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6 Pack NGK Iridium IX Spark Plugs 2004-2014 Cadillac SRX 3.0L 2.8L 3.6L V6 - Picture 1 of 1

Spark Plug-Iridium IX NGK 6509

4.840 product ratings

YES AUTO PARTS (104535)

98% positive feedback

Price:

$61.90

Free 2-4 day delivery

Get it between Sat, Oct 25 and Tue, Oct 28

Returns:

60 days returns. Seller pays for return shipping.

Condition:

New

2004 Cadillac SRX 3.6L V6. 2006-2009 Cadillac SRX 3.6L V6. 2006 Cadillac SRX 3.6L V6. 2010-2011 Cadillac SRX 2.8L V6. 2010-2011 Cadillac SRX 3.0L V6. 2011 Cadillac SRX 3.0L V6. 2012-2013 Cadillac SRX 3.6L V6.

About this product

Product Identifiers

BrandNGK

Manufacturer Part Number6509

eBay Product ID (ePID)114953505

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

NGK Spark Plug (Iridium IX) (6509) LTR6IX-11

item 1 NGK Spark Plug (Iridium IX) (6509) LTR6IX-11

item 2 NGK Spark Plug (Iridium IX) (6509) LTR6IX-11

Spark Plug-Iridium IX NGK 6509

item 3 Spark Plug-Iridium IX NGK 6509

1 Pack NGK Iridium IX 6509 Spark Plugs LTR6IX-11

item 4 1 Pack NGK Iridium IX 6509 Spark Plugs LTR6IX-11

NGK IRIDIUM IX SPARK PLUGS 6509-LTR6IX-11 Fits Ford Cadillac Mazda Chevrolet..

item 5 NGK IRIDIUM IX SPARK PLUGS 6509-LTR6IX-11 Fits Ford Cadillac Mazda Chevrolet..

+$5.00 shipping

Spark Plug-Iridium IX NGK 6509 (Quantity of 1)

item 6 Spark Plug-Iridium IX NGK 6509 (Quantity of 1)

Spark Plug-Natural NGK 6509

item 7 Spark Plug-Natural NGK 6509

Iridium Spark Plug NGK 6509

item 8 Iridium Spark Plug NGK 6509

Iridium Spark Plug NGK 6509

item 9 Iridium Spark Plug NGK 6509

Spark Plug-Iridium IX NGK 6509

item 10 Spark Plug-Iridium IX NGK 6509

NGK SPARK PLUGS 6509 LTR6IX-11 Spark Plugs For Colder version of LTR5IX-11

item 11 NGK SPARK PLUGS 6509 LTR6IX-11 Spark Plugs For Colder version of LTR5IX-11

Iridium Spark Plug NGK 6509

item 12 Iridium Spark Plug NGK 6509

NGK Iridium IX Spark Plug Hex Size 5/8'' Thread Size 14mm 6509 LTR6IX-11 Single

item 13 NGK Iridium IX Spark Plug Hex Size 5/8'' Thread Size 14mm 6509 LTR6IX-11 Single

NGK SPARK PLUGS 6509 LTR6IX-11 Spark Plugs For Colder version of LTR5IX-11

item 14 NGK SPARK PLUGS 6509 LTR6IX-11 Spark Plugs For Colder version of LTR5IX-11

NGK Spark Plug 6509; Iridium IX LTR6IX-11 14.00mm 25.00mm Tapered EACH

item 15 NGK Spark Plug 6509; Iridium IX LTR6IX-11 14.00mm 25.00mm Tapered EACH

NGK SPARK PLUGS 6509 LTR6IX-11 Spark Plugs For Colder version of LTR5IX-11

item 16 NGK SPARK PLUGS 6509 LTR6IX-11 Spark Plugs For Colder version of LTR5IX-11

item 17 Ngk Spark Plug P N 6509

Iridium Spark Plug NGK 6509

item 18 Iridium Spark Plug NGK 6509

Spark Plug-Iridium IX NGK 6509

item 19 Spark Plug-Iridium IX NGK 6509

2 pc NGK 6509 LTR6IX-11 Iridium IX Spark Plugs for XP5863 XP5363 XP5263 nv

item 20 2 pc NGK 6509 LTR6IX-11 Iridium IX Spark Plugs for XP5863 XP5363 XP5263 nv

2 pc NGK 6509 LTR6IX-11 Iridium IX Spark Plugs for XP5863 XP5363 XP5263 nv

item 21 2 pc NGK 6509 LTR6IX-11 Iridium IX Spark Plugs for XP5863 XP5363 XP5263 nv

Spark Plug-Iridium IX NGK 6509

item 22 Spark Plug-Iridium IX NGK 6509

+$6.00 shipping

4 Pack NGK Iridium IX 6509 LTR6IX-11 Spark Plugs.

item 23 4 Pack NGK Iridium IX 6509 LTR6IX-11 Spark Plugs.

