Part #: 7240

NGK 7240 Spark Plug

V-Power Spark Plug
⚙️ 134 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦V-Power Spark Plug
🚗Fitment: Chevrolet, GMC, Buick, Oldsmobile, and Pontiac, C10, C10 Suburban, C20, C20 Suburban, C30, El Camino, G10, G20, G30, K10, K10 Suburban, K20, K20 Suburban, K30, K5 Blazer, P20, P30, C15, C15 Suburban, C25, C25 Suburban, C35, Caballero, G15, G25, G35, Jimmy, K15, K25, K25 Suburban, K35, P25, P35, P10, K15 Suburban, Sprint, Apollo, Bel Air, Camaro, Caprice, Corvette, Impala, Laguna, Malibu, Monte Carlo, Monza, Nova, P15, Cutlass, Cutlass Supreme, Omega, Firebird, Grand LeMans, LeMans, Ventura, G10 Van, G20 Van, G30 Van, G15/G1500 Van, G25/G2500 Van, and G35/G3500 Van
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Reliable Ignition Performance for Chevrolet and GMC Vehicles

The NGK V-Power Spark Plug 7240 is engineered to deliver consistent ignition performance for a range of Chevrolet, GMC, Oldsmobile, and Pontiac models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

  • Resistance: 5000 ohms for optimal electrical noise suppression
  • Ground Electrode Tip and Configuration: Standard design with a single nickel ground electrode
  • Center Electrode: Copper core with nickel tip for effective heat transfer and durability
  • Pre-Gap Size: .060 inches for precise spark gap
  • Thread Diameter: 14.00 mm with a 5/8 inch hex size for easy installation
  • Seat Type: Tapered for secure fitment
  • Insulator Height: 55.00 mm ensuring proper insulation and heat dissipation
  • Manufacturer Heat Range: 5, suitable for moderate operating temperatures
  • Electrical Terminal Type: Non-removable nut for stable electrical connection

About the NGK V-Power Spark Plug Line

The V-Power Spark Plug line by NGK is designed to meet the ignition needs of a wide range of vehicles, focusing on reliable performance and durability. This line incorporates quality materials such as copper and nickel to maintain consistent spark delivery and resist electrode wear. The 7240 part number within this line is tailored for secondary ignition systems in classic and modern vehicles from Chevrolet, GMC, Oldsmobile, and Pontiac.

Technical Details and Compatibility

The NGK V-Power Spark Plug 7240 features a copper core center electrode with a nickel tip, providing efficient heat conduction and resistance to electrode erosion. The single ground electrode made of nickel ensures a stable spark path. With a pre-gap size of .060 inches and a tapered seat type, this spark plug fits securely and maintains optimal spark gap for combustion efficiency. Its 14 mm thread diameter and 5/8 inch hex size make it compatible with various engine designs.

This spark plug is compatible with Chevrolet models such as Bel Air, Camaro, Caprice, Corvette, Impala, Malibu, Monte Carlo, and Nova. It also fits GMC trucks and SUVs including C10, C20, C30, Jimmy, K5 Blazer, K10, K20, and K30, as well as Oldsmobile Cutlass and Pontiac Firebird, Grand LeMans, and LeMans models.

Common Applications and Problem Solving

  • Restores consistent ignition in Chevrolet C10 and GMC K20 trucks
  • Improves engine start-up reliability in Pontiac Firebird and Camaro
  • Reduces misfires and rough idling in Oldsmobile Cutlass and Caprice
  • Maintains proper combustion efficiency in Chevrolet Impala and Malibu
  • Supports stable engine performance in GMC Suburban and Jimmy models

Installation Notes and Tips

  • Ensure the spark plug gap is set to .060 inches before installation
  • Use a 5/8 inch socket wrench for proper torque application
  • Apply anti-seize compound on threads if recommended by the vehicle manufacturer
  • Verify tapered seat compatibility with the engine cylinder head
  • Replace spark plugs in sets to maintain balanced engine performance

Quality Assurance and Warranty

NGK V-Power Spark Plugs are manufactured to meet strict quality standards, ensuring reliable ignition and durability. The 7240 spark plug undergoes rigorous testing for resistance, heat range, and electrode integrity. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support long-term vehicle performance.

