Skip to main content

Confirm this item fits

Add your vehicle to make sure this item fits and qualifies for free returns.

Picture 1 of 4

Stock photo
Stock photo
Autolite Resistor Spark Plug Autolite 666 set of 4 - Picture 1 of 4
Autolite Resistor Spark Plug Autolite 666 set of 4 - Picture 2 of 4
Autolite Resistor Spark Plug Autolite 666 set of 4 - Picture 3 of 4
Autolite Resistor Spark Plug Autolite 666 set of 4 - Picture 4 of 4

Spark Plug-Copper Resistor Autolite 666

4.676 product ratings
GOOD AUTO PARTS (2021)
98.5% positive feedback
Price:
$15.00
US $5.00 delivery in 2–4 days
Get it between Thu, Oct 23 and Sat, Oct 25
Returns:
30 days returns. Seller pays for return shipping.
Condition:
New

About this product

Product Identifiers

BrandAutolite
Manufacturer Part Number666
eBay Product ID (ePID)99088809

Product Key Features

California Prop 65 WarningNickel

Additional Product Features

NotesDescription--Copper Resistor
Sub TypeSpark Plug
Part TypeSecondary Ignition

All listings for this product

Buy It Nowselected
New
AUTOLITE SPARK PLUG,666
Last one
item 1 AUTOLITE SPARK PLUG,666
$2.65
Free shipping
Autolite 666 Spark Plug, Lot of 3
item 2 Autolite 666 Spark Plug, Lot of 3
$3.00
Spark Plug-Copper Resistor Autolite 666
item 3 Spark Plug-Copper Resistor Autolite 666
$3.49
Free shipping
Spark Plug-Natural Autolite 666 (1 Spark Plug Only)
item 4 Spark Plug-Natural Autolite 666 (1 Spark Plug Only)
$3.90
Free shipping
Spark Plug-Copper Resistor Autolite 666 NOS
item 5 Spark Plug-Copper Resistor Autolite 666 NOS
$4.00
Spark Plug-Copper Resistor Autolite 666 NOS
item 6 Spark Plug-Copper Resistor Autolite 666 NOS
$4.00
Spark Plug-Copper Resistor Autolite 666 NOS
item 7 Spark Plug-Copper Resistor Autolite 666 NOS
$4.00
Spark Plug-Copper Resistor Autolite 666 NOS
item 8 Spark Plug-Copper Resistor Autolite 666 NOS
$4.00
Autolite 666 Copper Resistor Spark Plug NOS Genuine OEM Ignition Part
item 9 Autolite 666 Copper Resistor Spark Plug NOS Genuine OEM Ignition Part
$4.00
Spark Plug-Copper Resistor Autolite 666
item 10 Spark Plug-Copper Resistor Autolite 666
$4.00
Spark Plug-Copper Resistor Autolite 666 NOS
item 11 Spark Plug-Copper Resistor Autolite 666 NOS
$4.00
GM AC Delco Spark Plugs AC Part # R46TSX
item 12 GM AC Delco Spark Plugs AC Part # R46TSX
$4.30
GM AC Delco Spark Plugs AC Part # R46TSX GM Part # 5613883
item 13 GM AC Delco Spark Plugs AC Part # R46TSX GM Part # 5613883
$4.30
Spark Plug-Copper Resistor Autolite 666
item 14 Spark Plug-Copper Resistor Autolite 666
$4.99
Free shipping
Spark Plug-Copper Resistor Autolite 666
item 15 Spark Plug-Copper Resistor Autolite 666
$5.59
GM AC Delco Spark Plugs AC Part # R46TSX GM Part # 5613883
item 16 GM AC Delco Spark Plugs AC Part # R46TSX GM Part # 5613883
$5.85
Free shipping
Autolite Resistor Spark Plug Autolite 666
item 17 Autolite Resistor Spark Plug Autolite 666
$6.05
Free shipping
666 Autolite Automotive Resistor Spark Plug Autolite Resistor Spark Plug
item 18 666 Autolite Automotive Resistor Spark Plug Autolite Resistor Spark Plug
$6.28
Free shipping
Autolite Resistor Spark Plug Autolite 666
item 19 Autolite Resistor Spark Plug Autolite 666
$6.28
Free shipping
Autolite 666 Spark Plugs Qty 2 NOS
