Product Introduction 1205530-H0100-HJ Urea Tank Cap is a sealed locking cover for DFL heavy truck SCR urea tank assembly. It seals the urea tank filler opening, prevents urea solution leakage, dust contamination and theft of AdBlue, while supporting proper pressure balance inside the tank. This aftermarket replacement cap addresses loose sealing, broken lock mechanism, aging rubber gaskets and urea crystallization leakage caused by damaged original caps, maintaining clean urea supply and avoiding SCR fault codes for long-haul heavy cargo transportation vehicles.

Product Advantages Made of urea-resistant engineering plastic that resists chemical corrosion from AdBlue liquid. Built-in lock and key design offers anti-theft protection for urea fluid. Integrated elastic sealing gasket provides excellent leak-proof performance under temperature variation. Each cap undergoes tightness testing before shipment, simple installation and effectively stops impurities from entering the urea tank.

Applicable Models Fit for DFL Dongfeng heavy truck series such as KX/KL/GX, widely used on highway long-distance bulk cargo and logistics transport vehicles equipped with SCR emission control system.

FAQ

Q1: What problem will a leaking urea tank cap bring?
A1: Urea liquid crystallization around filler port, dust entering tank and trigger SCR system fault codes.
Q2: How to maintain the gasket on urea tank cap?
A2: Clean urea crystal deposits regularly, avoid scratching the rubber sealing ring during operation.
Q3: Can I continue to use the cap once the lock is broken?
A3: It can still seal temporarily, but replacement is recommended to prevent urea theft and accidental opening.
Q4: Why does urea crystal build up on the urea cap?
A4: Minor urea vapor leakage will precipitate crystals; clean frequently to prevent gasket damage.