Product details
Liqui Moly WOL 1042 Gearbox Oil Leak Stop – 50ml Additive for Manual Gearboxes
Noticed some pesky oil spots under your motor or reckon your gearbox might be leaking? This little gem, Liqui Moly’s WOL 1042 Gearbox Oil Leak Stop, could well be just the ticket. It’s specially crafted to breathe new life into those rubber and plastic seals in your transmission – you know, the shaft seals and such – that tend to perish and start leaking over time. It’s a handy fix because oil leaks aren’t just a faff to clean up; if ignored, they can snowball into proper gearbox headaches.
But here’s the clever bit – this additive doesn’t just tackle leaks. It also shields your clutch from getting mucked up by oil. Oil contamination can cause the clutch to slip or engage poorly, which nobody wants when you’re out on the road. By using this stuff, you keep your gearbox well-lubricated and avoid damage caused by low oil levels. It’s mainly geared towards manual gearboxes, power take-off units, and diffs, so if your ride ticks any of those boxes, it’s worth a go.
What’s it good for?
If you’re fed up with seeing oil drips and fretting over your clutch’s health, this additive is dead easy to use. Just pour it into your gearbox oil, and it gets cracking by swelling the seals back to their prime, plugging those leaks. One thing to keep in mind, though: it’s not for DSG or automatic transmissions, nor for motorbikes with wet clutches – so best leave it well alone in those cases.
Using Liqui Moly WOL 1042 can save you the hassle and expense of more serious gearbox repairs caused by oil loss and poor lubrication. Think of it as a bit of insurance for your transmission – improving reliability and sparing you the bother of fiddly fixes down the line. Just be sure to double-check your vehicle’s compatibility and follow the dosage instructions on the bottle for top-notch results.
Technical details
- Made by Liqui Moly under the WOL brand
- Model number: 1042
- Comes in a neat 50ml bottle – enough to treat several litres of gearbox oil
- Designed to be added during or after an oil change
- Works by restoring seal elasticity to prevent oil leaks
- Protects clutch from oil contamination and guards against transmission damage
So, if your gearbox is playing up with leaks or clutch issues caused by oil contamination, this Liqui Moly additive might be the simple, effective fix you’ve been after. No more worrying about oil stains on the driveway or premature gearbox wear – just a smoother, more dependable drive every time.

