18mm Metric to AN Plumbing Adapters & Banjo Bolts
The Bosch "044" Fuel Pump has 18x1.5mm inlet threads. The male metric side of these fittings can be sealed with 18mm Aluminum Crush Washers, Part No. 3278-M18 (sold separately).
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Aluminum crush washers are typically used in the fuel system on aluminum banjo fittings and carburetor adapters. All sizes are sold in packs of 5 washers.
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