BDFHYK UF554 ignition coil and 4469 iridium spark plug kit for Hyundai Santa Fe and Kia Optima

6 UF554 ignition coils and 6 4469 iridium spark plugs for listed 2.7L V6 applications

BDFHYK UF554 coil pack and 4469 spark plug service set

UF554 ignition coil replacement set for 2007-2009 Hyundai Santa Fe 2.7L V6

4469 iridium spark plugs with UF554 ignition coils for 2006 Kia Optima 2.7L V6

UF554 273013E100 and 4469 LFR5AIX-11 reference ignition service components

6-coil 6-plug UF554 4469 ignition kit for listed Hyundai and Kia applications

BDFHYK 6 Ignition Coil UF554 and 6 Iridium Spark Plug 4469 For Hyundai 2007-2009 Santa Fe, Kia 2006 Optima 2.7L V6

$76.49

Type Ignition Coil + Spark Plug Set
SKU BDDLZ-BD-05-11323-CK
OE Number For Coil: 273013E100, 27301-3E100, UF554, UF-554, UF554T, C826, U5074, 5C1782, COP378, COP-378, 21A0102, 1788355, 178-8355, 6738308
OE Number For Spark plug:4469, LFR5AIX-11

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Technical Specifications

Brand	BDFHYK
Product Type	Ignition Coil + Iridium Spark Plug Set
Primary Coil Reference	UF554
Spark Plug Reference	4469 / LFR5AIX-11
Package Quantity	6 ignition coils + 6 iridium spark plugs
Includes	6 Ignition Coils + 6 Iridium Spark Plugs
Ignition Coil Construction	Silicon steel core, high-temperature rubber, varnished copper wire
Spark Plug Construction	Iridium electrode with ceramic insulator
Engine	2.7L V6
Listed Vehicle Fitment	Hyundai Santa Fe 2007-2009 2.7L V6; Kia Optima 2006 2.7L V6
OE / Interchange References	UF554, UF-554, UF554T, 273013E100, 27301-3E100, C826, U5074, 5C1782, COP378, COP-378, 21A0102, 1788355, 178-8355, 6738308
Production / Connector Check	Compare OE 27301-3E100 / 273013E100, connector shape and keying, and original ignition configuration before ordering
Common Service Scenarios	Cylinder misfire diagnosis, rough idle, hard starting, hesitation under load, and six-cylinder ignition maintenance
Fitment Checks	Confirm model, year, exact 2.7L V6 engine, OE/reference number, connector shape and keying, coil body, mounting area, boot profile, spark plug reference, and service quantity
Installation Checks	Inspect coils, spark plugs, wiring, connectors, plug wells, oil or moisture; use exact vehicle service specifications for spark plug gap and tightening torque
Important Note	Production-specific ignition configurations can vary; do not select by year and model alone

UF554 Ignition Coil & 4469 Iridium Spark Plug Kit for Hyundai Santa Fe & Kia Optima 2.7L V6

Rough idle, hard starting, hesitation under load, or a cylinder-specific misfire can involve an ignition coil or worn spark plug, but wiring, injectors, fuel delivery, intake leaks, sensors, compression, timing, and other mechanical conditions can create similar symptoms. This BDFHYK ignition service kit combines 6 UF554-style ignition coils with 6 4469 iridium spark plugs for the listed Hyundai Santa Fe and Kia Optima 2.7L V6 applications.

Hyundai Santa Fe & Kia Optima 2.7L V6 Fitment

Make	Model	Years	Engine
Hyundai	Santa Fe	2007-2009	2.7L V6
Kia	Optima	2006	2.7L V6

Fitment check: These applications can vary by production configuration. Compare OE/reference number 27301-3E100 / 273013E100, connector shape and keying, and the original ignition coil before ordering. Do not select the kit by year and model alone.

What Is Included in the UF554 & 4469 Ignition Set?

6 UF554-style ignition coils
6 4469 iridium spark plugs
Matched six-coil and six-plug service quantity for the listed 2.7L V6 applications when fitment is confirmed

UF554 Coil and 4469 Spark Plug Reference Numbers

Ignition coil references: UF554, UF-554, UF554T, 273013E100, 27301-3E100, C826, U5074, 5C1782, COP378, COP-378, 21A0102, 1788355, 178-8355, 6738308.

Spark plug references: 4469, LFR5AIX-11.

Product Details

Ignition Coil Construction	Silicon steel core, high-temperature rubber, varnished copper wire
Spark Plug Construction	Iridium electrode with ceramic insulator
Replacement Type	OE-style aftermarket ignition service components

Common Ignition Service Scenarios

Rough Idle or Cylinder Misfire

Inspect the affected coil, spark plug, connector, wiring, and plug well first. A misfire code identifies a condition to diagnose and does not by itself prove every ignition component is faulty.

