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  2. Auto Parts
  3. Ignition
  4. Secondary Ignition
  5. Spark Plug
  6. NGK 4121

NGK 4121 Spark Plug

NGK 4121 Spark Plug

NGK
Brand:NGK
Part Number: 4121
UPC: 087295041215
Weight: 0.4 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the NGK 4121 Spark Plug for your vehicle. Buy now and secure your purchase online!

Select a vehicle to narrow NGK 4121 Spark Plug fitment info!

Last Updated: 12/14/2017

Years Vehicle Fit NotesFitment Notes

1978

 

1978

 
Mazda Cosmo

1.3L R2 Gas
Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug
Plugs, Trailing
 

Mazda Cosmo



1.3L R2 Gas Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug
Plugs, Trailing

1977

 

1976

 

1977

 

1976

 
Mazda Cosmo

1.3L R2 Gas
Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug
Plugs, Leading
 

Mazda Cosmo



1.3L R2 Gas Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug
Plugs, Leading

1972

 

1971

 

1972

 

1971

 
Mazda R100

1.1L R2 Gas
Standard Spark Plug
2 Per Veh
Gap @ .024
Natural
OE Spark Plug
 

Mazda R100



1.1L R2 Gas Standard Spark Plug
2 Per Veh
Gap @ .024
Natural
OE Spark Plug

1977

 

1976

 

1975

 

1977

 

1976

 

1975

 
Mazda Rotary Pickup

1.3L R2 Gas
Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug
 

Mazda Rotary Pickup



1.3L R2 Gas Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug

1974

 

1974

 
Mazda Rotary Pickup

1.3L R2 Gas
Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .024
OE Spark Plug
 

Mazda Rotary Pickup



1.3L R2 Gas Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .024
OE Spark Plug

1974

 

1973

 

1972

 

1971

 

1974

 

1973

 

1972

 

1971

 
Mazda RX-2

1.1L R2 Gas
Standard Spark Plug
2 Per Veh
Gap @ .024
Natural
OE Spark Plug
 

Mazda RX-2



1.1L R2 Gas Standard Spark Plug
2 Per Veh
Gap @ .024
Natural
OE Spark Plug

1978

 

1977

 

1976

 

1975

 

1978

 

1977

 

1976

 

1975

 
Mazda RX-3

1.1L R2 Gas
Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug
 

Mazda RX-3



1.1L R2 Gas Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug

1974

 

1973

 

1972

 

1974

 

1973

 

1972

 
Mazda RX-3

1.1L R2 Gas
Standard Spark Plug
2 Per Veh
Gap @ .024
Natural
OE Spark Plug
 

Mazda RX-3



1.1L R2 Gas Standard Spark Plug
2 Per Veh
Gap @ .024
Natural
OE Spark Plug

1978

 

1977

 

1976

 

1975

 

1978

 

1977

 

1976

 

1975

 
Mazda RX-4

1.3L R2 Gas
Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug
 

Mazda RX-4



1.3L R2 Gas Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug

1974

 

1974

 
Mazda RX-4

1.3L R2 Gas
Standard Spark Plug
2 Per Veh
Gap @ .024
Natural
OE Spark Plug
 

Mazda RX-4



1.3L R2 Gas Standard Spark Plug
2 Per Veh
Gap @ .024
Natural
OE Spark Plug

1979

 

1979

 
Mazda RX-7

1.1L R2 Gas
Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug
 

Mazda RX-7



1.1L R2 Gas Standard Spark Plug
2 Per Veh
4BBL, Natural
Gap @ .04
OE Spark Plug