The 3M™ Car Wash Soap (38378) is a highly concentrated, phosphate- and silicone-free formula designed to safely remove dirt, grime, and road residue without stripping away protective wax coatings. Its long-lasting suds deliver a thorough clean while preserving the shine and finish of vehicle paintwork. Measuring 5 gallons (18.9 L), this professional-grade soap is ideal for automotive shops, detailing services, and fleet maintenance. It can also be used as a lubricant with 3M™ Perfect-It™ Cleaner Clay 38070 and during wet sanding, making it a versatile solution for multiple applications. With a dilution ratio of 1 part concentrate to 100 parts water, it provides excellent value, quick drying, and residue-free results—restoring vehicles to a sparkling, like-new appearance.
3M™ Car Wash Soap, 5 gal , 38378
In stock
Concentrated 3M™ Car Wash Soap, 5 gal, safely cleans without removing wax protection.
✅ Key Features
- Safely removes dirt and grime without harming wax or paint finish
- Phosphate- and silicone-free formula for safe, professional use
- Highly concentrated with a 1:100 dilution ratio for cost efficiency
- Versatile use as a lubricant for 3M™ Perfect-It™ Cleaner Clay 38070 and wet sanding
- Quick-drying, residue-free finish leaves vehicles sparkling clean










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