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

Top Categories

All Categories


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

E3 Spark Plugs E3.42

E3 SPARK PLUG 1/pkg

E3 Spark Plugs E3.42

368-E3.42

jegs shipping
Ships
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
E3 Spark Plugs E3.42 E3 SPARK PLUG 1/pkg $5.95
E3 SPARK PLUG
  • 1/pkg

  • Specifications:

    Electrode Core Material
    Copper
    Electrode Tip Material
    Nickel alloy
    Ground Strap Quantity
    One
    Insulator Type
    Projected
    Quantity
    Sold individually
    Resistor
    Yes
    Shorty Spark Plug
    No
    Spark Plug Reach (in.)
    0.44
    Spark Plug Seat Style
    Tapered
    Spark Plug Thread Size (mm)
    14
    Wrench Diameter (in.)
    5/8
    Manufacturer's Part Number:
    E3.42

    Increases engine power 8% to 12% over conventional spark plugs!

    The unique patented electrode configuration of the E3 spark plug increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3 Spark Plugs are Sold (each).




    Features:
  • Produces up to 12% more power, reducing fuel consumption by up to 13% while cutting harmful toxic emissions up to 58%
  • By reducing carbon deposits, your engine will run cleaner and smoother and last longer
  • Edge-to-Edge design concentrates spark energy for easier starts in all weather conditions
  • Do you already have another manufacturer's part number?
    See the E3 Spark Plug Cross Reference Chart

    Does E3 Spark Plugs E3.42 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
    Filter By
    Aspiration

    1971 FORD RANCHERO

    • CC: 7030
    • Liter: 7.0
    • SubModel: 500
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1982-1983 PONTIAC GRAND LEMANS

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1981 MERCURY MARQUIS

    • EngineType: ALL
    • SubModel: ALL

    1975-1976 DODGE D200 PICKUP

    • CC: 3687
    • Liter: 3.7
    • SubModel: CUSTOM
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1976-1981 CHEVROLET K20 PICKUP

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

    1971 FORD RANCHERO

    • CC: 7030
    • Liter: 7.0
    • SubModel: SQUIRE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1978 PONTIAC GRAND PRIX

    • CC: 3800
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981-1983 CHEVROLET IMPALA

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

    1972 MERCURY MARQUIS

    • CC: 6556
    • Liter: 6.6
    • SubModel: BROUGHAM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1982 DODGE D150 PICKUP

    • CC: 3687
    • Liter: 3.7
    • SubModel: EQUIPADO
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1994-1995 GMC C1500 PICKUP

    • Liter: 4.3
    • SubModel: SIERRA SL
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1983 CHEVROLET MALIBU

    • Liter: 3.8
    • SubModel: BASE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1974 CHEVROLET G30 VAN

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1975-1976 DODGE DART

    • CC: 3687
    • Liter: 3.7
    • SubModel: SPORT
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1988-1989 CHEVROLET S10 BLAZER

    • Liter: 4.3
    • SubModel: SPORT
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1976-1980 CHEVROLET K20 PICKUP

    • Liter: 6.6
    • SubModel: CHEYENNE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970-1973 GMC P15/P1500 VAN

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1975-1979 FORD THUNDERBIRD

    • EngineType: ALL
    • SubModel: ALL

    1981 PONTIAC GRAND PRIX

    • CC: 3800
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1984 FORD E-250 ECONOLINE

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1975-1982 FORD E-250 ECONOLINE

    • Liter: 5.8
    • SubModel: CHATEAU
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1995 CHEVROLET C2500 SUBURBAN

    • Liter: 7.4
    • SubModel: LS
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980 MERCURY MONARCH

    • Liter: 4.2
    • SubModel: BASE
    • CUI: 255
    • EngineType: V8 ( 4.2 L / 255 )

    1982 DODGE D150 PICKUP

    • CC: 3687
    • Liter: 3.7
    • SubModel: ESTACAS
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1994-1995 GMC C1500 PICKUP

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

    1976 CHEVROLET MALIBU

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 CHEVROLET G30 VAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981 DODGE DIPLOMAT

