Denso 6040 T20MP-U Nickel U-Groove Spark Plug

Denso U-Groove spark plugs feature a u-shaped groove in the ground electrode, giving the flame a groove to grow in, resulting in less flame dissipation and a larger flame front for a more complete combustion. This translates to better fuel efficiency and improved throttle response. Machine rolled threads prevent seizing or cross threading during installation and removal. 100% pre-fired to assure the highest quality possible. Purified alumina powder insulator provides exceptional strength and thermal conductivity. Five rib insulator prevents flashover. Copper-glass seal bonds center electrode and insulator for a gas-tight seal.

• Shell
• Thread Diameter14mm
• Thread Pitch1.25mm
• Seat TypeTapered
• Reach7.8mm (.307")
• Hex Size5/8" (16mm)
• Terminal TypeRemovable Nut
• Overall HeightBantam
• Gap.024" (0.6mm)

• Center Electrode
• MaterialNickel
• TypeStandard
• Size2.5mm
• ProjectionProjected

• Ground Electrode
• MaterialNickel
• TypeU-Groove
• Quantity1

• Specifications
• ResistorNo
• Heat Range20
• Torque SpecsCast Iron: 7-15 lb. ft. Aluminum: 7-15 lb. ft.

• Part Information
• BrandDenso
• Warranty12 Months
• Longevity20-30k Miles

Automotive

Sorry, no automotive applications are associated with this part.

Powersports

Sorry, no powersports applications are associated with this part.

