Denso® - Original U-Groove Nickel Spark Plug

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1983 Buick Regal
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Product Details

Buick Regal 3.8L / 4.1L 1983, Original U-Groove Nickel Spark Plug by Denso®. OE Recommended Resistor Plug with Patented U-Groove Design. Denso's patented U-Groove spark plug enables complete combustion by allowing the spark to fill the gap created by the U shape. The ball of fire created in the U-Groove develops a larger and hotter flash front that virtually eliminates excessive fouling and erratic starts caused by poor fuel mixtures.

Specifications:

Electrode Tip Material: Nickel
Spark Plug Gap: Customizable
Quantity: 1
Heat Range: 16
Hex Size: 0.629"
Thread Reach: 0.457"
Resistance: 5 kOhm
Spark Plug Seat Style: Tapered
Center Electrode Core Material: Copper
Ground Configuration: Standard
Ground Electrode Core Material: Nickel
Ground Electrode Tip Design: U-Groove
Ground Electrode Quantity: 1
Gap: 0.060"

Features:

  • 100 percent pre-fired to ensure reliable operation
  • Copper core center electrode for superior thermal conductivity
  • Unique five-rib insulator reduces flashover
  • Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
  • Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads

Denso® factories are QS9000 and ISO9000 certified worldwide, just one of the many reasons why zero defects for parts produced in the millions is a reality for DENSO. A recipient of the prestigious Deming Award for quality in 1961, Denso spent over five decades perfecting technology and processes, a claim that few automotive manufacturers can make. Denso First Time Fit™ products — including A/C compressors, starters, alternators, oxygen sensors, ignition wire sets, fuel pumps, cabin air, oil and air filters, wiper blades and more — are products built and tested to OE-standard offered for the aftermarket by DENSO. Each of these products is precision-built for exact replacement so you don't have to worry about doing the same job twice.

Brand:
Part Number:
5027
UPC:
042511050273

Warranty Information

Limited warranty policy

For First Time Fit replacement light-duty automotive products

Denso Sales California, Inc. (“Denso”) warrants to the end user that the Denso First Time Fit brand aftermarket products, described below, shall be free of defects in materials and workmanship and will function in accordance with Denso’s published specifications, under ordinary intended use and service, for a period of twelve (12) months/unlimited miles after delivery to the end-user. Denso shall replace any defective product covered by this warranty. Such remedy shall be the end-user’s sole remedy with respect to any covered defect in the products.

This warranty does not cover defects or malfunctions, which result from causes beyond Denso’s control, including, without limitation, (1) unusual physical or electrical stress; (2) an accident, neglect, abuse, misuse or other abnormal use; (3) a failure to perform routine maintenance in accordance with specific vehicle manufacturer’s recommended procedures; (4) normal wear and tear; (5) product repairs or attempted product repairs by an unauthorized person; (6) alterations or modifications to the product; or (7) improper servicing. This warranty shall extend only to the original end-user.

The aforesaid warranty is the only warranty made by Denso with respect to the products and is in lieu of all obligations or liabilities on the part of Denso for damages arising out of or in connection with the sale, use or performance of the products, including, without limitation, any consequential, incidental, special or exemplary damages of any kind. Denso disclaims all other warranties with regard to the products, including all implied warranties of merchantability and fitness for use. There are no warranties that extend beyond the description contained herein.

This warranty supersedes any other warranty statement and may also give you specific legal rights which may vary from state to state.

Excluded from this warranty are products which are subject to normal wear and tear, such as filters, ignition wires, oxygen sensors, spark plugs, wiper blades, etc.

