Search result for: 78850JR00B
ACTUATOR-FUEL LID OPENER
Part number: 78850JR00B
Availability: 4
Weight, kg: 0.4
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Make: Nissan
Made in: Thailand

ACTUATOR-FUEL LID OPENER
Part number: 78850JR00B
Availability: 4
Weight, kg: 0.4
Processing: 2-3 days
Make: Nissan
Made in: Thailand

Substitutions
ACTUATOR-FUEL LID OPENER
Part number: 78850JR00A
Availability: 0
Weight, kg: 0.23
Make: Nissan
Made in: Thailand

Fuel Door Release Actuator for Nissan Trucks
Why this part is needed
Keep refueling simple and secure. This electric opener locks and releases the fuel lid so you can access the cap ⛽ and protect it from tampering. If your lid won’t open from the cabin or refuses to stay locked, a fresh actuator restores smooth, factory operation and everyday convenience.
How it works
A 12V micro-motor drives a geared pin that moves the latch. When you pull the lever or press the dash switch, the actuator retracts the pin to release the door; when power is off, a return spring pushes the pin out to lock. The unit uses an OE-style connector, sealed housing, and a bracket that matches the original mounting points for a clean, direct-fit swap ️.
What happens if it’s broken
Common symptoms include a fuel lid stuck closed at the pump, a door that won’t lock, buzzing with no movement, or intermittent function in rain or cold. Driving like this risks bent cables, a damaged latch, and security issues. In worst cases you may need to pry the door, causing paint or hinge damage ⚠️. Replace early for reliable access and proper sealing.
Install tips
Disconnect battery, remove trunk/liner near the filler, unbolt the unit, swap, plug in, test, then refit. Light silicone on the latch pin helps. No coding required ✅.
Compatibility
- Navara
- Np300 Frontier
- Navara Np300
- Np300 Navara
- Terra
- Frontier
