Differential Mount Bar Insulator, 70-78 240Z-260Z-280Z
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The upper serrated washers that are required to install this bushing have unfortunately been discontinued by Nissan. If your upper washer has worn out, we strongly recommend using our urethane kit instead (see 23-4139 in Related Items below), both serrated washers are required to use the factory type of bushing. Factory bushings will not properly insulate the diff mount bar from the body of the car, leading to significant vibration and improper diff alignment. Most used replacements for these washers are already worn out and unusable.
This OEM bushing replaces the original rubber and metal sleeve in the differential mount bar. Sold individually, two required per car. Don't forget to replace the serrated washers with these bushings (see Related Items below).
Proper installation of the factory replacement bushings requires special tools. You will need a saw to cut out the original metal sleeve and a tool to roll the lower lip of the bushing under the mustache bar. Professional installation of these bushings is strongly recommended. If you prefer to replace these bushings yourself, we recommend using our Urethane Mustache Bar Bushing Kit (see 23-4139 in Related Items below) since it is much easier to install and requires no special tools. Please give us a call at (800)-633-6331 if you have any questions.
Datsun 240Z, 260Z, 280Z
1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978