10 bestSpark Plugsof October 2025
112M consumers helped this year.
12% off
1

ACDelco R45TS Professional Conventional Spark Plug (8 Pack)
ACDelco

10.0
2

NGK LKR7DIX-11S Iridium IX Spark Plug (93175 Iridium Ix), 4 Pack
NGK

10.0
3

New Motorcraft SP548 Spark Plug Set of 8 For Ford Mustang F-150 2011-2017
Ford

9.8
4

NGK 8 Pack of Genuine OEM (3951) Spark Plugs # TR55-8PK
NGK

9.6
5

NGK 4 Pack of Genuine OEM Replacement Spark Plugs # DCPR6E-4PK
NGK

9.4
OtherUp to 14% off
6

ACDelco 41-962 Professional Platinum Spark Plug, (8)
ACDelco

9.2
7

NGK (7131) BPR6ES Standard Spark Plug (4 Pack)
NGK

8.9
8

ACDelco R44T Professional Conventional Spark Plug (Pack of 8)
ACDelco

8.6
9

DENSO # 3324 Iridium LONG LIFE Spark Plugs -- SK16R11 ----- 4 PCS NEW
Denso

8.4
10

491055 Spark Plug for Champion RC12YC Briggs & Stratton M78543 491055 491055S 805015 72347 491055T 72347GS 805015 25 132 12-S 132 02-S
MOTOALL

8.1

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