Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 NGK Spark Plugs

Sort By
Filter By
Return to Top

BKR9EIX Spark Plugs - Set Of Six

ES#3991431 - bkr9eixKT - BKR9EIX Spark Plugs - Set Of Six - The NGK Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling properties. - NGK - Audi

The NGK Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling properties. We Price Match - Give Us A Call or Chat!
Recommended to be used by various tuners when paired with performance software - recommended gap of .024” +/- .002”

Brand:
NGK - Corporate Logo
ES#:
3991431
Mfg#:
BKR9EIXKT
In Stock
$90.99

This product was last offered at the strikethrough price on
08-11-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#2731766 - 94460KT - Spark Plugs - Set Of Six - Keep your engine running strong - NGK - Audi Porsche
ECS Tuning recommends this product.

Keep your engine running strong We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
2731766
Mfg#:
94460KT
In Stock
$77.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Iridium BKR9EIX Spark Plug - Priced Each

ES#2575952 - BKR9EIX - Iridium BKR9EIX Spark Plug - Priced Each - The NGK Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling properties. - NGK - Audi

The NGK Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling properties. We Price Match - Give Us A Call or Chat!
Recommended to be used by various tuners when paired with performance software - recommended gap of .024” +/- .002”

Brand:
NGK - Corporate Logo
ES#:
2575952
Mfg#:
BKR9EIX
In Stock
$15.13

This product was last offered at the strikethrough price on
08-11-2026

$9.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Priced Each

ES#7573 - BKR6EQUP - Spark Plugs - Priced Each - BKR6EQUP / 3199 - NGK - Audi BMW

BKR6EQUP / 3199 We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
7573
Mfg#:
BKR6EQUP
In Stock
$9.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#2731765 - 94460 - Spark Plug - Priced Each - Keep your engine running strong - NGK - Audi Porsche

Keep your engine running strong We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
2731765
Mfg#:
94460
In Stock
$12.99

This product was last offered at the strikethrough price on
08-03-2026

$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Set Of Eight

ES#3191 - BKR6EQUP 8 - Spark Plug - Set Of Eight - Keep your engine running strong with platinum spark plugs - NGK - Audi BMW

Keep your engine running strong with platinum spark plugs We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
3191
Mfg#:
BKR6EQUP 8
In Stock
$73.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#2219721 - BKR7E - Spark Plugs - Set Of Six - Featuring a copper core and ideal for chip tuned vehicles - NGK - Audi

Featuring a copper core and ideal for chip tuned vehicles We Price Match - Give Us A Call or Chat!
One heat range colder than factory plugs - Beneficial to cars with basic performance upgrades

Brand:
NGK - Corporate Logo
ES#:
2219721
Mfg#:
BKR7E
In Stock
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug (PFR6Q) - Priced Each

ES#7539 - pfr6q - Spark Plug (PFR6Q) - Priced Each - PFR6Q - Factory heat range plugs with platinum cores - NGK - Audi Volkswagen

PFR6Q - Factory heat range plugs with platinum cores We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
7539
Mfg#:
PFR6Q
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#576 - PFR6QS4 - Spark Plugs - Set Of Six - Featuring a laser platinum resistor - NGK - Audi

Featuring a laser platinum resistor We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
576
Mfg#:
PFR6QS4
In Stock
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#2017505 - BKR6EQUA - Spark Plug - Priced Each - BKR6EQUA NGK - NGK - Audi Volkswagen

BKR6EQUA NGK We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
2017505
Mfg#:
BKR6EQUA
In Stock
$9.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Set Of Eight

ES#4996 - BKR6EQUA-8 - Spark Plug - Set Of Eight - Keep your engine running strong with copper core spark plugs - NGK - Audi Volkswagen

Keep your engine running strong with copper core spark plugs We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
4996
Mfg#:
BKR6EQUA-8
In Stock
$85.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings