Note: Today we're shipping orders for in-stock items placed Nov 22.

PRI-D Diesel Fuel Stabilizer

SKU: GD728 Shop more Power Research, Inc. items
$21.95 - $32.95
In Stock Usually ships in 2-4 business days.
click for
This item ships free! Your order could ship free!

Why Buy from PHG?

  • Quality, curated product selection
  • Prompt, personal customer service
  • 100% satisfaction guarantee
Accepted credit cards
Canadian orders by phone!Canadian orders by phone
  • Keeps diesel or kerosene refinery-fresh for years
  • Enhanced lubricity
  • Contains no alcohol
  • Guards against fuel pump wear
  • Removes slime and sludge from fuel system
  • Prevents carbon build-up in all engines
  • Easy-measure calibrated dispensing bottle


PRI-D Diesel Fuel Stabilizer

Unstabilized diesel fuel has a very short storage life. The best part of the fuel rapidly evaporates, and what's left degrades into a substance that can quickly gum up fuel injectors, valves, sensors, filters and other components, reducing performance and eventually causing complete machine failure.

PRI fuel stabilizer dramatically extends diesel fuel storage life, and enhances overall performance. PRI is an industrial grade product and is far more concentrated than competing brands. The higher concentration level of PRI allows much better distribution efficiencies, which means your cost per treated gallon is much lower with PRI. The pint container treats 256 gallons of diesel, and the quart container treats 512 gallons.

Routine usage: It pays to treat all your fuel with PRI. Whether it's for your backup generator, your vehicle, or seasonally-used machines like mowers, snow blowers, garden tillers and recreational vehicles, PRI makes it easy and economical to preserve the full value of your fuel, and keep your equipment running at peak performance and efficiency! We use PRI fuel treatment, and we recommend it highly to our customers.

  • “I've ordered from PHG for years and have received great service and extra fast delivery. My questions have been answered quickly and helpfully. You can have confidence in this company for honesty and service.”

    – Betty L., MI

Kerosene too: PRI-D works equally well to preserve the quality of stored kerosene (for long storage always start with K1 grade kerosene.)

PRI-D Benefits

  • Keeps diesel or kerosene refinery-fresh for years
  • Maintains carbon-free fuel injectors
  • Enhanced lubricity
  • Improves power output
  • Contains no alcohol
  • Protects O-rings and seals
  • Guards against fuel pump wear
  • Maintains carbon free fuel injectors
  • Reduces smoke and soot 20-to-60%
  • Removes slime and sludge from fuel system
  • Provides fuel economies of 6-to-15%
  • Improves power output and engine performance
  • Prevents carbon build-up in all engines
  • Extends engine overhaul intervals
  • Restores degraded fuels
  • Recommended by marine engine dealers
  • Reduces emissions
  • Easy-measure calibrated dispensing bottle
  • Unopened product has indefinite shelf life
  • Opened product has 3 year shelf life

Available in 16 oz. and 32 oz.

Did we forget something? If you need more information about this product, please tell us what else you'd like to know with a quick email or live chat!


Select product option(s) from the drop-down menu at top of page to see item-specific specifications here.

BrandPower Research, Inc.


Select product option(s) from the drop-down menu at top of page to see item-specific specifications here.


PHG provides product-giveaway sweepstakes entries to all submitters of reviews, a program which also accepts entries without purchase. Take advantage of this program for repeated opportunities to win great PHG products! Nature of review does not influence odds of winning. Full contest rules are available here. All reviews are by verified buyers.

See product description below.

Return to top
Back to top