Instant Rebates
800.345.4545
Call Our Support Line
24 Hours / 7 Days a Week!  
FREE SHIPPING!
Same Day Shipping Before 11 PM ET
0
My Cart
0
$0.00
Shop By Vehicle
Shop By
Category
Close Menu
Shop By Vehicle
Top Categories
All Categories

All Categories


Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates
Rebates
Help

Autolite 303

COPPER CORE SPARK PLUGS

417-303

Autolite 303 COPPER CORE SPARK PLUGS $2.99
jegs shipping
Estimated ship date 10/23/17 if Ordered Today
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
Need it Sooner? This similar item ships today!
MSD Ignition Iridium Spark Plug Heat Range: 6
MSD Ignition 121-3740
$6.48
View Details
COPPER CORE SPARK PLUGS

Specifications:

Center Electrode Core Material
Copper
Center Electrode Tip Material
Copper
Insulator Material
Ceramic
Center Electrode Design
Standard / Regular
Thread Size
14mm X 1.25
Seat Style
Gasket
Ground Electrode Tip Material
Copper
Resistor
Resistor
Insulator Type
Short Projection
Gap- Factory Preset
.034"/0.9mm
Drive Size
13/16" (21mm)
Reach (in)
3/8"
Manufacturer's Part Number:
303

Does Autolite 303 fit your vehicle?

Narrow Results
Filter By
Year
Filter By
Make
Filter By
Model
Filter By
SubModel
Filter By
EngineType
Filter By
CC
Filter By
Liter

1955 INTERNATIONAL R110

  • CC: 3608
  • Liter: 3.6
  • SubModel: BASE
  • CUI: 220
  • EngineType: L6 ( 3.6 L / 220 )

1947-1949 GMC FC250

  • CC: 3737
  • Liter: 3.7
  • SubModel: BASE
  • CUI: 228
  • EngineType: L6 ( 3.7 L / 228 )

1955-1962 PONTIAC LAURENTIAN

  • CC: 4278
  • Liter: 4.3
  • SubModel: BASE
  • CUI: 261
  • EngineType: L6 ( 4.3 L / 261 )

1968 CHEVROLET C30 PICKUP

  • Liter: 5.4
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.4 L / 327 )

1956 INTERNATIONAL S110

  • CC: 3608
  • Liter: 3.6
  • SubModel: BASE
  • CUI: 220
  • EngineType: L6 ( 3.6 L / 220 )

1967-1968 GMC C35/C3500 PICKUP

  • CC: 5358
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1960 CHEVROLET C20 PICKUP

  • CC: 3852
  • Liter: 3.8
  • SubModel: BASE
  • CUI: 235
  • EngineType: L6 ( 3.8 L / 235 )

1972-1973 INTERNATIONAL 1310

  • EngineType: V8 ( 6.4 L / 392 )
  • SubModel: BASE

1956-1959 GMC S300

  • CC: 4425
  • Liter: 4.4
  • SubModel: BASE
  • CUI: 270
  • EngineType: L6 ( 4.4 L / 270 )

1955 CHEVROLET TRUCK

  • CC: 3852
  • Liter: 3.8
  • SubModel: 3100
  • CUI: 235
  • EngineType: L6 ( 3.8 L / 235 )

1952 INTERNATIONAL LM151

  • EngineType: ALL
  • SubModel: ALL

1954-1955 GMC PM152

  • EngineType: ALL
  • SubModel: ALL

1947-1949 GMC FC251

  • CC: 3737
  • Liter: 3.7
  • SubModel: BASE
  • CUI: 228
  • EngineType: L6 ( 3.7 L / 228 )

1955 GMC FM340

  • CC: 4720
  • Liter: 4.7
  • SubModel: BASE
  • CUI: 288
  • EngineType: V8 ( 4.7 L / 288 )

1953 CHEVROLET TWO-TEN SERIES

  • Liter: 3.9
  • SubModel: BASE
  • CUI: 236
  • EngineType: L6 ( 3.9 L / 236 )

1956 INTERNATIONAL SM120

  • EngineType: ALL
  • SubModel: ALL

1976-1980 INTERNATIONAL SCOUT II

  • Liter: 5.0
  • SubModel: TERRA
  • CUI: 304
  • EngineType: V8 ( 5.0 L / 304 )

