Guides
Tyre sealant guides
Straight answers on dosing, fitting and running tyre sealant — from tractors and vans to trucks and mining haulers.
Can you use tyre sealant in tyres with inner tubes?OKO Off-Road works in inner tubes as well as tubeless tyres; the road formulas are tubeless only. Which formula suits tubes, and when to go tubeless.Read the guide
Mining and OTR tyres: how sealant prevents haul-truck downtimeOKO Mining seals OTR tread punctures up to 20mm as machines work. Normal and Severe doses by tyre size, pump settings, and where Lifelong fits in.Read the guide
Cutting puncture downtime in truck and bus fleetsOKO Truck & Bus seals tread punctures up to 8mm as the vehicle drives. Doses for 22.5-inch tyres, how long it lasts and a step-by-step fleet rollout.Read the guide
Tyre sealant for 4x4s, vans, motorhomes and caravansOKO 4x4 & Van seals tread punctures up to 5mm in tubeless tyres on vehicles under 5 tonnes. Which tyres, rims and TPMS it suits, doses and fitting.Read the guide
Tyre sealant for motorcycle tyres: what you need to knowOKO On-Road Motorcycle seals tread punctures up to 5mm while you ride, in tubeless road tyres at up to 130 km/h. Doses, fitting and what it will not do.Read the guide
Does tyre sealant freeze? Using it in winterEvery OKO formula has its own freezing point, from -8 °C for Off-Road to -30 °C for Truck & Bus. Here is how to choose and store sealant for cold-weather...Read the guide
Does tyre sealant damage rims or TPMS sensors?Whether OKO sealant is safe for steel and alloy rims, which TPMS systems it works with, and what it means for balancing and retreading.Read the guide
How long does tyre sealant last in a tyre?Why OKO stays liquid for the life of the tyre, how long each formula lasts, when long-haul trucks need a top-up, and how to store it.Read the guide
Preventive tyre sealant vs puncture repair: what's the difference?How preventive sealant differs from plugs, aerosols and vulcanised repairs, what the strength tests show, and where sealant reaches its limits.Read the guide
How to put tyre sealant in a tyre: bottle, injector or drum pumpStep-by-step instructions for adding OKO sealant through the valve with the bottle, the 150ml injector or the 25 litre drum pump.Read the guide
How to read a tyre size (and why it matters for sealant)Decode metric, older-style, truck, OTR and motorcycle tyre sizes, and see why width, profile and rim all change your sealant dose.Read the guide
How much tyre sealant does a tractor tyre need?Standard OKO Off-Road doses for common tractor tyre sizes, how the dose scales with width and rim, and how much sealant to buy.Read the guide
Know your tyre size? Get the exact dose.
Pick your formula, enter one tyre size and the calculator gives the dose per tyre and the packs to order.