Keep a small kit to stop diesel gelling, protect injectors and pumps, and clean deposits so your truck starts and pulls strong.
Pack a deposit cleaner and cetane booster like Archoil AR6500/AR6400-D, a daily treatment such as Hot Shot’s Everyday, and a heavy-duty cleaner like Diesel Extreme.
Carry lubricity and cetane products from Power Service plus a winter antigel (Power Service or Hot Shot’s Winter Defense).
Add Howes for anti-gel and water control, follow label doses, and you’ll quickly learn which mixes suit your truck.
| Archoil Diesel Fuel System Kit (AR6500 + AR6400-D) |
| Comprehensive Treatment | Primary Function: Fuel system cleaning + treatment (injectors, turbo, DPF) | Cold‑weather/Anti‑gel Capability: Not specified as anti‑gel (focus is cleaning/treatment) | Cetane Boost: Yes — boosts cetane | VIEW LATEST PRICE | Read Our Analysis |
| Hot Shot’s Secret Everyday Diesel Treatment 1 Gallon |
| Daily Maintenance | Primary Function: Everyday diesel treatment (cetane boost, lubricity, clean) | Cold‑weather/Anti‑gel Capability: Not specifically an anti‑gel (everyday treatment) | Cetane Boost: Yes — up to ~7 points | VIEW LATEST PRICE | Read Our Analysis |
| Power Service Diesel Kleen +Cetane Boost – 12 Ounce (Pack of 9) |
| Injector Restorer | Primary Function: Injector cleaning + cetane boost (deposit control, lubrication) | Cold‑weather/Anti‑gel Capability: Not specified (focus on deposit control/lubricity) | Cetane Boost: Implied (named “+Cetane Boost”) / restorative performance | VIEW LATEST PRICE | Read Our Analysis |
| Power Service Diesel Fuel Supplement Antigel 64 oz. Pack of 1 |
| Cold-Weather Protection | Primary Function: Anti-gel / cold‑weather supplement (plus cetane & lubrication) | Cold‑weather/Anti‑gel Capability: Yes — anti‑gel / prevents gelling and filter icing | Cetane Boost: Yes — boosts cetane for faster cold starts | VIEW LATEST PRICE | Read Our Analysis |
| Hot Shot’s Secret Winter Defense Diesel Additive (1 gal) |
| Extreme Cold Guard | Primary Function: Winter anti‑gel + cetane boost (cold start, lubricity, cleaning) | Cold‑weather/Anti‑gel Capability: Yes — winter defense to prevent gelling and ice (down to -40°F) | Cetane Boost: Yes — boosts cetane by ~7 points | VIEW LATEST PRICE | Read Our Analysis |
| Power Service Diesel Fuel Supplement +Cetane Boost (6-Pack) |
| Fleet Ready | Primary Function: Anti-gel + cetane boost (cold protection, lubrication) | Cold‑weather/Anti‑gel Capability: Yes — anti‑gel / prevents gelling and filter icing | Cetane Boost: Yes — +Cetane Boost included | VIEW LATEST PRICE | Read Our Analysis |
| Hot Shot’s Secret Diesel Extreme Fuel System Cleaner |
| Deep Cleaner | Primary Function: Concentrated fuel system & injector cleaner (cetane boost, stabilizer) | Cold‑weather/Anti‑gel Capability: Not specifically anti‑gel (focused on cleaning, stabilizing, water dispersal) | Cetane Boost: Yes — increases cetane (up to ~7 points) | VIEW LATEST PRICE | Read Our Analysis |
| Howes Diesel Treat 32 oz Anti-Gel & Lubricator |
| Trusted Anti-Gel | Primary Function: Anti-gel & lubricator with deposit control | Cold‑weather/Anti‑gel Capability: Yes — anti‑gel protection for cold weather | Cetane Boost: Not explicitly quantified, but improves performance (primary claims focus on anti‑gel, lubricity; no explicit cetane number given) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Archoil Diesel Fuel System Kit (AR6500 + AR6400-D)
Should you own a diesel truck and want a simple, reliable way to clean the whole fuel system, the Archoil Diesel Fuel System Kit is a good fit for you. You get AR6500 treatment and AR6400-D cleaner that work together to remove deposits from injectors, turbo, and DPF while enhancing cetane. You’ll notice smoother performance and better MPG whenever you follow label dosing and safety steps. Know that AR6400-D won’t fix HEUI injector stiction, so you’d use AR9100 friction modifier for that specific issue. This kit gives balanced maintenance and peace of mind for regular care.
