Denso 295050-0260 / 095000-8920 / 095000-8621 – The Three-Generation Injector Set for HP3, HP4 & HP5 Fuel Systems

In a Denso common-rail system, the injector is not a single component-it evolves with the fuel system. The HP3 injector is different from the HP4 injector, and the HP5 injector is different again. Each generation has a different flow rate, a different response time, and a different electrical specification. The Denso injector platform set-comprising the 295050-0260, 095000-8920, and 095000-8621-covers the three generations of Denso fuel systems, from the HP3 to the HP4 to the HP5. It is the set that ensures the right injector is available for every Denso system, from the early common-rail engines to the latest high-pressure systems.

The Denso common-rail system has evolved through three generations. The HP3 system, introduced in the early 2000s, used a 3‑plunger pump and injectors with a maximum pressure of 1,600 bar. The HP4 system, introduced in the mid-2000s, used a 4‑plunger pump and injectors with a maximum pressure of 1,800 bar. The HP5 system, introduced in the 2010s, uses a 5‑plunger pump and injectors with a maximum pressure of 2,000 bar. Each generation requires a different injector-the injector must be matched to the pump's pressure, the engine's displacement, and the ECU's control strategy. The Denso injector platform set includes three injectors that cover the three generations-each injector is calibrated to the specific fuel system, ensuring that the engine delivers the correct power and emissions.

The Denso injector platform set is designed for engines with Denso HP3, HP4, and HP5 fuel pumps, commonly found in:

295050-0260 – HP3 Generation Injector (1,600 bar)

Toyota Corolla – 1CD-FTV (2.0L D-4D) – 2002-2007

Toyota Avensis – 1CD-FTV (2.0L D-4D) – 2003-2008

Toyota RAV4 – 1CD-FTV (2.0L D-4D) – 2003-2008

Toyota Corolla Verso – 1CD-FTV (2.0L D-4D) – 2004-2009

Toyota Yaris – 1ND-TV (1.4L D-4D) – 2005-2011

Toyota Auris – 1ND-TV (1.4L D-4D) – 2007-2012

095000-8920 – HP4 Generation Injector (1,800 bar)

Toyota Corolla – 2AD-FTV (2.2L D-4D) – 2006-2013

Toyota Avensis – 2AD-FTV (2.2L D-4D) – 2006-2011

Toyota RAV4 – 2AD-FTV (2.2L D-4D) – 2006-2012

Toyota Auris – 2AD-FTV (2.2L D-4D) – 2007-2012

Toyota Hilux – 1KD-FTV (3.0L D-4D) – 2005-2015

Toyota Fortuner – 1KD-FTV (3.0L D-4D) – 2005-2015

Toyota Prado – 1KD-FTV (3.0L D-4D) – 2005-2015

Nissan Navara – YD25 (2.5L diesel) – 2005-2015

Nissan Pathfinder – YD25 (2.5L diesel) – 2005-2015

Mitsubishi Triton – 4D56 (2.5L diesel) – 2005-2015

095000-8621 – HP5 Generation Injector (2,000 bar)

Toyota Land Cruiser 200 – 1VD-FTV (4.5L V8 diesel) – 2007-2020

Toyota Land Cruiser 70 Series – 1VD-FTV (4.5L V8 diesel) – 2007-2020

Toyota Hilux – 1GD-FTV (2.8L diesel) – 2015-present

Toyota Fortuner – 1GD-FTV (2.8L diesel) – 2015-present

Toyota Prado – 1GD-FTV (2.8L diesel) – 2015-present

Isuzu D-Max – 4JJ1 (3.0L diesel) – 2012-2020

Isuzu MU-X – 4JJ1 (3.0L diesel) – 2012-2020

Mitsubishi Pajero – 4M41 (3.2L diesel) – 2006-2020

Nissan Patrol – ZD30DDTi (3.0L diesel) – 2000-2010

Cross-references include Denso 295050-0260, 095000-8920, 095000-8621, and the original OEM injectors used in the Denso HP3, HP4, and HP5 systems. Always verify the Denso number on your existing injector before ordering.

Aftermarket injectors often use a generic flow rate that does not match the fuel system's pressure rating. The injector may fit, but the engine's performance is compromised. The genuine Denso injectors are manufactured to the original specifications, ensuring that the flow rate, the pressure rating, and the response time match the fuel system's requirements.

Q1: How can I tell which generation injector I need? → Check the engine's injection pressure rating-1,600 bar for HP3, 1,800 bar for HP4, 2,000 bar for HP5.

Q2: Can I use an HP4 injector on an HP3 system? → No-the HP4 injector has a higher pressure rating and a higher flow rate.

Q3: Can I use an HP3 injector on an HP4 system? → No-the HP3 injector has a lower pressure rating and a lower flow rate.

Q4: What is the most common symptom of a failing injector? → The engine runs rough, and the exhaust produces smoke.

Q5: Do I need to code the injectors to the ECU? → Yes-the injector calibration code must be entered into the ECU.

Q6: Does the injector work with biodiesel? → Yes, but biodiesel can accelerate the wear rate.

 

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