Triax Synergy Gear MAX 75W-90 GL-5 Limited Slip, Ultra Long Drain 500k Miles, Manual Transmission, Gear/Differential Lubricant (1 Gallon)







Key features
- •EXTREME DRAIN INTERVALS - 500,000 miles for heavy duty trucks and passenger cars. 750,000 miles for Class 8 highway trucks.
- •PROFESSIONAL GRADE: Unrivaled shear stability and longevity. Meets and exceeds API GL-5 and Limited Slip requirements and a very wide range of specifications across multiple OEMs.
- •EXCELLENT WEAR CONTROL - Up to 62% less wear vs OEM Specifications across various standards. EXCEPTIONAL LOAD BEARING CAPACITY - Exceeds the highest load test rating, Stage 14.
- •WIDE RANGE OF APPLICATIONS - Hypoid and Ring Gears, Differentials, Limited Slip - Heavy Duty Highway, Passenger Cars, Heavy Duty Off-Road, Racing / Drifting. Will not shear under extreme torque. Features exceptional power transfer under extreme conditions.
- •GREATLY EXCEEDS EP AND AW TESTS FZG AND L-37 - Proven protection far beyond spec requirements, delivers excellent EP (extreme pressure) and AW (anti-wear) performance in a wide range of LS and NON-LS gear systems, with hypoid and other gears.
Triax Synergy Gear MAX 75W-90 GL-5 Limited Slip, Ultra Long Drain 500k Miles, Manual Transmission, Gear/Differential Lubricant (1 Gallon)
List Price: $69.07$62.16DEALYou Save: $6.91 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 25, 2026In Stock (2)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
Customer Reviews
Reviews sourced from verified Amazon purchasers4.8
out of 5
Based on 10 reviews
5★
70%
4★
30%
3★
0%
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AUTOT-1777✓ Verified Purchase•September 11, 2023
Nothing bad to say. This is my second transfer case and rear diff. service on my own vehicle, same brand and weight. No issue and I would recommend to anyone.
Good price for a case of synthetic
Amazon Customer✓ Verified Purchase•September 7, 2023
Used in in my 01 Tacoma 5 speed except rear diff which called for 80w90. Used Amsoil for that. Rest of the truck calls for GL4 or GL5 so I'm guessing it safe to use the the transmission. Toyota techs told me GL5 would be okay. Only complaint I have is the wide mouth bottles still can be a little messy even with the pump. Really liked Amsoil's squeeze pouch packs much better but you also pay a premium for it.
Limited Slip
Mike✓ Verified Purchase•August 25, 2023
I needed gear oil for a limited slip differential and this said it was LSD compatible. I was not sure if I would need to add any friction modifier to it but did anyway. Not much info on the bottle other than boasting it lasts 500K miles. Not sure about that but it works for now and most people will never be able to put it to the 500k test
WORKS WELL
Fang Wen✓ Verified Purchase•August 17, 2023
Enough for Forester front and rear differential. So far so good, hopefully this can last the rest of car's life.
Great gear oil and doens't stink as bad as others
Montana5✓ Verified Purchase•August 9, 2023
I use this in my truck rear and front differentials as well as AWD differential that calls for the weight. I am not sure I would use this for life (given my consumer vehicles which 500K would amount to) will stick to my normal change intervals, but I have been using this for years and been very pleased and do not worry if I miss the interval by quite a bit. Furthermore, it does not have the strong sulfur odor that many gear oils have which makes it more pleasant to change.
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