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10 Best Additives - Holiday Sale

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Last Updated - 2025/12/14

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01

Liqui Moly

Liqui Moly Ceratec Oil Additive Treatment Ceramic Wear Protection 300ml

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9.9

Exceptional
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02
Red Line

Red Line 60103 Complete SI-1 Fuel System Cleaner, 15 Ounce, 1 Bottle

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9.1 worth the money

8.9 distance
Main highlights

Use one bottle per tank for most effective treatment of neglected vehicle
Safe for continual use
Reduces need for octane by up to two points
Contains synthetic upper cylinder lubricant
Cleans to nearly 100 percent efficiency in one treatment
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9.7

Exceptional

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Value for Money

03
Liqui Moly

Liqui Moly Jectron 7711 Gasoline Fuel Injection Cleaner additive, Cleans Valves & Injectors Without Removal. Updated to Replace Liqui Moly 2007-300ML

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9.5 worth the money

9.3 distance
Main highlights

Smoother idling, good throttle response
Restores performance, drivability and durability
Reduces fuel consumption and exhaust emissions
Keeps intake valves clean
Cleans injectors without removal
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9.6

Exceptional

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04
Motorcraft

Genuine Ford Fluid XL-3 Friction Modifier Additive - 4 oz.

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Main highlights

Use according to owner guide recommendations
Tapered neck applicator for easy use
Formulated for automotive use
For use on certain limited-slip differentials to reduce chatter and hypoid gear noise levels
Added to lubricants to reduce the surface friction of the lubricated parts
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9.3

Excellent

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05
Liqui Moly

Liqui Moly 20330 Hydraulic Lifter Additive (replaces LM 20004)

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Main highlights

Suitable for all commercial motor oils in gasoline and diesel engines with and without diesel particulate filter (DPF)
Secures optimal hydro tappet performance
Prevents hydro tappet noise
Lubrication holes and ducts in the oil circuit are cleaned
Increases the reliability and travel comfort of the vehicle.
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9.2

Excellent

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06
bluestem

bluestem Dental Care Water Additive for Dogs & Cats – No Brushing Daily Teeth Cleaner – Pet Oral Rinse to Freshen Breath & Help Reduce Plaque – Flavorful & Easy Oral Hygiene (500 ml, Original)

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9.3 Simple to use

8.7 Aroma

8.4 worth the money
Main highlights

Wholesome Ingredients Formula: Crafted without wheat, corn, or animal protein, our pet dental water additive is thoughtfully crafted to minimize dietary triggers, so you can feel good about adding it to their routine
Helps Fight Plaque & Tartar: Formulated with coactiv+ technology, our water additive supports daily oral and dental hygiene by helping minimize plaque and tartar remover buildup; simply add to your pet’s drinking bowl for effortless care
Freshens Breath For Close Moments: This tooth cleaner oral rinse for dogs and cats helps neutralize unpleasant odors, making every cuddle, kiss, and nose-to-nose moment more enjoyable with fresher breath
Flavorful & Brushing-Free: Available in an original flavor, that has no smell, this dental water additive for pets can be paired with bluestem dental chews, oral spray, or cat and dog toothpaste for a complete daily cat and dog dental care program
Daily Care Made Simple: Just mix into your water pets bowl to turn hydration into an easy oral care routine; no brushing needed, making it a practical way to maintain pet cleaner teeth and a healthier mouth
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9.1

Excellent

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07
Hot Shot's Secret

Hot Shot's Secret Diesel Winter Anti-Gel– 16 Oz Squeeze, 7-in-1 Diesel Fuel Additive – Prevents Gelling and Fuel Line Freeze-Ups – Boosts Cetane – Cleans Injectors – Improves Performance, Amber

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Main highlights

Keeps Fuel System Healthy - Acts as a fuel injector cleaner and lubricity additive to reduce engine wear and keep your vehicle healthy, efficient, and performing at peak capacity
Improves Combustion - Maximizes your MPG's and reduces DPF regens, helping you save at every fill-up by keeping your fuel system at peak performance and your diesel fuel at top quality
Improves Cold Starts - Significantly enhances cold-weather performance and disperses moisture to prevent fuel line freeze-ups, even in temperatures as low as -40 degrees Fahrenheit
Boosts Cetane - Improves vehicle performance by boosting cetane up to 7 points and helping any diesel engine to burn fuel efficiently, no matter the weather
Anti-Gelling Formula - Reduces the formation of wax crystals in diesel fuel during cold weather, to keep fuel flowing smoothly and prevent it from clogging the system or fuel filter
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8.8

Very Good

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08
Liqui Moly

Liqui Moly 20004 Hydraulic Lifter Additive

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Main highlights

Suitable for use in vehicles with turbochargers and vehicles with catalytic converters
Prevents engine noises caused by hydraulic tappets
Improves the lubrication properties of the oil
Cleans valve bores
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8.6

Very Good

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09
Arm & Hammer

Arm & Hammer Complete Care Fresh Dental Water Additive for Dogs, 16 Fl Oz - Flavorless Mouth Wash, Rinse, Pet Water Additive for Bad Breath

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Main highlights

TARTAR CONTROL FOR DOGS – Not only does this adult dog dental water additive freshen breath, but it also helps control tartar to prevent tooth decay and gum disease
ODORLESS AND FLAVORLESS PET WATER ADDITIVE – This brushless solution for cleaning dog teeth includes 16 fl oz of odorless and flavorless cat water additive for an easy way to achieve fresh pet breath
DIRECTIONS – Add one capful per 8 oz of your dog's drinking water once a day. Wash your pet's water bowl thoroughly before refilling it
BAKING SODA ENHANCED DOG WATER ADDITIVE – This water additive for dogs is made with the signature Arm & Hammer baking soda ingredient to deodorize bad doggie breath
ARM & HAMMER DOG DENTAL WATER ADDITIVE – Take your dog's dental care to the next level with Arm & Hammer Complete Care Dental Water Additive to eliminate bad breath and fight tartar
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8.5

Good

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10
Liqui Moly

Liqui Moly 2002 Super Diesel Additive - 300 ml

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Main highlights

Diesel hi-test, cetane boost
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8.4

Good

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