New Injection Pump 9461610167 146400-2220 for 4D55 Nissan Engine

New Injection Pump Head Rotor 146400-2220 for N1SSAN 4D55 Engine – 9461610167

Why Choose Our Injection Pump Head Rotor?

Is your N1SSAN 4D55 engine experiencing reduced power or increased fuel consumption? This OE-spec head rotor solves common injection system issues by delivering precise fuel metering, restoring engine performance and efficiency. Perfect for fleet operators and mechanics seeking reliable replacements.

Performance Benefits

– Restores optimal fuel pressure and atomization
– Reduces black smoke and emissions
– Improves throttle response and acceleration
– Minimizes wear on fuel injectors
– Ensures consistent engine operation under load

Quality Assurance

Each unit undergoes strict testing:
– Pressure resistance testing (up to 2000 bar)
– Dimensional accuracy inspection
– Material hardness verification
– 100% functional performance check

Difference From Competitors

– Premium alloy material resists corrosion and wear
– Tighter tolerance control (¡À0.005mm)
– Pre-lubricated for immediate installation
– ISO 9001 certified manufacturing process

Frequently Asked Questions

Q: Will this fit my specific N1SSAN model?
A: Designed for 4D55 engines. Verify your engine code before ordering.

Q: How difficult is installation?
A: Requires basic mechanical knowledge. Professional installation recommended for optimal results.

Q: What is the expected lifespan?
A: Typically 100,000+ km under normal operating conditions.

Ready to restore your engine’s performance? Contact us now with your vehicle details for a personalized quote and fast shipping!