item 20 Autolite 666 Spark Plugs Qty 2 NOS
$6.50
Free shipping
Spark Plug-Copper Resistor Autolite 666
item 21 Spark Plug-Copper Resistor Autolite 666
$6.99
Free shipping
Autolite 666 (2) Spark Plugs
item 22 Autolite 666 (2) Spark Plugs
$6.99
Free shipping
(1) Autolite Model 666 Spark Plug
item 23 (1) Autolite Model 666 Spark Plug
$7.09
Free shipping
Spark Plug-Copper Resistor Autolite 666
item 24 Spark Plug-Copper Resistor Autolite 666
$7.10
AUTOLITE copper core 666 2-PACK SPARK PLUGS, BRAND NEW FAST FREE SHIPPING
item 25 AUTOLITE copper core 666 2-PACK SPARK PLUGS, BRAND NEW FAST FREE SHIPPING
$7.99
Free shipping
2 NOS Autolite 666 Spark Plugs
item 26 2 NOS Autolite 666 Spark Plugs
$8.05
Free shipping
Autolite Resistor Spark Plug Autolite 666
item 27 Autolite Resistor Spark Plug Autolite 666
$8.51
Free shipping
Autolite Double Copper Spark Plugs Lot of 2 666
item 28 Autolite Double Copper Spark Plugs Lot of 2 666
$8.70
Free shipping
(4) AUTOLITE Part 666 Automotive Copper Core Spark Plugs.
item 29 (4) AUTOLITE Part 666 Automotive Copper Core Spark Plugs.
$2.99
+$6.25 shipping
Spark Plug-Copper Resistor Autolite 666
item 30 Spark Plug-Copper Resistor Autolite 666
$9.58
Free shipping
NEW OEM Spark Plug-Copper Resistor Autolite 666 (Set of 2)
item 31 NEW OEM Spark Plug-Copper Resistor Autolite 666 (Set of 2)
$9.99
Free shipping
Autolite Resistor Spark Plug Copper 666
item 32 Autolite Resistor Spark Plug Copper 666
$4.37
+$5.95 shipping
Autolite 666 Nascar Performance Copper Core Spark Plugs Box of 4
item 33 Autolite 666 Nascar Performance Copper Core Spark Plugs Box of 4
$10.59
Free shipping
4 Pack - Autolite 666 Copper Resistor Automotive Replacement Spark Plugs
item 34 4 Pack - Autolite 666 Copper Resistor Automotive Replacement Spark Plugs
$10.95
Free shipping
AUTOLITE SPARK PLUG SET OF 1 666 t133
Last one
item 35 AUTOLITE SPARK PLUG SET OF 1 666 t133
$1.49
+$10.00 shipping
Autolite 666 Spark Plug LOT OF 7
item 36 Autolite 666 Spark Plug LOT OF 7
$11.50
Free shipping
Autolite Resistor Spark Plug Autolite 666
item 37 Autolite Resistor Spark Plug Autolite 666
$11.83
Free shipping
Autolite Copper Core Spark Plug Resistor Tapered Seat 14mm x 1.25 Thread 666 4pk
item 38 Autolite Copper Core Spark Plug Resistor Tapered Seat 14mm x 1.25 Thread 666 4pk
$11.99
Free shipping
4 Pack - Autolite 666 Spark Plugs
item 39 4 Pack - Autolite 666 Spark Plugs
$12.00
Free shipping
Autolite Model666 Spark Plug Set For Ford AMC Buick Chevy MercOlds MORE (2) ⭐
item 40 Autolite Model666 Spark Plug Set For Ford AMC Buick Chevy MercOlds MORE (2) ⭐
$12.72
Free shipping
Spark Plug-Copper Resistor Autolite 666
item 41 Spark Plug-Copper Resistor Autolite 666
$12.83
Free shipping
Autolite Resistor Spark Plug Autolite 666
item 42 Autolite Resistor Spark Plug Autolite 666
$12.93
Free shipping
Autolite 666 Nascar Performance Copper Core Spark Plugs- Box of 4- New Old Stock
item 43 Autolite 666 Nascar Performance Copper Core Spark Plugs- Box of 4- New Old Stock
$8.00
+$4.95 shipping
Autolite 666 Nascar Performance Copper Core Spark Plugs- Box of 4- New Old Stock
item 44 Autolite 666 Nascar Performance Copper Core Spark Plugs- Box of 4- New Old Stock
$8.00
+$4.95 shipping
