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1948 Oldsmobile Series 78

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Autolite 308 Spark Plug
for 1948 Oldsmobile Series 78 4.2L L8 Gas L-HEAD

Autolite 308 Spark Plug - 1948 Oldsmobile Series 78 Image 1
Autolite 308 Spark Plug - 1948 Oldsmobile Series 78 Image 2
Autolite 308 Spark Plug - 1948 Oldsmobile Series 78

Autolite
Brand:Autolite
Part Number: 308
UPC: 009100253422
Weight: 0.15 lbs
Condition:New



On Sale:

$3.33

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

Product Information

Description:

Get the Autolite 308 Spark Plug for your 1948 Oldsmobile Series 78. Buy now and secure your purchase online!

Autolite Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.

Features and Benefits:

  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.

Specifications:

Center Electrode Core Material:
Copper
Center Electrode Insulator Tip Projection:
0.039 in.
Center Electrode Insulator Tip Projection:
0.99 mm
Center Electrode Projection:
Short Projection
Center Electrode Tip Material:
Nickel
Core Nose Length:
0.759 in.
Core Nose Length:
19.28 mm
Electrical Terminal Type:
Removable Nut
Grade Type:
Regular
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Standard
Ground Electrode Tip Material:
Nickel
Hex Size:
13/16 in.
Hex Type:
Hex
Indexed:
No
Insulator Height:
2.464 in.
Insulator Height:
62.59 mm
Insulator Material:
Ceramic
Manufacturer Heat Range:
2
Pre-Gap Size:
0.034 in.
Pre-Gap Size:
0.86 mm
Reach:
0.374 in.
Reach:
9.5 mm
Resistance:
5000 Ohm
Resistor Type:
Yes
Seat Type:
Flat
Skirt Length:
0.42 in.
Skirt Length:
10.67 mm
Skirt:
Yes
Thread Diameter:
14 mm
Washer Included:
Yes
Washer Type:
Flat
Bosch #:
WR12EC
Champion Spark Plug #:
592
Champion Spark Plug #:
5921
Champion Spark Plug #:
592C
Champion Spark Plug #:
592M
Champion Spark Plug #:
871
Champion Spark Plug #:
8711
Champion Spark Plug #:
RJ12C
Motorcraft #:
AR10
Sears #:
STD360950
Torch #:
G4C
Torch #:
G4RC
Country of Origin:
CN

Manufacturer Warranty:

2 Years

Autolite 308 Spark Plug compatibility with your 1948 Oldsmobile Series 78...

Last Updated: 10/05/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

1948

 

1947

 

1946

 

1948

 

1947

 

1946

 
Oldsmobile Series 78

4.2L L8 Gas L-HEAD
8
 
Copper Resistor
OE Style
Gap .030 (in)
 

Oldsmobile Series 78



4.2L L8 Gas L-HEAD Copper Resistor
OE Style
Gap .030 (in)

8 Per Vehicle

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