Warrantable products

  • Air conditioning system: evaporators, compressors, compressor clutches, condensers
  • Engine cooling system: radiators
  • Fuel delivery system: fuel injectors, fuel pump assemblies, fuel pumps, fuel sending units
  • Ignition system: direct ignition coils (C.O.P.)
  • Rotating electrical: alternators, starters
Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

Buick Century
1985 Buick Century
  • 3.0L
1984 Buick Century
  • 3.0L
1983 Buick Century
  • 3.0L
1982 Buick Century
  • 3.0L
1981 Buick Century
  • 3.8L / 4.3L
1980 Buick Century
  • 3.8L / 4.3L / 4.9L
1979 Buick Century
  • 3.2L / 3.8L / 4.9L
1978 Buick Century
  • 3.2L
1977 Buick Century
  • 3.8L
Buick Electra
1985 Buick Electra
  • 3.0L / 3.8L
1984 Buick Electra
  • 4.1L
1983 Buick Electra
  • 4.1L
1982 Buick Electra
  • 4.1L
1981 Buick Electra
  • 4.1L
1980 Buick Electra
  • 4 / W / X Engine VIN Character
1979 Buick Electra
  • X Engine VIN Character
1978 Buick Electra
  • X Engine VIN Character
1976 Buick Electra
  • 7.5L
Buick Estate
1980 Buick Estate
  • W / X Engine VIN Character
1979 Buick Estate
  • X Engine VIN Character
1978 Buick Estate
  • X Engine VIN Character
1976 Buick Estate
Buick Le Sabre
1985 Buick Le Sabre
  • 3.8L
1984 Buick Le Sabre
  • 3.8L / 4.1L
1983 Buick Le Sabre
  • 3.8L / 4.1L
1982 Buick Le Sabre
  • 3.8L / 4.1L / 4.4L
1981 Buick Le Sabre
  • 3.8L / 4.1L
1980 Buick Le Sabre
  • 4 / W / X Engine VIN Character
1979 Buick Le Sabre
  • X Engine VIN Character
1978 Buick Le Sabre
  • U / X Engine VIN Character
1976 Buick Le Sabre
  • 7.5L
1975 Buick Le Sabre
  • 6.6L
Buick Regal
1987 Buick Regal
  • 3.8L
1986 Buick Regal
  • 3.8L
1985 Buick Regal
  • 3.8L
1984 Buick Regal
  • 3.8L / 4.1L
1983 Buick Regal
  • 3.8L / 4.1L
1982 Buick Regal
  • 3.8L / 4.1L
1981 Buick Regal
  • 3.8L / 4.3L
1980 Buick Regal
  • 3.8L / 4.3L / 4.9L
1979 Buick Regal
  • 3.2L / 3.8L / 4.9L
Buick Riviera
1985 Buick Riviera
  • 3.8L
1984 Buick Riviera
  • 3.8L / 4.1L
1983 Buick Riviera
  • 3.8L / 4.1L
1982 Buick Riviera
  • 4.1L
1981 Buick Riviera
  • 4.1L
1978 Buick Riviera
  • X Engine VIN Character
1976 Buick Riviera
Buick Skyhawk
1980 Buick Skyhawk
1979 Buick Skyhawk
1978 Buick Skyhawk
Buick Skylark
1979 Buick Skylark
  • 3.8L
Cadillac Deville
1982 Cadillac Deville
  • 4 Engine VIN Character
1981 Cadillac Deville
  • 4.1L
1980 Cadillac Deville
  • 4.1L
Cadillac Eldorado
1982 Cadillac Eldorado
  • V6
1981 Cadillac Eldorado
  • 4.1L
Cadillac Fleetwood
1982 Cadillac Fleetwood
  • V6
1981 Cadillac Fleetwood
  • 4.1L
