ORIGINAL AURUSU.S.-Made • Lifetime Warranty

AURUS

Aurus OEM Set of 6 Fuel Delivery and Engine Efficiency 4 Hole Fuel Injectors for 1999-2004 Jeep 4.0L I6

VERIFIED FITMENT

Jeep Grand CherokeeJeep TJJeep Wrangler+1 more
$199.99
Get it in 3–5 days·Faster options at checkout

Part Numbers

OEM / Manufacturer Part Number

0280155231, 0280155784

Aurus OEM Set of 6 Fuel Delivery and Engine Efficiency 4 Hole Fuel Injectors for 1999-2004 Jeep 4.0L I6 — view 1

Fitment

  • 1999–2001Jeep Cherokee4.0L
  • 1999–2004Jeep Grand Cherokee4.0L
  • 1999–2004Jeep TJ4.0L
  • 1999–2004Jeep Wrangler4.0L

4 vehicle fitments

Part Numbers

OEM / Manufacturer Part Number

0280155231, 0280155784

Item Specifics

BrandBosch
Manufacturer Part Number028015523LB230CC
OE/OEM Part Number0280155784
Manufacturer WarrantyLifetime
Benefits of Upgrade injectorsExtra MPG & Improved Engine Efficiency
Benefits of Upgrade injectors 2ncreased Horsepower
Benefits of Upgrade injectors3Better Response and Throttle Control
Benefits of Upgrade injectors 4Preventing fuel Starvation
Spray Disc Holes4 Hole Spray Disc
QualityFactory Quality Guaranteed

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.

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

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

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

FREE

USA Priority Shipping

2–3 business days

$12.99

USA Overnight

Next business day

$49.99

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

Installation GuideError Codes

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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Not Sure If You Need This Part?

Common symptoms that point to a failing fuel injector. Read the diagnostic guides before you buy.

Bad Fuel Injector SymptomsCar Won't StartRough Idle / MisfirePoor Fuel EconomyCheck Engine Light OnFuel Injector Problems

$199.99

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