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🛠️ Fix leaks, silence noise, and drive with confidence!
Bar's Leaks Axle and Differential Gear Repair is a premium synthetic additive designed to stop leaks in pinion, axle, and output shaft seals. Compatible with all major gear oil grades (GL-4, GL-5, MT-1), it reduces gear noise and wear while extending the life of your drivetrain. Ideal for automotive, heavy-duty, marine, and industrial applications, this USA-made formula ensures superior anti-wear, anti-foam, and anti-corrosion protection for a smoother, quieter ride.




| ASIN | B0869GRFC7 |
| Best Sellers Rank | #41,070 in Automotive ( See Top 100 in Automotive ) #625 in Automotive Oils |
| Brand Name | Bar's Leaks |
| Container Type | Bottle |
| Country of Origin | USA |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,068) |
| Included Components | Bar's Leaks Differential Gear Repair |
| Item Form | Liquid |
| Item Type Name | Bar's Leaks Axle and Differential Gear Repair |
| Item Weight | 16.9 Ounces |
| Liquid Volume | 16.9 Fluid Ounces |
| Manufacturer | Bar's Leaks |
| Material | Synthetic |
| Model Number | 1816 |
| Number of Items | 1 |
| Part Number | 1816 |
| Recommended Uses For Product | Anti-Friction |
| Specific Uses For Product | Gear Maintenance and Repair |
| UPC | 046087018163 |
| Unit Count | 16.9 Fluid Ounces |
| Viscosity | 75W-90, 80W-90, 75W-140, 85W-140 |
| Warranty Description | Please see manufacturer |
V**V
Working perfectly fastly
Hello it's worked.bars gear repair high viscosity oil filled in jeep liberty rear wheel differential housing due to abnormal sound while turning especially. Value for money.
V**.
Awesome product. Mixed with 75w-90 and with 75w-140... Great!
Very recommend this item. I mixed with all my liquid for both differentials (front and rear) . Work quite! I like it! next time order more
M**A
Quality
Useless
I**V
I had a very small oil leak from the gearbox, about 4-5 drops per day. First I tried Xado stop gearbox leak - no effect, then I tried Lique molly stop gearbox leak - the leak decreased, but 2-3 drops remained per day. Now I changed the oil with new one and put this Bars additive. After 2 days of driving the leak stopped, there is not a single drop on my garage floor! So this works, and the gearbox shifts better. I am satisfied!
P**A
We had our pickup truck a small oil leak at the rear differential. It was making a mess on our driveway. After driving around 300 Km......no more oil drips!! I recommend this product!
A**R
Yes i liked it & i used it on my 1955 Buick Century.
S**Z
وصل المنتج كما طلبت والتغليف ممتاز والوصول في الوقت المحدد ، وتحت التجربه واثق في هذه الشركه ومتأكد ان منتجاتها ذات فعاليه
K**N
This is amazing stuff. I’m impressed. Had a leak on my 2013 Jeep Rubicon rear Dana 44 sealed it up almost immediately it was just barely weeping, but it is totally dry now. Left rear seal pretty good stuff.
Trustpilot
1 month ago
3 weeks ago