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Buick Riviera Spark Plug

We have 9 Items In-stock. Select a year to continue.
$4.26 List Price $5.03 Save $0.77 Availability: In Stock
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NGK TR55GP G-POWER PLATINUM SPARK PLUG, SOLD INDIVIDUALLY

NGK G-Power Spark Plug is a world class design that gives better fuel efficiency, lower emissions, and quicker starts.

Specifications:
  • 14 mm thread size
  • 17.55 mm reach
  • 16 mm hex size
  • 0.06 in. gap size
  • Tapered seat style
  • Resistor plug type
  • Projected tip
  • Solid terminal nut
  • Platinum tipped center electrode
  • Trapezoid beveled cut ground electrode

Features:
  • Extremely durable under high heat
  • Trivalent metal plating offers superior anti-corrosion and anti-seizing properties


  • SKU#: NG3403
  • Brand: NGK
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Gap Size: 1.5 mm
(see more)
Fits the following Buick Riviera Years:
  • 1995-1999 | 6 Cyl 3.8L | Base
  • 1988-1993 | 6 Cyl 3.8L | Luxury
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Rating: (see review/s)

"Great experience, ease of ordering, shippedon time, great product and reasonablely priced." posted by: Len on December 5, 2009

"Not much to say about spark plugs except my engine (Ford OHV 3.0 Taurus) is purring away after I installed these and the Bosch Wire Set I got with it." posted by: Fixinmyfordagain on September 26, 2009 view all 2 reviews

$12.07 List Price $14.24 Save $2.17 Availability: In Stock
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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
  • 18 mm reach
  • 0.63 in. hex size
  • 0.04 in. gap size
  • Tapered seat style
  • Resistor plug type
  • 0.4 mm iridium center electrode
  • 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


  • SKU#: NPIT16
  • Brand: Denso
  • Electrode Core Material: Iridium
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Gap Size: 1.1 mm
(see more)
Fits the following Buick Riviera Years:
  • 1995-1999 | 6 Cyl 3.8L | Base
  • 1995-1997 | 6 Cyl 3.8L | Base
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$5.95 List Price $13.80 Save $7.85 Availability: In Stock
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Bosch
Bosch is one of the largest global suppliers of automotive products, developing, manufacturing and supplying precision OE components and systems to vehicle manufacturers and the automotive aftermarket.

Platinum+4
  • SKU#: W0133-1636054
  • Brand: Bosch
  • Fit Note: FR45 NGK
 
Fits the following Buick Riviera Years:
  • 1985 | 8 Cyl 5.0L | Base
Rating: (see review/s)

"After 120K on old plugs i decided to give the engine that new life. These went in like butter and topped them with Bosh plug wires.. nice.. i dont think i ever felt the engine smoother I can clearly notice the pep from stop and smoother engine through out all the rpm range." posted by: Nish on January 10, 2013

"I am not an expert on these but i guess i get a good thing!" posted by: nick on August 8, 2011 view all 12 reviews

$8.34 List Price $9.84 Save $1.50 Availability: In Stock
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AC DELCO RAPIDFIRE PERFORMANCE PLATINUM SPARK PLUG, SOLD INDIVIDUALLY

AC Delco Rapidfire Performance Platinum Spark Plugs offer longer life and improved efficiency over time. It fits engines that run conventional plugs, as well as newer vehicles that require platinum plugs.

Features:
  • Constructed from top quality materials to help the engine run clean and longer
  • Copper core center electrode for improved heat transfer to the tip
  • Engineered to high standards and tested under extreme conditions to exceed OE specifications


  • SKU#: AC5
  • Brand: AC Delco
  • Fit Note: Car
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Gap Size: OE Replacement
(see more)
Fits the following Buick Riviera Years:
  • 1985 | 8 Cyl 5.0L | Base, Luxury
Rating: (see review/s)

"Changing out your spark plugs can make a big difference in how your vehicle runs. If you want to have more power and use less gas this is one thing you can do to help. Be sure to make sure the spark plug gap is set correctly for your vehicle." posted by: Mark J. on March 26, 2014