- Primary Function:Fuel system cleaning + treatment (injectors, turbo, DPF)
- Cold‑weather/Anti‑gel Capability:Not specified as anti‑gel (focus is cleaning/treatment)
- Cetane Boost:Yes — boosts cetane
- Lubricity / Wear Protection:Yes — protects injectors/turbo and restores components
- Water Management / Corrosion Control:Implied (restores components; cleaning may address deposits and moisture) — not explicitly detailed
- Fuel Compatibility (ULSD / Biodiesel):For diesel (general) — compatible with diesel fuel systems; no explicit biodiesel note
- Additional Feature:Combined treatment + cleaner
- Additional Feature:Restores injectors/turbo/DPF
- Additional Feature:Not for HEUI stiction
Hot Shot’s Secret Everyday Diesel Treatment 1 Gallon
In case you run a diesel truck for work or weekend excursions and want simple, reliable protection, Hot Shot’s Secret Everyday Diesel Treatment 1 Gallon is built for you because it keeps injectors clean and adds lubricity without extra fuss. You add a little at every fill-up, one or two ounces per 25 gallons, so dosing is quick and easy while you refuel. It raises cetane up to seven points, which helps acceleration and fuel economy. It also cleans injectors, prevents rust, removes water from fuel, and stabilizes diesel. You’ll see smoother starts, less wear, and longer engine life.
- Primary Function:Everyday diesel treatment (cetane boost, lubricity, clean)
- Cold‑weather/Anti‑gel Capability:Not specifically an anti‑gel (everyday treatment)
- Cetane Boost:Yes — up to ~7 points
- Lubricity / Wear Protection:Yes — enhances lubricity; protects pump and injectors
- Water Management / Corrosion Control:Yes — demulsifies moisture, prevents rust/corrosion, stabilizes fuel
- Fuel Compatibility (ULSD / Biodiesel):Compatible with diesel fuels (biodiesel compatibility implied)
- Additional Feature:Add every fill-up
- Additional Feature:Simple ounce-per-25gal dosing
- Additional Feature:Quality-checked formulation
Power Service Diesel Kleen +Cetane Boost – 12 Ounce (Pack of 9)
In case you want a simple way to bring back lost power and protect expensive parts, Power Service Diesel Kleen +Cetane Enhancement is made for truck owners who run long hours and depend on reliable starts. You’ll pour a 12 ounce bottle into your tank for routine maintenance, and the pack of nine keeps you stocked. It cleans injectors, removes internal and external deposits, and restores power and fuel economy. It works in HPCR systems and older engines, and with ULSD and biodiesel blends. It also adds Slickdiesel lubricator to protect pumps and injectors from wear caused from poor fuel.
- Primary Function:Injector cleaning + cetane boost (deposit control, lubrication)
- Cold‑weather/Anti‑gel Capability:Not specified (focus on deposit control/lubricity)
- Cetane Boost:Implied (named “+Cetane Boost”) / restorative performance
- Lubricity / Wear Protection:Yes — contains Slickdiesel Lubricator; protects pump/injectors
- Water Management / Corrosion Control:Compatible with biodiesel and ULSD; protects against wear (water demulsification not explicitly stated)
- Fuel Compatibility (ULSD / Biodiesel):Yes — works with ULSD, biodiesel, and blends
- Additional Feature:Pack of nine bottles
- Additional Feature:Slickdiesel lubricator included
- Additional Feature:Works with biodiesel blends
Power Service Diesel Fuel Supplement Antigel 64 oz. Pack of 1
Provided you drive a truck in cold weather and want a simple, reliable way to keep your engine running, Power Service Diesel Fuel Supplement Antigel is a solid choice for you. You’ll stop fuel gelling and avoid fuel-filter icing whenever temperatures drop. It also increases cetane so your engine starts faster and with less strain. Because it contains Slickdiesel Lubricator, you’ll protect fuel pumps and injectors from wear caused by low-lubricity ULSD fuel. It works with ULSD and biodiesel blends, so you don’t need different products. Use it as a supplement prior to cold stretches to keep things moving.