+$6.25 shipping

Spark Plug-Iridium IX NGK 6509

item 24 Spark Plug-Iridium IX NGK 6509

+$6.30 shipping

Spark Plug-Iridium IX NGK 6509

item 25 Spark Plug-Iridium IX NGK 6509

+$6.30 shipping

Spark Plug-Iridium IX NGK 6509

item 26 Spark Plug-Iridium IX NGK 6509

+$6.30 shipping

(QTY 4) NGK LTR6IX-11 6509 Iridium IX Spark Plugs 2006-14 Mazda MX-5 Miata 2.0L

item 27 (QTY 4) NGK LTR6IX-11 6509 Iridium IX Spark Plugs 2006-14 Mazda MX-5 Miata 2.0L

Spark Plug-Iridium IX NGK 6509

item 28 Spark Plug-Iridium IX NGK 6509

Spark Plug-Iridium IX NGK 6509

item 29 Spark Plug-Iridium IX NGK 6509

Iridium Spark Plug NGK 6509

item 30 Iridium Spark Plug NGK 6509

Spark Plug-Iridium IX NGK 6509

item 31 Spark Plug-Iridium IX NGK 6509

Iridium Spark Plug NGK 6509

item 32 Iridium Spark Plug NGK 6509

One New NGK Iridium Resistor Spark Plug 6509 for Buick & more

item 33 One New NGK Iridium Resistor Spark Plug 6509 for Buick & more

Iridium Spark Plug NGK 6509

item 34 Iridium Spark Plug NGK 6509

Spark Plug-Iridium IX NGK 6509

item 35 Spark Plug-Iridium IX NGK 6509

Spark Plug-Iridium IX NGK 6509

item 36 Spark Plug-Iridium IX NGK 6509

Iridium Spark Plug NGK 6509

item 37 Iridium Spark Plug NGK 6509

6PCS OEM NGK #6509 LTR6IX-11 Iridium IX Spark Plugs For Ford Cadillac Chevrolet

item 38 6PCS OEM NGK #6509 LTR6IX-11 Iridium IX Spark Plugs For Ford Cadillac Chevrolet

Iridium IX Spark Plug for F-150, F-250 Super Duty, F-350 Super Duty+More 6509

item 39 Iridium IX Spark Plug for F-150, F-250 Super Duty, F-350 Super Duty+More 6509

Spark Plug-Iridium IX NGK 6509

item 40 Spark Plug-Iridium IX NGK 6509

Iridium Spark Plug NGK 6509

item 41 Iridium Spark Plug NGK 6509

4 Pack NGK Iridium IX Spark Plugs 2012-2013 for Ford Explorer 2.0L L4

item 42 4 Pack NGK Iridium IX Spark Plugs 2012-2013 for Ford Explorer 2.0L L4

4 Pack NGK Iridium IX Spark Plugs 2011-2014 for Mazda MX-5 2.0L L4

item 43 4 Pack NGK Iridium IX Spark Plugs 2011-2014 for Mazda MX-5 2.0L L4

4 Pack NGK Iridium IX 6509 Spark Plugs LTR6IX-11

item 44 4 Pack NGK Iridium IX 6509 Spark Plugs LTR6IX-11

4 Pack NGK Iridium IX Spark Plugs 2006-2014 for Mazda MX-5 Miata 2.0L L4

item 45 4 Pack NGK Iridium IX Spark Plugs 2006-2014 for Mazda MX-5 Miata 2.0L L4

Set Of 4 Spark Plugs 6509 NGK Iridium IX 2006-2014 Mazda MX-5 Miata 2.0L

item 46 Set Of 4 Spark Plugs 6509 NGK Iridium IX 2006-2014 Mazda MX-5 Miata 2.0L

NEW 6PCS OEM Iridium IX Spark Plugs NGK #6509 LTR6IX-11 For 11-15 Ford 5.0L

item 47 NEW 6PCS OEM Iridium IX Spark Plugs NGK #6509 LTR6IX-11 For 11-15 Ford 5.0L

