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1978 GMC Ignition 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 Spark Plug 6 Cyl 4.1L NGK

NGK V-Power Spark Plug
Gap 0.035" OE Equivalent Design
V-Power Spark Plug
Product Attributes:
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Center Electrode Core Material: Copper
- Part Number: Ur4
- Hex Size: 5/8
- Reach: .46
- Center Electrode Tip Material: Nickel
- Stock Number: 6630
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 4
- Ground Configuration: Standard
- Pre-Gap Size: .040
- Resistance: 5000
- Insulator Height: 55.00
- Ground Electrode Core Material: Nickel
NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
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	L	-	6 Cyl 4.1L	250

52 In Stock

$7.85 USD

$9.42 USD


Brand	NGK
Part #	N126630
Condition	New
Warehouse	B

1978 GMC Caballero Spark Plug 6 Cyl 3.3L NGK

NGK V-Power Spark Plug
Gap 0.045" OE Equivalent Design
V-Power Spark Plug
Product Attributes:
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Center Electrode Core Material: Copper
- Part Number: Ur4
- Hex Size: 5/8
- Reach: .46
- Center Electrode Tip Material: Nickel
- Stock Number: 6630
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 4
- Ground Configuration: Standard
- Pre-Gap Size: .040
- Resistance: 5000
- Insulator Height: 55.00
- Ground Electrode Core Material: Nickel
NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
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:

1052895W, 15, 16, 1765179, 18, 1835800T, 1835906T, 18C2, 18S, 19, 25, 25BP, 25C2, 25DP2, 25S, 26, 2R45TS, 2R46TS...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - GMC Caballero	V	-	6 Cyl 3.3L	200

52 In Stock

$7.85 USD

$9.42 USD


Brand	NGK
Part #	N126630
Condition	New
Warehouse	B

1978 GMC C15 Suburban Spark Plug 8 Cyl 5.7L NGK

NGK V-Power Spark Plug
Light Duty Gap 0.045" OE Equivalent Design
V-Power Spark Plug
Product Attributes:
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Center Electrode Core Material: Copper
- Part Number: Ur4
- Hex Size: 5/8
- Reach: .46
- Center Electrode Tip Material: Nickel
- Stock Number: 6630
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 4
- Ground Configuration: Standard
- Pre-Gap Size: .040
- Resistance: 5000
- Insulator Height: 55.00
- Ground Electrode Core Material: Nickel
NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
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	Engine VIN	CID
1978 - GMC C15 Suburban	V	-	8 Cyl 5.7L	L	350

52 In Stock

$7.85 USD

$9.42 USD


Brand	NGK
Part #	N126630
Condition	New
Warehouse	B

1978 GMC C35 Spark Plug 6 Cyl 4.1L NGK

NGK V-Power Spark Plug
Light Duty Gap 0.035" OE Equivalent Design
V-Power Spark Plug
Product Attributes:
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Center Electrode Core Material: Copper
- Part Number: Ur4
- Hex Size: 5/8
- Reach: .46
- Center Electrode Tip Material: Nickel
- Stock Number: 6630
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 4
- Ground Configuration: Standard
- Pre-Gap Size: .040
- Resistance: 5000
- Insulator Height: 55.00
- Ground Electrode Core Material: Nickel
NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
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 C35	L	-	6 Cyl 4.1L	250

52 In Stock

$7.85 USD

$9.42 USD


Brand	NGK
Part #	N126630
Condition	New
Warehouse	B

1978 GMC C25 Spark Plug 8 Cyl 5.0L Champion

Champion Copper Plus- Boxed - RV17YC
Light Duty Gap 0.045in OE Type ; Plug Type RV17YC
Champion Copper Plus 25 Spark Plug (Carton of 4)
Copper Plus
Product Attributes:
- Seat Type: Tapered
- Electrical Terminal Type: Removable Nut
- Classification: Champion Copper Plus
- Resistor Type: Yes
- Plug Type: Rv17yc
- Hex Size:
  - 0.625
  - 15.880
- Reach: 0.441
- Center Electrode Tip Material: Nickel
- Manufacturer Heat Range: 17
- Pre-Gap Size:
  - 0.035
  - 0.90
- Ground Electrode Core Material: Nickel
- Insulator Height: 0.12
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 8

This Part Fits the Following OEM/Substitute Numbers:

14RF52, 14RF62, 4091678, 4289155, 4339415, 44TS, 45TS, 46TS, 5213202S, ARF62, CR44TS, CR45TS, R44TS, R45TS, RV17YC, TR14PRU