1967 CHEVROLET C20 SUBURBAN

  • CC: 5358
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1959-1962 PONTIAC PARISIENNE

  • CC: 4278
  • Liter: 4.3
  • SubModel: BASE
  • CUI: 261
  • EngineType: L6 ( 4.3 L / 261 )

1950-1952 INTERNATIONAL LM121

  • EngineType: ALL
  • SubModel: ALL

1961-1962 CHEVROLET C20 PICKUP

  • CC: 4278
  • Liter: 4.3
  • SubModel: BASE
  • CUI: 261
  • EngineType: L6 ( 4.3 L / 261 )

1942-1945 CHEVROLET BL PICKUP

  • CC: 3852
  • Liter: 3.8
  • SubModel: BASE
  • CUI: 235
  • EngineType: L6 ( 3.8 L / 235 )

1967-1968 CHEVROLET K10 PICKUP

  • CC: 5358
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1967 GMC G15/G1500 VAN

  • Liter: 5.4
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.4 L / 327 )

1970 CHEVROLET P20 VAN

  • Liter: 5.7
  • SubModel: BASE
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1969-1970 CHEVROLET BLAZER

  • CC: 5736
  • Liter: 5.7
  • SubModel: BASE
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1975 INTERNATIONAL MS

  • EngineType: ALL
  • SubModel: ALL

1972 INTERNATIONAL 1210

  • EngineType: V8 ( 6.4 L / 392 )
  • SubModel: BASE

1956 INTERNATIONAL S102

  • EngineType: ALL
  • SubModel: ALL

1947-1949 GMC 100-22

  • CC: 3737
  • Liter: 3.7
  • SubModel: BASE
  • CUI: 228
  • EngineType: L6 ( 3.7 L / 228 )

1956-1959 GMC TRUCK

  • CC: 5272
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 322
  • EngineType: V8 ( 5.3 L / 322 )

1967 CHEVROLET C20 SUBURBAN

  • CC: 5358
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1955-1958 CHEVROLET TRUCK

  • CC: 3852
  • Liter: 3.8
  • SubModel: 3600
  • CUI: 235
  • EngineType: L6 ( 3.8 L / 235 )

1972-1974 INTERNATIONAL MS1210

  • CC: 6424
  • Liter: 6.4
  • SubModel: BASE
  • CUI: 392
  • EngineType: V8 ( 6.4 L / 392 )

1960 CHEVROLET BISCAYNE

  • Liter: 3.9
  • SubModel: BASE
  • CUI: 236
  • EngineType: L6 ( 3.9 L / 236 )

1957-1959 PLYMOUTH SAVOY

  • CC: 3770
  • Liter: 3.8
  • SubModel: BASE
  • CUI: 230
  • EngineType: L6 ( 3.8 L / 230 )

1950-1952 CHEVROLET STYLELINE DELUXE

  • Liter: 3.9
  • SubModel: BASE
  • CUI: 236
  • EngineType: L6 ( 3.9 L / 236 )

1972-1973 INTERNATIONAL 1010

  • EngineType: V8 ( 6.4 L / 392 )
  • SubModel: TRAVELALL

1970 CHEVROLET EL CAMINO

  • CC: 5736
  • Liter: 5.7
  • SubModel: BASE
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1967-1969 CHEVROLET K20 PICKUP

  • CC: 5358
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1968 CHEVROLET K20 PICKUP

  • Liter: 5.4
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.4 L / 327 )

1976-1980 INTERNATIONAL SCOUT II

  • Liter: 5.0
  • SubModel: TRAVELER
  • CUI: 304
  • EngineType: V8 ( 5.0 L / 304 )

1969-1970 CHEVROLET C20 PICKUP

  • CC: 5736
  • Liter: 5.7
  • SubModel: BASE
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1969 CHEVROLET K20 SUBURBAN

  • CC: 5358
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1958-1962 PONTIAC STRATO-CHIEF

  • CC: 4278
  • Liter: 4.3
  • SubModel: BASE
  • CUI: 261
  • EngineType: L6 ( 4.3 L / 261 )

