1974 GMC K25/K2500 Suburban Spark Plug Parts

Choose your Engine for your 1974 GMC K25/K2500 Suburban


Showing 1 - 10 of 17 products
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Autolite
  • Autolite 25 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: Mid Projection
    • Pre-Gap Size:
      • 0.044
      • 1.10
    • 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:
18, 2423, 44TS, 5024, 5613673, 80034, AF42

Additional Fitment Information:
Vehicle Block CC Engine CID
1974 - GMC K25/K2500 Suburban L 4801 6 Cyl 4.8L 292

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 Fuel Type Engine CID
1974 - GMC K25/K2500 Suburban V - GAS 8 Cyl 5.7L 350

Autolite
  • Autolite 145 Copper Resistor Spark Plug
  • OE Style; .025 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 Fuel Type Engine CID
1974 - GMC K25/K2500 Suburban V - LPG 8 Cyl 5.7L 350

Autolite
  • Autolite AP25 Platinum Spark Plug
  • .035 Gap
  • Platinum 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: Platinum
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.433
      • 11.0
    • Center Electrode Tip Material: Platinum
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Mid Projection
    • Pre-Gap Size:
      • 0.044
      • 1.10
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Platinum Spark Plugs are manufactured to deliver greater durability compared to standard copper plugs. Autolite® Platinum Spark Plugs provide easier starts, quicker acceleration, and improved fuel economy. 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:
2, 2423, 406, 4AF2, 5024, 6113

Additional Fitment Information:
Vehicle Block CC Engine CID
1974 - GMC K25/K2500 Suburban L 4801 6 Cyl 4.8L 292

Denso
  • Susciter Fiche Iridium TT
  • Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
  • Susciter Fiche Iridium TT
  • Iridium TT
  • Product Attributes:
    • Hex Size: 16.0
    • Reach: 11.60
    • Center Electrode Tip Material: Iridium
    • Seat Type: Tapered
    • Ground Electrode Tip Design: Platinum Twin-tip
    • Center Electrode Core Material: Copper
    • Ground Configuration: Twin-tip
    • Pre-Gap Size: 1.0
    • Resistance: 5000
    • Ground Electrode Core Material: Nickel
  • Durability of an OE style plug combined with Power & Torque of high performance.
  • Suggested Purchase Quantity: 4
    • Most jobs typically require 4 of this item.

This Part Fits the Following OEM/Substitute Numbers:
19208523, 19300383, 19300873, 19301654, 19302742, 19310656, 4289 155, 5613302, 5613794, 5613842, 5613867, 5613877, 5613935, 5613956, 5613957, 5614229, 5614243, 88901021...VIEW MORE

Additional Fitment Information:
Vehicle
1974 - GMC K25/K2500 Suburban

Denso
  • Susciter Fiche Iridium TT
  • Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
  • Susciter Fiche Iridium TT
  • Iridium TT
  • Product Attributes:
    • Hex Size: 16.0
    • Reach: 11.60
    • Center Electrode Tip Material: Iridium
    • Seat Type: Tapered
    • Ground Electrode Tip Design: Platinum Twin-tip
    • Center Electrode Core Material: Copper
    • Ground Configuration: Twin-tip
    • Pre-Gap Size: 1.0
    • Resistance: 5000
    • Ground Electrode Core Material: Nickel
  • Durability of an OE style plug combined with Power & Torque of high performance.
  • Suggested Purchase Quantity: 4
    • Most jobs typically require 4 of this item.

Additional Fitment Information:
Vehicle
1974 - GMC K25/K2500 Suburban

Autolite
  • Autolite XP25 Iridium XP Spark Plug
  • Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .035 Gap
  • Iridium Spark Plug
  • Product Attributes:
    • Center Electrode Design: Fine Wire
    • Seat Type: Tapered
    • Electrical Terminal Type: Stud
    • Ground Electrode Tip Material: Platinum
    • Center Electrode Core Material: Platinum
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.433
      • 11.0
    • Center Electrode Tip Material: Iridium
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Mid Projection
    • Pre-Gap Size:
      • 0.044
      • 1.10
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Iridium XP Enhanced Alloy Technology™ Spark Plugs is one of the brand's most technologically advanced spark plugs ever. These spark plugs provide better durability and a more focused ignition for better overall ignitability and optimum performance. 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:
2018, 4715, 7401

Additional Fitment Information:
Vehicle Block CC Engine CID
1974 - GMC K25/K2500 Suburban L 4801 6 Cyl 4.8L 292

Autolite
  • Autolite AP145 Platinum Spark Plug
  • .025 Gap
  • Platinum 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: Platinum
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.433
      • 11.0
    • Center Electrode Tip Material: Platinum
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Short
    • Pre-Gap Size:
      • 0.040
      • 1.00
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Platinum Spark Plugs are manufactured to deliver greater durability compared to standard copper plugs. Autolite® Platinum Spark Plugs provide easier starts, quicker acceleration, and improved fuel economy. 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 Fuel Type Engine CID
1974 - GMC K25/K2500 Suburban V - LPG 8 Cyl 5.7L 350

Autolite
  • Autolite AP145 Platinum Spark Plug
  • .035 Gap
  • Platinum 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: Platinum
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.433
      • 11.0
    • Center Electrode Tip Material: Platinum
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Short
    • Pre-Gap Size:
      • 0.040
      • 1.00
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Platinum Spark Plugs are manufactured to deliver greater durability compared to standard copper plugs. Autolite® Platinum Spark Plugs provide easier starts, quicker acceleration, and improved fuel economy. 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:
10, 121, 4000, 4323, 5029, ARF4

Additional Fitment Information:
Vehicle Block CC Fuel Type Engine CID
1974 - GMC K25/K2500 Suburban V - GAS 8 Cyl 5.7L 350

Autolite
  • Autolite APP25 Double Platinum Spark Plug
  • .035 Gap
  • Double Platinum Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard / Regular
    • Seat Type: Tapered
    • Electrical Terminal Type: Stud
    • Ground Electrode Tip Material: Platinum
    • Center Electrode Core Material: Platinum
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.433
      • 11.0
    • Center Electrode Tip Material: Platinum
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Mid Projection
    • Pre-Gap Size:
      • 0.044
      • 1.10
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Double Platinum Spark Plugs are a premium plug providing superior performance and platinum-to-platinum firing for a longer lasting spark plug. Autolite® Double Platinum Spark Plugs are engineered to provide easier starts, quicker acceleration and improved fuel efficiency. 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:
41-803, 7018, AF42C

Additional Fitment Information:
Vehicle Block CC Engine CID
1974 - GMC K25/K2500 Suburban L 4801 6 Cyl 4.8L 292
Showing 1 - 10 of 17 products

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