BrandNGK
Part Number7240
PositionV-Power Spark Plug
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Electrical Terminal TypeNon-Removable Nut
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignStandard
Hex Size5/8
Insulator Height55.00
Manufacturer Heat Range5
Part NumberYR55
Pre-Gap Size.060
Reach.46
Resistance5000
Seat TypeTapered
Stock Number7240
Thread Diameter14.00

This part fits 134 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1978ChevroletC105.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletC10 Suburban5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletC205.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletC20 Suburban5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletC305.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletEl Camino5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletG105.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletG205.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletG305.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletK105.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletK10 Suburban5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletK205.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletK20 Suburban5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletK305.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletK5 Blazer5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978ChevroletP205.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1978ChevroletP305.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1978GMCG155.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978GMCG255.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978GMCG355.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1978GMCJimmy5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletC105.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletC10 Suburban5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletC205.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletC20 Suburban6.6LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletC20 Suburban5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletC305.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletG105.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletG206.6LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletG205.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletG306.6LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletG305.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletK106.6LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletK105.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletK10 Suburban6.6LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletK10 Suburban5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletK206.6LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletK205.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletK20 Suburban6.6LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletK20 Suburban5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletK306.6LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletK305.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletK5 Blazer5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletP105.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977ChevroletP205.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1977ChevroletP305.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1977GMCG155.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977GMCG256.6LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977GMCG255.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977GMCG356.6LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977GMCG355.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1977GMCJimmy6.6LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1977GMCJimmy5.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1976ChevroletG105.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1976ChevroletG205.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1976ChevroletG305.7LV8N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1976ChevroletMonte Carlo6.6LV8N/AOE Equivalent Design; V-Power Spark Plug
1975ChevroletBel Air7.4LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletBel Air6.6LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletBel Air5.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletC107.4LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC104.8LL6N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC104.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletC10 Suburban7.4LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC10 Suburban5.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC10 Suburban4.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletC207.4LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC205.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC204.8LL6N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC204.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletC20 Suburban7.4LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC20 Suburban5.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC20 Suburban4.8LL6N/ALight Duty & HEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC307.4LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletC305.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC304.8LL6N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletC304.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletCamaro5.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletCaprice7.4LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletCaprice6.6LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletCaprice5.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletCorvette5.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletEl Camino6.6LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletEl Camino5.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletEl Camino4.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletG104.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletG204.8LL6N/ALight Duty; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletG204.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletG307.4LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletG304.8LL6N/ALight Duty; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletImpala7.4LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletImpala6.6LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletImpala5.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletK105.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletK104.8LL6N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletK104.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletK10 Suburban4.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletK205.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletK204.8LL6N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletK204.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletK20 Suburban5.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletK20 Suburban4.8LL6N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletK5 Blazer5.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletK5 Blazer4.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletMalibu7.4LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletMalibu6.6LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletMalibu5.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletMonte Carlo7.4LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletMonte Carlo6.6LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletMonte Carlo5.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletMonza4.3LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletNova5.7LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletNova4.3LV8N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975ChevroletP105.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletP104.8LL6N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1975ChevroletP205.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletP204.8LL6N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1975ChevroletP305.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975ChevroletP304.8LL6N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1975GMCG154.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975GMCG257.4LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975GMCG254.8LL6N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1975GMCG354.8LL6N/AFor California emissions, designed equivalent to OE with a 0.060 inch gap size.; V-Power Spark Plug
1975GMCJimmy5.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1975GMCJimmy4.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975OldsmobileCutlass4.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975OldsmobileCutlass Supreme4.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975OldsmobileOmega4.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975PontiacFirebird4.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975PontiacGrand LeMans4.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1975PontiacLeMans4.1LL6N/AOE Equivalent Design, 0.060" Gap; V-Power Spark Plug
1974GMCG15/G1500 Van5.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1974GMCG25/G2500 Van5.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug
1974GMCG35/G3500 Van5.7LV8N/AHEI; Gap 0.060"; OE Equivalent Design; V-Power Spark Plug

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1081835738T353623362536276836846856877240757375847973ARF2-6ARF3-6ARF4-6ARF41C15ARF41CU15ARF8-6HR10ACYHR10AYHR8ACYHR8AYHR9ACYHR9AYR42TXR43T6R43TXR44TXR45TXR46TXRV12C6RV8C6

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.