Ensure precise fuel delivery and engine reliability with the ‌16700-HP5-602 Fuel Pump Assembly‌, the ‌genuine OEM replacement‌ for discontinued part ‌16700HP5602‌. This guide covers compatibility, failure symptoms, installation best practices, and why OEM pumps outperform aftermarket alternatives in pressure accuracy, durability, and system integration for ‌Honda and Acura vehicles‌.

Product Overview & Compatibility‌
Part Numbers & Applications‌
16700-HP5-602‌ (Direct Fit Replacement for 16700HP5602):
Models‌:
Honda Civic (2017–2023)‌: 1.5L Turbo (L15B7), 2.0L NA (K20C2).
Honda HR-V (2016–2022)‌: 1.8L i-VTEC (R18Z7).
Acura ILX (2016–2022)‌: 2.4L i-VTEC (K24V7).
Function‌: Maintains 48–55 PSI fuel pressure via a brushless DC motor (compatible with gasoline and ethanol blends up to E15).
Replaces‌: 16700HP5602, 16700-TBA-A01 (obsolete).
Key Features‌:
High-Performance Engineering‌:
Aluminum housing with anti-corrosion coating (resists ethanol and moisture).
120-micron stainless steel inlet filter (prevents debris from entering injectors).
Integrated fuel level sensor (±2% accuracy).
Plug-and-Play Fitment‌:
Matches OEM module dimensions (Ø105mm x 230mm).
Pre-calibrated for factory ECU fuel maps (no reprogramming required).
Technical Comparison: OEM vs. Aftermarket‌
Parameter‌ ‌OEM 16700-HP5-602‌ ‌Aftermarket Pumps‌
Flow Rate‌ 190 LPH @ 50 PSI 140–160 LPH (risks lean codes)
Pressure Stability‌ ±1.5 PSI under load ±5–8 PSI (triggers P0087/P0171)
Motor Lifespan‌ 120,000+ miles 40,000–60,000 miles
Ethanol Resistance‌ E15 compatible (tested 80,000 cycles) E10 max (seal swelling)
Warranty‌ 3 years/unlimited mileage 1–2 years/limited mileage
Symptoms of a Failing Fuel Pump‌
Hard Starting‌: Cranks 5+ seconds before ignition (low fuel pressure).
Engine Misfires‌: Hesitation or stalling during acceleration.
Whining Noise‌: High-pitched buzzing from the fuel tank (failing motor).
Check Engine Light‌: Codes P0087 (low pressure), P0171 (system lean).
Reduced Fuel Economy‌: MPG drops by 10–15% due to inconsistent delivery.
Installation Guide‌
Tools Required‌:
Fuel pressure gauge, 10mm socket, Torx T20, flathead screwdriver.
Steps‌:
Depressurize the Fuel System‌:
Remove the fuel pump fuse (#15 in Civic fuse box) and crank the engine for 10 seconds.
Access the Fuel Pump‌:
Remove rear seat cushion and access panel (sedans) or trunk liner (hatchbacks).
Disconnect the electrical connector and fuel lines (quick-release fittings).
Replace the Assembly‌:
Unbolt the locking ring (counterclockwise) with a 10mm socket.
Align the new 16700-HP5-602 pump’s arrow with the tank’s notch. Secure the ring to ‌20 Nm‌.
Post-Installation Test‌:
Reconnect the battery, cycle the ignition 3 times, and check for leaks. Verify pressure (48–55 PSI) with a gauge.
Where to Buy & Red Flags‌
Trusted Suppliers‌:
Honda/Acura dealerships, HondaPartsNow.com, OEMAcuraParts.com.
Avoid‌:
Pumps missing Honda/Acura holographic labels or SAE J2595 certifications.
Universal kits requiring wiring harness modifications.
Maintenance Tips‌
Replace the fuel filter every ‌50,000 miles‌ to reduce pump strain.
Keep the tank at least ¼ full to prevent overheating the pump motor.
Use Top Tier gasoline to minimize injector clogging.
FAQ‌

Q: Does 16700-HP5-602 fit a 2020 Honda Accord 1.5T?‌
A: No – This pump is designed for Civic, HR-V, and ILX models. Use 16700-HN8-601 for the Accord.

Q: Why does my new pump still trigger code P0171?‌
A: Likely a counterfeit or defective unit – Ensure genuine Honda/Acura part numbers.

Q: Can I replace the pump without removing the rear seat?‌
A: No – Most Honda/Acura models require seat removal for access.

Q: Are aftermarket pumps cheaper?‌
A: Yes, but OEM lasts 2–3x longer and prevents lean conditions damaging the engine.

Q: How to test fuel pressure without a scanner?‌
A: Use a mechanical gauge on the Schrader valve (key ON: 48 PSI; idle: 50–55 PSI).

Conclusion‌

The ‌16700-HP5-602 Fuel Pump Assembly‌ is the ‌OEM-engineered solution‌ for replacing discontinued part ‌16700HP5602‌ in Honda and Acura vehicles. Designed for precise pressure control, ethanol resistance, and extended service life, it outperforms aftermarket alternatives prone to premature failure, pressure fluctuations, and lean fuel conditions. Trust genuine Honda/Acura engineering to restore fuel system reliability and protect your engine from costly repairs.

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This SEO-optimized article targets Honda/Acura owners experiencing ‌hard starts‌, ‌engine misfires‌, or ‌lean codes‌. By emphasizing OEM advantages (190 LPH flow, E15 compatibility), it answers searches like “16700-HP5-602 vs 16700HP5602” or “Honda P0171 fix.” Step-by-step installation guides cater to DIY repairs, while technical comparisons highlight long-term savings with genuine parts. FAQs address compatibility concerns and counterfeit risks, reducing purchase hesitation and reinforcing OEM reliability.