1955-1958 PONTIAC PATHFINDER

  • CC: 4278
  • Liter: 4.3
  • SubModel: BASE
  • CUI: 261
  • EngineType: L6 ( 4.3 L / 261 )

1968 GMC C25/C2500 SUBURBAN

  • CC: 5358
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1969-1970 GMC C15/C1500 SUBURBAN

  • Liter: 5.7
  • SubModel: BASE
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1953-1955 GMC 250

  • CC: 4065
  • Liter: 4.1
  • SubModel: BASE
  • CUI: 248
  • EngineType: L6 ( 4.1 L / 248 )

1945-1947 GMC CC101

  • CC: 3737
  • Liter: 3.7
  • SubModel: BASE
  • CUI: 228
  • EngineType: L6 ( 3.7 L / 228 )

1956-1959 GMC PM250

  • CC: 4425
  • Liter: 4.4
  • SubModel: BASE
  • CUI: 270
  • EngineType: L6 ( 4.4 L / 270 )

1956-1959 GMC 250

  • CC: 5272
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 322
  • EngineType: V8 ( 5.3 L / 322 )

1956-1957 GMC 100

  • CC: 5272
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 322
  • EngineType: V8 ( 5.3 L / 322 )

1969-1970 CHEVROLET K10 SUBURBAN

  • CC: 5736
  • Liter: 5.7
  • SubModel: BASE
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1953-1954 GMC M350-27

  • CC: 4065
  • Liter: 4.1
  • SubModel: BASE
  • CUI: 248
  • EngineType: L6 ( 4.1 L / 248 )

1968 CHEVROLET K10 SUBURBAN

  • Liter: 5.4
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.4 L / 327 )

1953-1956 INTERNATIONAL S132

  • CC: 3608
  • Liter: 3.6
  • SubModel: BASE
  • CUI: 220
  • EngineType: L6 ( 3.6 L / 220 )

1955 GMC PM250

  • CC: 4720
  • Liter: 4.7
  • SubModel: BASE
  • CUI: 288
  • EngineType: V8 ( 4.7 L / 288 )

1947-1949 GMC 150-22

  • CC: 3737
  • Liter: 3.7
  • SubModel: BASE
  • CUI: 228
  • EngineType: L6 ( 3.7 L / 228 )

1947-1949 GMC FC100

  • CC: 3737
  • Liter: 3.7
  • SubModel: BASE
  • CUI: 228
  • EngineType: L6 ( 3.7 L / 228 )

1956 INTERNATIONAL S120

  • CC: 3608
  • Liter: 3.6
  • SubModel: BASE
  • CUI: 220
  • EngineType: L6 ( 3.6 L / 220 )

1956 GMC M340

  • CC: 5310
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 324
  • EngineType: V8 ( 5.3 L / 324 )

1959 CHEVROLET 3G PICKUP

  • CC: 3852
  • Liter: 3.8
  • SubModel: 3800
  • CUI: 235
  • EngineType: L6 ( 3.8 L / 235 )

1968 GMC C25/C2500 PICKUP

  • Liter: 5.4
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.4 L / 327 )

1954 GMC 150 PICKUP

  • EngineType: ALL
  • SubModel: ALL

1953-1954 GMC F350-24

  • CC: 4065
  • Liter: 4.1
  • SubModel: BASE
  • CUI: 248
  • EngineType: L6 ( 4.1 L / 248 )

1958-1959 GMC PM151

  • EngineType: ALL
  • SubModel: ALL

1956-1959 GMC 350-8

  • CC: 5272
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 322
  • EngineType: V8 ( 5.3 L / 322 )

1961-1962 GMC SUBURBAN

  • CC: 4278
  • Liter: 4.3
  • SubModel: BASE
  • CUI: 261
  • EngineType: L6 ( 4.3 L / 261 )

1968 CHEVROLET C20 PICKUP

  • Liter: 5.4
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.4 L / 327 )

1956 GMC F350

  • CC: 5310
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 324
  • EngineType: V8 ( 5.3 L / 324 )

1953-1954 GMC PM150-22

  • CC: 4065
  • Liter: 4.1
  • SubModel: BASE
  • CUI: 248
  • EngineType: L6 ( 4.1 L / 248 )