1980 Cadillac Fleetwood
  • 4.1L
Cadillac Seville
1982 Cadillac Seville
  • V6
1981 Cadillac Seville
  • 4.1L
Chevy Camaro
1981 Chevy Camaro
  • 3.8L
1980 Chevy Camaro
  • 3.8L
Chevy Caprice
1985 Chevy Caprice
  • 3.8L
1984 Chevy Caprice
  • 3.8L
1983 Chevy Caprice
  • 3.8L
1982 Chevy Caprice
  • 3.8L
1981 Chevy Caprice
  • 3.8L
1980 Chevy Caprice
  • 3.8L
Chevy El Camino
1984 Chevy El Camino
  • 3.8L
1983 Chevy El Camino
  • 3.8L
1982 Chevy El Camino
  • 3.8L
1981 Chevy El Camino
  • 3.8L
1980 Chevy El Camino
  • 3.8L
1979 Chevy El Camino
  • 3.8L
1978 Chevy El Camino
  • 3.8L
Chevy Impala
1985 Chevy Impala
  • 3.8L
1984 Chevy Impala
  • 3.8L
1983 Chevy Impala
  • 3.8L
1982 Chevy Impala
  • 3.8L
1981 Chevy Impala
  • 3.8L
1980 Chevy Impala
  • 3.8L
Chevy Malibu
1983 Chevy Malibu
  • 3.8L
1982 Chevy Malibu
  • 3.8L
1981 Chevy Malibu
  • 3.8L
1980 Chevy Malibu
  • 3.8L
1979 Chevy Malibu
  • 3.8L
1978 Chevy Malibu
  • 3.8L
Chevy Monte Carlo
1987 Chevy Monte Carlo
  • 3.8L
1986 Chevy Monte Carlo
  • 3.8L
1985 Chevy Monte Carlo
  • 3.8L
1984 Chevy Monte Carlo
  • 3.8L
1983 Chevy Monte Carlo
  • 3.8L
1982 Chevy Monte Carlo
  • 3.8L
1981 Chevy Monte Carlo
  • A / K Engine VIN Character
1980 Chevy Monte Carlo
  • A / K Engine VIN Character
1979 Chevy Monte Carlo
  • 3.8L
1978 Chevy Monte Carlo
  • 3.8L
Chevy Monza
1980 Chevy Monza
1979 Chevy Monza
  • 3.2L / 3.8L
1978 Chevy Monza
  • 3.2L / 3.8L
Ford Fairmont
1982 Ford Fairmont
  • 4.2L
1981 Ford Fairmont
  • 4.2L
1980 Ford Fairmont
  • 4.2L
1979 Ford Fairmont
  • 5.0L
1978 Ford Fairmont
  • 5.0L
Ford Granada
1981 Ford Granada
  • 4.2L
1980 Ford Granada
  • 4.2L / 5.0L
1979 Ford Granada
  • 5.0L
1978 Ford Granada
  • 5.0L
1977 Ford Granada
  • 5.0L
Ford LTD
1983 Ford LTD
  • 5.0L
1982 Ford LTD
  • 4.2L
1981 Ford LTD
  • 4.2L
1979 Ford LTD / LTD II
  • 5.0L
1978 Ford LTD / LTD II
  • 5.0L / 6.6L
1977 Ford LTD / LTD II
  • 5.0L / 6.6L
Ford Mustang
1983 Ford Mustang
  • 5.0L
1982 Ford Mustang
  • 4.2L
1981 Ford Mustang
  • 4.2L
1980 Ford Mustang
  • 4.2L
1979 Ford Mustang
  • 5.0L
1978 Ford Mustang
  • 5.0L
1977 Ford Mustang
  • 5.0L
Ford Ranchero
1979 Ford Ranchero
  • 5.0L
1978 Ford Ranchero
  • 5.0L
1977 Ford Ranchero
  • 5.0L
Ford Thunderbird
1983 Ford Thunderbird
  • 5.0L
1982 Ford Thunderbird
  • 4.2L
1981 Ford Thunderbird
  • 4.2L
1980 Ford Thunderbird
  • 4.2L
1979 Ford Thunderbird
  • 5.0L
1978 Ford Thunderbird
  • 5.0L / 6.6L
1977 Ford Thunderbird
  • 5.0L / 6.6L
GMC Caballero
1984 GMC Caballero
  • 3.8L
1983 GMC Caballero
  • 3.8L
1982 GMC Caballero
