Power Service Diesel 911 26 Ounce Pack of 12 - Winter Fuel Rescue

In this review of Power Service Diesel 911 the bottom line is simple: this is a targeted emergency product for diesel operators who face winter fuel gelling and frozen filters. The reviewer found it most useful when an engine would not start or was starved for fuel because the diesel had gelled or a filter iced up. Diesel 911 is not a preventive treatment but a rescue formula that reliquefies gelled fuel, de-ices filters and restores flow quickly, so carry it as a winter emergency aid rather than a year-round additive.

Key Features

• Reliquefies gelled fuel: Restores flow by breaking up gelled diesel so engines can start without fuel system repairs in many cold-weather emergencies.
• De-ices frozen filters: Thaws and clears frozen fuel-filters to allow fuel to pass to the pump and injectors, reducing downtime.
• Removes water and prevents fuel-filter icing: Helps separate or disperse small amounts of water that cause filter icing and fuel flow interruption.
• Contains Slickdiesel Lubricator: Adds lubrication to protect fuel pumps and injectors that can suffer increased wear when operating with degraded fuel.
• Compatible with preventive treatment: Can be used at the same time as Diesel Fuel Supplement +Cetane Boost for combined emergency and preventive action in a single tank.

Who It's For

This product is best for diesel vehicle owners, fleet managers and operators who travel through or store equipment in freezing conditions and need a dependable winter emergency treatment. It is intended for situations where fuel has already gelled or a fuel-filter has iced and an immediate remedy is required to restore engine operation.

Those who want a year-round anti-gel or cetane-boosting preventative should look instead at the Diesel Fuel Supplement +Cetane Boost (the preventive white bottle mentioned by the brand). Diesel 911 is explicitly a rescue product, not a routine anti-gel maintenance additive.

Pros & Cons

Pros

• Effectively reliquefies gelled diesel, allowing many engines to start without draining tanks.
• De-ices frozen fuel-filters to restore fuel flow quickly, cutting potential towing or repair delays.
• Includes a lubricator to help protect fuel pumps and injectors from wear associated with degraded fuel.

Cons

• Not intended as a preventive treatment for gelling; users must buy a separate preventive product for cold storage or continuous protection.

Specifications

Our Verdict

Power Service Diesel 911 is a focused winter rescue additive that delivers real value to drivers and fleets who need a fast fix for gelled fuel or frozen filters. It is not a substitute for preventive treatment, but as an emergency product it reduces downtime and protects fuel-system components, making it a sensible purchase for anyone who stores or operates diesel equipment in freezing conditions.

Frequently Asked Questions

Can Diesel 911 be used with other additives?
Yes. The formula is compatible with the Diesel Fuel Supplement +Cetane Boost preventive product and may be used at the same time in diesel fuel.

Is Diesel 911 a preventive anti-gel?
No. Diesel 911 is designed as a winter emergency rescue product to reliquefy gelled fuel and de-ice frozen filters; use the Diesel Fuel Supplement +Cetane Boost for prevention.

Will it protect fuel pumps and injectors?
Diesel 911 contains Slickdiesel Lubricator to help protect pumps and injectors from increased wear when running degraded or treated fuel.