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Truck & SUV Endurance
Gumout® Truck & SUV Endurance is built for the tougher demands of larger engines, delivering complete fuel system care in one advanced formula. It cleans, protects, and lubricates to keep your vehicle running stronger for longer.
Each treatment fights carbon buildup on injectors and intake valves to restore lost power and responsiveness. It’s engineered to improve fuel economy while boosting horsepower and torque—whether you’re towing, hauling, or cruising. An advanced upper‑cylinder lubricant reduces friction and wear to help extend engine life.
Compatible with all unleaded, oxygenated, and reformulated fuels, it works in standard, capless, and obstructed tanks. Safe for oxygen sensors and catalytic converters.
- Cleans injectors and intake valves
- Improves fuel economy and power
- Reduces friction and engine wear
- Safe for all gasoline and fuel systems
- One bottle treats up to 32 gallons
- Use every 3,000 miles
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What it Does
Information
| Size | US Item # | CAN Item # | SDS Doc |
|---|---|---|---|
| 10oz | 510397, 510397w | N/A | |US |
Directions
- 510397, 510397w - 10oz
Add entire bottle to nearly empty gasoline tank. Refill tank with up to 32 gallons of gasoline. Do not refill tank until near empty. This product will not harm catalytic converters or oxygen sensors. Can be used with all unleaded, oxygenated and reformulated gasolines as well as other Gumout® fuel additives.
MAINTENANCE & PREVENTION
If you have a car, it can be tempting just to ignore any type of maintenance unless something goes wrong. We probably don’t have to tell you that this is a bad idea. However, not everyone agrees on what preventive maintenance is, what you should do and when you should do it. Let’s clear that up, and give you some tips that’ll apply to any vehicle.
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