BDFHYK UF647 ignition coil and 92422 Laser Iridium spark plug kit for Kia Hyundai 2.0L

UF647 coil pack set for listed Kia Optima Sportage Hyundai Sonata Santa Fe Sport

92422 SILZKR8E9G Laser Iridium spark plugs with UF647 ignition coils

BDFHYK four ignition coils and four 92422 spark plugs for 2.0L L4 applications

UF647 ignition coil references 27300-2G700 27300-2G000 for Kia Hyundai

Kia Hyundai 2.0L ignition coil and spark plug replacement kit UF647 92422

BDFHYK UF647 92422 kit with 4 coils and 4 Laser Iridium spark plugs

BDFHYK Ignition Coil UF647+Iridium Plugs 92422 For Kia Optima Sportage,Hyundai Santa Fe Sport Sonata 2.0L L4

$43.49

Type Ignition Coil + Spark Plug Set
SKU BDDLZ-BD-05-07373-CK
OE Number For Coil: 273002G700, 273002G000, 273003F100, UF-647, UF647, C856, GN10568, 5C1862, 1788510, 6738310, 48873
OE Number For Spark plug:92422, SILZKR8E9G

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Technical Specifications

Brand	BDFHYK
Product Type	Ignition Coil + Spark Plug Kit
Primary Coil Reference	UF647
Spark Plug Reference	92422 / SILZKR8E9G
Package Quantity	4 Coils + 4 Spark Plugs
Includes	4 Ignition Coils + 4 Laser Iridium Spark Plugs
Ignition Coil Construction	Silicon steel core; high-temperature rubber; varnished copper wire
Spark Plug Construction	Laser Iridium spark plug; ceramic insulator
Engine	Listed Kia / Hyundai 2.0L L4 applications
Listed Vehicle Fitment	2011-2015 Kia Optima; 2011-2016 Kia Sportage; 2013-2015 Hyundai Santa Fe Sport; 2011-2014 Hyundai Sonata — listed 2.0L L4 applications
OE / Interchange References	UF647; UF-647; 27300-2G700; 27300-2G000; 27300-3F100; C856; GN10568; 5C1862; 1788510; 6738310; 48873; 92422; SILZKR8E9G
Common Service Scenarios	Misfire, rough idle, hard starting or hesitation after diagnosis supports ignition service
Fitment Checks	Confirm exact year/model/2.0L L4 engine, original connector, coil body/mounting/boot and spark plug reference
Installation Checks	Follow exact Kia or Hyundai service information for spark plug gap and torque
Important Note	A misfire DTC does not prove coil failure; other electrical, fuel, air or mechanical faults can cause similar symptoms

UF647 Ignition Coil & 92422 Laser Iridium Spark Plug Kit for Kia & Hyundai 2.0L L4

Misfire, rough idle, hard starting or hesitation can involve worn ignition components, while similar symptoms can also come from wiring, injectors, fuel delivery, intake leaks, sensors or mechanical faults. This BDFHYK UF647 ignition coil and 92422 / SILZKR8E9G Laser Iridium spark plug kit contains four coils and four plugs for listed Kia and Hyundai 2.0L L4 applications. Confirm the exact engine, original coil and spark plug references before ordering.

UF647 / 92422 Kia & Hyundai 2.0L L4 Fitment

Kia Optima 2011-2015 — listed 2.0L L4 applications
Kia Sportage 2011-2016 — listed 2.0L L4 applications
Hyundai Santa Fe Sport 2013-2015 — listed 2.0L L4 applications
Hyundai Sonata 2011-2014 — listed 2.0L L4 applications

What Is Included in the UF647 / 92422 Kit?

4 ignition coils
4 92422 / SILZKR8E9G Laser Iridium spark plugs

UF647 Ignition Coil Reference Numbers

UF647, UF-647, 27300-2G700, 27300-2G000, 27300-3F100, C856, GN10568, 5C1862, 1788510, 6738310, 48873. Compare connector keying, coil body, mounting and printed references with the original part before ordering.

Common Ignition Service Scenarios

Misfire or rough idle after diagnostic inspection
Hard starting or hesitation with worn ignition components
Four-cylinder ignition service when coil and spark plug condition supports replacement

How to Confirm UF647 & 92422 Fitment Before Ordering

Confirm the exact Kia or Hyundai year, model and 2.0L L4 engine.
Compare the original coil connector, body, mounting, boot profile and printed reference numbers.
Confirm spark plug reference 92422 / SILZKR8E9G for the exact engine application.
Verify a four-position ignition service quantity.
Follow the exact Kia or Hyundai service information for spark plug gap and torque.

Diagnostic note: A misfire DTC does not prove an ignition coil has failed. Inspect wiring, connectors, injectors, fuel delivery, intake or vacuum leaks, sensors, compression and mechanical timing as applicable.

