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  2. Auto Parts
  3. Ignition
  4. Secondary Ignition
  5. Spark Plug
  6. Denso 5021

Denso 5021 Spark Plug

Denso 5021 Spark Plug
Denso 5021 Spark Plug Image 1
Denso 5021 Spark Plug

Denso
Brand:Denso
Part Number: 5021
UPC: 042511050211
Weight: 0.09 lbs
Condition:New



On Sale:

$3.22

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

Product Information

Description:

Get the Denso 5021 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:
1.5 mm
Ground Configuration:
Standard
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
U-Groove
Hex Size:
16.0 mm
Manufacturer Heat Range:
14
Reach:
11.60 mm
Resistance:
5000 ohms
Seat Type:
Tapered
Thread Diameter:
14.00 mm
DENSO Auto Parts #:
T14PR-U15
Country of Origin:
JP

Select a vehicle to narrow Denso 5021 Spark Plug fitment info!

Last Updated: 11/08/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

1978

 

1978

 
Buick Century

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Buick Century



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Buick LeSabre

4.9L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Buick LeSabre



4.9L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1978

 

1978

 
Buick LeSabre

3.8L V6 Gas OHV Turbo
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Buick LeSabre



3.8L V6 Gas OHV Turbo U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Buick LeSabre

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Buick LeSabre



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1978

 

1978

 
Buick Regal

3.2L V6 Gas OHV,
3.8L V6 Gas OHV Turbo
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Buick Regal



3.2L V6 Gas OHV,
3.8L V6 Gas OHV Turbo U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Buick Regal

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Buick Regal



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Buick Skyhawk

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Buick Skyhawk



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Buick Skylark

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Buick Skylark



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1977

 

1977

 
Buick Skylark

4.9L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Buick Skylark



4.9L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1975

 

1975

 
Oldsmobile Custom Cruiser

6.6L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
8th VIN Digit: R
 

Oldsmobile Custom Cruiser



6.6L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
8th VIN Digit: R

8 Per Vehicle

1977

 

1977

 
Oldsmobile Cutlass

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Oldsmobile Cutlass



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1977

 

1977

 
Oldsmobile Cutlass Supreme

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Oldsmobile Cutlass Supreme



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1979

 

1979

 
Oldsmobile Delta 88

4.9L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Oldsmobile Delta 88



4.9L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1977

 

1977

 
Oldsmobile Delta 88

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Oldsmobile Delta 88



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1975

 

1975

 
Oldsmobile Delta 88

6.6L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
8th VIN Digit: R
 

Oldsmobile Delta 88



6.6L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
8th VIN Digit: R

8 Per Vehicle

1977

 

1977

 
Oldsmobile Omega

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Oldsmobile Omega



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1977

 

1977

 
Oldsmobile Starfire

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Oldsmobile Starfire



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1977

 

1977

 
Pontiac Bonneville

4.9L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Bonneville



4.9L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Pontiac Bonneville

7.5L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Bonneville



7.5L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Pontiac Catalina

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Catalina



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1977

 

1977

 
Pontiac Catalina

4.9L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Catalina



4.9L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1976

 

1976

 
Pontiac Catalina

5.7L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Catalina



5.7L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Pontiac Catalina

7.5L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Catalina



7.5L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Pontiac Firebird

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Firebird



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1977

 

1977

 
Pontiac Firebird

4.9L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Firebird



4.9L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Pontiac Firebird

7.5L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Firebird



7.5L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1975

 

1975

 
Pontiac Grand Am

7.5L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Grand Am



7.5L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Pontiac Grand LeMans

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Grand LeMans



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1977

 

1977

 
Pontiac Grand LeMans

4.9L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Grand LeMans



4.9L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Pontiac Grand LeMans

7.5L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Grand LeMans



7.5L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1978

 

1978

 
Pontiac Grand Prix

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Grand Prix



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1977

 

1977

 
Pontiac Grand Prix

4.9L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Grand Prix



4.9L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Pontiac Grand Prix

7.5L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Grand Prix



7.5L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1977

 

1977

 
Pontiac Grand Safari

4.9L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Grand Safari



4.9L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1976

 

1976

 
Pontiac Grand Safari

7.5L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Grand Safari



7.5L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1975

 

1975

 
Pontiac Grand Safari

7.5L V8 Gas
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Grand Safari



7.5L V8 Gas U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1975

 

1975

 
Pontiac Grandville

7.5L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Grandville



7.5L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Pontiac LeMans

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac LeMans



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1977

 

1977

 
Pontiac LeMans

4.9L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac LeMans



4.9L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1976

 

1976

 
Pontiac LeMans

7.5L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac LeMans



7.5L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Pontiac Phoenix

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Phoenix



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1978

 

1977

 

1976

 

1978

 

1977

 

1976

 
Pontiac Sunbird

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Sunbird



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1977

 

1977

 
Pontiac Ventura

3.8L V6 Gas OHV
6
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Ventura



3.8L V6 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle

1977

 

1977

 
Pontiac Ventura

4.9L V8 Gas OHV
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 

Pontiac Ventura



4.9L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle