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1978 GMC Autolite Parts

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C15 C15 Suburban C25 C25 Suburban C35 Caballero G15 G25 G35 Jimmy K15 K15 Suburban K25 K25 Suburban K35 P15 P25 P35

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1978 GMC K25 Suburban Spark Plug 8 Cyl 5.0L Autolite

Autolite 145 Copper Spark Plug
Heavy Duty; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.044
  - 1.12
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.557
  - 14.15
- 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: 8
- Pre-Gap Size:
  - 0.04
  - 1.02
- Resistance: 4000
- Insulator Height:
  - 2.274
  - 57.76
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
1978 - GMC K25 Suburban	V	-	8 Cyl 5.0L	305

40 In Stock

Holiday Special

$8.31 USD

$9.97 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 GMC Jimmy Spark Plug 8 Cyl 6.6L Autolite

Autolite 145 Copper Spark Plug
OE Style; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.044
  - 1.12
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.557
  - 14.15
- 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: 8
- Pre-Gap Size:
  - 0.04
  - 1.02
- Resistance: 4000
- Insulator Height:
  - 2.274
  - 57.76
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

This Part Fits the Following OEM/Substitute Numbers:

121, 19157985, 19157988, 22131, 2U2J12405YA, 44T, 5029, 5613842, 5613855, 5613867, 5613875, 566, 711, 7972, 8129827, ARF4, ARF6, ASF4C...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - GMC Jimmy	V	-	8 Cyl 6.6L	400

40 In Stock

Holiday Special

$8.31 USD

$9.97 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 GMC C15 Suburban Spark Plug 8 Cyl 5.7L Autolite

Autolite 145 Copper Spark Plug
without California Emissions System; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.044
  - 1.12
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.557
  - 14.15
- 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: 8
- Pre-Gap Size:
  - 0.04
  - 1.02
- Resistance: 4000
- Insulator Height:
  - 2.274
  - 57.76
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	Fuel Type	Engine	CID
1978 - GMC C15 Suburban	V	-	GAS	8 Cyl 5.7L	350

40 In Stock

Holiday Special

$8.31 USD

$9.97 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 GMC C25 Suburban Spark Plug 8 Cyl 6.6L Autolite

Autolite 145 Copper Spark Plug
Gap .045 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.044
  - 1.12
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.557
  - 14.15
- 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: 8
- Pre-Gap Size:
  - 0.04
  - 1.02
- Resistance: 4000
- Insulator Height:
  - 2.274
  - 57.76
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
1978 - GMC C25 Suburban	V	-	8 Cyl 6.6L	400

40 In Stock

Holiday Special

$8.31 USD

$9.97 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 GMC K25 Spark Plug 8 Cyl 5.7L Autolite

Autolite 145 Copper Spark Plug
Gap .035 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.044
  - 1.12
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.557
  - 14.15
- 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: 8
- Pre-Gap Size:
  - 0.04
  - 1.02
- Resistance: 4000
- Insulator Height:
  - 2.274
  - 57.76
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
1978 - GMC K25	V	-	8 Cyl 5.7L	350

40 In Stock

Holiday Special

$8.31 USD

$9.97 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 GMC P15 Spark Plug 6 Cyl 4.8L Autolite

Autolite 145 Copper Spark Plug
Gap .035 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.044
  - 1.12
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.557
  - 14.15
- 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: 8
- Pre-Gap Size:
  - 0.04
  - 1.02
- Resistance: 4000
- Insulator Height:
  - 2.274
  - 57.76
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
1978 - GMC P15	L	-	6 Cyl 4.8L	292

40 In Stock

Holiday Special

$8.31 USD

$9.97 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 GMC Caballero Spark Plug 6 Cyl 3.8L Autolite

Autolite 666 Copper Spark Plug
Gap .060 (in); Auto
Copper 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: 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:
  - 0.06
  - 1.52
- 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: 6
- Most jobs typically require 6 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

17, 19157991, 19157993, 19157997, 2096, 222316, 222516, 32221, 5021, 5613794, 5613833, 5613841, 5613844, 5613848, 5613851, 5613858, 5613877, 5613883...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - GMC Caballero	V	3800	6 Cyl 3.8L	231

29 In Stock

Holiday Special

$5.88 USD

$7.06 USD


Brand	Autolite
Part #	A77666
Condition	New
Warehouse	B

UPC: 009100006660

1978 GMC Jimmy Spark Plug 8 Cyl 5.7L Autolite

Autolite 685 Copper Spark Plug
OE Style; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.041
  - 1.04
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- 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: 8
- Pre-Gap Size:
  - 0.06
  - 1.52
- Resistance: 5000
- Insulator Height:
  - 2.274
  - 57.76
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

This Part Fits the Following OEM/Substitute Numbers:

108, 19157989, 41-830, 5030, 5613846, 5613857, 5613869, 5614252, 7240, 8129844, ARF2-6, ARF3-6, ARF4-6, ASF3C-6, ASF4C-6, BR6FS-15, HR9ACY+, R45TX...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - GMC Jimmy	V	-	8 Cyl 5.7L	350

1 In Stock

Holiday Special

$8.31 USD

$9.97 USD


Brand	Autolite
Part #	A77685
Condition	New
Warehouse	B

UPC: 009100006851

1978 GMC K15 Suburban Spark Plug 8 Cyl 5.7L Autolite

Autolite 685 Copper Spark Plug
Gap .060 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.041
  - 1.04
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- 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: 8
- Pre-Gap Size:
  - 0.06
  - 1.52
- Resistance: 5000
- Insulator Height:
  - 2.274
  - 57.76
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
1978 - GMC K15 Suburban	V	-	8 Cyl 5.7L	350

1 In Stock

Holiday Special

$8.31 USD

$9.97 USD


Brand	Autolite
Part #	A77685
Condition	New
Warehouse	B

UPC: 009100006851

1978 GMC C15 Suburban Spark Plug 8 Cyl 5.7L Autolite

Autolite 685 Copper Spark Plug
with California Emissions System; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.041
  - 1.04
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- 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: 8
- Pre-Gap Size:
  - 0.06
  - 1.52
- Resistance: 5000
- Insulator Height:
  - 2.274
  - 57.76
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