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  • Denso QJ16HR-U Nickel U-Groove Spark Plug - 5018
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Denso QJ16HR-U Nickel U-Groove Spark Plug - 5018
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Denso QJ16HR-U Nickel U-Groove Spark Plug - 5018

DENSO
ELE2074
In stock
$9.68 $7.99
Description The Denso QJ16HR-U Nickel U-Groove Spark Plug is a reliable OE-style replacement spark plug engineered...
$7.99
Denso QJ16HR-U Nickel U-Groove Spark Plug - 5018
Description

Description

The Denso QJ16HR-U Nickel U-Groove Spark Plug is a reliable OE-style replacement spark plug engineered to support efficient combustion, stable ignition performance, and consistent drivability. Its U-groove ground electrode is designed to give the flame a larger area to develop, helping reduce flame dissipation and promote a broader flame front for more complete combustion. This can help support improved throttle response and fuel efficiency in properly maintained engines.

Built with Denso’s precision manufacturing standards, this plug features machine-rolled threads to help prevent seizing or cross-threading during installation and removal. The purified alumina insulator provides excellent strength and thermal conductivity, while the five-rib insulator helps resist flashover. A copper-glass seal bonds the center electrode and insulator for a gas-tight seal, helping ensure long-term durability and reliable ignition performance across a wide range of Chrysler, Dodge, Jeep, Eagle, American Motors, and Plymouth applications.

Features

  • Part number: 5018
  • Plug type: QJ16HR-U
  • Denso Nickel U-Groove spark plug
  • OE-style replacement spark plug
  • U-shaped groove in the ground electrode helps create a larger flame front
  • Supports more complete combustion
  • Helps improve fuel efficiency and throttle response
  • Machine-rolled threads help prevent seizing and cross-threading
  • 100% pre-fired for quality assurance
  • Purified alumina powder insulator for strength and thermal conductivity
  • Five-rib insulator helps prevent flashover
  • Copper-glass seal provides a gas-tight bond
  • Center electrode material: Nickel
  • Center electrode type: Standard
  • Center electrode size: 2.5 mm
  • Center electrode projection: Extended Projection
  • Ground electrode material: Nickel
  • Ground electrode type: U-Groove
  • Ground electrode quantity: 1
  • Resistor type: Yes
  • Resistor value: 5k Ohm
  • Heat range: 16
  • Longevity: 20,000-30,000 miles
  • Warranty: 12 months

Specifications

Shell

  • Thread diameter: 14 mm
  • Thread pitch: 1.25 mm
  • Seat type: Gasket
  • Reach: 19 mm (3/4 in)
  • Hex size: 5/8 in (16 mm)
  • Terminal type: Removable Nut
  • Overall height: JIS

Gap

  • Gap: 0.035 in (0.9 mm)

Torque Specs

  • Cast iron: 26-30 lb-ft
  • Aluminum: 15-22 lb-ft

Vehicle Fitment

American Motors

  • Concord Base — 1981-1983
  • Concord DL — 1981-1983
  • Concord Limited — 1981-1983
  • Eagle Base — 1982-1988
  • Eagle Limited — 1982-1988
  • Eagle DL Kammback — 1981-1982
  • Eagle Kammback — 1981-1982
  • Eagle DL SX4 — 1981-1983
  • Eagle SX4 — 1981-1983
  • Spirit Base — 1981-1982
  • Spirit DL — 1981-1983
  • Spirit GT — 1983

Chrysler

  • 300 Base — 2005-2007
  • 300 C — 2005-2010
  • 300 C SRT8 — 2005-2010
  • 300 Limited — 2005-2010
  • 300 LX — 2008-2009
  • 300 S — 2010
  • 300 Signature Series — 2009
  • 300 Touring — 2005-2010
  • 300 Walter P. Chrysler Signature Series — 2010
  • 300M Base — 1999-2004
  • 300M Pro-Am — 2003
  • 300M Special — 2002-2004
  • Concorde Base — 1993-1995
  • Concorde LX — 1996-2004
  • Concorde LXi — 1996-2004
  • LHS Base — 1994, 1996, 1999-2001
  • New Yorker Base — 1994-1996
  • Pacifica Base — 2005-2008
  • Pacifica Limited — 2005-2008
  • Pacifica LX — 2008
  • Pacifica Touring — 2005-2008
  • Prowler Base — 2001-2002
  • Sebring Base — 2007
  • Sebring Limited — 2007-2010
  • Sebring LX — 2008-2010
  • Sebring Touring — 2007-2010
  • Town & Country Limited — 2008-2010
  • Town & Country LX — 2008-2010
  • Town & Country Touring — 2008-2010
  • Town & Country Touring Plus — 2010

