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Autolite 303 Spark Plug
for 1973 (please select make/model)


Brand:	Autolite
Part Number:	303
UPC:	009100003034
Weight:	0.15 lbs
Condition:	New

On Sale:

$4.02

Availability:

1 in Stock

Warehouse:

US-7

Quantity:

Product Information

Description:

Get the Autolite 303 Spark Plug for your 1973. 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:

0.504 in.

Core Nose Length:

12.8 mm

Electrical Terminal Type:

Removable Nut

Grade Type:

Regular

Ground Electrode Core Material:

Nickel

Ground Electrode Quantity:

Ground Electrode Tip Design:

Standard

Ground Electrode Tip Material:

Nickel

Hex Size:

13/16 in.

Hex Type:

Hex

Indexed:

Insulator Height:

2.327 in.

Insulator Height:

59.11 mm

Insulator Material:

Ceramic

Manufacturer Heat Range:

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:

0.673 in.

Skirt Length:

17.09 mm

Skirt:

Yes

Thread Diameter:

14 mm

Washer Included:

Yes

Washer Type:

Flat

ACDelco #:

B4031

ACDelco #:

B43

ACDelco #:

B45

ACDelco #:

C43

ACDelco #:

C44

ACDelco #:

C45

ACDelco #:

CR43

ACDelco #:

CR43K

ACDelco #:

M44B

ACDelco #:

M44C

ACDelco #:

M45

ACDelco #:

MR44C

ACDelco #:

R43

ACDelco #:

R43C

ACDelco #:

S44

Accel #:

124

Bosch #:

W8EC

Caterpillar #:

9B-0444

Champion Spark Plug #:

102

Champion Spark Plug #:

823

Champion Spark Plug #:

8231

Champion Spark Plug #:

J6C

Champion Spark Plug #:

RJ6C

Chrysler #:

8129861

Chrysler #:

8129865

DENSO Auto Parts #:

3075

DENSO Auto Parts #:

W16S-U

DENSO Auto Parts #:

W20S-U

Ford #:

8U2J12405AYA

General Motors #:

5569992

General Motors #:

5612002

General Motors #:

5612567

General Motors #:

5612569

General Motors #:

5613865

Harley Davidson #:

HD5

Motorcraft #:

A3X

Motorcraft #:

A5X

Motorcraft #:

AR31

Motorcraft #:

AR41

Motorcraft #:

AR51

Motorcraft #:

AS4C

Motorcraft #:

AT3

Motorcraft #:

AT4

Motorcraft #:

AZ3

Motorcraft #:

SP476

NGK #:

742

NGK #:

B6S

NGK #:

B6Y

NGK #:

B7C

NGK #:

B7S

NGK #:

BR6S

Sears #:

STD361303

Splitfire #:

SF30C

Splitfire #:

SM30C

Stitt #:

407L

Country of Origin:

Manufacturer Warranty:

2 Years

Select a vehicle to narrow Autolite 303 Spark Plug fitment info!

Last Updated: 10/05/2024

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

Autolite 303 Spark Plugfor 1973 (please select make/model)

$4.02

Product Information

Description:

Features and Benefits:

Specifications:

Manufacturer Warranty:

Select a vehicle to narrow Autolite 303 Spark Plug fitment info!

1973

1973

International 1010 5.7L V8 Gas

8

Copper ResistorOE Style Gap .030 (in)

International 1010

5.7L V8 Gas Copper ResistorOE Style Gap .030 (in) 8 Per Vehicle

1973

1973

International 1010 5.0L V8 Gas,5.0L V8 Gas OHV,5.6L V8 Gas OHV,6.4L V8 Gas,6.4L V8 Gas OHV

8

Copper ResistorOE Style Gap .030 (in)

International 1010

5.0L V8 Gas,5.0L V8 Gas OHV,5.6L V8 Gas OHV,6.4L V8 Gas,6.4L V8 Gas OHV Copper ResistorOE Style Gap .030 (in) 8 Per Vehicle

