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Champion 555 Spark Plug
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Champion 555 Spark Plug

CHAMPION
ELE1997
In stock
$8.75 $7.99
Description The Champion 555 Spark Plug is designed to deliver reliable ignition performance in a variety...
$7.99
Champion 555 Spark Plug
Description

Description

The Champion 555 Spark Plug is designed to deliver reliable ignition performance in a variety of automotive, agricultural, industrial, and stationary engine applications. Built with Champion engineering from Federal-Mogul, this spark plug is manufactured to perform consistently in high-compression engines and demanding operating environments.

Constructed with durable nickel electrode materials and precision manufacturing, the Champion 555 provides dependable spark delivery and long service life. Its flat seat configuration, removable terminal nut, and factory pre-gap allow for straightforward installation across many legacy engines used in vehicles, generators, compressors, and equipment.

Designed to withstand high temperatures and heavy load conditions, the Champion 555 helps maintain stable combustion and reliable engine starting in equipment where durability and consistent ignition performance are essential.

Features

  • Designed for high-compression and aggressive operating environments

  • Manufactured for long-lasting durability

  • Backed by global engineering from Federal-Mogul

  • Standard replacement spark plug for automotive, generator, and industrial engines

  • Nickel center electrode for dependable ignition performance

  • Nickel copper alloy ground electrode for durability

  • Pre-gapped at 0.025 in (0.65 mm) for installation convenience

  • Flat seat design for proper engine fitment

  • Non-resistor construction for traditional ignition systems

  • Removable terminal nut for flexible ignition wire connections

Specifications

  • Part Description: Spark Plug

  • Center Electrode Tip Material: Nickel

  • Center Electrode Design: Standard

  • Center Electrode Diameter: 0.125 in

  • Ground Electrode Quantity: 1

  • Ground Electrode Tip Material: Nickel

  • Ground Electrode Core Material: Nickel

  • Ground Electrode Material: Nickel Copper Alloy

  • Pre-Gap Size: 0.025 in / 0.65 mm

  • Hex Size: 0.875 in / 22.230 mm

  • Manufacturer Heat Range: 16

  • Seat Type: Flat

  • Reach: 0.5 in

  • Thread Diameter: 0.709 in / 18.000 mm

  • Resistor Type: No

  • Electrical Terminal Type: Removable Nut

  • Hex Type: Hex

  • Installed Height: 2.25 in

  • Taper Diameter: 0.4 in

  • Classification: Champion Agricultural Plugs

  • Grade Type: Standard Replacement

  • Subject to Prop 65: No

Fitment

Compatible with a variety of automotive, generator, and industrial engine applications.

Automotive Applications

  • Checker A2 (1947–1950) – 3.7L L6 226 cid

  • Checker A3 (1947–1950) – 3.7L L6 226 cid

  • Checker A4 (1950–1952) – 3.7L L6 226 cid

  • Checker A5 (1950–1952) – 3.7L L6 226 cid

  • Checker A6 (1953–1954) – 3.7L L6 226 cid

  • Checker A7 (1953–1954) – 3.7L L6 226 cid

  • Checker A8 (1955–1958) – 3.7L L6 226 cid

  • Checker A8B (1955–1958) – 3.7L L6 226 cid

  • Checker A9 (1958–1963) – 3.7L L6 226 cid

  • Checker A9L (1958–1963) – 3.7L L6 226 cid

  • Checker Aerobus (1959–1961) – 3.7L L6 226 cid

  • Checker Marathon (1961–1964) – 3.7L L6 226 cid

  • Checker Superba (1960–1963) – 3.7L L6 226 cid

  • Checker Taxicab (1952–1964) – 3.7L L6 226 cid

  • Ford Model 68 (1936)

Industrial, Generator, and Equipment Applications

  • Kohler generators: 1KW, 5KW, 10KW, 15KW, 35KW, 50KW, 100KW, 800W models

  • Kohler 75R81 engines

  • Schramm compressors: 20, 35, 40 Pneumapower, 250 Unistage

  • Climax R-165 engines

  • Shaw Du-All R7, R9, R12T, HY8

  • New Holland Haybine equipment

  • Joy industrial equipment

  • Lincoln equipment

  • Curtis industrial equipment

(Always verify engine specifications and manufacturer recommendations to confirm correct spark plug fitment before installation.)

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Refunds are issued to the original payment method once the returned item has been received and inspected.
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In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

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