GMC V3500 Spark Plug

Fits the following 1987-1991 GMC V3500 submodels:

• 1990-1991: Base; 8 Cyl 7.4L;
• 1990-1991: SLE; 8 Cyl 5.7L;

• 1990-1991: SLE; 8 Cyl 7.4L;

• 1989-1991: Base; 8 Cyl 5.7L;

• 1989-1989: High Sierra; 8 Cyl 5.7L;

• 1989-1989: Sierra Classic; 8 Cyl 5.7L;

• 1987-1989: Base; 8 Cyl 7.4L; "VIN N"

• 1987-1989: High Sierra; 8 Cyl 7.4L; "VIN N"

• 1987-1989: Sierra Classic; 8 Cyl 7.4L; "VIN N"

• 1988-1988: Base; 8 Cyl 5.7L; "VIN K"

• 1988-1988: High Sierra; 8 Cyl 5.7L; "VIN K"

• 1988-1988: Sierra Classic; 8 Cyl 5.7L; "VIN K"

Fits 10 more submodels. (Show all) Show less info

DENSO PREMIUM CLASS IRIDIUM SPARK PLUG

Denso's Premium Class Iridium Spark Plugs is fast becoming the standard for today's high-tech engines. Employing a revolutionary 360 degrees laser welding process, Denso has created a spark plug unlike anything on the market today. Designed for durability under the most extreme conditions. Denso's patented Iridium alloy is 6 times harder and 8 times stronger than conventional platinum and can handle temperatures in excess of 4,000 degrees Fahrenheit.

Specification:

• 14 mm thread size
• 11.6 mm reach
• 0.63 in. hex size
• 0.04 in. gap size
• Tapered seat style
• Resistor plug type
• Tapered cut U-groove ground electrode
• Removable terminal
• Heat range 16

Features:

• Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
• Five-rib design prevents flashover while decreasing voltage loss
• Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
• Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
• Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles

Fits the following 1987-1989 GMC V3500 submodels:

• 1987-1989: Base; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"
• 1987-1989: High Sierra; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"

• 1987-1989: Sierra Classic; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"

• 1987-1988: Base; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN M"

• 1987-1988: High Sierra; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN M"

• 1987-1988: Sierra Classic; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN M"

Fits 7 more submodels. (Show all) Show less info

NGK
NGK manufactures and supplies automotive manufacturers with OE and high performance spark plugs and ignition control products.

UR5 NGK

Fits the following 1987-1991 GMC V3500 submodels:

• 1990-1991: SLE; 8 Cyl 5.7L;
• 1990-1991: SLE; 8 Cyl 7.4L;

• 1988-1991: Base; 8 Cyl 5.7L;

• 1987-1991: Base; 8 Cyl 7.4L;

• 1988-1989: High Sierra; 8 Cyl 5.7L;

• 1988-1989: Sierra Classic; 8 Cyl 5.7L;

• 1987-1989: High Sierra; 8 Cyl 7.4L;

• 1987-1989: Sierra Classic; 8 Cyl 7.4L;

Fits 6 more submodels. (Show all) Show less info

AC DELCO SPARK PLUG ASSEMBLY, SOLD INDIVIDUALLY -- Constructed from top quality materials to help the engine run clean and longer; Features a copper-core center electrode for improved heat transfer to the tip; Hot-tip insulators heats fast and fires hot to promote longer electrode life for miles of dependable performance; Nickel-chrome alloy sheathing on the ground and center electrodes offers maximum resistance against wear from spark erosion and the corrosive environment of the combustion chamber; Engineered to high standards and tested under extreme conditions to exceed OE specifications; Replaces OE number 5613867.

Fits the following 1987-1989 GMC V3500 submodels:

• 1987-1989: Base; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"
• 1987-1989: High Sierra; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"

• 1987-1989: Sierra Classic; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"

• 1987-1988: Base; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: Base; 8 Cyl 5.7L; "GAS, FI, Naturally Aspirated, VIN K"

• 1987-1988: High Sierra; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: High Sierra; 8 Cyl 5.7L; "GAS, FI, Naturally Aspirated, VIN K"

• 1987-1988: Sierra Classic; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: Sierra Classic; 8 Cyl 5.7L; "GAS, FI, Naturally Aspirated, VIN K"

Fits 7 more submodels. (Show all) Show less info

MOTORCRAFT SUPPRESSOR SPARK PLUG, FINEWIRE PLATINUM, SOLD INDIVIDUALLY

0.05 in. gap size, standard service plug; Delivers maximum voltage to the spark plug while maximizing performance and increases engine life; Resists corrosion and abrasion; Reduces the chance of misfire.

