

National 711103 Automatic Transmission Extension Housing Seal

## 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 |
| 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/573439058-national-711103-automatic-transmission-extension-housing-seal](https://www.desertcart.sk/products/573439058-national-711103-automatic-transmission-extension-housing-seal)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-30*