1973

1973

International 1010 5.0L V8 LPG OHV,5.6L V8 LPG OHV

8

Copper ResistorOE Style Gap .020 (in)

International 1010

5.0L V8 LPG OHV,5.6L V8 LPG OHV Copper ResistorOE Style Gap .020 (in) 8 Per Vehicle

1973

1973

International 1110 5.0L V8 Gas,5.7L V8 Gas,6.4L V8 Gas

8

Copper ResistorOE Style Gap .030 (in)

International 1110

5.0L V8 Gas,5.7L V8 Gas,6.4L V8 Gas Copper ResistorOE Style Gap .030 (in) 8 Per Vehicle

1973

1973

International 1110 5.0L V8 Gas OHV,5.6L V8 Gas OHV,6.4L V8 Gas OHV

8

Copper ResistorOE Style Gap .030 (in)

International 1110

5.0L V8 Gas OHV,5.6L V8 Gas OHV,6.4L V8 Gas OHV Copper ResistorOE Style Gap .030 (in) 8 Per Vehicle

1973

1973

International 1110 5.0L V8 LPG OHV,5.6L V8 LPG OHV

8

Copper ResistorOE Style Gap .020 (in)

International 1110

5.0L V8 LPG OHV,5.6L V8 LPG OHV Copper ResistorOE Style Gap .020 (in) 8 Per Vehicle

1973

1973

International 1210 5.0L V8 Gas,5.7L V8 Gas,6.4L V8 Gas

8

Copper ResistorOE Style Gap .030 (in)

International 1210

5.0L V8 Gas,5.7L V8 Gas,6.4L V8 Gas Copper ResistorOE Style Gap .030 (in) 8 Per Vehicle

1973

1973

International 1210 5.0L V8 Gas OHV,5.6L V8 Gas OHV,6.4L V8 Gas OHV

8

Copper ResistorOE Style Gap .030 (in)

International 1210

5.0L V8 Gas OHV,5.6L V8 Gas OHV,6.4L V8 Gas OHV Copper ResistorOE Style Gap .030 (in) 8 Per Vehicle

1973

1973

International 1210 5.0L V8 LPG OHV,5.6L V8 LPG OHV

8

Copper ResistorOE Style Gap .020 (in)

International 1210

5.0L V8 LPG OHV,5.6L V8 LPG OHV Copper ResistorOE Style Gap .020 (in) 8 Per Vehicle

1973

1973

International 1310 5.0L V8 Gas OHV,5.6L V8 Gas OHV,6.4L V8 Gas OHV

8

Copper ResistorOE Style Gap .030 (in)

International 1310

5.0L V8 Gas OHV,5.6L V8 Gas OHV,6.4L V8 Gas OHV Copper ResistorOE Style Gap .030 (in) 8 Per Vehicle

1973

1973

Autolite 303 Spark Plug
for 1973 (please select make/model)

International 1010

5.7L V8 Gas

Copper Resistor
OE Style
Gap .030 (in)

5.7L V8 Gas Copper Resistor
OE Style
Gap .030 (in)

8 Per Vehicle

International 1010

5.0L V8 Gas,
5.0L V8 Gas OHV,
5.6L V8 Gas OHV,
6.4L V8 Gas,
6.4L V8 Gas OHV

Copper Resistor
OE Style
Gap .030 (in)

5.0L V8 Gas,
5.0L V8 Gas OHV,
5.6L V8 Gas OHV,
6.4L V8 Gas,
6.4L V8 Gas OHV Copper Resistor
OE Style
Gap .030 (in)

8 Per Vehicle

International 1010

5.0L V8 LPG OHV,
5.6L V8 LPG OHV

Copper Resistor
OE Style
Gap .020 (in)

5.0L V8 LPG OHV,
5.6L V8 LPG OHV Copper Resistor
OE Style
Gap .020 (in)

