---
product_id: 318500362
title: "1816 Differential Gear Repair, 16.9 oz, Case of 4"
brand: "bar's leaks"
price: "R3721"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/318500362-1816-differential-gear-repair-16-9-oz-case-of-4
store_origin: ZA
region: South Africa
---

# Boosts gear oil performance Stops pinion & axle seal leaks Anti-wear & anti-corrosion protection 1816 Differential Gear Repair, 16.9 oz, Case of 4

**Brand:** bar's leaks
**Price:** R3721
**Availability:** ✅ In Stock

## Summary

> 🛠️ Fix leaks, silence noise, and drive with confidence!

## Quick Answers

- **What is this?** 1816 Differential Gear Repair, 16.9 oz, Case of 4 by bar's leaks
- **How much does it cost?** R3721 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/318500362-1816-differential-gear-repair-16-9-oz-case-of-4)

## Best For

- bar's leaks enthusiasts

## Why This Product

- Trusted bar's leaks brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Noise Ninja:** Reduces grinding, whining, and clunking for a smoother drive experience.
- • **Made in the USA:** Trusted quality crafted for heavy-duty, marine, agricultural, and industrial use.
- • **Gearbox Guardian:** Compatible with all GL-4, GL-5, MT-1 gear oils for versatile protection.
- • **Durability Booster:** Anti-wear and anti-corrosion agents extend your differential’s lifespan.
- • **Leak-Proof Confidence:** Seals pinion, axle, output shaft leaks to keep your ride flawless.

## Overview

Bar's Leaks 1816 Differential Gear Repair is a powerful additive designed to stop seal leaks in pinion, axle, and output shafts. Compatible with all major gear oil grades, it enhances gear performance by reducing noise and wear while providing anti-corrosion protection. Ideal for automotive, heavy-duty, marine, and industrial applications, this USA-made formula extends the life of your differential and gearbox systems.

## Description

Bar’s Leaks Axle & Differential Gear Repair is a treatment additive for use with automotive, heavy duty, agricultural, marine and industrial gear oils. Designed to mix with all synthetic and conventional petroleum GL-4, GL-5, MT-1 gear oil / lube grades including 75W-90, 80W-90, 75W-140, 85W-140 and all others. Extends system life by stopping leaks, reducing noise and improving gear performance. Superior anti-wear, anti-foam and anti-corrosion protection. Works in all manual gearboxes, differentials, open & posi axles and more. Stops pinion, axle, output shaft and other seal leaks. Reduces grinding, whining, clunking and protects gears.

## Features

- STOPS PINION, AXLE, OUTPUT SHAFT AND OTHER SEAL LEAKS: This is a treatment additive for use with automotive, heavy duty, agricultural, marine and industrial gear oils.
- ANTI-WEAR AW AGENTS: Superior anti-wear, anti-foam and anti-corrosion protection.
- SEAL CONDITIONER: Extends system life by stopping leaks, reducing noise and improving gear performance.
- PERFORMANCE ADDITIVE BOOSTER: Designed to mix with all synthetic and conventional petroleum GL-4, GL-5, MT-1 gear oil / lube grades including 75W-90, 80W-90, 75W-140, 85W-140 and all others.
- MANUFACTURED IN THE USA: This product works in all manual gearboxes, differentials, open & posi axles and more. Stops pinion, axle, output shaft and other seal leaks. Reduces grinding, whining, clunking and protects gears.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Bar's Leaks |
| Brand | Bar's Leaks |
| Model | Differential Gear Repair |
| Package Dimensions | 24.21 x 18.59 x 11.4 cm; 479.11 g |
| Item model number | 1816-4PK |
| Manufacturer part number | 1816-4PK |
| Item Weight | 478 g |
| Viscosity | 75W-90, 80W-90, 75W-140, 85W-140 (depending on the mixed lubricant) |

## Product Details

- **Material:** Synthetic
- **Brand:** Bar's Leaks
- **Package information:** Bottle
- **Liquid volume:** 16.9 Fluid Ounces
- **Item weight:** 16.9 Ounces

## Images

![1816 Differential Gear Repair, 16.9 oz, Case of 4 - Image 1](https://m.media-amazon.com/images/I/71p9XxQkSsL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Bar's Leaks 1816 Differential Gear Repair, 16.9 oz, Case of 4
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- Bar's Leaks OS-1-4PK Seal Engine Oil Burning/Leak Repair - 16.9 oz, (Pack of 4)

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**Shop now:** [https://www.desertcart.co.za/products/318500362-1816-differential-gear-repair-16-9-oz-case-of-4](https://www.desertcart.co.za/products/318500362-1816-differential-gear-repair-16-9-oz-case-of-4)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-01-24*