Fuel additive LIQUI MOLY 1878 Diesel Flow Fit K 1l
- EAN: 4100420018787
- Volume [Liters]: 1
- Container type: Box
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- Product line: Diesel Fließ-Fit K, P000033
- Brand category: Premium
- Manufacturer: Liqui Moly
- Manufacturer part number: 1878
- Category: Liqui Moly
- Brand: Liqui Moly
- Model: Degvielas piedeva LIQUI MOLY 1878
LIQUI MOLY Diesel Flow Fit K - Winter Fuel Protection
Purpose and Specifications
LIQUI MOLY Diesel Flow Fit K (Product Code P000033) is a diesel fuel additive designed to keep your fuel flowing smoothly in cold weather. This 1-liter bottle treats up to 1,000 liters of diesel fuel.
Key Benefits:
- Keeps diesel flowing at temperatures down to –31°C, depending on fuel quality
- Prevents paraffin crystals from forming and clogging fuel filters
- Ensures reliable engine operation during winter months
- Improves fuel flow and filtering properties
- Works with all diesel engines
When to Use / Replace?
Add Diesel Flow Fit K before winter arrives or when temperatures drop below freezing in your region. For best results, add the product approximately 5°C above the cloud point (the temperature at which fuel begins to cloud). One 1-liter bottle is sufficient for 1,000 liters of fuel, making it economical for regular seasonal use.
Application Instructions:
- Shake the can well before use
- Add to your fuel tank before refueling
- For large storage tanks, add when tank is approximately one-quarter full and top up to mix thoroughly
- Store in a frost-free location when not in use
Frequently Asked Questions
Q: When should I add this additive to my diesel?
A: Add it before winter or when temperatures regularly drop below freezing. It prevents fuel from thickening and clogging your fuel filter in cold weather.
Q: How much do I need?
A: One 1-liter bottle treats up to 1,000 liters of fuel. For a typical vehicle fuel tank (50-75 liters), you need only 50-75 milliliters.
Q: Will this damage my engine or fuel system?
A: No. LIQUI MOLY Diesel Flow Fit K is tested and safe for all diesel engines and fuel systems. It improves fuel flow without harming components.
Shipping & delivery
We deliver across the European Union. Orders confirmed on business days are prepared and handed to the carrier the same or the next business day.
Delivery methods
Courier delivery to your door, or pickup at parcel lockers and points across our carrier networks.






Delivery time
Usually 1–5 business days, depending on destination and carrier.
Shipping cost
Calculated automatically at checkout by weight and destination. Free shipping may apply above a store-specific order value.
Packaging — built to arrive intact
Oil and lubricants are liquids, so we pack every order to reach you perfectly. This is the care that goes into each parcel:
The result: a clean, sealed, undamaged parcel — because getting the oil to you intact is the whole point.
Returns
14-day right of withdrawal under EU consumer law. Items must be unused and in original, unopened packaging.
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