- Primary Function:Anti-gel / cold‑weather supplement (plus cetane & lubrication)
- Cold‑weather/Anti‑gel Capability:Yes — anti‑gel / prevents gelling and filter icing
- Cetane Boost:Yes — boosts cetane for faster cold starts
- Lubricity / Wear Protection:Yes — contains Slickdiesel Lubricator; protects components
- Water Management / Corrosion Control:Implied protection; corrosion prevention included in formulation
- Fuel Compatibility (ULSD / Biodiesel):Yes — effective with ULSD and biodiesel blends
- Additional Feature:64 oz single bottle
- Additional Feature:Anti-gel focused formula
- Additional Feature:Slickdiesel lubricator included
Hot Shot’s Secret Winter Defense Diesel Additive (1 gal)
You’ll appreciate Hot Shot’s Secret Winter Defense should you run a diesel truck in cold climates and want reliable winter performance without constant fuss. You’ll get strong anti-gelling action that shrinks wax crystals so fuel flows through filters at temperatures 20°F beneath cloud point, and it helps prevent ice and line freeze-ups down to -40°F. Start using it near freezing and double dose below 0°F. It also increases cetane by seven points for easier cold starts, improves lubricity up to 32%, and disperses water to stop rust. The concentrated formula treats large tanks and cleans injectors while protecting the whole fuel system.
- Primary Function:Winter anti‑gel + cetane boost (cold start, lubricity, cleaning)
- Cold‑weather/Anti‑gel Capability:Yes — winter defense to prevent gelling and ice (down to -40°F)
- Cetane Boost:Yes — boosts cetane by ~7 points
- Lubricity / Wear Protection:Yes — improves lubricity (up to 32%); protects pump/injectors
- Water Management / Corrosion Control:Yes — demulsifies/disperses moisture; prevents rust/corrosion
- Fuel Compatibility (ULSD / Biodiesel):Yes — formulated for diesel, implies biodiesel blend compatibility
- Additional Feature:Double dose subzero temps
- Additional Feature:Treats up to 200 gallons
- Additional Feature:Improves lubricity up to 32%
Power Service Diesel Fuel Supplement +Cetane Boost (6-Pack)
Provided you drive a heavy-duty truck in cold weather and worry about fuel gelling or hard starts, this six-pack of Power Service +Cetane Boost is a smart choice that helps keep you moving during temperatures drop. You’ll see faster cold starts because it raises cetane. It also prevents fuel gelling and stops fuel-filter icing, so you avoid being stranded. The formula includes Slickdiesel Lubricator, which protects pumps and injectors from wear caused by low-quality ULSD. It works with all diesel fuels and biodiesel blends. Use it whenever you want reliable cold-weather performance and enhanced lubrication for long days on the road.
