---
product_id: 267048105
title: "10121 SAE 75W-140 Synthetic Gear Oil/Transmission and Differential Lube - 1 Quart"
brand: "lucas oil"
price: "¥12085"
currency: JPY
in_stock: true
category: "Lucas Oil"
url: https://www.desertcart.jp/products/267048105-10121-sae-75w-140-synthetic-gear-oil-transmission-and-differential
store_origin: JP
region: Japan
---

# Noise reduction tech Super-slick lubrication High-temp stability 10121 SAE 75W-140 Synthetic Gear Oil/Transmission and Differential Lube - 1 Quart

**Brand:** lucas oil
**Price:** ¥12085
**Availability:** ✅ In Stock

## Summary

> ⚙️ Keep your gears cool, quiet, and unstoppable with Lucas Oil Synthetic Gear Oil!

## Quick Answers

- **What is this?** 10121 SAE 75W-140 Synthetic Gear Oil/Transmission and Differential Lube - 1 Quart by lucas oil
- **How much does it cost?** ¥12085 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/267048105-10121-sae-75w-140-synthetic-gear-oil-transmission-and-differential)

## Best For

- lucas oil enthusiasts

## Why This Product

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

## Key Features

- • **Quiet Ride Guaranteed:** Special additive package minimizes gear noise and vibration, giving you a smoother, more refined driving experience.
- • **Engineered for Extreme Heat:** Maintains peak performance even under intense temperatures, ensuring your gears never overheat.
- • **Affordable Premium Protection:** Top-tier synthetic gear oil without the premium price tag—because your ride deserves the best without breaking the bank.
- • **Ultra-Slick Synthetic Formula:** Delivers long-lasting lubrication that reduces wear and extends gear life for heavy-duty and high-performance vehicles.
- • **Optimized for Limited Slip Differentials:** Formulated to excel in limited slip setups, preventing chatter and enhancing traction when it matters most.

## Overview

Lucas Oil 10121 SAE 75W-140 Synthetic Gear Oil is a high-performance, synthetic lubricant designed for transmissions and differentials, especially limited slip types. It features advanced additives that reduce gear noise, extend bearing life, and maintain viscosity under extreme temperatures. This 1-quart bottle offers an affordable yet premium solution trusted by automotive enthusiasts for long-lasting protection and smooth operation.

## Description

Lucas Pure Synthetic Gear Oils are super-slick, long lasting lubricants designed especially for heavy duty or high performance applications where regular gear lubricants just aren't good enough. They contain a special additive package that increases lubricity and insures less gear noise and longer bearing life. Designed to stand up to high temperatures without losing its lubricity. Excellent for use in limited slip differentials.

## Features

- Cools and quiets
- High performance
- AFFORDABLE SOLUTIONS
- Super-slick long lasting lubricant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000BCKWVE |
| Best Sellers Rank | #20,696 in Automotive ( See Top 100 in Automotive ) #336 in Automotive Oils |
| Brand Name | Lucas Oil |
| Container Type | Bottle |
| Customer Reviews | 4.8 4.8 out of 5 stars (743) |
| Global Trade Identification Number | 00049807101213, 10049807101210 |
| Included Components | 1x 1 Quart Bottle |
| Item Form | Oil |
| Item Type Name | gear oil |
| Item Weight | 2.03 Pounds |
| Liquid Volume | 1 Quarts |
| Manufacturer | Lucas Oil |
| Material | Blend |
| Model Number | LUC10121 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Interchange Info | 10121 |
| Part Number | LUCA10121 |
| Recommended Uses For Product | Automotive |
| SAE J300 Viscosity Grade | 75W-140 |
| Specific Uses For Product | High performance transmissions |
| UPC | 049807801212 049807401214 |
| Unit Count | 32 Milliliters |
| Upper Temperature Rating | 1 Kelvin |
| Viscosity | 75W-140 |

## Product Details

- **Brand:** Lucas Oil
- **Item weight:** 2.03 Pounds
- **Liquid volume:** 1 Quarts
- **Material:** Blend
- **Package information:** Bottle

## Images

![10121 SAE 75W-140 Synthetic Gear Oil/Transmission and Differential Lube - 1 Quart - Image 1](https://m.media-amazon.com/images/I/61gA8zEIi4L.jpg)

## Questions & Answers

**Q: so this can be used in rear axle and also in gear box? is that right ?**
A: I used it in the rear axle (which technically contains gears). You cannot use this in the transmission

**Q: Can use in worm gear saw?**
A: Can you be more specific to your use of the oil? Are you wanting to use to lubricant the tool? Or to use as a cutting lubricant?

**Q: Is this okay to use on a regular differential(non limited slip)?**
A: I believe so.

**Q: Can this be used on Differential 2021 toyota corolla manual??**
A: Yes

## Frequently Bought Together

- Lucas Oil 10121 SAE 75W-140 Synthetic Gear Oil/Transmission and Differential Lube - 1 Quart
- Lucas Oil 10047 SAE 75W-90 Synthetic Gear Oil/Transmission and Differential Lube - 1 Quart
- Lucas Oil 10122 Synthetic SAE 75W-140 Gear Oil - 1 Gallon

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**Shop now:** [https://www.desertcart.jp/products/267048105-10121-sae-75w-140-synthetic-gear-oil-transmission-and-differential](https://www.desertcart.jp/products/267048105-10121-sae-75w-140-synthetic-gear-oil-transmission-and-differential)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-30*