Fix misfires, rough idle, and fuel economy issues in your Nissan 2.5L with professionally rebuilt OEM injectors.

This set of 4 rebuilt OEM Denso injectors with Nissan part number 16600-8J010 and Denso number 195500-4390. Each injector is ultrasonically cleaned, flow-matched, and tested to factory spec. These are the correct factory original injectors for the QR25DE 2.5L engine found in several Nissan models between 2002 and 2006.

Product Features

• Genuine Denso 195500-4390 injectors — no generic aftermarket junk
• Ultrasonically cleaned, flow-tested, spray-pattern verified
• Direct-fit for Nissan 2.5L QR25DE engines
• Stamped with correct OEM part number
• Includes lifetime warranty against flow imbalance or failure

Vehicle Fitment

• 2002–2006 Nissan Altima 2.5L I4
• 2002–2006 Nissan Sentra SE-R 2.5L
• 2003–2006 Nissan Frontier 2.5L (select models)
• 2005–2006 Nissan X-Trail 2.5L (non-U.S. models)

Symptoms of Failing Fuel Injectors

• Rough idle or stalling at stoplights
• Loss of throttle response or acceleration
• Check Engine Light (P0300–P0304, lean codes)
• Fuel odor or black tailpipe smoke
• Failed emissions or high fuel consumption

Why Choose Our Rebuilt OEM Injectors?

Aftermarket replacements often lack consistent flow and spray atomization — leading to lean misfires or ECU issues. Our rebuilt OEM injectors are tested on ASNU diagnostic benches and matched for flow rate and spray pattern, just like factory testing.

✅ OEM quality. Lifetime backed. Professionally rebuilt. Shipped fast.