Search result for: 1668206J02
TUBE ASSY-INJECTION,NO 3
Part number: 1668206J02
Availability: 0
Weight, kg: 0.219
Make: Nissan
Made in: Japan

Fuel Injection Tube No.3 for Nissan Diesel Engines
This high‑pressure line feeds cylinder 3 with precision fuel delivery in tough Nissan workhorses. Built from seamless steel with vibration‑damping geometry, it keeps pressure stable and combustion clean. Choose OEM‑grade quality for long life, consistent power, and low emissions ⛽.
Why this part is needed
The engine relies on a leak‑free path from pump/rail to injector #3. A correct tube maintains atomization, smooth idle, easy cold starts, and proper fuel economy. It also protects the rail and injector by controlling pressure pulses.
How it works
The tube channels diesel at very high pressure through calibrated bends and cone seats. Precision flare nuts secure a metal‑to‑metal seal; the length and wall thickness minimize pulsation and thermal expansion. Clean seating surfaces prevent micro‑leaks and air ingress.
What happens if it’s broken ⚠️
Expect hard starts, misfire on cylinder 3, diesel knock, fuel smell, smoke, reduced power, and rail pressure faults. A crack or bent line can leak externally (fire risk) or pull air in, harming the injector and pump. Never attempt to straighten a damaged tube.
Tech tips ✅
Install dry and clean; do not use sealant. Hand‑align, then torque to spec. Replace after collision, corrosion, or contamination events; avoid repeated re‑use. After fitting, prime the system and perform a leak‑down check.
Compatibility
- Safari
- Civilian
- Safari Pick Up
- Patrol
