BOSCH
Bosch OEM Set of 6 4 HOLE Fuel Delivery & Engine Sufficiency Fuel Injectors for 1999-2004 Ford F-150, MUSTANG 3.8L 4.2L V6
Same / next day shipping
Verify Fitment with Aurus AI
Highly recommended
VERIFIED FITMENT
Part Numbers
YR3E-A4A
direct replacement for YR3E-A4A, 822-1116, YR3E-A6A
Installation & Tutorial Videos
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BOSCH
Bosch OEM Set of 6 4 HOLE Fuel Delivery & Engine Sufficiency Fuel Injectors for 1999-2004 Ford F-150, MUSTANG 3.8L 4.2L V6
Same / next day shipping
Verify Fitment with Aurus AI
Highly recommended
Plug-and-play installation
SKU: 386394291685
OEM-Level Engineered Product
Built to Precision Standards • Multi-Stage Tested • Lifetime Warranty
Part Numbers
YR3E-A4A
direct replacement for YR3E-A4A, 822-1116, YR3E-A6A
$159.99
Fitment (20)
Fitment (20)
Part Numbers
Part Numbers
YR3E-A4A
direct replacement for YR3E-A4A, 822-1116, YR3E-A6A
Item Specifics
Item Specifics
| Manufacturer Part Number | YR3E-A4A |
| MPN | direct replacement for YR3E-A4A |
| direct replacement for | 4 holes direct replacement for stock 1 hole |
| Injectors per set | 6 |
| Brand | Bosch |
| Interchange Part Number | 822-1116, YR3E-A6A |
| Manufacturer Warranty | Lifetime |
| OE/OEM Part Number | YR3E-A4A |
| Manufacturer | Bosch |
| Country of Origin | United States |
| Fitment | 2004 Ford F-150 Heritage 4.2L V6 GAS OHV, 2002 2003 Ford F-150 4.2L V6 GAS OHV, 1999 2000 2001 Ford Mustang 3.8L V6 GAS OHV |
Description
Description
Optimized Fuel Delivery & Engine Efficiency
This optimized fuel injector is designed to improve fuel delivery efficiency and overall engine operation while maintaining full OEM compatibility.
Enhanced flow characteristics and improved spray pattern control support more precise fuel atomization and more efficient combustion.
This may contribute to smoother engine response, improved fuel efficiency, more stable operation, and better consistency over time.
Designed for drivers seeking improved efficiency, fuel delivery precision, and long-term engine reliability without compromising factory fitment.
Professionally Remanufactured & Fully Validated
This fuel injector has been professionally remanufactured to restore proper fuel delivery and consistent engine operation.
Each unit is fully disassembled and undergoes multi-stage ultrasonic and chemical cleaning to remove deposits and contaminants from critical internal areas.
Internal components are carefully inspected, and worn elements are replaced with OEM-grade materials where required to restore reliability and function.
After reassembly, every injector is recalibrated and validated through a comprehensive testing process, including high-pressure leak testing, flow rate matching, spray pattern restoration, and electrical response verification.
Final testing under simulated operating conditions is performed to support stable fuel delivery, efficient combustion, and long-term dependability.
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.
FAQs
FAQs
Q: Will this fit my vehicle?
A: Check the compatibility table above. Our fuel injectors are OEM-spec and fit all listed vehicles perfectly. If your vehicle is listed, it will fit.
Q: Are these OEM or aftermarket parts?
A: We sell both OEM (Original Equipment Manufacturer) and high-quality remanufactured injectors. All products meet or exceed OEM specifications and come with our Lifetime Warranty.
Q: What is included with the fuel injectors?
A: Each injector includes new O-rings, filter baskets, and pintle caps where applicable. Everything needed for a complete installation is included.
Q: How long does shipping take?
A: Orders placed before 3PM PST ship same day or next business day. USA Standard: 3-7 business days (FREE). USA Priority: 2-3 business days ($12.99). USA Overnight: next business day ($49.99). Canada Standard: 5-7 business days ($59.99). International: 7-14 business days ($149.99).
Q: What is your warranty policy?
A: All our fuel injectors come with a Lifetime Warranty. If any injector fails under normal use, we will replace it free of charge. We also offer 30-day hassle-free returns.
100% Quality Assurance
Each Unit Tested Individually
Quality Assurance
Engineered for Exact Tolerances
OEM-level precision manufacturing and quality assurance
Remanufacturing
- OEM core inspection
- Full disassembly & cleaning
- Component replacement
- New OEM seals, O-rings, filters
- Precision reassembly
Testing
- Multi-stage flow testing
- Spray pattern validation
- Leak testing
- Electrical response testing
Technical Standards
- OEM specifications compliance
- Flow-matched calibration
- Pressure tolerance validation
- Electrical response testing
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$159.99