- Fits 2004 Buick Rainier
- Fits 2004 Chevrolet Trailblazer
- Fits 2004 Chevrolet Trailblazer EXT
- Fits 2004 GMC Envoy
- Fits 2004 GMC Envoy XL
- Fits 2004 GMC Envoy XUV
- Fits 2004 Isuzu Ascender
- Fits 2004 Oldsmobile Bravada
- Fits 2003 Chevrolet Trailblazer
- Fits 2003 Chevrolet Trailblazer EXT
- Fits 2003 GMC Envoy
- Fits 2003 GMC Envoy XL
- Fits 2003 Isuzu Ascender
- Fits 2003 Oldsmobile Bravada
- Fits 2002 Chevrolet Trailblazer
- Fits 2002 GMC Envoy
- Fits 2002 GMC Envoy XL
- Fits 2002 Oldsmobile Bravada
AURUS
Aurus OEM Fuel Injector for 2002-2004 Buick Chevy GMC Isuzu Oldsmobile 4.2L 25313185
VERIFIED FITMENT
Part Numbers
25313185, 19244623
FJ10578, 25317671, 17113794, 12569573, 16-971, MP3075, 67366, 832-11178, 800-1322N, 1AMFI00099, FJ319
AURUS
Plug-and-play installation
SKU: 25313185 x1 new aurus plain main
OEM-Level Engineered Product
Built to Precision Standards • Multi-Stage Tested • Lifetime Warranty
- ✓Brand New AURUS Fuel Injector - Direct OEM Replacement
- ✓Precision-Engineered for Accurate Fuel Delivery
- ✓Compatible with 2002-2004 Multiple Models
- ✓Direct Bolt-On Installation - No Modifications Required
- ✓Lifetime Warranty Included
Part Numbers
25313185, 19244623
FJ10578, 25317671, 17113794, 12569573, 16-971, MP3075, 67366, 832-11178, 800-1322N, 1AMFI00099, FJ319
$39.99
Fitment
- 2004Buick Rainier4.2L
- 2003–2004Chevrolet Trailblazer EXT4.2L
- 2002–2004Chevrolet Trailblazer4.2L
- 2002–2004GMC Envoy XL4.2L
- 2004GMC Envoy XUV4.2L
- 2002–2004GMC Envoy4.2L
- 2003–2004Isuzu Ascender4.2L
- 2002–2004Oldsmobile Bravada4.2L
8 vehicle fitments
Part Numbers
Part Numbers
25313185, 19244623
FJ10578, 25317671, 17113794, 12569573, 16-971, MP3075, 67366, 832-11178, 800-1322N, 1AMFI00099, FJ319
Item Specifics
Item Specifics
| Country of Origin | United States |
| Amount of Injectors included | 1 piece |
| Manufacturer Part Number | 25313185 |
| Brand | AURUS |
| Specifics | EV6 / Mulltec 2 port / 4 Hole Nozzle |
| Interchange Part Number | FJ10578, 25317671 17113794 12569573 |
| Manufacturer Warranty | Lifetime |
| OE/OEM Part Number | 25313185, 19244623 |
| Manufacturer | AURUS |
| Fuel Injectors For #1 | 2004 Buick Rainier; GMC Envoy XUV 4.2L I6 |
| Fuel Injectors For #2 | 2003 2004 Chevrolet Trailblazer EXT; Isuzu Ascender 4.2L I6 |
| Other part numbers | 16-971 MP3075 67366 832-11178 800-1322N 1AMFI00099 FJ319 |
| Engine | General Motors 4.2L LL8 Atlas Vortec 4200 motor |
| Fitment | 2002 2003 2004 GMC Envoy XL; GMC Envoy 4.2L I6, 2002 2003 2004 Oldsmobile Bravada; Chevrolet Trailblazer 4.2L I6 |
Description
Description
Engineered & Tested for OEM-Level Reliability
This fuel injector is engineered and assembled to deliver precise fuel flow and consistent engine operation under real driving conditions.
Each unit is produced using high-quality internal components and assembled with new seals and O-rings to ensure durability, proper sealing, and long-term stability.
Every injector undergoes a controlled multi-stage validation process, including high-pressure leak testing, flow rate calibration, spray pattern and atomization analysis, and electrical response verification.
Precision machining and controlled assembly help ensure exact fitment and alignment with OEM specifications.
Final calibration and testing are performed to support consistent fuel delivery, smooth engine operation, and long-term reliability.
Direct Fit & Plug-and-Play
No tuning or modification is required. Designed to match OEM specifications for seamless installation and dependable operation.
Please confirm compatibility using the fitment section above before purchase.
Warranty
Warranty
Lifetime Warranty
All AURUS fuel injectors are backed by a Lifetime Warranty. If any injector fails under normal use, we will replace it free of charge — no questions asked.
What's Covered
Manufacturing defects, electrical failure, flow performance degradation, and leaks under normal operating conditions.
Not Covered
Physical damage, misuse, improper installation, or use with incompatible vehicles not listed in fitment.
Shipping & Returns
Shipping & Returns
Free Same Day or Next Business Day Shipping
Orders placed before 3:00 PM PST ship the same business day.
USA Standard Delivery
3–7 business days
USA Priority Shipping
2–3 business days
USA Overnight
Next business day
30-Day Hassle-Free Returns or Replacements
Not satisfied? Return any unused item within 30 days for a full refund or replacement. Return shipping is on us for defective items.
100% Quality Assurance
Each Unit Tested Individually
Quality Assurance
Engineered for Exact Tolerances
OEM-level precision manufacturing and quality assurance
Manufacturing
- New high-pressure injector body
- OEM internal components
- New OEM seals, O-rings, filters
- Precision CNC calibration
Testing
- Multi-stage flow testing
- Spray pattern validation
- Leak testing
- Electrical response testing
- Engine simulation testing
Technical Standards
- OEM specifications compliance
- Flow-matched calibration
- Pressure tolerance validation
- Electrical response testing
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$39.99