LIQUI MOLY · New
LIQUI MOLY AC System Cleaner Gun
MPN 4090 · Store SKU lqm4090
Supplier stock checked 11/7/2026, 10:42:21 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Aspecial tool for the application of the LIQUI MOLY A/C System Cleaning Fluid (part no. 20001). Produces a circular spray pattern to allow proper cleaning of evaporator. The reservoir uses a quick connector for easy hook-up and handling during application. Developed specially for cleaning air conditioning systems in passenger cars, commercial vehicles and buses as well as in homes. Air-Conditioner System Cleaner Gun
Manufacturer fitment & guides
Check 4090 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y