- 37% more cleaning power1 to help keep your engine running smoother, longer.
- Protects against LSPI
- 20,000 miles of guaranteed protection between changes2
1Compared to AMSOIL OE Synthetic Motor Oil.
2Normal Service – Up to 20,000 miles (32,000 km) or one year, whichever comes first, in personal vehicles not operating under severe service.
Product Overview
AMSOIL Extended-Life 100% Synthetic Motor Oil is overbuilt for road warriors so you can confidently drive up to 20,000 miles or one year,2 whichever comes first, between oil changes. A proprietary combination of advanced synthetic base oils and a boosted additive package promotes cleanliness and prolonged engine life. AMSOIL Extended-Life protection delivers peace of mind and convenience.
RESISTS OIL BREAKDOWN
- Maintains viscosity under the most extreme conditions.
- Reduces excessive oil consumption, engine deposits, accelerated wear and difficult cold starts.
PROTECTS PISTONS FROM LOW-SPEED PRE-IGNITION
- Features unique chemistry proven to protect your engine against harmful effects of low-speed pre-ignition (LSPI).
KEEPS ENGINES CLEAN
- Fortified with detergent and dispersant additives.
- Boosted additive package effectively neutralizes acids and resists sludge, corrosion and carbon deposits.
REDUCES MAINTAINENCE
- Outstanding protection benefits motorists, business owners and fleet managers.
- Extended-drain intervals reduce expensive, time-consuming and inconvenient oil changes.
- Extended drain intervals up to 20,000 miles or one year,2 if you choose, allowing you to change oil on your schedule, reduce maintenance, save money and reduce waste oil.
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Product information checked: September 2026. Product formulations, specifications, applications, availability and published claims can change.
For the latest official information, consult the AMSOIL Corproate Website.
