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NGK IX Iridium Spark Plug box 4 (TR5IX) FOR 1974-78 Ford Mustang II - Picture 1 of 3
NGK IX Iridium Spark Plug box 4 (TR5IX) FOR 1974-78 Ford Mustang II - Picture 2 of 3
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Spark Plug-Iridium IX NGK 7397

4.6819 product ratings
StreetFX USA (396)
96.9% positive feedback
Price:
$65.18
Free shipping
Estimated delivery Wed, Nov 19 - Sat, Nov 22
Returns:
30 days returns. Seller pays for return shipping.
Condition:
New
NGK IX Iridium Spark Plug Box of 4 (TR5IX). Iridium IX provides outstanding acceleration, high fuel efficiency and durability. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™.

About this product

Product Identifiers

BrandNGK
Manufacturer Part Number7397
eBay Product ID (ePID)115089474

Product Key Features

California Prop 65 WarningNickel

Additional Product Features

NotesDescription--Iridium IX Spark Plug
Sub TypeSpark Plug
Part TypeSecondary Ignition

All listings for this product

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New
NGK 7397 Iridium IX Spark Plug
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item 2 NGK Spark Plug (Iridium IX) 7397
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NGK Iridium IX Spark Plug For Buick Cady Chevy Ford GMC Jaguar Mazda MB Volvo
item 3 NGK Iridium IX Spark Plug For Buick Cady Chevy Ford GMC Jaguar Mazda MB Volvo
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item 4 Spark Plug-Iridium IX NGK 7397
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NGK Iridium IX Spark Plug (TR5IX 7397) BRAND NEW IN BOX! FREE SHIPPING!
item 5 NGK Iridium IX Spark Plug (TR5IX 7397) BRAND NEW IN BOX! FREE SHIPPING!
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NGK 7397 TR5IX Iridium IX Spark Plug Pack of 2 NEW
item 6 NGK 7397 TR5IX Iridium IX Spark Plug Pack of 2 NEW
$3.53
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item 7 NGK 7397 / TR5IX Iridium IX Spark Plug
$11.00
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item 8 Spark Plug-Iridium IX NGK 7397
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item 9 Spark Plug-Iridium IX NGK 7397 (Quantity of 1)
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item 10 Iridium Spark Plug NGK 7397
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item 11 NGK 7397 NGK Iridium IX Spark Plug
$13.30
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item 12 Iridium Spark Plug NGK 7397
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item 13 Iridium Spark Plug NGK 7397
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NGK SPARK PLUGS 7397 TR5IX Spark Plugs For Iridium IX version of TR5
item 14 NGK SPARK PLUGS 7397 TR5IX Spark Plugs For Iridium IX version of TR5
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item 15 Iridium Spark Plug NGK 7397
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NGK Spark Plug 7397 (EACH); Iridium IX TR5IX 14mm Copper Core, Tapered, HR 5
item 16 NGK Spark Plug 7397 (EACH); Iridium IX TR5IX 14mm Copper Core, Tapered, HR 5
$14.64
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NGK SPARK PLUGS 7397 TR5IX Spark Plugs For Iridium IX version of TR5
item 17 NGK SPARK PLUGS 7397 TR5IX Spark Plugs For Iridium IX version of TR5
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NGK SPARK PLUGS 7397 TR5IX Spark Plugs For Iridium IX version of TR5
item 18 NGK SPARK PLUGS 7397 TR5IX Spark Plugs For Iridium IX version of TR5
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item 19 Ngk Spark Plug P N 7397
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item 20 Iridium Spark Plug NGK 7397
$16.08
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Spark Plug-Iridium IX NGK 7397
item 21 Spark Plug-Iridium IX NGK 7397
$10.19
+$6.00 shipping
Spark Plug-Iridium IX NGK 7397
item 22 Spark Plug-Iridium IX NGK 7397
$9.99
+$6.30 shipping
Spark Plug-Iridium IX NGK 7397
item 23 Spark Plug-Iridium IX NGK 7397
$9.99
+$6.30 shipping
Spark Plug-Iridium IX NGK 7397
item 24 Spark Plug-Iridium IX NGK 7397
$9.99
+$6.30 shipping
Spark Plug-Iridium IX NGK 7397
item 25 Spark Plug-Iridium IX NGK 7397
$16.50
Free shipping
Spark Plug-Iridium IX NGK 7397
item 26 Spark Plug-Iridium IX NGK 7397
$16.74
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Spark Plug-Iridium IX NGK 7397
item 27 Spark Plug-Iridium IX NGK 7397
$16.82
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Spark Plug-Iridium IX NGK 7397
item 28 Spark Plug-Iridium IX NGK 7397
$17.16
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item 29 Iridium Spark Plug NGK 7397
$18.62
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Iridium Spark Plug NGK 7397
item 30 Iridium Spark Plug NGK 7397
$18.62
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Spark Plug-Iridium IX NGK 7397
item 31 Spark Plug-Iridium IX NGK 7397
$18.74
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item 32 Iridium Spark Plug NGK 7397
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One New NGK Iridium Resistor Spark Plug 7397 TR5IX for Ford & more
item 33 One New NGK Iridium Resistor Spark Plug 7397 TR5IX for Ford & more
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item 34 Iridium Spark Plug NGK 7397
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item 35 Spark Plug-Iridium IX NGK 7397
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item 36 Iridium Spark Plug NGK 7397
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Spark Plug-Iridium IX NGK 7397
item 37 Spark Plug-Iridium IX NGK 7397
$20.94
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Set of 4 NGK 7397 Iridium IX Performance Spark Plugs TR5IX
item 38 Set of 4 NGK 7397 Iridium IX Performance Spark Plugs TR5IX
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Set of 4 NGK 7397 Iridium IX Performance Spark Plugs TR5IX
item 39 Set of 4 NGK 7397 Iridium IX Performance Spark Plugs TR5IX
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2 pc NGK 7397 TR5IX Iridium IX Spark Plugs for ZTJ16R10 XP5243 XP106 sr
item 40 2 pc NGK 7397 TR5IX Iridium IX Spark Plugs for ZTJ16R10 XP5243 XP106 sr
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item 41 Spark Plug-Iridium IX NGK 7397
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item 42 4PCS IRIDIUM IX SPARK PLUGS TR5IX 7397 FOR NGK FORD GM CADILLAC CHEVROLET
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Lot of 3 NGK 7397 Iridium IX Performance Spark Plugs TR5IX #7397 NOS Free Shipng
item 43 Lot of 3 NGK 7397 Iridium IX Performance Spark Plugs TR5IX #7397 NOS Free Shipng
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item 44 Set Of 4 NGK 7397 TR5IX Iridium IX Spark Plugs NIB Free Shipping M51
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item 45 NGK IX Iridium Spark Plug (TR5IX) 7397
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item 46 NGK 7397 Iridium IX Spark Plug
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For Chevy Silverado 3500 HD 2007-2019 NGK 7397 Iridium IX Spark Plug
item 47 For Chevy Silverado 3500 HD 2007-2019 NGK 7397 Iridium IX Spark Plug
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For GMC Savana 3500 2003-2019 NGK 7397 Iridium IX Spark Plug
item 48 For GMC Savana 3500 2003-2019 NGK 7397 Iridium IX Spark Plug
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For Ford Ranger 1983-2006 NGK 7397 Iridium IX Spark Plug
item 49 For Ford Ranger 1983-2006 NGK 7397 Iridium IX Spark Plug
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item 50 Genuine NGK NGK Iridium IX Spark Plug 7397
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item 51 Ngk Spark Plugs 7397 Ngk Iridium Ix Spark Plug
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Pack of 4) NGK 7397 Iridium IX Spark Plugs TR5IX Tapered Seat 1.0mm Pre-Gap Size
item 52 Pack of 4) NGK 7397 Iridium IX Spark Plugs TR5IX Tapered Seat 1.0mm Pre-Gap Size
$26.99
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NGK SPARK PLUGS - NGK: Iridium IX Plug 7397
item 53 NGK SPARK PLUGS - NGK: Iridium IX Plug 7397
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NGK 4 Pack Iridium Spark Plugs 7397 (TR5IX) NOS
item 54 NGK 4 Pack Iridium Spark Plugs 7397 (TR5IX) NOS
$18.99
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4 PACK NGK (7397) TR5IX Iridium IX Spark Plugs
item 55 4 PACK NGK (7397) TR5IX Iridium IX Spark Plugs
$27.95
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NGK Iridium IX Spark Plugs, set of 4, 7397 TR5IX
item 56 NGK Iridium IX Spark Plugs, set of 4, 7397 TR5IX
$29.99
Free shipping
Spark Plug-Iridium IX NGK 7397
item 57 Spark Plug-Iridium IX NGK 7397
$15.00
+$15.00 shipping
Spark Plug-Iridium IX NGK 7397
item 58 Spark Plug-Iridium IX NGK 7397
$32.99
Free shipping
Set Of 4 NGK 7397 TR5IX Iridium IX Spark Plug
item 59 Set Of 4 NGK 7397 TR5IX Iridium IX Spark Plug
$24.99
+$8.99 shipping
listings for this product