Lawn & Garden

• Trimmers & Brush Cutters
  • Hoffco
    • HB250 Verify fitment
  • Homelite
    • ST100 Verify fitment
    • ST120 Verify fitment
    • ST150 Verify fitment
    • ST155 Verify fitment
    • ST160 Verify fitment
    • ST160A Verify fitment
    • ST165 Verify fitment
    • ST175 Verify fitment
    • ST175BC Verify fitment
    • ST180 Verify fitment
    • ST185 Verify fitment
    • ST200 Verify fitment
    • ST285 Verify fitment
    • ST385 Verify fitment
    • ST485 Verify fitment
    • ST80 Verify fitment
    • ST90 Verify fitment
    • ST-160 Verify fitment
    • ST-160A Verify fitment
    • ST-175G Verify fitment
    • ST-180 Verify fitment
    • SX-135 Verify fitment
    • SX-155 Verify fitment
  • McCulloch
    • Mac 3518 Verify fitment
  • Ryobi
    • 2090RC Verify fitment
    • 740R Verify fitment
    • 750R Verify fitment
    • 780R Verify fitment
    • 790PR Verify fitment
    • 790R Verify fitment
    • 310RT Verify fitment
    • 330RB Verify fitment
    • 340RB Verify fitment
    • 700R Verify fitment
    • 704AVP Verify fitment
    • 704R Verify fitment
    • 705R Verify fitment
    • 725R Verify fitment
    • 760R Verify fitment
    • 765R Verify fitment
    • 767R Verify fitment
    • 767RJ Verify fitment
    • 768R Verify fitment
    • 770R Verify fitment
    • 775R Verify fitment
    • 790K Verify fitment
    • 885R Verify fitment
  • Sabre
    • B25 Verify fitment
    • S25 Verify fitment
    • S25C Verify fitment
  • Tanaka
    • TBC-2100 Verify fitment
    • TBC-2110 Verify fitment
    • TBC-2400 Verify fitment
    • TBC-2410 Verify fitment
    • TBC-2800 Verify fitment
  • Toro
    • 51906 Verify fitment
  • Craftsman
    • 51715 Verify fitment
    • 51716 Verify fitment
    • 79010 Verify fitment
    • 79011 Verify fitment
    • 79500 Verify fitment
    • 79501 Verify fitment
    • 79503 Verify fitment
    • 79607 Verify fitment
    • 79608 Verify fitment
    • 79822 Verify fitment
    • 79824 Verify fitment
    • 51718 Verify fitment
  • Dolmar
    • BC250 Verify fitment
    • BC330 Verify fitment
    • BC400 Verify fitment
• Blowers, Sprayers, Vacuums
  • Homelite
    • BP250 Verify fitment
    • BX90 Verify fitment
    • HB 180 Verify fitment
    • HB280 Verify fitment
    • HB380 Verify fitment
    • HB-390 Verify fitment
    • HB-390V Verify fitment
    • HB480 Verify fitment
    • HB680 Verify fitment
  • Ryobi
    • 280R Verify fitment
    • 310BVR Verify fitment
    • RGBV3100 Verify fitment
  • Tanaka
    • THB-2100 Verify fitment
• Lawn & Garden Equipment
  • Homelite
    • E200 Verify fitment
    • HTC-12 Verify fitment
    • PSE-3000 Verify fitment
• Outdoor Power Equipment
  • Homelite
    • 180V Verify fitment
    • HB-100 Verify fitment
    • HB-180 Verify fitment
    • ZR 625 Verify fitment
    • ZR 725 Verify fitment
    • ZR 825 Verify fitment
    • ZR 830 Verify fitment
    • ZR 885 Verify fitment
    • 200 All Models Verify fitment
    • HT 17 Verify fitment
    • XL-TI Verify fitment
  • McCulloch
    • 3000 Verify fitment
    • 3900 Verify fitment
    • Mac 3214 Verify fitment
    • Mac 3216 Verify fitment
    • Mac 3516 Verify fitment
    • Mac 3818 Verify fitment
    • Titan 2500 Verify fitment
    • Titan 2560AV Verify fitment
    • Titan 2000 Verify fitment
    • Titan 2030 Verify fitment
    • Titan 2100 Verify fitment
    • Titan 2250 Verify fitment
    • Titan 2310 Verify fitment
    • Titan 2360 Verify fitment
    • Titan 3000 Verify fitment
    • Titan GLE2380 Verify fitment
    • Titan GLE2580AV Verify fitment
    • Titan25810-GLE Verify fitment
    • Titan3900 Verify fitment
  • AL-KO
    • Brushcutters Verify fitment
• Snow Thrower
  • Homelite
    • All Models Verify fitment
• Chain Saws
  • Jonsered
    • 510 Verify fitment
    • 510M Verify fitment
  • Makita
    • DCS-330S Verify fitment
    • DCS-340 Verify fitment
    • DCS-341 Verify fitment
    • DCS-390 Verify fitment
    • DCS-400 Verify fitment
    • DCS-401 Verify fitment
  • McCulloch
    • Eager Beaver 2000 Series Verify fitment
    • Eager Beaver 2100AV Series Verify fitment
    • Eager Beaver Super 2300AV Series Verify fitment
    • MAC Cat 16 Verify fitment
    • MAC Cat 18 Verify fitment
    • MAC Cat Super 16AV Verify fitment
    • MAC Cat Super 18AV Verify fitment
    • MAC-3200 Series Verify fitment
    • MAC-3500 AV Series Verify fitment
    • MAC-3800 Series Verify fitment
    • Pro Mac 2500, 3205AV-14 Verify fitment
    • Pro Mac 2500, 3805AV-18 Verify fitment
    • Pro Mac 3505 AV-16 Verify fitment
    • Pro Mac 380 Verify fitment
    • Pro Mac 8200AV Verify fitment
    • Pro-Mac 51 Verify fitment
    • Pro-Mac 55 Verify fitment
    • Silver Eagle SE2012 Verify fitment
    • Silver Eagle SE2012b Verify fitment
    • Silver Eagle SE2014 Verify fitment
    • Silver Eagle SE2014K Verify fitment
    • Silver Eagle SE2016 Verify fitment
    • Silver Eagle SE2116 Verify fitment
    • Silver Eagle SE2316 Verify fitment
    • Silver Eagle SE2318 Verify fitment
  • Partner
    • P500 Verify fitment
    • P5000 Verify fitment
  • Pioneer
    • Power Saws Verify fitment
  • Dolmar
    • 100 Verify fitment
    • 100 S Verify fitment
    • 100 Super Verify fitment
    • 102 Verify fitment
    • PS-340 Verify fitment
    • PS-341 Verify fitment
    • PS-400 Verify fitment
    • PS-401 Verify fitment
    • PS-410 Verify fitment
    • PS-411 Verify fitment
  • Toro
    • 100 Verify fitment
    • 100Super Verify fitment
    • 102 Verify fitment
  • Trench Doctor
    • PS-340 Verify fitment
  • Trench Master
    • PS-341 Verify fitment
    • PS-400 Verify fitment
    • PS-401 Verify fitment
  • Vermeer
    • 410 Verify fitment
    • 420 Verify fitment
    • 490 Verify fitment
    • 510 Verify fitment
    • 510M Verify fitment
    • 520 SP Verify fitment
  • Weed Eater
    • DCS-330S Verify fitment
    • DCS-340 Verify fitment
    • DCS-341 Verify fitment
    • DCS-390 Verify fitment
    • DCS-400 Verify fitment
    • DCS-401 Verify fitment
  • Green Machine
    • 20 Verify fitment
  • Homelite
    • 180 Verify fitment
    • 192 Verify fitment
    • 200 All Models Verify fitment
    • 240 Models Verify fitment
    • 245HG Verify fitment
    • 245SL Verify fitment
    • 250 All Models Verify fitment
    • 252 All Models Verify fitment
    • 330 Models Verify fitment
    • 540 Verify fitment
    • CS-40 Verify fitment
    • DM-40 Verify fitment
    • DM-54 Multi-Purpose Verify fitment
    • Little Red XL Verify fitment
    • LX30 Verify fitment
• Cultivators
  • Ryobi
    • 410R Verify fitment
• Edgers
  • Ryobi
    • 720ER Verify fitment
  • Tanaka
    • TPE-2100 Verify fitment
    • TPE-2410 Verify fitment
  • Craftsman
    • 79738 Verify fitment
• Tillers
  • Yard Machine
    • Ryobi Verify fitment
• Power Equipment Engines
  • Ryobi
    • 2-Stroke Verify fitment