- Primary Function:Anti-gel + cetane boost (cold protection, lubrication)
- Cold‑weather/Anti‑gel Capability:Yes — anti‑gel / prevents gelling and filter icing
- Cetane Boost:Yes — +Cetane Boost included
- Lubricity / Wear Protection:Yes — contains Slickdiesel Lubricator; component protection
- Water Management / Corrosion Control:Implied — designed for cold performance and protection (corrosion control not explicitly detailed)
- Fuel Compatibility (ULSD / Biodiesel):Yes — effective in ULSD and biodiesel blends
- Additional Feature:80 oz per bottle
- Additional Feature:Pack of six
- Additional Feature:Anti-freezer / anti-gel focus
Hot Shot’s Secret Diesel Extreme Fuel System Cleaner
In case you haul heavy loads or rely on your truck for long trips, Hot Shot’s Secret Diesel Extreme is a smart choice because it cleans tough injector and fuel system deposits while enhancing cetane for better combustion. You’ll pour a concentrated formula into your tank at fill-up or every 6,000 miles, using 8 oz per 20 gallons. It attacks internal and external injector deposits, varnish, and deposits on valves, pumps, rings, pistons, and upper cylinders. It also lubricates parts, disperses water without alcohol, stabilizes fuel, and helps prevent rust and reduce DPF regen frequency.
- Primary Function:Concentrated fuel system & injector cleaner (cetane boost, stabilizer)
- Cold‑weather/Anti‑gel Capability:Not specifically anti‑gel (focused on cleaning, stabilizing, water dispersal)
- Cetane Boost:Yes — increases cetane (up to ~7 points)
- Lubricity / Wear Protection:Yes — lubricates and safeguards engine/fuel components
- Water Management / Corrosion Control:Yes — disperses water, stabilizes fuel, prevents rust/corrosion
- Fuel Compatibility (ULSD / Biodiesel):Yes — formulated for diesel fuels (general), compatible with modern systems
- Additional Feature:Concentrated injector cleaner
- Additional Feature:Military-grade rust inhibitors
- Additional Feature:8 oz per 20 gal dosing
Howes Diesel Treat 32 oz Anti-Gel & Lubricator
Should you drive diesel trucks in cold weather and want a reliable way to keep fuel flowing, Howes Diesel Treat 32 oz Anti-Gel & Lubricator is made for you. You’ll trust its anti-gel protection to stop fuel gelling in extreme cold. It works across trucks and equipment, backed by the Howes family name. You’ll also get added lubricity for injectors, pumps, and upper cylinders, which helps prolong parts and improve performance. The detergent package fights injector deposits and carbon buildup, helping fuel economy. Plus it demulsifies water to prevent filter icing, utilizing a petroleum formula without alcohols or harsh solvents.
- Primary Function:Anti-gel & lubricator with deposit control
- Cold‑weather/Anti‑gel Capability:Yes — anti‑gel protection for cold weather
- Cetane Boost:Not explicitly quantified, but improves performance (primary claims focus on anti‑gel, lubricity; no explicit cetane number given)
- Lubricity / Wear Protection:Yes — adds lubricity to injectors and pumps
- Water Management / Corrosion Control:Yes — demulsifies water, reduces fuel‑filter icing, prevents water‑related damage
- Fuel Compatibility (ULSD / Biodiesel):Yes — designed for ULSD and typical diesel equipment (petroleum‑based, avoids alcohols)
- Additional Feature:Petroleum-based formulation
- Additional Feature:No alcohols/solvents
- Additional Feature:Long-standing trusted product
Factors to Consider When Choosing Diesel Additives
Upon selecting a diesel additive, begin with checking fuel compatibility so the product works with your engine and fuel type. You’ll also want cold-weather protection, cetane improvement, deposit cleaning power, and better lubricity to prevent wear. Each of these factors links together, so choose a formula that balances them for your driving conditions and peace of mind.
Fuel Compatibility
Because your truck’s fuel and its parts react differently to each additive, you need to pick products that match both the fuel type and the fuel system, not just a catchy label. Check firstly that the additive suits ULSD or your biodiesel blend like B5 to B20. Some formulas work only with low sulfur fuel or tolerate oxygenates in biodiesel. Next, confirm it’s safe for your injection and aftertreatment hardware, including common rail, HEUI, mechanical injectors, and DPF systems, since some additives harm or won’t help specific tech. Also make sure solvents and carriers won’t swell seals or corrode hoses, pumps, or injectors. Match dosing to your fuel volume and storage conditions, and pick stabilizers and water management products for long term or seasonal fuel.