Fits the following 1987-1991 GMC V3500 submodels:

• 1990-1991: Base; 8 Cyl 5.7L; "VIN K"
• 1990-1991: SLE; 8 Cyl 5.7L; "VIN K"

• 1990-1991: SLE; 8 Cyl 7.4L; "FI, VIN N"

• 1987-1991: Base; 8 Cyl 7.4L; "FI, VIN N"

• 1987-1989: Base; 8 Cyl 5.7L; "FI, VIN K"

• 1987-1989: High Sierra; 8 Cyl 5.7L; "FI, VIN K"

• 1987-1989: High Sierra; 8 Cyl 7.4L; "FI, VIN N"

• 1987-1989: Sierra Classic; 8 Cyl 5.7L; "FI, VIN K"

• 1987-1989: Sierra Classic; 8 Cyl 7.4L; "FI, VIN N"

Fits 7 more submodels. (Show all) Show less info

PULSTAR PLATINUM PULSE SPARK PLUG, SOLD INDIVIDUALLY

Pulstar Pulse Spark Plug contains integrated electrical capacitor that focuses on the energy of the plug. Its electrical energy delivers the fuel mixture far beyond the typical conventional spark plugs and produces not only better fuel efficiency, but also increased torque and horsepower.

Specifications:

• 14 mm thread size
• 11.6 mm reach
• 16 mm hex size
• 1.14 mm gap
• 0.9 mm platinum tipped center electrode with copper core
• Tapered seat
• Resistor
• Nickel alloy ground electrode

Features:

• Latest Eco-Friendly ignition technology
• Provides more horsepower, livelier throttle response, and up to 10 percent better fuel economy than conventional spark plugs
• Allows more efficient burning of and generates a much larger spark than that of ordinary spark plugs
• Reduces carbon dioxide emissions and provides cleaner exhaust through more efficient combustion
• Uses an internal circuit that delivers up to 1,000,000 watts of peak power that increases peak spark current by up to 20,000 times that of a traditional spark plug

Fits the following 1987-1991 GMC V3500 submodels:

• 1990-1991: SLE; 8 Cyl 5.7L; "GAS, FI, Naturally Aspirated, VIN K"
• 1990-1991: SLE; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"

• 1987-1991: Base; 8 Cyl 5.7L; "GAS, FI, Naturally Aspirated, VIN K"

• 1987-1991: Base; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"

• 1987-1989: Base; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"

• 1987-1989: High Sierra; 8 Cyl 5.7L; "GAS, FI, Naturally Aspirated, VIN K"

• 1987-1989: High Sierra; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"

• 1987-1989: High Sierra; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"

• 1987-1989: Sierra Classic; 8 Cyl 5.7L; "GAS, FI, Naturally Aspirated, VIN K"

• 1987-1989: Sierra Classic; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"

• 1987-1989: Sierra Classic; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"

• 1987-1988: Base; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN M"

• 1987-1988: High Sierra; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN M"

• 1987-1988: Sierra Classic; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN M"

Fits 15 more submodels. (Show all) Show less info

ACCEL U-GROOVE PERFORMANCE SPARK PLUGS, SET OF 8

Accel U-Groove Spark Plugs are constructed with a highly purified Alumina insulator that prevents arcing at plug boot and provides superior strength and thermal conductivity. Copper-glass seal bonds insulator to electrode for a gas-tight seal, and copper-core center electrode that comes with nickel chrome sheel for superior electrical conductivity and maximum heat dissipation.

