Description
Set of 6 upgraded OEM Delphi fuel injectors for GM 3.1L and 3.4L OHV engines. These units have been fully reconditioned and upgraded for optimized spray pattern and fuel atomization, providing improved throttle response and fuel economy over factory stock.
Why Upgrade to This Set?
- Genuine Delphi 25323972 / 25323971 cores – not aftermarket clones
- Precision flow matched to within ±2%
- Ultrasonically cleaned, coil tested, pressure tested, and spray pattern verified
- Optimized for clean atomization and fuel distribution
- Includes new o-rings, filters, pintle caps – ready for installation
Common Injector Symptoms
- Misfires, hesitation, or poor idle
- Lean codes (P0171, P0300)
- Hard starts or fuel smell
- Poor fuel mileage
Compatible Engine Types
- GM 3.1L OHV V6 (VIN J)
- GM 3.4L OHV V6 (VIN E)
Direct Fitment – 2000 to 2005 3.1L 3.4L
For most accurate fitment, please use our Search by Year, Make and Model tool on the homepage.
Warranty and Return Policy
Every injector set is backed by our Lifetime Warranty and 60-day no-hassle return policy. No core deposit required. No restocking fees. Buy with confidence.
Payment & Security
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