Will this fuel injector fit my vehicle?

This injector is verified compatible with: 2010 Ford Explorer; 2010 Ford Explorer Sport Trac; 2010 Ford Mustang; 2010 Mercury Mountaineer; 2009 Ford Explorer; 2009 Ford Explorer Sport Trac; 2009 Ford Mustang; 2009 Mercury Mountaineer and more (see full fitment list). Always cross-reference your OEM part number for guaranteed fit.

What warranty comes with this injector?

Every Aurus fuel injector ships with our Lifetime Warranty covering manufacturing defects, flow rate issues, electrical failures, and internal component failure. Replacement is hassle-free with order number.

How fast does this ship?

In-stock injectors ship same-day from our Long Beach, California facility for orders placed before 3PM PST. Standard delivery is 3–5 business days within the continental US. Free shipping on all orders.

Is this OEM or aftermarket?

This is a genuine OEM BOSCH fuel injector, professionally remanufactured to factory specifications. Same brand as your original equipment.

ORIGINAL BOSCHOEM Quality • Lifetime Warranty

BOSCH

Bosch OEM Set of 8 Fuel Injectors Fuel Delivery & Engine Sufficiency 4 HOLE for MUSTANG EXPLORER MOUNTAINER 4.6

Name: Bosch OEM Set of 8 Fuel Injectors Fuel Delivery & Engine Sufficiency 4 HOLE for MUSTANG EXPLORER MOUNTAINER 4.6
Brand: BOSCH
SKU: 4L8E-A4A x8 upgrade plain main
Price: 189.99 USD
Availability: InStock
Rating: 4.9 (50 reviews)

VERIFIED FITMENT

Ford ExplorerFord Explorer Sport TracFord Mustang+6 more

$189.99

Get it in 3–5 days·Faster options at checkout

Part Numbers

OEM / Manufacturer Part Number

4L8E-A4A

Other Part Numbers

replaces, 822-11155, YF1E-F4B

ORIGINAL BOSCHOEM Quality • Lifetime Warranty

BOSCH

VERIFIED FITMENT

Plug-and-play installation

Ford Explorer 2010 4.6LFord Explorer Sport Trac 2010 4.6LFord Mustang 2010 4.6LMercury Mountaineer 2010 4.6L+33 more vehicles

SKU: 4L8E-A4A x8 upgrade plain main

OEM-Level Engineered Product

Built to Precision Standards • Multi-Stage Tested • Lifetime Warranty

✓Brand New Bosch Fuel Injector - Direct OEM Replacement
✓Precision-Engineered for Accurate Fuel Delivery
✓Compatible with Multiple Models
✓Direct Bolt-On Installation - No Modifications Required
✓Quality Tested - 100% Satisfaction Guaranteed

Part Numbers

OEM / Manufacturer Part Number

4L8E-A4A

Other Part Numbers

replaces, 822-11155, YF1E-F4B

$189.99

Get it in 3–5 days·Faster options at checkout

LifetimeWarranty

30-DayReturns

Same / Next-DayShipping

Fitment

2004–2008Ford Escape3.0L
2007–2010Ford Explorer Sport Trac4.6L
2006–2010Ford Explorer4.6L
2005–2010Ford Mustang4.6L
2006Ford Mustang4.0L
2004–2005Ford Taurus3.0L
2005–2006Mazda Tribute3.0L
2008Mazda Tribute3.0L
2005–2008Mercury Mariner3.0L
2006–2010Mercury Mountaineer4.6L
2004–2005Mercury Sable3.0L

11 vehicle fitments

Part Numbers

OEM / Manufacturer Part Number

4L8E-A4A

Other Part Numbers

replaces, 822-11155, YF1E-F4B

Item Specifics

Manufacturer Part Number	4L8E-A4A
MPN	replaces 4L8E-A4A
Upgrade	Yes, Bosch 4 hole
Injectors per set	8
Brand	Bosch
Interchange Part Number	822-11155, YF1E-F4B
Manufacturer Warranty	Lifetime
OE/OEM Part Number	4L8E-A4A
Manufacturer	FORD
Country of Origin	United States
Fitment	2006 2007 2008 2009 2010 Mercury Mountaineer 4.6L V8, 2005 2006 2007 2008 2009 2010 Ford Mustang 4.6L V8, 2007 2008 2009 2010 Ford Explorer Sport Trac 4.6L V8, 2006 2007 2008 2009 2010 Ford Explorer 4.6L V8

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

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.