Cold-Weather Protection
On bitter mornings or during a sudden cold snap, you want diesel additives that actually keep your truck starting and moving instead of turning your fuel system into a frozen mess. Pick additives that push the cloud and pour points at least 20°F below your usual lows so fuel stays liquid. Make sure the formula stops fuel-filter icing and keeps wax crystals small enough to flow through filters. Also choose products that break water into tiny droplets and disperse them so ice won’t form in lines and filters. Check dosing guidelines and see whether a double dose or pre-season treatment is recommended for extreme cold below 0°F. Finally, look for blends that aid cold starts while still prioritizing flow and anti-icing.
Cetane Improvement
Should you want your truck to fire more quickly and run smoother, raising cetane can help, and choosing the right additive matters. You’ll see cetane improvers raise numbers about 1 to 7 points depending on chemistry and dose. That change shortens ignition delay, so your engine idles smoother, makes less clatter, and might start better in cold weather. Know that each point nudges combustion timing, but big fuel-economy wins need multiple points and hinge on your engine’s tune. Use recommended dosing so you don’t overenhance, which can upset emissions systems or force more frequent treatments. Cetane enhancers work best with high-compression engines and in cold climates. Match product chemistry to your fuel and engine for reliable gains.
Deposit Cleaning Power
You want your injectors to spray right and keep your engine running strong, so pay close attention to a product’s deposit cleaning power. Look for additives that target both internal diesel injector deposits IDIDs and external diesel injector deposits EDIDs, since both change spray pattern and combustion. Good products list active detergent or solvent levels and recommend dosing like ounces per gallon so you don’t under-dose and leave varnish behind. Check that cleaning works on HPCR systems and older mechanical injectors because pressure and deposit chemistry differ. Expect to treat repeatedly; many tests show recovery after several dosing cycles rather than one fill. Finally, trust products with independent lab data showing flow recovery, spray pattern restoration, or lower soot as proof they actually clean.
Lubricity And Wear
Because modern ultra-low sulfur diesel stripped away a lot of natural lubricity, you need an additive that restores a protective film so metal parts stop grinding together. You’ll want products that show lab data like lower HFRR wear scar values, since that proves the film actually cuts wear in pumps and injectors. Look for formulas that combine lubricity improvers and friction modifiers to lower stiction and make injectors respond quicker. That helps restore power and fuel economy you miss. Also check compatibility with biodiesel blends because biodiesel and additive chemistry interact and change lubricity. Read technical sheets and ask dealers for HFRR numbers. Trustworthy additives protect high pressure common rail and rotary systems, so you avoid expensive failures and keep your truck running smooth.
Water And Corrosion Control
As soon as water finds its way into your diesel, it doesn’t just sit there; it invites rust, microbes, and clogged filters that can cost you time and money. You want additives that demulsify, so free water breaks into droplets your separator can trap and drain. That cuts microbial growth and protects injectors. At the same time, anti corrosion chemistries lay thin protective films on tank walls, lines, and injectors, stopping rust and pitting even with trace moisture. Good formulas also limit filter icing through reducing free water and shrinking wax or ice crystals in cold weather. Stabilizers and antioxidants slow oxidation and acid formation that would otherwise create gummy deposits and hold moisture against metal. Follow the product dosing instructions per gallons to keep protection steady.
Dosing And Convenience
Whenever you’re planning fuel stops, dose rules should be one less thing to worry about, so pick additives that match how you actually refuel. Look at the manufacturer dose expressed as ounces per fuel volume, so you get the right concentration and avoid overdosing. Prefer simple rules that fit your cadence, like add-at-every-fill or treat-every-3,000 miles, because you’ll stick with what’s easy. Choose bottle sizes that match tank capacity and use frequency, from single-use bottles to gallon jugs. For winter antigel needs, note any increased or double dosing below specific temperatures and keep extra on hand. Use marked bottles or measuring tools and pour during refueling to cut spills and guarantee accurate dosing every time.
