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5 Best Additives of 2025

Last Updated - 2025/10/01

1
Best Choice
11% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Archoil
11% Off

Archoil AR6500 Diesel Treatment (Two Pack) - Treats 800 Gallons - Additive for All Diesel Vehicles

Archoil

CA$114.90

CA$129.90
(11% Off)

More Details
Main highlights
- Incorporates Archoil's proven combustion modifier technology and a strong cetane boost to increase power and response
- Includes (2) x AR6500 Diesel Treatment - Treats up to 800 gallons
- Formulated to address issues with modern diesel fuels
- Cleans, lubricates and protects your fuel system (including HPCR systems)
CA$114.90
CA$129.90 (11% Off)
2
Best Value
49% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

CRC Press
49% Off

Generalized Additive Models: An Introduction with R, Second Edition

CRC Press

CA$80.50

CA$159.81
(49% Off)

More Details
Main highlights
CA$80.50
CA$159.81 (49% Off)
3
18% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Liqui Moly
18% Off

Liqui Moly Ceratec Oil Additive Treatment Ceramic Wear Protection 300ml

Liqui Moly

CA$39.97

CA$48.97
(18% Off)

More Details
Main highlights
CA$39.97
CA$48.97 (18% Off)
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Liqui Moly

Liqui Moly 20004 Hydraulic Lifter Additive

Liqui Moly

CA$21.46

More Details
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
CA$21.46
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Gumout

Gumout 800001740 Gas Treatment, 177ml

Gumout

CA$5.97

More Details
Main highlights
- Product type: AUTO_ACCESSORY
- Package Dimensions:3.81 L x 22.22 H x 3.81 w
- Model Number: 800001740
- Made in USA
CA$5.97

5 Best Additives of 2025

Archoil AR6500 Diesel Treatment (Two Pack) - Treats 800 Gallons - Additive for All Diesel Vehicles

Generalized Additive Models: An Introduction with R, Second Edition

Liqui Moly Ceratec Oil Additive Treatment Ceramic Wear Protection 300ml

Liqui Moly 20004 Hydraulic Lifter Additive

Gumout 800001740 Gas Treatment, 177ml

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