Difficulty Moderate

Estimated Time 0.5–1 hour

Tools Required

Screwdrivers
Service manual specific to your vehicle
Socket set and ratchet
Wrenches

Pre-Installation Checklist

Stop the engine before disassembling or replacing the ignition coil.
Check the spark plugs and spark plug wires as part of diagnosis.
Keep the installation area clean and dry.
Make sure the ignition coil connections are correct.
Refer to the service manual for your specific vehicle because removal order and connector or fastener details can vary by make and model.
Disconnect the negative battery cable before working on the ignition system.

Installation Steps

Disconnect the battery. Remove the negative battery cable by loosening the clamp bolt with a socket or wrench.
Locate the ignition coils on top of the engine. They may be attached to the engine block or surrounding components.
Disconnect and remove the old ignition coil. Remove the mounting bolts or screws and disconnect the electrical connector(s). The order can vary by vehicle, so follow the vehicle-specific service manual. Remove the old coil once fully disconnected.
If one coil serves multiple spark plugs and has multiple electrical connections, mark or label the connectors so they can be reattached to the correct terminals.
Install the new ignition coil in the reverse order of removal. Secure the mounting bolts or screws and reconnect the electrical connector(s) in the correct positions.
Reconnect the negative battery terminal. Hand-tighten the connection, then tighten the terminal bolt with a socket or wrench. Do not over-tighten.
Close the hood, start the engine with the vehicle in Park, and confirm it starts and idles normally. If it does, test-drive the vehicle.

Post-Installation Verification

Confirm the new ignition coil is securely mounted.
Confirm all electrical connectors are connected to the correct terminals.
Confirm the negative battery terminal is reconnected and tightened sufficiently without over-tightening.
Start the engine in Park and confirm it starts and idles normally.
If idle is normal, test-drive the vehicle and check for remaining misfire or drivability symptoms.

Troubleshooting

Spark plug and wire checks from the manual:
With the engine running, disconnect spark plug wires one at a time and observe engine-speed or roughness changes; the manual states that no significant change can indicate a bad spark plug.
The manual describes checking for spark by holding the end of a disconnected spark plug wire near a metal surface and looking or listening for a spark or cracking sound.
While the engine is cranked, check for spark at each spark plug wire; the manual states that no spark can indicate a dead wire.
Make sure battery, ignition, coil, and spark-plug wire connections are secure. Wiggle connections and retest if a loose connection is suspected.
Keep spark plug ends clean and free of dirt, oil, or grease; clean and retest before replacing a plug.
Inspect wires for cracked, cut, scraped, or burned insulation. Check boots and terminals for damage, corrosion, or poor contact.
Check for corrosion between the boot, spark plug, and ignition coil, and inspect the spark plug for discoloration or damage.
Inspect spring clips and wire retention at the distributor and spark plug ends to make sure connections are held securely.
Ignition coil failure can cause one or more cylinders to misfire, stuttering, sluggishness, and other drivability issues.

BDFHYK Ignition Coil Installation Guide

Q: What is included in this UF647 / 92422 kit?
A: The kit includes 4 UF647-style ignition coils and 4 92422 / SILZKR8E9G Laser Iridium spark plugs.

Q: Which vehicles are listed for this kit?
A: It is listed for specified 2.0L L4 applications of the 2011-2015 Kia Optima, 2011-2016 Kia Sportage, 2013-2015 Hyundai Santa Fe Sport and 2011-2014 Hyundai Sonata.

Q: Which engine should be confirmed?
A: Confirm the exact 2.0L L4 engine. These model ranges can include other engine configurations, so the model name alone is not sufficient.

Q: Which ignition coil references can I compare?
A: Compare UF647, 27300-2G700, 27300-2G000 or 27300-3F100 as applicable, plus the original connector, coil body and mounting.

Q: What type of spark plug is 92422?
A: 92422 cross-references SILZKR8E9G and is a Laser Iridium spark plug reference.

Q: Is this a genuine OEM Kia or Hyundai part?
A: No. This is an OE-style aftermarket replacement kit. Confirm the original references and physical interfaces before installation.

Q: Does a misfire code prove an ignition coil has failed?
A: No. Wiring, connectors, injectors, fuel delivery, intake or vacuum leaks, sensors, compression and mechanical timing can produce similar symptoms.

Q: Should all four coils and plugs be replaced together?
A: Replacement scope should follow diagnosis and the service plan. The kit supplies four coils and four plugs for a complete four-position service when appropriate.

Q: How should fitment be confirmed before ordering?
A: Confirm year, model, exact 2.0L L4 engine, connector keying, coil body and mounting, printed references and the required spark plug number.

Q: What gap and torque should be used for the spark plugs?
A: Use the exact Kia or Hyundai service specification for the specific engine. Do not use a generic value across all applications.

Q: What if rough idle or misfire remains after replacement?
A: Continue diagnosis of electrical connections, injectors, fuel delivery, air leaks, sensors, compression and timing rather than assuming the new ignition parts are the cause.

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

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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.