2 pc NGK 6509 LTR6IX-11 Iridium IX Spark Plugs for XP5863 XP5363 XP5263 nv

item 48 2 pc NGK 6509 LTR6IX-11 Iridium IX Spark Plugs for XP5863 XP5363 XP5263 nv

Iridium Spark Plug NGK 6509

item 49 Iridium Spark Plug NGK 6509

Spark Plug-Iridium IX NGK 6509

item 50 Spark Plug-Iridium IX NGK 6509

NGK Set of 4 Iridium IX Spark Plugs 1.1mm Gap 6509 for Ford Mazda

item 51 NGK Set of 4 Iridium IX Spark Plugs 1.1mm Gap 6509 for Ford Mazda

4 Pack Spark Plugs NGK Iridium IX 2006-2014 Mazda MX-5 Miata 2.0L L4 Kit Set

item 52 4 Pack Spark Plugs NGK Iridium IX 2006-2014 Mazda MX-5 Miata 2.0L L4 Kit Set

OEM 6 Pack NGK Iridium IX Spark Plugs 6509 LTR6IX-11 Fits 11-15 Ford Mustang

item 53 OEM 6 Pack NGK Iridium IX Spark Plugs 6509 LTR6IX-11 Fits 11-15 Ford Mustang

NGK Set of 4 Iridium IX Spark Plugs 1.1mm Gap 6509 for Ford Mazda

item 54 NGK Set of 4 Iridium IX Spark Plugs 1.1mm Gap 6509 for Ford Mazda

OEM 6 Pack NGK Iridium IX Spark Plugs 6509 LTR6IX-11 Fits 11-15 Ford Mustang

item 55 OEM 6 Pack NGK Iridium IX Spark Plugs 6509 LTR6IX-11 Fits 11-15 Ford Mustang

6PCS OEM NGK #6509 LTR6IX-11 Iridium IX Spark Plugs For Ford Cadillac Chevrolet

item 56 6PCS OEM NGK #6509 LTR6IX-11 Iridium IX Spark Plugs For Ford Cadillac Chevrolet

NGK Iridium IX Spark Plug (LTR6IX-11) 6509

item 57 NGK Iridium IX Spark Plug (LTR6IX-11) 6509

Spark Plug-Iridium IX NGK 6509

item 58 Spark Plug-Iridium IX NGK 6509

For Ford F-150 2010-2021 NGK 6509 Iridium IX Spark Plug

item 59 For Ford F-150 2010-2021 NGK 6509 Iridium IX Spark Plug

listings for this product

Ratings and Reviews

4.8

40 product ratings

37 users rated this 5 out of 5 stars
1 users rated this 4 out of 5 stars
0 users rated this 3 out of 5 stars
1 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

See all 34 reviews

by 5dollar5star
Aug 02, 2025Top favorable review
Arrived on time with a gift of 4 extra p...
Arrived on time with a gift of 4 extra pieces. I installed them and they work great. Thank you to this wonderful store.
Verified purchase: YesCondition: New
by rutri-jo-eqivb2qe
Mar 24, 2020Top critical review
Horrible
No. They were put on my truck Sunday and I drove 70 miles for vacation and the truck mis fired the whole way. My mechanic had to come with new spark plugs of a different brand.
Verified purchase: YesCondition: New
by izombie_50
Jul 01, 2025
These plugs came factory sealed and new ...
These plugs came factory sealed and new as described. Worked perfect in my V6 Camaro!
Verified purchase: YesCondition: New
by witchywoman01
Oct 02, 2025
Great parts
Great parts
Verified purchase: YesCondition: New
by townsendtre2012
Sep 10, 2019
Great spark plus!!!!!! Worth the money
I installed them in my Cadillac CTS Performance 3.6l coupe. I can honestly say that there Performance and combustion is great
Verified purchase: YesCondition: New
by forme11
Apr 07, 2021
Great product
I get great gas mileage, and the car runs great
Verified purchase: YesCondition: New
by altheman741
Jan 04, 2022
fix my missing
best spark plugs for my 2016 gmc canyon i ever Purchased i would everyone to have set
Verified purchase: YesCondition: New
by war_071
Jul 08, 2025
Great spark plugs and a great price👍
Great spark plugs and a great price👍
Verified purchase: YesCondition: New
by 496zeeee
Nov 23, 2020
NGK plugs
NGK spark plugs are always a good choice.
Verified purchase: YesCondition: New
by bscottjr705
Jan 08, 2020
NGK Part
Original Part A+++++
Verified purchase: YesCondition: New

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