Speedometer Gear Brown 39 Teeth

This is a reproduction speedometer driven gear, identified by both its tooth count and color. Replace your worn out, stripped or damaged original gear or simply use a different gear for speedometer correction when changing rear axle final drive ratios or changing tire sizes.

Note: The color of the speedometer gear may not be the same as your original due to additions or deletions of GM part numbers and or the consolidation of these numbers.

The brown 39-tooth speedometer gear is another specific component used in the speedometer system of certain vehicles. As with other speedometer gears, the tooth count and color-coding play a crucial role in translating the rotation of the transmission output shaft into an accurate speed reading on the speedometer.

Here are some points regarding the brown 39-tooth speedometer gear:

Tooth Count:

The "39-tooth" designation indicates the number of teeth on the gear. The tooth count is essential for accurately converting the rotational speed of the transmission output shaft into a speed reading on the speedometer.

Color Coding:

The color brown is part of a color-coding system used by manufacturers to distinguish between different tooth counts. Each color represents a specific range of tooth counts, facilitating easy identification for users selecting the appropriate gear for their vehicle.

Application:

Speedometer gears are designed to accommodate variations in axle ratios and tire sizes. Selecting the correct gear is crucial for maintaining accurate speedometer readings.

Compatibility:

When replacing a speedometer gear, it's important to ensure compatibility with the vehicle's transmission, axle ratio, and tire size. Using an incorrect gear can lead to inaccurate speedometer readings.

Installation:

Replacing a speedometer gear typically involves accessing the transmission tailshaft housing. This process may include removing the speedometer cable and, in some cases, draining transmission fluid.

Customization:

Automotive enthusiasts may opt to change the speedometer gear when modifying their vehicles, such as installing different tire sizes or changing the axle ratio. This customization helps maintain accurate speedometer readings despite alterations to the drivetrain.

Also Fits:

Firebird: 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977

Impala: 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996

Nova: 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977

Tri-Five Chevy: 1955, 1956, 1957

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