What are the most eco-friendly car engine cleaner options available?
| Product ⇅ | Price ⇅ | Active Ingredient ⇅ | Solution Strength (percentage) ⇅ | pH Level (none) ⇅ | Temperature Resistance (degrees Celsius) ⇅ | Safe for Parts ⇅ | Application Method ⇅ |
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Enviro-One Enviro-One Green Cleaner Regular Concentrate (128 oz)
US
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£45.40 ≈ | — | 100:1 | — | — | — | Spray the diluted solution onto the surface directly |
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Enviro-One Multi-Use Green Cleaner Concentrate (128 oz) is a fragrance-free, plant-based cleaner designed to cut through grease, grime, and dirt without harsh chemical fumes. It's sold as a concentrate that you dilute before use and can be used on many washable surfaces. ★ Ideal forFor eco-friendly car engine cleaning, this concentrate can be diluted from 100:1 and applied by spraying the diluted solution, targeting grease and grime with a plant-based formula while staying fragrance-free.
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Bilt Hamber Surfex-HD (Surfex-HD - 1ltr)
US
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£7.54 ≈ | — | 0.5% to neat | — | — | ✓ | sprayed, brushed or applied using pressure washer equipment |
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Surfex-HD is a water-based all purpose cleaner and degreaser (APC) designed to attack oil and grease based soiling, and also clean organic or water deposited grime. It's dilutable to match soil level, ranging from a light dilution up to neat for maximum grease and oil removal. It can be used on both exterior and interior surfaces, including paint, wheels, tyres, fabric and carpets. ★ Ideal forIt's formulated as a water-based, biodegradable APC with zero VOCs and strength adjustable dilution from 0.5% to neat, which helps you use the minimum effective concentration for eco-friendlier engine bay cleaning. |
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Nanotech Solutions ENGINE BAY RESTORER KIT (Engine Cleaner 100% biodegradable + Trim Care)
US
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£22.68 ≈ | — | — | — | — | — | spray then wipe off with a clean microfiber towel |
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The ENGINE BAY RESTORER KIT includes a 100% biodegradable, non-acid based Engine Cleaner/degreaser and a Trim Care solution for restoring and protecting trim and rubber/vinyl surfaces. The Engine Cleaner loosens and breaks up oil, grime, grease, and gunk, while Trim Care restores original color and helps seal to prevent further deterioration and buildup. ★ Ideal forIt suits the most eco-friendly engine cleaning options because the included Engine Cleaner is 100% biodegradable and non-acid based while being designed to dissolve/loosen engine grime, gunk, grease, and oil.
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Eco Safeway High Foaming Engine Cleaner & Degreaser (AUTO)
US
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£22.71 ≈ | — | — | — | — | — | Ready-to-use (RTU) spray |
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Eco Safeway's High Foaming Engine Cleaner & Degreaser (AUTO) is a ready-to-use, high-foaming engine cleaner formulated to lift and dissolve tough grease and grime. It can be applied to cold engines and is rinsed thoroughly with water after foaming and loosening grime. ★ Ideal forIt's ready-to-use and sprayed on without mixing or dilution, and it's described as biodegradable and non-toxic while being engine-safe-features that fit common goals for more eco-friendly engine cleaning options.
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Gunk Gunk HD Engine Degreaser with Trigger Sprayer (SKU EBT32)
US
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— | — | — | — | — | ✓ | Water based formula in an easy trigger spray application |
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This Gunk HD engine degreaser comes in a trigger-spray bottle for applying a water-based formula to the engine bay. It is designed to remove oil, grease, and road grime and is described as zero VOC. It is safe on metals, plastics, and rubber hoses under the hood. ★ Ideal forIt suits eco-friendly engine cleaning options because it is described as a zero VOC, water-based trigger-spray formula and is safe on metals, plastics, and rubber hoses under the hood.
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Meguiar's MEGUIAR'S D108 Super Degreaser (D10801, 1 gal)
US
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£19.68 ≈ | Potassium Hydroxide | — | 13 to 13.9 | >= 93.3 ºC | — | Spray and Rinse |
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Meguiar's D108 Super Degreaser (D10801) is a concentrated, fast-acting degreaser designed for exterior use that breaks down tough grease. It has a free-rinsing formula that helps prevent unsightly white residue stains. It's typically used by diluting and then spraying on before rinsing thoroughly. ★ Ideal forWhile this is a heavy-duty, residue-free degreaser with a high pH (13 to 13.9) that can be diluted (4:1 heavy, 10:1 light), it does not have eco-specific specs in the sources found, so it's not the most eco-friendly engine-cleaner option compared with products that are designed/advertised as low-toxicity or more environmentally benign.
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