  • 3.8L
1981 GMC Caballero
  • 3.8L
1980 GMC Caballero
  • 3.8L
1979 GMC Caballero
  • 3.8L
1978 GMC Caballero
  • 3.8L
Jeep CJ
1983 Jeep CJ5 / CJ7
  • 2.5L
1982 Jeep CJ5 / CJ7
  • 2.5L
1981 Jeep CJ5 / CJ7
  • 2.5L
1980 Jeep CJ5 / CJ7
  • 2.5L
Jeep Scrambler
1983 Jeep Scrambler
  • 2.5L
1982 Jeep Scrambler
  • 2.5L
1981 Jeep Scrambler
  • 2.5L
Lincoln Continental
1984 Lincoln Continental
  • 5.0L
1983 Lincoln Continental
1982 Lincoln Continental
  • 5.0L
1980 Lincoln Continental
1979 Lincoln Continental
1978 Lincoln Continental
  • 6.6L
1977 Lincoln Continental
  • 6.6L
Lincoln Mark V
1979 Lincoln Mark V
1978 Lincoln Mark V
  • 6.6L
1977 Lincoln Mark V
  • 6.6L
Lincoln Mark VI
1983 Lincoln Mark VI
1982 Lincoln Mark VI
1981 Lincoln Mark VI
1980 Lincoln Mark VI
Lincoln Mark VII
1984 Lincoln Mark VII
  • 5.0L
Lincoln Town Car
1984 Lincoln Town Car
1983 Lincoln Town Car
1982 Lincoln Town Car
1981 Lincoln Town Car
Lincoln Versailles
1980 Lincoln Versailles
1979 Lincoln Versailles
1978 Lincoln Versailles
1977 Lincoln Versailles
  • 5.0L
Mercury Capri
1983 Mercury Capri
  • 5.0L
1982 Mercury Capri
  • 4.2L / 5.0L
1981 Mercury Capri
  • 4.2L
1980 Mercury Capri
  • 4.2L
1979 Mercury Capri
  • 5.0L
Mercury Comet
1977 Mercury Comet
  • 5.0L
1976 Mercury Comet
  • 4.1L / 5.0L
1975 Mercury Comet
  • 4.1L / 5.0L
Mercury Cougar
1984 Mercury Cougar
  • 5.0L
1983 Mercury Cougar
  • 5.0L
1982 Mercury Cougar
  • 4.2L
1981 Mercury Cougar
  • 4.2L / 5.0L
1980 Mercury Cougar
  • 4.2L / 5.0L
1979 Mercury Cougar
  • 5.0L
1978 Mercury Cougar
  • 5.0L / 6.6L
1977 Mercury Cougar
  • 5.0L / 6.6L
Mercury Grand Marquis
1985 Mercury Grand Marquis
  • 5.8L
1984 Mercury Grand Marquis
  • 5.0L
1983 Mercury Grand Marquis
  • 5.0L
1982 Mercury Grand Marquis
1981 Mercury Grand Marquis
  • 4.2L / 5.0L
1980 Mercury Grand Marquis
1979 Mercury Grand Marquis
  • 5.0L
1978 Mercury Grand Marquis
  • 6.6L
1977 Mercury Grand Marquis
  • 6.6L
1976 Mercury Grand Marquis
  • 6.6L
Mercury Marquis
1982 Mercury Marquis
  • 4.2L / 5.0L
1981 Mercury Marquis
  • 4.2L / 5.0L
1980 Mercury Marquis
  • 5.0L
1979 Mercury Marquis
  • 5.0L
1978 Mercury Marquis
  • 6.6L
1977 Mercury Marquis
  • 6.6L
Mercury Monarch
1980 Mercury Monarch
  • 4.2L / 5.0L
1979 Mercury Monarch
  • 5.0L
1978 Mercury Monarch
  • 5.0L
1977 Mercury Monarch
  • 5.0L
1976 Mercury Monarch
  • 5.0L
1975 Mercury Monarch
  • 5.0L
Mercury Zephyr
1982 Mercury Zephyr
  • 4.2L
1981 Mercury Zephyr
  • 4.2L
1980 Mercury Zephyr
  • 4.2L
1979 Mercury Zephyr
  • 5.0L
1978 Mercury Zephyr
  • 5.0L
