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Metric Plumbing Adapters

We have expanded our selection of metric adapter fittings and metric banjo bolts! More thread sizes, thread pitches, and metric to AN size combinations mean you're sure to find what you need.

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Plumbing Adapter Fittings

Recent Top Selling Products for this category

Male 26 x 1.5mm Metric Concave Seat to 12AN Male, Aluminum
Male 26 x 1.5mm Metric Concave Seat to 12AN Male, Aluminum

This aluminum adapter has 26x1.5mm male metric threads with a concave seat on one end and a 12AN male fitting (1 1/16-12, 37 degree flare) on the other end.

26mm Female Porsche to Male AN Adapter Fitting
26mm Female Porsche to Male AN Adapter Fitting

This 26mm Female Porsche to Male AN Adapter Fitting makes it easy to connect an auxiliary oil cooler to a Porsche 911 engine and convert the Porsche fittings to male 12AN.

30mm Female Porsche to Male AN Adapter Fitting
30mm Female Porsche to Male AN Adapter Fitting

It is easy to connect an auxiliary oil cooler to a Porsche 911 engine with these female 30mm aluminum adapters which convert the Porsche fittings to male 12AN or 16AN.