Product details
Comma HMG1L EP 85W-140 1L Gear Oil – Tough as Nails Protection for Your Gearbox
If you’re on the lookout for a reliable bit of kit to keep your manual gearbox ticking over nicely, the Comma HMG1L EP 85W-140 is definitely worth a gander. It’s a mineral-based oil crafted to handle the heavy-duty demands of manual transmissions. Whether you’re pottering about town or facing trickier driving conditions, this stuff steps up to cut down wear and tear, keeping your gears shifting smoothly without any faff.
What makes this gear oil the bee’s knees?
For starters, it’s got an EP (extreme pressure) rating of 85W-140, meaning it can take a proper pounding without throwing in the towel. That’s a real boon if your gearbox takes a fair bit of stick. Plus, because it’s mineral-based, it’s a perfect match for older motors and classic cars that specifically call for mineral oils rather than synthetics.
Who’s this for, then?
If your car or vehicle needs mineral gear oil in its transmission or differential, this 1-litre bottle is spot on. Ideal for your regular maintenance or oil changes, it keeps gearbox parts well-lubricated, shields against rust and corrosion, and helps everything run like clockwork.
A trusted name you can rely on
Comma’s been around the block since 1965, starting out as a modest UK oil blender with a passion for performance. Over the years, they’ve earned the trust of mechanics and enthusiasts alike and now distribute worldwide. You can really see their know-how shining through in this gear oil, which strikes a great balance between quality and bang for your buck.
Why bother with the right gear oil?
Slapping in the wrong gear oil—or something poor quality—can lead to noisy gears, clunky shifts, or worse, a gearbox that gives up early. This Comma oil helps you dodge those nightmares by offering the right viscosity and additives to protect your synchronisers and gears, especially when the going gets tough. No messing about or complicated setups—just pour it in during your usual oil change and you’re all set.
Wondering if it works for automatic or other transmission types? It’s tailor-made for manual gearboxes and differentials needing mineral oil, so best to double-check your vehicle’s handbook before making the swap. But if it’s a match, you’re in for solid, dependable performance and a bit of peace of mind on the road.


