---
product_id: 409432009
title: "National 99125 Redi-sleeve"
brand: "national"
price: "₱4270"
currency: PHP
in_stock: false
reviews_count: 3
category: "National"
url: https://www.desertcart.ph/products/409432009-national-99125-redi-sleeve
store_origin: PH
region: Philippines
---

# Withstands up to 225°F Operates down to -40°F Low swell in hydrocarbon fluids National 99125 Redi-sleeve

**Brand:** national
**Price:** ₱4270
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Seal the deal with National’s Redi-Sleeve – where durability meets precision!

## Quick Answers

- **What is this?** National 99125 Redi-sleeve by national
- **How much does it cost?** ₱4270 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/409432009-national-99125-redi-sleeve)

## 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 Industry Standard:** Backed by 70+ years of National’s premium sealing expertise for professional-grade repairs.
- • **Hydrocarbon Fluid Resistant:** Low swell in oils and fuels means longer seal life and less downtime.
- • **Precision Spring-Loaded Design:** Single-lip seal with spring loading ensures a tight, leak-proof fit every time.
- • **Compact & Durable Stainless Steel:** Machined finish and stainless steel construction deliver strength and corrosion resistance.
- • **Engineered for Extreme Conditions:** Reliable performance from -40°F to 225°F keeps your machinery running no matter the weather.

## Overview

The National 99125 Redi-Sleeve is a spring-loaded, single-lip oil seal designed for professional-grade repairs. It operates reliably in extreme temperatures from -40°F to 225°F and resists swelling in hydrocarbon fluids, ensuring long-lasting performance. Crafted from durable stainless steel with a machined finish, this seal is trusted worldwide for its quality and precision.

## 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 70 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Review: Worked for my 91 Mercruiser Alpha Gen 1 driven shaft
Review: it works like it should

## Features

- National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.
- Design Type: Spring Loaded; Single-Lip
- Provides good low temperature capability
- Low swell in hydrocarbon fluids
- Temperature Range: -40°F to 225°F; -40°C to 107°C

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000C5LJPI |
| Brand | NATIONAL |
| Color | Grey |
| Colour | Grey |
| Compatible Groove Diameter | 1.5 Inches |
| Customer Reviews | 4.2 out of 5 stars 11 Reviews |
| Drive Style | Philipps |
| Exterior Finish | Machined |
| Exterior finish | Machined |
| Fastener Type | Flange |
| Fastener type | Flange |
| Finish Types | Painted |
| Global Trade Identification Number | 00724956213429 |
| Grade Rating | Industrial |
| Included Components | Redi-Sleeve |
| Inside Thread Size | M12 |
| Item Dimensions | 5.6 x 3.8 x 5.6 centimeters |
| Item Type Name | Redi-Sleeve |
| Manufacturer | Federal Mogul |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Metal Type | Stainless Steel |
| Metal type | Stainless Steel |
| Screw Head Style | Established |
| Size Name | 1.5 inches (W) x 2.19 inches (L) x 2.19 inches (H) |
| Thread Size | 1.5 inches |
| Thread Style | Metric Coarse |
| Thread Type | Regular National Coarse |
| Thread size | 1.5 inches |
| UPC | 724956213429 |
| Unit Count | 1 Count |

## Images

![National 99125 Redi-sleeve - Image 1](https://m.media-amazon.com/images/I/61lK9hYcebL.jpg)

## Questions & Answers

**Q: what size of shaft does this item fit?**
A: Thank you for the question.  The Moog 99125 is is cataloged for a shaft size from 1.247 inch minimum to 1.253 inch maximum.

**Q: Will it work on a trailer spindle?**
A: Thank you for the question.  Yes, the National 99125 redi sleeve can be used on a trailer spindle per the correct diameter and length, to give the hub seal a new surface to contact.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worked for my 91 Mercruiser Alpha Gen 1 driven shaft
*by J***K on 31 March 2022*



### ⭐⭐⭐⭐⭐ it works like it should
*by M***W on 4 June 2021*



### ⭐⭐⭐⭐⭐ Exactly right
*by R***R on 27 November 2019*



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**Shop now:** [https://www.desertcart.ph/products/409432009-national-99125-redi-sleeve](https://www.desertcart.ph/products/409432009-national-99125-redi-sleeve)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-05-04*