Spark Plug for LLV, S10, Sonoma, Century, Lumina, Cutlass Ciera+More 666
item 45 Spark Plug for LLV, S10, Sonoma, Century, Lumina, Cutlass Ciera+More 666
$12.95
Free shipping
Autolite 666 Copper Resistor Spark Plug - Set of 4
item 46 Autolite 666 Copper Resistor Spark Plug - Set of 4
$12.95
Free shipping
Autolite Copper Spark Plugs 4 Piece Resistor 666 Automotive Replacements
item 47 Autolite Copper Spark Plugs 4 Piece Resistor 666 Automotive Replacements
$12.98
Free shipping
Autolite 666 Nascar Performance Copper Core Spark Plugs Box of 4
item 48 Autolite 666 Nascar Performance Copper Core Spark Plugs Box of 4
$12.99
Free shipping
Autolite Spark Plugs 666 Pack of 4
item 49 Autolite Spark Plugs 666 Pack of 4
$12.99
Free shipping
Autolite 666 Spark Plug Box of 4 Made in USA
item 50 Autolite 666 Spark Plug Box of 4 Made in USA
$14.28
Free shipping
Autolite 666 Spark Plug - Resistor Copper Brand New
item 51 Autolite 666 Spark Plug - Resistor Copper Brand New
$14.89
Free shipping
Autolite Copper Spark Plug 666 in original box 1 set of 4 plugs
item 52 Autolite Copper Spark Plug 666 in original box 1 set of 4 plugs
$14.95
Free shipping
Old Stock 4 Autolite No. 666 Resistor Spark Plugs H1
item 53 Old Stock 4 Autolite No. 666 Resistor Spark Plugs H1
$14.95
Free shipping
NOS Autolite 666 Spark Plug
item 54 NOS Autolite 666 Spark Plug
$14.99
Free shipping
Spark Plug-Copper Resistor Autolite 666
item 55 Spark Plug-Copper Resistor Autolite 666
$15.99
Free shipping
Autolite 666 Spark Plug Box of 4
item 56 Autolite 666 Spark Plug Box of 4
$8.00
+$8.00 shipping
Spark Plug-Copper Resistor Autolite 666
item 57 Spark Plug-Copper Resistor Autolite 666
$9.99
+$6.30 shipping
Spark Plug Fits 1980-1983 Jeep DJ5
item 58 Spark Plug Fits 1980-1983 Jeep DJ5
$16.32
Free shipping
Spark Plug-Copper Resistor Autolite 666 (Package of 4)
item 59 Spark Plug-Copper Resistor Autolite 666 (Package of 4)
$16.87
Free shipping
listings for this product

Ratings and Reviews

Learn more
4.7
6 product ratings
  • 4 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
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • by limegoldf100
    Aug 31, 2016

    Autolite spark plugs

    These are spark plugs so it's not easy to tell how well they work. So far, they seem to be fine.

    Verified purchase: YesCondition: New

  • by mowjojoe1
    Jul 11, 2025

    Delivered very quickly and fit perfectly...

    Delivered very quickly and fit perfectly... Makes my classic car puuurrr! Thanks 👍👍😎

    Verified purchase: YesCondition: Pre-owned

  • by ragdoll1968
    Aug 14, 2019

    Always trusted Auto lite over most any plug.

    Fabuolosu producto

    Verified purchase: YesCondition: New

  • by gami.us.g4u4l18o
    Apr 14, 2023

    Good de6

    Good product

    Verified purchase: YesCondition: Pre-owned

  • by franjimene-6
    Apr 24, 2024

    Satisfied customer!!

    Very satisfied with the value!!

    Verified purchase: YesCondition: New

  • by getghost2003
    Jul 02, 2019

    Good plugs

    Good plugs..

    Verified purchase: YesCondition: New

Best Selling in Spark Plugs

Save on Spark Plugs

Trending price is based on prices over last 90 days.

You may also like