Oldsmobile Calais
1984 Oldsmobile Calais
  • 3.8L
1983 Oldsmobile Calais
  • 3.8L
1982 Oldsmobile Calais
  • 3.8L
1981 Oldsmobile Calais
  • 3.8L
1980 Oldsmobile Calais
  • 3.8L
1979 Oldsmobile Calais
  • 3.8L
1978 Oldsmobile Calais
  • 3.8L
Oldsmobile Ciera
1985 Oldsmobile Ciera
  • 3.0L / 3.8L
1984 Oldsmobile Ciera
  • 3.0L / 3.8L
1983 Oldsmobile Ciera
  • 3.0L
1982 Oldsmobile Ciera
  • 3.0L
Oldsmobile Custom Cruiser
1975 Oldsmobile Custom Cruiser
  • S Engine VIN Character
Oldsmobile Cutlass
1987 Oldsmobile Cutlass Salon / Cutlass Supreme
  • 3.8L
1986 Oldsmobile Cutlass Salon / Cutlass Supreme
  • 3.8L
1985 Oldsmobile Cutlass Salon / Cutlass Supreme
  • 3.8L
1984 Oldsmobile Cutlass
  • 3.8L
1983 Oldsmobile Cutlass
  • 3.8L
1982 Oldsmobile Cutlass
  • 3.8L
1981 Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme
  • 3.8L
1980 Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Salon / Cutlass Supreme
  • 3.8L
1979 Oldsmobile Cutlass / Cutlass Salon / Cutlass Supreme
  • 3.8L
1978 Oldsmobile Cutlass / Cutlass Salon / Cutlass Supreme
  • 3.8L
Oldsmobile Eighty-Eight
1985 Oldsmobile Eighty-Eight
  • 3.8L
1984 Oldsmobile Eighty-Eight
  • 3.8L
1983 Oldsmobile Eighty-Eight
  • 3.8L
1982 Oldsmobile Eighty-Eight
  • 3.8L
1981 Oldsmobile Eighty-Eight
  • 3.8L
1980 Oldsmobile Eighty-Eight
  • 3.8L
1979 Oldsmobile Eighty-Eight
  • 3.8L
1978 Oldsmobile Eighty-Eight
  • 3.8L
1977 Oldsmobile Eighty-Eight
  • A Engine VIN Character
Oldsmobile Ninety-Eight
1985 Oldsmobile Ninety-Eight
  • 3.0L / 3.8L
1983 Oldsmobile Ninety-Eight
  • 4.1L
1982 Oldsmobile Ninety-Eight
  • 4.1L
1981 Oldsmobile Ninety-Eight
  • 4.1L
1975 Oldsmobile Ninety-Eight
  • 6.6L
Oldsmobile Omega
1979 Oldsmobile Omega
  • 3.8L
1978 Oldsmobile Omega
  • 3.8L
Oldsmobile Starfire
1980 Oldsmobile Starfire
  • 3.8L
1979 Oldsmobile Starfire
  • 3.8L
1978 Oldsmobile Starfire
  • 3.8L
1977 Oldsmobile Starfire
  • A Engine VIN Character
Oldsmobile Toronado
1984 Oldsmobile Toronado
  • 4.1L
1983 Oldsmobile Toronado
  • 4.1L
1982 Oldsmobile Toronado
  • 4.1L
1981 Oldsmobile Toronado
  • 4.1L
Pontiac Bonneville
1986 Pontiac Bonneville
  • 3.8L
1985 Pontiac Bonneville
  • 3.8L
1984 Pontiac Bonneville
  • 3.8L
1983 Pontiac Bonneville
  • 3.8L
1982 Pontiac Bonneville
  • 3.8L / 4.1L
1981 Pontiac Bonneville
  • 3.8L / 4.3L
1980 Pontiac Bonneville
  • A / S / W / X Engine VIN Character
1979 Pontiac Bonneville
  • W / X / Y Engine VIN Character
1978 Pontiac Bonneville
  • K / W / X / Y / Z Engine VIN Character
1977 Pontiac Bonneville
  • K / P / Z Engine VIN Character
