DUCKHAMS QX 7 10W-30
Semi-synthetic engine oil for diesel engines, API CI-4/SL. Oil change labor included in store.
Duckhams QX 7 10W-30 is a semi-synthetic common-rail diesel engine oil with Duckhams' own additive technology, for common-rail diesels with EGR and heavy-duty use. The maker says it meets API CI-4.
Common-rail diesels with EGR, pickups and heavy-duty diesels that call for 10W-30 and API CI-4 or an earlier category.
| Viscosity | SAE 10W-30 |
| Oil type | Semi-synthetic |
| Standards | API CI-4/SL |
| Engine | Diesel |
| Change interval (our guideline) | 7,000 km or 6 months, whichever comes first |
| Pack sizes | 1 L · 6 L |
Oil change in store
5 storesEngine oil prices include the oil change at any of our 5 Subphaisal stores.
Home delivery nationwide
ShippingArrives in 2–7 days
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No deposit — reserve online and we hold your order for 7 days. Pay at the store on the day of your oil change.
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QX 7 10W-30 FAQ
What vehicles is Duckhams QX 7 10W-30 for?
Diesel engines that call for 10W-30. The maker says it suits common-rail diesels with EGR and heavy-duty use where engine durability matters.
How often should I change Duckhams QX 7 10W-30?
We recommend every 7,000 km or 6 months, whichever comes first. If your owner's manual says sooner, follow the manual.
What does API CI-4 mean?
API CI-4 is an American Petroleum Institute diesel oil standard for high-speed four-stroke engines with exhaust gas recirculation (EGR), focused on soot control and wear protection.
How is QX 7 different from QX 8 and QX 9?
QX 7 10W-30 is a semi-synthetic API CI-4 oil. QX 8 5W-30 and QX 9 5W-30 are 100% fully synthetic: QX 8 is rated ACEA A3/B4, and QX 9 is rated API CK-4 and ACEA E9 for engines with a DPF. Follow the grade and standard in your manual.
Does the price include the oil change?
Yes. The price includes the oil change at any of our 5 Subphaisal branches, or free shipping nationwide at the same price.
