712W12210-0101 fuel tank cap is a complete sealing and anti-theft assembly matched for Sinotruk series heavy-duty trucks. Installed at the top of vehicle diesel fuel tank, it achieves sealed storage of fuel while balancing internal air pressure of the tank during fuel consumption. This fuel tank cap solves common problems such as diesel leakage, tank internal negative pressure oil supply failure, fuel contamination and fuel theft caused by aging, cracked or loose ordinary tank caps, guarantee stable oil supply of engine for long haul transport vehicles.
Core Product Advantages
Multi-layer integrated rubber sealing structure, excellent oil resistance and compression resilience, block diesel seepage during bumpy driving and uphill & downhill transportation.
Built-in automatic pressure balance valve, adjust air pressure inside fuel tank in real time, avoid insufficient oil supply or tank deformation caused by positive and negative pressure difference.
Lockable anti-theft design with matched key set, effectively prevent fuel loss and man-made damage, greatly improve vehicle fuel safety during outdoor parking.
High-strength reinforced plastic main body with surface anti-ultraviolet coating, resist rainwater, mud, road salt and long-term sunlight aging, not easy to crack or fade.
Precision standard thread molding, uniform tooth spacing, perfectly match Sinotruk fuel tank filling port, tight screwing without gap and loose slipping.
External dustproof isolation ring, stop sediment, rainwater and impurities from entering fuel tank, reduce filter clogging and engine fuel circuit failure rate.
Complete integrated assembly design, including cap body, sealing washer, lock cylinder and keys, one-piece replacement, no extra accessories needed for maintenance installation.
Basic Product Parameters
Part Number: 712W12210-0101
Product Name: Lockable Fuel Tank Cap Assembly / Diesel Tank Sealing Cover
Applicable Vehicle: Sinotruk full series heavy duty commercial trucks
Main Material: Reinforced anti-aging engineering plastic + oil-resistant rubber seal + metal lock cylinder
Core Function: Seal fuel tank, balance internal air pressure, prevent oil leakage and fuel theft, isolate dust & rainwater
Feature: Anti-leak, pressure balance, anti-theft lock, dustproof, UV resistant, easy to install
Installation Position: Truck diesel fuel tank filler opening
Package: Neutral export carton, single cap independent bubble wrap, keys packed separately to avoid scratch
Application Scenarios
Premium replacement fuel system spare parts for Sinotruk long-distance tractors, heavy cargo trucks, engineering dump trucks and logistics transport vehicles. Suitable for highway long haulage, mountain full-load climbing, open-air parking, rainy coastal and dusty construction site working environments, keep clean fuel circulation and avoid fuel waste.
Purchase Reminder
Please confirm Sinotruk truck model and part number 712W12210-0101 before ordering to ensure accurate fitting. We support bulk wholesale for global auto parts distributors, truck repair workshops and logistics fleets, with sufficient stock and competitive bulk pricing. Installation and lock usage tips are provided after purchase.
