Gear oil

Owner reviews for gear oil

Manufacturers
VALVOLINE Gear oil

Valvoline has their hypoids available in handy-dandy squeeze to dispense bags that let you fill the case up without spilling anything.

Pros: handy squeeze to dispense bags
Cons: oil is oil
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MOTUL Gear oil

Brakes are genuinely impressive for this segment. Only real issue I faced was chain wear — once you start maintaining it, it improves. I lube mine with 2T gear oil, works surprisingly well. Used Motul for most services, but the last one was with Prolube and the bike feels a bit rougher since then.

Pros: impressive brakes
Cons: chain wear, rougher with Prolube
Mileage: 12000 km
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AMSOIL Gear oil

Amsoil severe gear lasted until ~3200 km, but it started again, but much slower progression.

Pros: lasted until 3200 km
Cons: issue started again
Mileage: 3200 km
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Mobil Gear oil
chrmcc
  • Noise:
Rating 2.0

I replaced the gear oil in my 99 6-speed w/LSD using Mobil Delvac 75w90 about 300 miles ago and it seems notchier than before, especially before it’s warmed up.

Cons: notchier than before
Vehicle: Porsche 911
Mileage: 300 km
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Owner reviews for gear oil

As of March 2026, PartReview has 106 reviews across 24 manufacturers for gear oil. 6 of them have enough reviews to participate in the ranking of this part.

Popular manufacturers of gear oil

The most popular manufacturers of gear oil on PartReview include:

  1. RED LINE - 36 reviews. PR Score: 80, average rating: 4.1.
  2. AMSOIL - 13 reviews. PR Score: 95, average rating: 4.6.
  3. MOTUL - 10 reviews. PR Score: 100, average rating: 4.8.
  4. VALVOLINE - 8 reviews. PR Score: not available yet, average rating: 4.8.
  5. Mobil - 6 reviews. PR Score: not available yet, average rating: 3.5.

Most opinions about performance and characteristics of gear oil are collected on these pages.

Top manufacturers of gear oil

There are enough reviews to build a ranking. Top manufacturers of gear oil:

  1. RED LINE - 80% positive votes. Balance: +69 votes
  2. AMSOIL - 95% positive votes. Balance: +36 votes
  3. MOTUL - 100% positive votes. Balance: +30 votes

Comparisons of gear oil manufacturers

As they say, everything is known in comparison — including gear oil. On PartReview you can see which is better:

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