Specifications:

• Resistor plug type

Features:

• Electric heat seal ensures stable heat range for uniform performance
• Machine rolled threads guarantee trouble free installation and removal, protecting the expensive cylinder heads
• Unique U-groove ground electrode developed to meet the demand for improved ignitability and increased fuel combustion resulting in less flame dissipation
• Grooves the flame to grow and create a larger flame front for a more complete combustion even in the case of lean air-fuel mixture
• Produces greater firing energy without increasing spark plug gap and larger spark nucleus that stimulates faster combustion
• Provides an increase in performance with improved throttle response, greater fuel efficiency, and reduced emissions

Fits the following 1987-1991 GMC V3500 submodels:

• 1990-1991: Base; 8 Cyl 7.4L;
• 1990-1991: SLE; 8 Cyl 5.7L;

• 1990-1991: SLE; 8 Cyl 7.4L;

• 1989-1991: Base; 8 Cyl 5.7L;

• 1989-1989: High Sierra; 8 Cyl 5.7L;

• 1989-1989: Sierra Classic; 8 Cyl 5.7L;

• 1987-1989: Base; 8 Cyl 7.4L; "CARB, VIN W"

• 1987-1989: Base; 8 Cyl 7.4L; "FI, VIN N"

• 1987-1989: High Sierra; 8 Cyl 7.4L; "CARB, VIN W"

• 1987-1989: High Sierra; 8 Cyl 7.4L; "FI, VIN N"

• 1987-1989: Sierra Classic; 8 Cyl 7.4L; "CARB, VIN W"

• 1987-1989: Sierra Classic; 8 Cyl 7.4L; "FI, VIN N"

• 1987-1988: Base; 8 Cyl 5.7L; "FI, VIN K"

• 1987-1988: High Sierra; 8 Cyl 5.7L; "FI, VIN K"

• 1987-1988: Sierra Classic; 8 Cyl 5.7L; "FI, VIN K"

Fits 13 more submodels. (Show all) Show less info

CHAMPION SINGLE PLATINUM POWER PLUG, SOLD INDIVIDUALLY

Champion Single Platinum Power Plugs reduce and maintain gap growth and proper gap. The voltage needed to fire them remains consistent, reducing the chance of misfire.

Specifications:

• 14 mm thread diameter
• V-trimmed ground electrode
• Tapered seat
• Projected tip

Features:

• Center and side electrodes are tapered for performance while platinum tip on center electrode guarantees extended plug life

Fits the following 1987-1991 GMC V3500 submodels:

• 1990-1991: SLE; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"
• 1987-1991: Base; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"

• 1987-1989: Base; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"

• 1987-1989: High Sierra; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"

• 1987-1989: High Sierra; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"

• 1987-1989: Sierra Classic; 8 Cyl 7.4L; "GAS, CARB, Naturally Aspirated, VIN W"

• 1987-1989: Sierra Classic; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"

• 1987-1988: Base; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN M"

• 1987-1988: High Sierra; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN M"

• 1987-1988: Sierra Classic; 6 Cyl 4.8L; "GAS, CARB, Naturally Aspirated, VIN T"

• 1987-1988: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN M"

Fits 11 more submodels. (Show all) Show less info

E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 11.17 mm reach, 0.62 in. hex size, tapered seat, resistor, 1.016 mm non-adjustable gap size, copper core electrode material, nickel alloy electrode tip material, projected insulator type; Guaranteed to provide more power while using less fuel, quicker starts and less fouling than competitive standard spark plugs.

Fits the following 1987-1989 GMC V3500 submodels:

• 1989-1989: Base; 8 Cyl 7.4L; "CARB"
• 1989-1989: High Sierra; 8 Cyl 7.4L; "CARB"

• 1989-1989: Sierra Classic; 8 Cyl 7.4L; "CARB"

• 1987-1988: Base; 6 Cyl 4.8L;

• 1987-1988: Base; 8 Cyl 5.7L;

• 1987-1988: Base; 8 Cyl 7.4L;

• 1987-1988: High Sierra; 6 Cyl 4.8L;

• 1987-1988: High Sierra; 8 Cyl 5.7L;

• 1987-1988: High Sierra; 8 Cyl 7.4L;

• 1987-1988: Sierra Classic; 6 Cyl 4.8L;

• 1987-1988: Sierra Classic; 8 Cyl 5.7L;

• 1987-1988: Sierra Classic; 8 Cyl 7.4L;

Fits 10 more submodels. (Show all) Show less info