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Shop By Product Matching "Autolite"

Choose your Engine for your 1973 Chevrolet Chevelle

6 Cyl 4.1L 8 Cyl 5.0L 8 Cyl 5.7L 8 Cyl 6.6L 8 Cyl 7.4L

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1973 Chevrolet Chevelle Spark Plug 8 Cyl 7.4L Autolite

Autolite APP26 Double Platinum Spark Plug
Gap .035 (in)
Double Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.035
  - 0.89
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
- The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
- Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
- The multi-rib insulator prevents flash-over.
Autolite® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life. It provides superior performance over copper and platinum plugs primarily used in distributorless ignition system (DIS) engines.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Chevrolet Chevelle	V	-	8 Cyl 7.4L	454

6 In Stock

Limited-Time Offer

$9.65 USD

$11.58 USD


Brand	Autolite
Part #	A77APP26
Condition	New
Warehouse	B

UPC: 009100260062

1973 Chevrolet Chevelle Spark Plug 6 Cyl 4.1L Autolite

Autolite APP26 Double Platinum Spark Plug
Gap .035 (in)
Double Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.035
  - 0.89
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
- The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
- Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
- The multi-rib insulator prevents flash-over.
Autolite® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life. It provides superior performance over copper and platinum plugs primarily used in distributorless ignition system (DIS) engines.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

19158031, 41-905, 88901029, CR45TS, R45TS

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Chevrolet Chevelle	L	4097	6 Cyl 4.1L	250

6 In Stock

Limited-Time Offer

$9.65 USD

$11.58 USD


Brand	Autolite
Part #	A77APP26
Condition	New
Warehouse	B

UPC: 009100260062

1973 Chevrolet Chevelle Spark Plug 8 Cyl 5.7L Autolite

Autolite XP26 Iridium XP Spark Plug
Gap .035 (in)
Iridium XP Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Iridium
- Ground Electrode Tip Design: Taper Cut
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.035
  - 0.89
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- Engineered with an Iridium-enhanced center electrode and fine-wire design that increases ignitability and provides a more focused ignition for improved engine performance.
- Its proprietary platinum ground electrode provides increased durability* and resistance to wear, extending the life of the plug.
- The tapered ground wire improves engine ignitability.
- Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
- Includes a lifetime limited warranty that guarantees optimum performance equal to OE designed plugs.
Autolite® Iridium XP spark plugs are engineered with an iridium-enhanced fine-wire and a proprietary, platinum ground electrode, to increase durability*, while its tapered ground wire maximizes engine efficiency, delivering improved engine performance, fuel efficiency, acceleration, and ignitability.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Chevrolet Chevelle	V	-	8 Cyl 5.7L	350

50 In Stock

Limited-Time Offer

$11.42 USD

$13.70 USD


Brand	Autolite
Part #	A77XP26
Condition	New
Warehouse	B

UPC: 009100044327

1973 Chevrolet Chevelle Spark Plug 6 Cyl 4.1L Autolite

Autolite XP26 Iridium XP Spark Plug
Gap .035 (in)
Iridium XP Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Iridium
- Ground Electrode Tip Design: Taper Cut
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.035
  - 0.89
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- Engineered with an Iridium-enhanced center electrode and fine-wire design that increases ignitability and provides a more focused ignition for improved engine performance.
- Its proprietary platinum ground electrode provides increased durability* and resistance to wear, extending the life of the plug.
- The tapered ground wire improves engine ignitability.
- Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
- Includes a lifetime limited warranty that guarantees optimum performance equal to OE designed plugs.
Autolite® Iridium XP spark plugs are engineered with an iridium-enhanced fine-wire and a proprietary, platinum ground electrode, to increase durability*, while its tapered ground wire maximizes engine efficiency, delivering improved engine performance, fuel efficiency, acceleration, and ignitability.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

12582002, 2025, 5330, FGR9DPQ, ITF16

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Chevrolet Chevelle	L	4097	6 Cyl 4.1L	250

50 In Stock

Limited-Time Offer

$11.42 USD

$13.70 USD


Brand	Autolite
Part #	A77XP26
Condition	New
Warehouse	B

UPC: 009100044327

1973 Chevrolet Chevelle Spark Plug 8 Cyl 5.0L Autolite

Autolite AP26 Platinum Spark Plug
Gap .035 (in)
Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.045
  - 1.14
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- Engineered with a platinum firing tip that prevents gap erosion for longer service life.
- Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- The multi-rib insulator prevents flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Chevrolet Chevelle	V	-	8 Cyl 5.0L	307

58 In Stock

Limited-Time Offer

$10.38 USD

$12.46 USD


Brand	Autolite
Part #	A77AP26
Condition	New
Warehouse	B

UPC: 009100252456

1973 Chevrolet Chevelle Spark Plug 6 Cyl 4.1L Autolite

Autolite AP26 Platinum Spark Plug
Gap .035 (in)
Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.045
  - 1.14
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- Engineered with a platinum firing tip that prevents gap erosion for longer service life.
- Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- The multi-rib insulator prevents flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

25, 41-905, 4112, 5020, AF52, AF52C, ARF52, ARF62, ASF52, ASF52C, BPR4FS, CR45TS, PP002F, R45TS, RV19PMC, SP425

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Chevrolet Chevelle	L	4098	6 Cyl 4.1L	250

58 In Stock

Limited-Time Offer

$10.38 USD

$12.46 USD


Brand	Autolite
Part #	A77AP26
Condition	New
Warehouse	B

UPC: 009100252456

1973 Chevrolet Chevelle Spark Plug 8 Cyl 7.4L Autolite

Autolite 26 Copper Spark Plug
OE Style; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Chevrolet Chevelle	V	7439	8 Cyl 7.4L	454

63 In Stock

Limited-Time Offer

$8.64 USD

$10.37 USD


Brand	Autolite
Part #	A7726
Condition	New
Warehouse	B

UPC: 009100000262

1973 Chevrolet Chevelle Spark Plug 8 Cyl 5.7L Autolite

Autolite 26 Copper Spark Plug
Gap .035 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Chevrolet Chevelle	V	-	8 Cyl 5.7L	350

63 In Stock

Limited-Time Offer

$8.64 USD

$10.37 USD


Brand	Autolite
Part #	A7726
Condition	New
Warehouse	B

UPC: 009100000262

1973 Chevrolet Chevelle Spark Plug 6 Cyl 4.1L Autolite

Autolite 26 Copper Spark Plug
OE Style; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1973 - Chevrolet Chevelle	L	4097	6 Cyl 4.1L	250

63 In Stock

Limited-Time Offer

$8.64 USD

$10.37 USD


Brand	Autolite
Part #	A7726
Condition	New
Warehouse	B

UPC: 009100000262

1973 Chevrolet Chevelle Spark Plug 6 Cyl 4.1L Autolite

Autolite 26 Copper Spark Plug
Gap .035 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4