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  2. Auto Parts
  3. Ignition
  4. Secondary Ignition
  5. Spark Plug
  6. Denso 4038

Denso 4038 Spark Plug

Denso 4038 Spark Plug
Denso 4038 Spark Plug Image 1
Denso 4038 Spark Plug

Denso
Brand:Denso
Part Number: 4038
UPC: 042511040380
Condition:New



On Sale:

$2.88

Availability:
3 in Stock
Warehouse: US-7
Quantity:

Product Information

Description:

Get the Denso 4038 Spark Plug for your vehicle. Buy now and secure your purchase online!

U-Groove design provides better ignitability for increased engine efficiency.

Specifications:

Center Electrode Core Material:
Copper
Center Electrode Tip Material:
Nickel
Gap Size:
0.7 mm
Ground Configuration:
Standard
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
U-Groove
Hex Size:
20.6 mm
Manufacturer Heat Range:
24
Reach:
12.70 mm
Seat Type:
Flat
Thread Diameter:
14.00 mm
DENSO Auto Parts #:
W24FS-U
Country of Origin:
CN

Select a vehicle to narrow Denso 4038 Spark Plug fitment info!

Last Updated: 11/08/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

2002

 

2001

 

2000

 

1999

 

2002

 

2001

 

2000

 

1999

 
ATK 50 MX

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

ATK 50 MX



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1992

 

1992

 
Gas Gas Enducross 50

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Gas Gas Enducross 50



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1970

 

1969

 

1968

 

1970

 

1969

 

1968

 
Kawasaki F3 Bushwhacker

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki F3 Bushwhacker



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1970

 

1969

 

1970

 

1969

 
Kawasaki F4

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki F4



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1973

 

1972

 

1971

 

1973

 

1972

 

1971

 
Kawasaki F6

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki F6



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1972

 

1971

 

1972

 

1971

 
Kawasaki F8

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki F8



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1974

 

1973

 

1972

 

1971

 

1970

 

1969

 

1974

 

1973

 

1972

 

1971

 

1970

 

1969

 
Kawasaki G3SS

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki G3SS



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1970

 

1969

 

1970

 

1969

 
Kawasaki G3TR

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki G3TR



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1975

 

1974

 

1973

 

1972

 

1975

 

1974

 

1973

 

1972

 
Kawasaki G5

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki G5



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1979

 

1978

 

1977

 

1976

 

1975

 

1979

 

1978

 

1977

 

1976

 

1975

 
Kawasaki KD125

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki KD125



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1977

 

1976

 

1977

 

1976

 
Kawasaki KE100

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki KE100



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1979

 

1978

 

1977

 

1976

 

1979

 

1978

 

1977

 

1976

 
Kawasaki KE125

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki KE125



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1978

 

1977

 

1976

 

1978

 

1977

 

1976

 
Kawasaki KE175

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki KE175



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1976

 

1976

 
Kawasaki KH100

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki KH100



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1977

 

1976

 

1977

 

1976

 
Kawasaki KH400

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki KH400



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1975

 

1974

 

1975

 

1974

 
Kawasaki KS125

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki KS125



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1979

 

1979

 
Kawasaki KX80

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki KX80



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1975

 

1974

 

1975

 

1974

 
Kawasaki S3 Mach II

-L U/K
3
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Kawasaki S3 Mach II



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

3 Per Vehicle

1999

 

1998

 

1999

 

1998

 
KTM 50 Mini Adventure

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

KTM 50 Mini Adventure



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1996

 

1996

 
KTM 50 SXR Pro Jr

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

KTM 50 SXR Pro Jr



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1996

 

1996

 
KTM 50 SXR Pro Sr

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

KTM 50 SXR Pro Sr



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1983

 

1982

 

1981

 

1980

 

1983

 

1982

 

1981

 

1980

 
Suzuki RM60

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Suzuki RM60



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1977

 

1976

 

1975

 

1974

 

1973

 

1977

 

1976

 

1975

 

1974

 

1973

 
Suzuki RV90

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Suzuki RV90



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1977

 

1976

 

1975

 

1974

 

1973

 

1977

 

1976

 

1975

 

1974

 

1973

 
Suzuki TC100

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Suzuki TC100



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1977

 

1976

 

1975

 

1974

 

1973

 

1972

 

1977

 

1976

 

1975

 

1974

 

1973

 

1972

 
Suzuki TC125

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Suzuki TC125



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1977

 

1976

 

1975

 

1974

 

1973

 

1977

 

1976

 

1975

 

1974

 

1973

 
Suzuki TS100

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Suzuki TS100



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1977

 

1976

 

1977

 

1976

 
Suzuki TS125

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Suzuki TS125



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1971

 

1970

 

1971

 

1970

 
Yamaha CS3

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha CS3



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1987

 

1986

 

1985

 

1987

 

1986

 

1985

 
Yamaha CV80 Riva 80

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha CV80 Riva 80



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1970

 

1969

 

1970

 

1969

 
Yamaha DS6

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha DS6



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1972

 

1972

 
Yamaha DS7

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha DS7



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1975

 

1974

 

1975

 

1974

 
Yamaha DT100

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha DT100



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1981

 

1980

 

1979

 

1978

 

1977

 

1981

 

1980

 

1979

 

1978

 

1977

 
Yamaha ET250

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha ET250



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1995

 

1994

 

1995

 

1994

 
Yamaha FX700 FX-1

-L U/K
2
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha FX700 FX-1



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

2 Per Vehicle

1971

 

1970

 

1971

 

1970

 
Yamaha HS1

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha HS1



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1972

 

1972

 
Yamaha LT2M

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha LT2M



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1973

 

1973

 
Yamaha LTMX

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha LTMX



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1969

 

1969

 
Yamaha R3

-L U/K
2
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha R3



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

2 Per Vehicle

1972

 

1971

 

1970

 

1972

 

1971

 

1970

 
Yamaha R5

-L U/K
2
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha R5



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

2 Per Vehicle

1975

 

1975

 
Yamaha RD125

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha RD125



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1975

 

1974

 

1975

 

1974

 
Yamaha RD200

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha RD200



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1975

 

1974

 

1973

 

1975

 

1974

 

1973

 
Yamaha RD250

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha RD250



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1975

 

1974

 

1973

 

1975

 

1974

 

1973

 
Yamaha RD350

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha RD350



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Yamaha RS100

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha RS100



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1983

 

1983

 
Yamaha RX50

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha RX50



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
Yamaha SJ650 Super Jet

-L U/K
2
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha SJ650 Super Jet



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

2 Per Vehicle

1996

 

1995

 

1994

 

1996

 

1995

 

1994

 
Yamaha SJ700 Super Jet

-L U/K
2
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha SJ700 Super Jet



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

2 Per Vehicle

1992

 

1991

 

1990

 

1992

 

1991

 

1990

 
Yamaha WR650 WaveRunner LX

-L U/K
2
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha WR650 WaveRunner LX



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

2 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1995

 

1994

 

1993

 

1992

 

1991

 
Yamaha WRB650 WaveRunner VXR

-L U/K
2
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha WRB650 WaveRunner VXR



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

2 Per Vehicle

1987

 

1987

 
Yamaha YSR50

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha YSR50



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle

1975

 

1975

 
Yamaha YZ80

-L U/K
1
 
U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design
 

Yamaha YZ80



-L U/K U-Groove Conventional
Gap 0.027
Standard Plug with Patented U-Groove Design

1 Per Vehicle