---
product_id: 573439058
title: "National 711103 Automatic Transmission Extension Housing Seal"
brand: "national"
price: "FREE"
currency: ARS
in_stock: false
url: https://www.desertcart.com.ar/products/573439058-national-711103-automatic-transmission-extension-housing-seal
store_origin: AR
region: Argentina
---

# 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:** FREE
**Availability:** ❌ Out of 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?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/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® 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 |
| 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.com.ar/products/573439058-national-711103-automatic-transmission-extension-housing-seal](https://www.desertcart.com.ar/products/573439058-national-711103-automatic-transmission-extension-housing-seal)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-09-28*