$12.95 List Price $15.28 Save $2.33 Availability: In Stock
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PULSTAR IRIDIUM 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
  • 0.5 mm fine-wire iridium tipped center electrode with copper core
  • Tapered seat
  • Resistor
  • Nickel alloy ground electrode

Features:
  • Latest in performance ignition technology
  • Provides up to 12 percent more horsepower and torque plus livelier throttle response than conventional spark plugs
  • Allows more efficient burning of fuel and generates a much larger spark at twice the speed than ordinary spark plugs
  • Promotes an increased gas mileage and greater horsepower to the wheels
  • Reduces carbon dioxide emissions and provides cleaner exhaust and 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


  • SKU#: PSTRCB1H10
  • Brand: Pulstar
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Iridium
  • Gap Size: 1.14 mm
(see more)
Fits the following Buick Riviera Years:
  • 1986 | 6 Cyl 3.8L | T-Type
  • 1984-1985 | 6 Cyl 3.8L | Base, Luxury, T-Type
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$9.00 List Price $10.62 Save $1.62 Availability: In Stock
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MOTORCRAFT SUPPRESSOR SPARK PLUG, FINEWIRE PLATINUM, SOLD INDIVIDUALLY

Delivers maximum voltage to the spark plug while maximizing performance and increases engine life; Resists corrosion and abrasion; Reduces the chance of misfire.

Specifications:

  • 0.06 in. gap size
  • Alternative plug
  • SKU#: MISP486
  • Brand: Motorcraft
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Warranty: 12-month or 12,000-mile Motorcraft limited warranty
 
Fits the following Buick Riviera Years:
  • 1995-1999 | 6 Cyl 3.8L | Base
  • 1995-1997 | 6 Cyl 3.8L | Base
(see more)
$7.95 List Price $9.38 Save $1.43 Availability: In Stock
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CHAMPION DOUBLE PLATINUM SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread diameter, 19 mm reach, 16mm hex size, resistor type; Platinum tipped for superior erosion resistance and spark for better performance; Engineered with triple sealed interior and copper core to reduce failure from heat and stress; Designed to replace original equipment double platinum plugs.
  • SKU#: C337071
  • Brand: Champion
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Reach: 14 mm
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Fits the following Buick Riviera Years:
  • 1985 | 8 Cyl 5.0L | Base, Luxury
$14.12 List Price $19.25 Save $5.13 Availability: In Stock
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ACCEL U-GROOVE PERFORMANCE SPARK PLUG, SOLD INDIVIDUALLY -- Resistor type; Features a unique U-groove ground electrode developed to meet the demand for improved ignitability and increased fuel combustion resulting in less flame dissipation; Gives the flame a groove to grow in that creates a larger flame front for a more complete combustion even in the case of lean air-fuel mixture; Produces greater firing energy and larger spark nucleus that stimulates faster combustion; Provides an increase in performance with improved throttle response, greater fuel efficiency and reduced emissions.
  • SKU#: A35P526S
  • Brand: Accel
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Copper
  • Reach: 0.71 in.
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Fits the following Buick Riviera Years:
  • 1995 | 6 Cyl 3.8L | Base
  • 1987-1993 | 6 Cyl 3.8L | Luxury
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$6.51 List Price $8.99 Save $2.48 Availability: In Stock
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E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 19 mm reach, 0.62 in. hex size, gasket 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.
  • SKU#: PYRE356
  • Brand: E3
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Product Class: Fuel saver
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Nickel alloy
(see more)
Fits the following Buick Riviera Years:
  • 1985 | 8 Cyl 5.0L | Base, Luxury
Rating: (see review/s)

"I also noticed more acceleration and power pulling our RV" posted by: fhccaretaker on September 5, 2010

"put into a 85 chev suburban with 170,000 miles power and performance came up milage up about 2mpg and oil usage way down" posted by: laguna on February 23, 2010 view all 5 reviews

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