1955-1958 PONTIAC PATHFINDER

  • CC: 4278
  • Liter: 4.3
  • SubModel: BASE
  • CUI: 261
  • EngineType: L6 ( 4.3 L / 261 )

1942-1947 GMC CCV100

  • CC: 3737
  • Liter: 3.7
  • SubModel: BASE
  • CUI: 228
  • EngineType: L6 ( 3.7 L / 228 )

1968 CHEVROLET C20 SUBURBAN

  • Liter: 5.4
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.4 L / 327 )

1947-1949 GMC FC252

  • CC: 3737
  • Liter: 3.7
  • SubModel: BASE
  • CUI: 228
  • EngineType: L6 ( 3.7 L / 228 )

1969-1970 CHEVROLET C30 PICKUP

  • CC: 5736
  • Liter: 5.7
  • SubModel: BASE
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1947-1949 GMC FCS300

  • CC: 3737
  • Liter: 3.7
  • SubModel: BASE
  • CUI: 228
  • EngineType: L6 ( 3.7 L / 228 )

1967 CHEVROLET K20 PANEL

  • Liter: 5.4
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.4 L / 327 )

1970 CHEVROLET G10 VAN

  • Liter: 5.7
  • SubModel: SPORTVAN
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1957-1958 DODGE CUSTOM

  • CC: 3770
  • Liter: 3.8
  • SubModel: BASE
  • CUI: 230
  • EngineType: L6 ( 3.8 L / 230 )

1955 GMC 250 PICKUP

  • EngineType: ALL
  • SubModel: ALL

1953-1954 GMC 350-27

  • CC: 4065
  • Liter: 4.1
  • SubModel: BASE
  • CUI: 248
  • EngineType: L6 ( 4.1 L / 248 )

1956 GMC 250

  • CC: 5310
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 324
  • EngineType: V8 ( 5.3 L / 324 )

1967-1968 GMC C25/C2500 PICKUP

  • CC: 5358
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1956 GMC S370

  • CC: 5310
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 324
  • EngineType: V8 ( 5.3 L / 324 )

1955 GMC PM150

  • CC: 4720
  • Liter: 4.7
  • SubModel: BASE
  • CUI: 288
  • EngineType: V8 ( 4.7 L / 288 )

1954-1955 GMC PM252

  • EngineType: ALL
  • SubModel: ALL

1956 GMC TRUCK

  • CC: 5310
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 324
  • EngineType: V8 ( 5.3 L / 324 )

1966 CHEVROLET C20 PICKUP

  • CC: 5358
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1956-1959 GMC 300

  • CC: 4425
  • Liter: 4.4
  • SubModel: BASE
  • CUI: 270
  • EngineType: L6 ( 4.4 L / 270 )

1958-1959 GMC 100 PICKUP

  • CC: 5272
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 322
  • EngineType: V8 ( 5.3 L / 322 )

1969-1970 GMC K25/K2500 SUBURBAN

  • Liter: 5.7
  • SubModel: BASE
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1961-1962 GMC SUBURBAN

  • CC: 4278
  • Liter: 4.3
  • SubModel: BASE
  • CUI: 261
  • EngineType: L6 ( 4.3 L / 261 )

1956 INTERNATIONAL SM122

  • EngineType: ALL
  • SubModel: ALL

1960-1961 CHEVROLET SUBURBAN

  • Liter: 3.8
  • SubModel: BASE
  • CUI: 235
  • EngineType: L6 ( 3.8 L / 235 )

1953-1954 GMC F350-27

  • CC: 4065
  • Liter: 4.1
  • SubModel: BASE
  • CUI: 248
  • EngineType: L6 ( 4.1 L / 248 )

1968-1969 CHEVROLET K10 SUBURBAN

  • CC: 5358
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1968 CHEVROLET EL CAMINO

  • CC: 5358
  • Liter: 5.3
  • SubModel: BASE
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1946 CHEVROLET CK PICKUP

  • CC: 3852
  • Liter: 3.8
  • SubModel: BASE
  • CUI: 235
  • EngineType: L6 ( 3.8 L / 235 )
Items You May Also Consider

Before you leave us... Receive a free catalog or join our email list

Sign up to receive our catalog or subscribe to our email list now to see our exclusive email only specials, new products, and offers!

Request CatalogJoin Email List