1976 Pontiac Bonneville
  • 6.6L
1975 Pontiac Bonneville
  • 6.6L
Pontiac Catalina
1981 Pontiac Catalina
  • 3.8L / 4.3L
1980 Pontiac Catalina
  • A / K / S / W / X Engine VIN Character
1979 Pontiac Catalina
  • A / W / X / Y Engine VIN Character
1978 Pontiac Catalina
  • K / X / Y / Z Engine VIN Character
1977 Pontiac Catalina
  • K / P / Z Engine VIN Character
1976 Pontiac Catalina
  • 6.6L
1975 Pontiac Catalina
  • 6.6L
Pontiac Firebird
1981 Pontiac Firebird
  • 3.8L / 4.3L / 4.9L
1980 Pontiac Firebird
  • 3.8L / 4.3L / 4.9L
1979 Pontiac Firebird
  • 3.8L / 4.9L / 6.6L
1978 Pontiac Firebird
  • 6.6L
1977 Pontiac Firebird
  • K / P / Z Engine VIN Character
1976 Pontiac Firebird
  • 5.7L / 6.6L
1975 Pontiac Firebird
  • 5.7L / 6.6L
Pontiac Grand Am
1980 Pontiac Grand Am
  • 4.9L
1979 Pontiac Grand Am
  • 3.8L / 4.9L
1978 Pontiac Grand Am
  • 4.9L
1975 Pontiac Grand Am
  • 6.6L
Pontiac Grand Prix
1987 Pontiac Grand Prix
  • 3.8L
1986 Pontiac Grand Prix
  • 3.8L
1985 Pontiac Grand Prix
  • 3.8L
1984 Pontiac Grand Prix
  • 3.8L
1983 Pontiac Grand Prix
  • 3.8L
1982 Pontiac Grand Prix
  • 3.8L / 4.1L
1981 Pontiac Grand Prix
  • 3.8L / 4.3L
1980 Pontiac Grand Prix
  • 3.8L / 4.3L / 4.9L
1979 Pontiac Grand Prix
  • 3.8L / 4.9L
1978 Pontiac Grand Prix
  • 4.9L
1977 Pontiac Grand Prix
  • K / P / Z Engine VIN Character
1976 Pontiac Grand Prix
  • 5.7L / 6.6L
1975 Pontiac Grand Prix
  • 6.6L
Pontiac Grand Safari
1978 Pontiac Grand Safari
  • 6.6L
1977 Pontiac Grand Safari
  • 6.6L
1976 Pontiac Grand Safari
  • 6.6L
1975 Pontiac Grand Safari
  • 6.6L
Pontiac Grandville
1975 Pontiac Grandville
  • 6.6L
Pontiac Laurentian
1981 Pontiac Laurentian
  • 4.3L
Pontiac LeMans
1981 Pontiac Grand LeMans / LeMans
  • 3.8L / 4.3L / 4.9L
1980 Pontiac Grand LeMans / LeMans
  • 3.8L / 4.3L / 4.9L
1979 Pontiac Grand LeMans / LeMans
  • 3.8L / 4.9L
1977 Pontiac LeMans
  • K / L / P / Z Engine VIN Character
1977 Pontiac Grand LeMans
  • K / P / Z Engine VIN Character
1976 Pontiac LeMans
  • 5.7L
1976 Pontiac Grand LeMans / LeMans
  • 6.6L
1975 Pontiac Grand LeMans / LeMans
  • 6.6L
Pontiac Parisienne
1984 Pontiac Parisienne
  • 3.8L
1983 Pontiac Parisienne
  • 3.8L
1981 Pontiac Parisienne
  • 4.3L
Pontiac Phoenix
1979 Pontiac Phoenix
  • 3.8L
Pontiac Sunbird
1980 Pontiac Sunbird
  • 3.8L
1979 Pontiac Sunbird
  • 3.8L
Low Prices Price match guarantee
In-House Experts We know our products
Guaranteed Fitment Always the correct part
Easy Returns Quick & Hassle Free

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