Ratings and Reviews

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4.7
19 product ratings
  • 16 users rated this 5 out of 5 stars
  • 2 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • by jepul2171
    Oct 11, 2025

    I was very worried that these spark plug...

    I was very worried that these spark plugs were not authentic. I installed them on my car and everything seemed OK for about a day or two and then I started hearing a weird noise so I am removing the spark plugs 

    Verified purchase: YesCondition: New

  • by sodusmike
    May 30, 2019

    Nice but expensive

    I always try to use the best plugs .

    Verified purchase: YesCondition: New

  • by vroom000
    Apr 02, 2018

    way better gas mileage

    Verified purchase: YesCondition: New

  • by burrrr30
    Mar 15, 2017

    Great product

    Great sparklugs no gapping needed

    Verified purchase: YesCondition: New

  • by karlalar
    Jun 07, 2021

    great plugs

    amazing performance

    Verified purchase: YesCondition: New

  • by YmJzwbMDSeu@Deleted
    Aug 16, 2016

    2006 Silverado

    Excellent replacement for the OE AC Delco Plugs.

    Verified purchase: YesCondition: New

  • by vapidop_0
    Nov 05, 2025

    good stuff

    good stuff

    Verified purchase: YesCondition: New

  • by cbur9508
    Oct 14, 2023

    Great job

    They are superb

    Verified purchase: YesCondition: New

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