    • CC: 3687
    • Liter: 3.7
    • SubModel: SPORT
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1982-1984 BUICK REGAL

    • Liter: 4.1
    • SubModel: LIMITED
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1989-1990 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1979 CHEVROLET P30 VAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: STEP-VAN
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976 CHEVROLET K20 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: SCOTTSDALE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1982-1983 CHEVROLET K10 SUBURBAN

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

    1988-1989 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: ALL

    1971 GMC P25/P2500 VAN

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1980 CHEVROLET MONTE CARLO

    • CC: 3800
    • Liter: 3.8
    • SubModel: SPORT
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1983-1985 FORD THUNDERBIRD

    • Liter: 5.0
    • SubModel: LX
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1970-1971 MERCURY CYCLONE

    • CC: 7030
    • Liter: 7.0
    • SubModel: GT
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1971 GMC SPRINT

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1994 GMC K1500

    • Liter: 4.3
    • SubModel: SIERRA SL
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1976-1978 CHEVROLET NOVA

    • EngineType: ALL
    • SubModel: POLICE

    1986 PONTIAC GRAND PRIX

    • CC: 3800
    • Liter: 3.8
    • SubModel: BROUGHAM
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1985 FORD E-250 ECONOLINE

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1971 GMC C15/C1500 SUBURBAN

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1975-1980 FORD E-250 ECONOLINE

    • Liter: 7.5
    • SubModel: CUSTOM
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1980 CHEVROLET K30 PICKUP

    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1994 CHEVROLET BLAZER

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

    1982-1983 GMC JIMMY

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

    1982-1984 CHEVROLET K10 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: CUSTOM
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1995 CHEVROLET C2500 SUBURBAN

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

    1972-1973 MERCURY MONTEGO

    • CC: 6556
    • Liter: 6.6
    • SubModel: GT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976 DODGE DART

    • CC: 3687
    • Liter: 3.7
    • SubModel: SWINGER
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1982 PONTIAC GRAND PRIX

    • Liter: 4.1
    • SubModel: BROUGHAM
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1994-1995 GMC C1500 PICKUP

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

    1974 CHEVROLET MALIBU

    • CC: 4098
    • Liter: 4.1
    • SubModel: CLASSIC
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1977-1978 GMC C25 SUBURBAN

    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973-1974 PONTIAC BONNEVILLE

    • CC: 7457
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1983-1984 CHEVROLET G30 VAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: BONAVENTURE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1987-1988 CHEVROLET CAPRICE

    • CC: 5031
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 DODGE D100 PICKUP

    • CC: 3687
    • Liter: 3.7
    • SubModel: WARLOCK II
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1979-1981 DODGE ST. REGIS

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1995-1996 FORD F-350

    • Liter: 7.5
    • SubModel: SPECIAL
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1984-1985 BUICK RIVIERA

    • CC: 3800
    • Liter: 3.8
    • SubModel: LUXURY
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1971 GMC K35/K3500 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1994-1995 CHEVROLET S10 PICKUP

    • Liter: 4.3
    • SubModel: SS
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1983-1984 FORD E-150 ECONOLINE

    • Liter: 5.8
    • SubModel: XL
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1973 FORD CUSTOM 500

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1991 CHEVROLET R1500 SUBURBAN

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

    1980 CHEVROLET K20 PICKUP

    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 CHEVROLET K10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1970 CHEVROLET G10 VAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969-1974 MERCURY MONTEGO

    • CC: 5753
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1971-1972 FORD MUSTANG

    • EngineType: ALL
    • SubModel: BOSS 351

    1980 GMC C1500 PICKUP

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

    1976 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: CONCOURS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980-1981 OLDSMOBILE CUTLASS CRUISER

    • CC: 3800
    • Liter: 3.8
    • SubModel: BROUGHAM
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977 CHEVROLET MONZA

    • CC: 5031
    • Liter: 5.0
    • SubModel: MIRAGE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 FORD THUNDERBIRD

    • Liter: 5.0
    • SubModel: SILVER ANNIVERSARY
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1975-1979 FORD F-150