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - GMC C25	V	-	8 Cyl 5.0L	305

50 In Stock

$7.85 USD

$9.42 USD


Brand	Champion
Part #	C3325
Condition	New
Warehouse	B

UPC: 037551000265

1978 GMC Caballero Spark Plug 6 Cyl 3.3L Champion

Champion Copper Plus- Boxed - RV17YC
Gap 0.045in OE Type ; Plug Type RV17YC
Champion Copper Plus 25 Spark Plug (Carton of 4)
Copper Plus
Product Attributes:
- Seat Type: Tapered
- Electrical Terminal Type: Removable Nut
- Classification: Champion Copper Plus
- Resistor Type: Yes
- Plug Type: Rv17yc
- Hex Size:
  - 0.625
  - 15.880
- Reach: 0.441
- Center Electrode Tip Material: Nickel
- Manufacturer Heat Range: 17
- Pre-Gap Size:
  - 0.035
  - 0.90
- Ground Electrode Core Material: Nickel
- Insulator Height: 0.12
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 8

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - GMC Caballero	V	-	6 Cyl 3.3L	200

50 In Stock

$7.85 USD

$9.42 USD


Brand	Champion
Part #	C3325
Condition	New
Warehouse	B

UPC: 037551000265

1978 GMC C15 Spark Plug 8 Cyl 5.0L Autolite

Autolite 145 Copper Resistor Spark Plug
Heavy Duty OE Style ; .045 Gap
Copper Resistor Spark Plug
Product Attributes:
- Center Electrode Design: Standard / Regular
- Seat Type: Tapered
- Electrical Terminal Type: Stud
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Resistor Type: Yes
- Insulator Material: Ceramic
- Hex Size: 5/8"
- Reach:
  - 0.431
  - 11.0
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Tapered
- Insulator Type: Short
- Pre-Gap Size:
  - 0.040
  - 1.00
- Resistance: 4000
- Ground Electrode Core Material: Nickel
Autolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
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 C15	V	-	8 Cyl 5.0L	305

25 In Stock

$7.86 USD

$9.43 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 GMC K35 Spark Plug 6 Cyl 4.8L Autolite

Autolite 145 Copper Resistor Spark Plug
OE Style; .035 Gap
Copper Resistor Spark Plug
Product Attributes:
- Center Electrode Design: Standard / Regular
- Seat Type: Tapered
- Electrical Terminal Type: Stud
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Resistor Type: Yes
- Insulator Material: Ceramic
- Hex Size: 5/8"
- Reach:
  - 0.431
  - 11.0
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Tapered
- Insulator Type: Short
- Pre-Gap Size:
  - 0.040
  - 1.00
- Resistance: 4000
- Ground Electrode Core Material: Nickel
Autolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
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, 44T, 5029, 711, ARF4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - GMC K35	L	-	6 Cyl 4.8L	292

25 In Stock

$7.86 USD

$9.43 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 GMC P25 Spark Plug 8 Cyl 5.7L Autolite

Autolite 145 Copper Resistor Spark Plug
Heavy Duty OE Style ; Except California .045 Gap
Copper Resistor Spark Plug
Product Attributes:
- Center Electrode Design: Standard / Regular
- Seat Type: Tapered
- Electrical Terminal Type: Stud
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Resistor Type: Yes
- Insulator Material: Ceramic
- Hex Size: 5/8"
- Reach:
  - 0.431
  - 11.0
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Tapered
- Insulator Type: Short
- Pre-Gap Size:
  - 0.040
  - 1.00
- Resistance: 4000
- Ground Electrode Core Material: Nickel
Autolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
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 P25	V	-	8 Cyl 5.7L	350

25 In Stock

$7.86 USD

$9.43 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 GMC K25 Suburban Spark Plug 8 Cyl 5.7L Autolite

Autolite 145 Copper Resistor Spark Plug
Heavy Duty OE Style ; Except California .035 Gap
Copper Resistor Spark Plug
Product Attributes:
- Center Electrode Design: Standard / Regular
- Seat Type: Tapered
- Electrical Terminal Type: Stud
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Resistor Type: Yes
- Insulator Material: Ceramic
- Hex Size: 5/8"
- Reach:
  - 0.431
  - 11.0
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Tapered
- Insulator Type: Short
- Pre-Gap Size:
  - 0.040
  - 1.00
- Resistance: 4000
- Ground Electrode Core Material: Nickel
Autolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4