Hesitation Under Load

A weak ignition component may become more noticeable during acceleration. Fuel delivery, air leaks, sensors, compression, timing, and other engine conditions should remain part of the diagnosis.

Six-Cylinder Ignition Maintenance

The 6+6 package provides a matched-count service option for the listed 2.7L V6 applications after OE number and connector compatibility are confirmed.

How to Confirm UF554 and 4469 Fitment Before Ordering

Confirm the exact model, year, and 2.7L V6 engine.
Compare UF554 and 27301-3E100 / 273013E100 with the original ignition coil.
Check connector shape and keying, coil body, mounting area, and boot profile.
Confirm the original spark plug or service information matches 4469 / LFR5AIX-11.
For production-specific applications, use the original component and vehicle service information as the final fitment check.

Installation Checks

Work on a cool engine.
Inspect wiring, connectors, boots, plug wells, oil, and moisture.
Compare every new component with the removed part before installation.
Use the exact vehicle service specification for spark plug gap and tightening torque.
Verify connector seating and recheck stored or returning misfire codes after service.

Important: These are BDFHYK OE-style aftermarket service components, not factory-branded Hyundai or Kia parts. Continue diagnosis if symptoms remain after ignition service.

Q: What is included in the UF554 and 4469 Hyundai / Kia ignition kit?
A: The kit includes 6 UF554-style ignition coils and 6 4469 iridium spark plugs.

Q: Which vehicles are listed for this kit?
A: Listed applications are 2007-2009 Hyundai Santa Fe 2.7L V6 and 2006 Kia Optima 2.7L V6.

Q: Why should the OE number and connector be checked before ordering?
A: Production-specific ignition configurations can vary. Compare OE 27301-3E100 / 273013E100, connector shape and keying, and the original coil instead of selecting by year and model alone.

Q: Is this a complete six-cylinder service quantity?
A: The package contains 6 coils and 6 spark plugs, matching a six-cylinder service quantity when the exact listed 2.7L V6 application and ignition configuration are confirmed.

Q: Which UF554 coil references should be compared?
A: Compare UF554, 27301-3E100 / 273013E100, and the listed interchange references with the original coil or service information.

Q: Which spark plug references should be checked?
A: Compare the original spark plug or service information with 4469 / LFR5AIX-11.

Q: Can weak coils or worn spark plugs contribute to rough idle or a misfire?
A: Yes, but wiring, injectors, fuel delivery, intake leaks, sensors, compression, timing, and other mechanical conditions can produce similar symptoms.

Q: Should all six coils and spark plugs always be replaced together?
A: Not automatically. Diagnose first and confirm the exact ignition configuration before service.

Q: What should be checked before installing UF554 coils and 4469 spark plugs?
A: Confirm exact engine, OE/reference number, connector keying, coil body, boot profile, spark plug reference, and use the exact vehicle service specification for gap and tightening torque.

Q: What if a misfire remains after ignition service?
A: Continue diagnosis of wiring, connectors, injectors, fuel pressure, intake leaks, sensors, compression, timing, and other mechanical conditions.

Q: Are these factory Hyundai or Kia parts?
A: No. These are BDFHYK OE-style aftermarket service components, not factory-branded Hyundai or Kia parts.

Returns & Refunds

We accept returns within 30 days of delivery for eligible items. If the product is unused and in original condition, you may request a return according to our refund policy. Full policy details: View Refund Policy . We recommend contacting our support team before initiating a return to ensure the fastest resolution.

Customer Support

If you purchased the wrong part, received an incompatible item, or need installation assistance, please contact us directly.

Email: service@bdfhyk.com

Business Hours:

Mon–Fri 9:00–18:00 (GMT+8)

Mon–Fri 19:00–04:00 (UTC−6 / CST)

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Integrated R&D, production, and warehousing. Eliminate middleman markups: same quality at lower prices, superior quality at same prices.

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Rigorous inspection process, international certification standards. Each product includes individual inspection.

Before vs After Replacement

Replacing worn ignition coils and spark plugs helps restore stable ignition and smoother engine performance.

BEFORE

Rough Idle & Engine Vibration Noticeable engine shaking while idling. Irregular exhaust flow may indicate unstable ignition performance.

AFTER

Fast Start & Stable Idle IMore consistent spark delivery reduces misfires and stabilizes idle speed.

BEFORE

Sluggish Acceleration Weak throttle response at lower RPM. Vehicle may feel underpowered.

AFTER

Enhanced Power Response Improved throttle response and smoother acceleration

BEFORE

Increased Fuel Consumption Poor combustion can lead to higher fuel usage.

AFTER

Improved Fuel Efficiency Optimized ignition supports more efficient combustion.

Performance improvements may vary depending on vehicle condition.