--- product_id: 244026031 title: "1816 Differential Gear Repair, 16.9 oz, Case of 4" brand: "bar's leaks" price: "¥25908" currency: JPY in_stock: true category: "Bar's Leaks" url: https://www.desertcart.jp/products/244026031-1816-differential-gear-repair-16-9-oz-case-of-4 store_origin: JP region: Japan --- # Compatible with all GL-4, GL-5, MT-1 gear oils Stops leaks & protects gears from wear 16.9 oz per bottle, pack of 4 1816 Differential Gear Repair, 16.9 oz, Case of 4 **Brand:** bar's leaks **Price:** ¥25908 **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?** ¥25908 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/244026031-1816-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 - • **Leak-Stopping Power:** Seals pinion, axle, output shaft & more to keep your ride leak-free. - • **Extended Gearbox Life:** Anti-wear, anti-foam, and anti-corrosion agents protect and prolong your differential’s performance. - • **Noise & Wear Reduction:** Reduces grinding, whining, and clunking for a smoother, quieter drive. - • **Trusted American Quality:** Proudly made in the USA, engineered for automotive, heavy-duty, marine, and industrial use. - • **Universal Gear Oil Compatibility:** Works seamlessly with synthetic & conventional GL-4, GL-5, MT-1 oils including 75W-90 to 85W-140 grades. ## Overview Bar's Leaks Differential Gear Repair is a powerful additive designed to stop leaks in pinion, axle, and output shaft seals while reducing noise and wear. Compatible with all major gear oil types (GL-4, GL-5, MT-1) and viscosities from 75W-90 to 85W-140, it extends the life of manual gearboxes, differentials, and axles. Made in the USA, this 16.9 oz liquid treatment comes in a convenient 4-pack, delivering superior anti-wear, anti-foam, and anti-corrosion protection for automotive, heavy-duty, marine, and industrial applications. ## 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 | |---------------|-------| | ASIN | B0868XFGL1 | | Best Sellers Rank | #10,808 in Automotive ( See Top 100 in Automotive ) #259 in Engine & Oil Fluid Additives | | Brand Name | Bar's Leaks | | Container Type | Bottle | | Customer Reviews | 4.4 4.4 out of 5 stars (1,221) | | Global Trade Identification Number | 10046087018160 | | Included Components | Bar's Leaks Differential Gear Repair | | Item Form | Liquid | | Item Type Name | Bar's Leaks Differential Gear Repair, 16.9 oz, Pack of 4 | | Item Weight | 1.1 pounds | | Liquid Volume | 16.9 fluid ounces | | Manufacturer | Bar's Leaks | | Model Number | 1816-4PK | | Number of Items | 4 | | Number of Packs | 4 | | Part Number | 1816-4PK | | Recommended Uses For Product | Anti-Friction | | Unit Count | 4 Count | | Viscosity | 75W-90, 80W-90, 75W-140, 85W-140 (depending on the mixed lubricant) | | Warranty Description | Please see manufacturer | ## Product Details - **Brand:** Bar's Leaks - **Item Weight:** 1.1 pounds - **Liquid Volume:** 16.9 fluid ounces - **Package Information:** Bottle - **Recommended Uses For Product:** Anti-Friction ## 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 - Bar's Leaks Rear Main Seal Repair (Pack of 6) - Bar's Leaks OS-1-4PK Seal Engine Oil Burning/Leak Repair - 16.9 oz, (Pack of 4) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/244026031-1816-differential-gear-repair-16-9-oz-case-of-4](https://www.desertcart.jp/products/244026031-1816-differential-gear-repair-16-9-oz-case-of-4) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-19*