    • Liter: 7.5
    • SubModel: RANGER XLT
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1985 CHEVROLET IMPALA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1970 MERCURY CYCLONE

    • CC: 5752
    • Liter: 5.8
    • SubModel: SPOILER
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1977 GMC SPRINT

    • Liter: 4.1
    • SubModel: CLASSIC
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1993 GMC K1500

    • Liter: 4.3
    • SubModel: SIERRA SPORT
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1981-1984 BUICK ELECTRA

    • Liter: 4.1
    • SubModel: PARK AVENUE
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1976-1981 CHEVROLET P20 VAN

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

    1981 PONTIAC GRAND PRIX

    • CC: 3800
    • Liter: 3.8
    • SubModel: BROUGHAM
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1975 FORD E-250 ECONOLINE

    • Liter: 5.0
    • SubModel: CHATEAU
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1973 GMC C1500 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1989 FORD E-250 ECONOLINE

    • Liter: 7.5
    • SubModel: CUSTOM
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1977-1980 CHEVROLET K30 PICKUP

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

    1982-1984 GMC K1500 PICKUP

    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 CHEVROLET BLAZER K5

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1982 GMC JIMMY

    • Liter: 5.0
    • SubModel: STREET COUPE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1976 CHEVROLET K10 PICKUP

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

    1978-1980 CHEVROLET C30 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: CHEYENNE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1983-1984 CHEVROLET G20 VAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: SPORTVAN
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1978 CHRYSLER LEBARON

    • CC: 3687
    • Liter: 3.7
    • SubModel: S
    • CUI: 225
    • EngineType: L6 ( 3.7 L / 225 )

    1994-1995 GMC K2500 SUBURBAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974 CHEVROLET CAPRICE

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CLASSIC
    • Engine Vin: T
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1983 CHEVROLET K20 PICKUP

    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )
    E3.42 - E3 Spark Plugs is rated 5.0 out of 5 by 9.
    Rated 5 out of 5 by from Great Plugs I bought these for replacement plugs for my truck and am glad I did. They have helped greatly with more power and better fuel mileage.
    Date published: 2018-01-01
    Rated 5 out of 5 by from Super Seller Just another smoooooth JEGS transaction. Am using E-3.42 spark plugs on both of my vehicles.
    Date published: 2017-10-18
    Rated 5 out of 5 by from A great buy I recommend it to any one .i notice the difference once i put them in my gas hand did move like it used to move. And now it get up n move. A great buy
    Date published: 2017-07-30
    Rated 5 out of 5 by from E3 plugs rock Have them in two different vehicles and am happy with the performance of both.
    Date published: 2016-12-15
    Rated 5 out of 5 by from I can't believe the difference these plugs make. I can feel the difference in power these plugs make over the other (Autolite) plugs. I have used E3 in the past, but the new style is much better. I am putting these in all my pickups.
    Date published: 2016-10-03
    Rated 5 out of 5 by from Works! Starts better idles smoother. Takes the throttle better. 3.8 v6 turbo Buick motor in an elcamino and I don't write reviews on anything
    Date published: 2016-08-05
    Rated 5 out of 5 by from E3 plugs Very happy I bot these plugs would recommend to everyone
    Date published: 2016-03-04
    Rated 5 out of 5 by from Great plugs I've had them in my almost completely stock 93 GMC Jimmy for a little over a month now and they work great! Better fuel economy, and a little more get up and go.
    Date published: 2015-06-17
    • y_2018, m_1, d_20, h_6
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.6
    • cp_1, bvpage1
    • co_hasreviews, tv_1, tr_8
    • loc_en_US, sid_10001_10001_325900, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    which E3 plug is the best for a 2008 scion XB?

    Asked by: Big Dal
    The correct plug for your application is - Part Number: 368-E3.56
    Answered by: Rusty B
    Date published: 2017-11-01
    • y_2018, m_1, d_20, h_6CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.6
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_1
    • loc_en_US, sid_10001_10001_325900, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
    Items You Need

    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