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Top rated automotive engine cleaner sprays
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Best overall 3M3M Automotive Engine Cleaner 700-87
A powerful yet gentle cleaner that removes dirt, grime, and oil buildup from engine components without leaving residue.
- Excellent degreasing power
- Fast drying
- Safe on plastics and rubber
- Mild odor
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Best budget pick CRCCRC 5-56 Engine Cleaner
A versatile, non-corrosive formula that cuts through grease, oil, and grime for a clean engine bay.
- High performance
- Fast action
- No residue
- Strong smell
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Best for heavy-duty cleaning WD-40 SpecialistWD-40 Specialist Engine Degreaser Spray
A fast-acting, non-toxic degreaser that penetrates stubborn deposits on engines, cylinders, and pistons.
- Penetrates deep grime
- Safe on metal and plastic
- Leaves no film
- Higher price
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Best for deep cleaning 3M
3M Automotive Engine Cleaner 700-95
Engine cleaner with enhanced formula for removing tough stains and oxidation while preserving seals.
- Excellent for oxidation removal
- Fast drying
- No corrosion
- Mild chemical taste
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Best for tough grime 3M3M Automotive Engine Degreaser 700-97
A powerful degreaser that dissolves oil, grease, and dirt without damaging engine components.
- Strong degreasing
- Fast action
- Residue-free
- Strong odor
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Best for quick touch-ups 3M
3M Automotive Engine Cleaner 700-86
Compact cleaner for fast, efficient cleaning of engine parts and bay surfaces.
- Quick drying
- Safe on rubber
- Low cost
- Less powerful on heavy grime
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