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Champion Industrial Spark Plug 25 - Superior Performance & Durability

Part Number 525 (101040377)
Select vehicle for guaranteed fit
Replacement for OE part ABC435-MM
$15.26
Out of stock

Description

Champion® Copper Plus® small engine spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your small engine with spark plugs engineered to improve efficiency and keep your equipment running at its best.

Champion Spark Plug Logo

Champion?is an American brand of?spark plug. In 1989,?Champion?was purchased by Cooper Industries and is now a wholly owned brand of Federal-Mogul Corporation. Its main products are a line of?spark plugs?for a wide range of cars, trucks, SUVs, racing and marine applications.

Fitment

This part fits the following vehicles.

  • 1908-1927 Ford Model T
  • 1909-1927 Ford Model TT
  • 1911 Reo 25 HP
  • 1911 Reo 30 HP
  • 1911 Reo 35 HP
  • 1916-1918 Reo Model M
  • 1920-1926 Reo Model T-6
  • 1905-1910 Reo Reo
  • 1912-1919 Reo The Fifth
  • 1920-1922 Willys Overland Light Four
  • 1914-1915 Willys Overland Model 65
  • 1913 Willys Overland Model 69
  • 1916-1917 Willys Overland Model 75
  • 1914 Willys Overland Model 79
  • 1916-1918 Willys Overland Model 83
  • 1917-1919 Willys Overland Model 83B
  • 1916 Willys Overland Model 83-B
  • 1917-1919 Willys Overland Model 90
  • 1918 Willys Overland Model 90B
  • 1925-1926 Willys Overland Model 91CE
  • 1923-1924 Willys Overland Series 91CE

Features & benefits

  • COPPER CORE PRECISION -- Copper core center electrode allows accurate control of heat range, delivering longer life and dependable performance
  • CORROSION RESISTANCE -- Coated shell provides corrosion resistance in harsh environments
  • OE-REPLACEMENT FOR SMALL ENGINES -- Delivers reliable starts and consistent ignition performance in lawn, garden, and other small‑engine equipment
  • BUILT-IN NOISE SUPPRESSION -- Modern resistor technology protects sensitive electronics by minimizing electrical interference
  • EASY TO INSTALL -- Pre-gapped design simplifies installation
  • OE-QUALITY FIT -- Built to meet OE fit, form and function for dependable performance
  • DEPENDABLE STARTS -- Engineered for reliable ignition in all weather conditions

Specifications

Center Electrode Design Standard
Center Electrode Tip Material Nickel
Classification Champion Industrial Plugs
Electrical Terminal Type Removable Nut
Grade Type Standard Replacement
Ground Electrode Core Material Nickel
Ground Electrode Quantity 1
Ground Electrode Tip Design J Gap
Ground Electrode Tip Material Nickel
Hex Size 0.938
Hex Type Hex
Part Description Spark Plug
Plug Type 25
Pre-Gap Size 0.03
Reach 1
Resistor Type No
Seat Type Tapered
Skirt Yes
Thread Diameter 21.000

Videos and guides

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)).

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