8 Per Vehicle

International 1110

5.0L V8 Gas,
5.7L V8 Gas,
6.4L V8 Gas

Copper Resistor
OE Style
Gap .030 (in)

5.0L V8 Gas,
5.7L V8 Gas,
6.4L V8 Gas Copper Resistor
OE Style
Gap .030 (in)

8 Per Vehicle

International 1110

5.0L V8 Gas OHV,
5.6L V8 Gas OHV,
6.4L V8 Gas OHV

Copper Resistor
OE Style
Gap .030 (in)

5.0L V8 Gas OHV,
5.6L V8 Gas OHV,
6.4L V8 Gas OHV Copper Resistor
OE Style
Gap .030 (in)

8 Per Vehicle

International 1110

5.0L V8 LPG OHV,
5.6L V8 LPG OHV

Copper Resistor
OE Style
Gap .020 (in)

5.0L V8 LPG OHV,
5.6L V8 LPG OHV Copper Resistor
OE Style
Gap .020 (in)

8 Per Vehicle

International 1210

5.0L V8 Gas,
5.7L V8 Gas,
6.4L V8 Gas

Copper Resistor
OE Style
Gap .030 (in)

5.0L V8 Gas,
5.7L V8 Gas,
6.4L V8 Gas Copper Resistor
OE Style
Gap .030 (in)

8 Per Vehicle

International 1210

5.0L V8 Gas OHV,
5.6L V8 Gas OHV,
6.4L V8 Gas OHV

Copper Resistor
OE Style
Gap .030 (in)

5.0L V8 Gas OHV,
5.6L V8 Gas OHV,
6.4L V8 Gas OHV Copper Resistor
OE Style
Gap .030 (in)

8 Per Vehicle

International 1210

5.0L V8 LPG OHV,
5.6L V8 LPG OHV

Copper Resistor
OE Style
Gap .020 (in)

5.0L V8 LPG OHV,
5.6L V8 LPG OHV Copper Resistor
OE Style
Gap .020 (in)

8 Per Vehicle

International 1310

5.0L V8 Gas OHV,
5.6L V8 Gas OHV,
6.4L V8 Gas OHV

Copper Resistor
OE Style
Gap .030 (in)

5.0L V8 Gas OHV,
5.6L V8 Gas OHV,
6.4L V8 Gas OHV Copper Resistor
OE Style
Gap .030 (in)

8 Per Vehicle

International 1310

5.0L V8 LPG OHV,
5.6L V8 LPG OHV

Copper Resistor
OE Style
Gap .020 (in)

5.0L V8 LPG OHV,
5.6L V8 LPG OHV Copper Resistor
OE Style
Gap .020 (in)

8 Per Vehicle

International MS1210

5.0L V8 Gas OHV,
5.6L V8 Gas OHV,
6.4L V8 Gas OHV

Copper Resistor
OE Style
Gap .030 (in)

5.0L V8 Gas OHV,
5.6L V8 Gas OHV,
6.4L V8 Gas OHV Copper Resistor
OE Style
Gap .030 (in)

8 Per Vehicle

International MS1210

5.0L V8 LPG OHV,
5.6L V8 LPG OHV

Copper Resistor
OE Style
Gap .020 (in)

5.0L V8 LPG OHV,
5.6L V8 LPG OHV Copper Resistor
OE Style
Gap .020 (in)

8 Per Vehicle

International Scout II

5.0L V8 Gas OHV

Copper Resistor
OE Style
Gap .030 (in)

5.0L V8 Gas OHV Copper Resistor
OE Style
Gap .030 (in)

8 Per Vehicle

International Scout II

5.0L V8 LPG OHV,
5.6L V8 LPG OHV

Copper Resistor
OE Style
Gap .020 (in)

5.0L V8 LPG OHV,
5.6L V8 LPG OHV Copper Resistor
OE Style
Gap .020 (in)

8 Per Vehicle