Dodge

  • Avenger Express — 2010
  • Avenger Base — 1999-2000
  • Avenger ES — 1999-2000
  • Avenger R/T — 2008-2010
  • Avenger SE — 2008-2009
  • Avenger SXT — 2010
  • Challenger R/T — 2009-2010
  • Challenger SE — 2009-2010
  • Challenger SRT8 — 2009-2010
  • Charger Base — 2006-2007
  • Charger Daytona R/T — 2006
  • Charger Pursuit — 2006-2010
  • Charger R/T — 2006-2010
  • Charger SE — 2006-2010
  • Charger SRT8 — 2006-2010
  • Charger SXT — 2006-2010
  • Dakota Base — 1996, 1998-2002
  • Dakota R/T — 1998-2002
  • Dakota SLT — 1996-2002
  • Dakota Sport — 1996-2002
  • Dakota SXT — 2002
  • Dakota TRX — 2008
  • Dakota TRX4 — 2008
  • Dakota WS — 1996
  • Grand Caravan C/V — 2008-2010
  • Grand Caravan SE — 2008-2010
  • Grand Caravan SXT — 2008-2010
  • Intrepid Base — 1993-2000
  • Intrepid ES — 1993-2004
  • Intrepid Police — 2004
  • Intrepid R/T — 2000-2002
  • Intrepid SE — 2000-2004
  • Intrepid SXT — 2003-2004
  • Journey Base — 2010
  • Journey Crew — 2010
  • Journey R/T — 2009-2010
  • Journey SE — 2009-2010
  • Journey SXT — 2009-2010
  • Magnum R/T — 2005-2008
  • Magnum SE — 2005-2008
  • Magnum SRT8 — 2006-2008
  • Magnum SXT — 2005-2008
  • Magnum SXT Special Edition — 2005
  • Nitro Detonator — 2010
  • Nitro Heat — 2010
  • Nitro R/T — 2008-2009
  • Nitro SE — 2009-2010
  • Nitro Shock — 2010
  • Nitro SLT — 2008-2009
  • Nitro SXT — 2008-2010
  • Ram 1500 Laramie — 2004-2007
  • Ram 1500 SLT — 2004-2007
  • Ram 1500 Sport — 2006-2007
  • Ram 1500 SRT-10 — 2004-2006
  • Ram 1500 ST — 2004-2007
  • Ram 1500 TRX4 — 2006-2007
  • Stratus ES — 2000
  • Stratus SE — 2000
  • Viper Base — 1992-1996
  • Viper ACR — 2000-2002
  • Viper GT2 — 1998
  • Viper GTS — 1996-2002
  • Viper R/T-10 — 1998-2002
  • Viper SRT-10 — 2003-2006

Eagle

  • Premier ES — 1988-1989
  • Premier LX — 1988-1989
  • Vision ESi — 1993-1997
  • Vision TSi — 1993-1997

Jeep

  • Cherokee Base — 1989-1993
  • Cherokee Briarwood — 1991-1992
  • Cherokee Chief — 1982, 1986-1988
  • Cherokee Classic — 1996, 1998-2001
  • Cherokee Country — 1995-1997
  • Cherokee Laredo — 1989-1992, 2001
  • Cherokee Limited — 1988-1992, 1996-2001
  • Cherokee Pioneer — 1989-1990, 1983-1988
  • Cherokee SE — 1992-2001
  • Cherokee Sport — 1989-2001
  • Cherokee Wide Track Chief — 1982-1983
  • Cherokee Wide Track Laredo — 1981-1983
  • CJ5 Base — 1982-1983
  • CJ5 Laredo — 1981-1983
  • CJ5 Limited — 1982-1983
  • CJ5 Renegade — 1981-1983
  • CJ7 Base — 1982-1986
  • CJ7 Laredo — 1982-1986
  • CJ7 Limited — 1982-1983
  • CJ7 Renegade — 1982-1986
  • Comanche Base — 1988-1992
  • Comanche Chief — 1987-1988
  • Comanche Custom — 1986
  • Comanche Eliminator — 1988-1992
  • Comanche Laredo — 1988
  • Comanche Pioneer — 1987-1992
  • Comanche X — 1986
  • Comanche XLS — 1986
  • Grand Cherokee Base — 1993
  • Grand Cherokee 5.9 Limited — 1998
  • Grand Cherokee Laredo — 1993-2004, 2009
  • Grand Cherokee Limited — 1993-2004, 2009
  • Grand Cherokee Orvis — 1995, 1997
  • Grand Cherokee Overland — 2002-2004, 2009
  • Grand Cherokee SE — 1994-1995
  • Grand Cherokee Special Edition — 2004
  • Grand Cherokee Sport — 2002
  • Grand Cherokee TSi — 1997-1998
  • J10 Base — 1983-1987
  • Scrambler Base — 1981-1985
  • Scrambler Laredo — 1985
  • Scrambler Renegade — 1985
  • Scrambler SL — 1982-1983
  • Scrambler SR — 1982-1984
  • Wagoneer Base — 1981-1988
  • Wagoneer Brougham — 1982-1983
  • Wagoneer Limited — 1981-1988
  • Wrangler 65th Anniversary Edition — 2006
  • Wrangler Base — 1989-1993
  • Wrangler Islander — 1990-1992
  • Wrangler Laredo — 1989-1990, 1987-1988
  • Wrangler Renegade — 1992-1994
  • Wrangler Rio Grande — 1995
  • Wrangler Rubicon — 2003-2006
  • Wrangler S — 1992-1994
  • Wrangler Sahara — 1990-2006
  • Wrangler SE — 1994-2006
  • Wrangler Sport — 1998-2006
  • Wrangler Unlimited — 2004-2006
  • Wrangler Unlimited Rubicon — 2005-2006
  • Wrangler X — 2000-2006

Plymouth

  • Prowler Base — 1997, 2000-2001
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