Gear 300 75w90 100 Percent Synthetic Gear Oil 1 Liter (105777)

Yeah it's pricey but I think this is pure synthetic gear oil with no friction modifiers. Better than the Mobil1 75w90. My proof is anecdotal at best, but I think as majority of the 75w90s include friction modifiers for limited slip diffs it sometimes leaves some strange symptoms, a little jerk in the rear diff at low speed, delay power when turning etc. At first glance the Motul 300 does not include any of those modifiers and it seems as a result, smoothening out those symptoms. Definitely pricey, and it's not like Mobil1 75w90 with those modifiers is unusable, it works well too, but this seems to be a little better.

This is my go to transmission and rear diff oil for my Subaru. I have heard great things about the Redline products but I have had consistent good results with Motul. I have also seen people recommend the Subaru Extra S. This seems like a good product but it is a bit difficult to get in the quart sizes. Motul Gear 300 is the perfect 75w90 for me. My 2001 RS takes 0.7 quarts in the rear diff and about 3.5 quarts in the transmission. After swapping the older black oil from my diff and transmission with this stuff, I am experiencing much smoother shifts and absolutely zero grinding of gears. All my shifts are smooth as butter. This stuff may seem a bit pricey, but if you really want to protect the gears in your ride you should really look into this stuff. Nothing but good things to say about it from me. I would recommend this to anyone who is looking into swapping their manual transmission or rear diff oil. This stuff lives up to its reputation. 9/2/14 EDIT: I would like to add that when doing the rear differential fluid, I had also purchased the PLEWS 55001 pump to pump the oil into the fill hole of the diff. Due to the special design of the Motul bottles, the pump DOES NOT screw onto the bottle. I ended up just holding it onto the bottle while I pumped it into the diff. It still works, however not perfectly. In my opinion, still worth the $6 I spent on the pump to make refilling the diff easier. I would also recommend giving this oil a bit more time to heat up. It is fantastic gear oil, however I have noticed it takes a minute or two for it to warm up and get that "extra buttery" feeling to it. This is perfectly fine since when it is warmed up, you will never want to use a different gear oil again. Still going strong over here..

Great product, arrived quickly.

Works like it should!

Item as described. Quick shipping

Well worth the money - it's been over 15,000 miles since I've used this product in a car I drive daily. Absolutely no problems whatsoever shifting now, after previously needing to replace the original smelly stuff the factory had in it, because of clunky shifting. I had my doubts that replacing a product like this would help so much, but it certainly works as well as I've been told. Professional quality, and it ships to me from France.

Highly Recommended

Works great. 2023 f150 rear diff.

The best oil I ever used for manual transmission.

My motorbike has very specific oil and maintenance requirements. This is one of the only oils that I can easily get, that fits the manufacturer's specifications. I've tried to get the oil from local motor factors, garages and motorbike superstores, but Amazon is the best value and most convenient supplier.

Conforme et bon prix

Worked great for my S4 manual. Had no issues, and gears felt smooth after changing oil

Habe vor dem Getriebeölwechsel sehr viel hin und her recheriert. Die einen schwören auf Castrol, einige gehen nach dem ersten Wechsel auf ein 75W90 nach ein paar tausend km wieder zurück auf das von Opel original verwendete ATF Automatikgetriebeöl. Alles sehr viel Input und an ende ist man doch sehr skeptisch bevor man einen Getriebeölwechsel durchführen möchte. Habe nun bei ziemlich genau 100.000km das erste mal das Getriebeöl bei meinem Corsa D OPC mit M32 Getriebe (2te Revesion!) gewechselt und mich für das Motul Gear 300 75W90 entschieden. Habe den Tipp aus einem Video von jemanden der diese Getriebe wieder instand setzt. Und was soll ich sagen der gute Herr wusste genau wovon er spricht! Öl ist mittlerweile 2000km drin und alle Gänge flutschen jetzt endlich so wie es schon immer hätte sein sollen! Bestes Beispiel ist immer noch: Kaltstart und direkt den Rückwärtsgang einlegen, mit dem original Öl - ein Glückspiel. Jetzt rutscht auch dieser einfach geschmeidig rein. Falls sich noch jemand dieses Öl für ein M32 Getriebe holen möchte: Opel gibt eine Füllmenge von 2,2L an, es verbleiben ca. 200ml des alten Öls im Getriebe! Wurde bei mir mit "durchspülen" auf ein Minimum reduziert. (Man muss ja sowieso 3L erwerben.) Das die Kontrollschraube laut Opel nicht rausgenommen werden darf ist humbug! Und folgendes habe ich grade noch zur Hand: 20nm Ablassschraube und 30nm Einfüllschraube. Ich bin so Überzeugt bei 150.000km kriegt er das gleiche Getriebeöl noch einmal. Sollte sich bei mir doch noch etwas unerwartetes Ergeben verspreche ich diese Bewertung abzuändern.