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Sierra Marine Fittings and Adapters

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Sierra Marine offers a wide range of watercraft replacement parts—including fittings and adapters. They're available in different materials, sizes, and configurations to properly complete a plumbing project or repair. Order the fittings recommended for your application.

Results 1 - 25 of 26

Fittings. Brass, Natural, Straight, 1/8 in. Male NPT, 3/8 in Hose Barb, Each

Part Number: RRA-18-8073

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Estimated Ship Date: Tomorrow

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Fittings, Brass, Natural, Straight, 3/8 in, Male NPT, 5/16 in Hose Barb, Each

Part Number: RRA-18-8109

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Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Fittings, Adapter, Plastic, Black, Straight, 3/4 in. Male NPT, 3/4 in Tube, Each

Part Number: RRA-N800-0340

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Sanitary Adapter, Plastic, Black, Straight, 1-1/4 in. Male NPT, 1-1/4 in. Tube, Each

Part Number: RRA-N800-1140

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Brass, Natural, Straight Adapter, 1/4 in. Male NPT, 5/16 in. Hose Barb, Each

Part Number: RRA-18-8055

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today

Fittings, Brass, Adapter, Straight, 1/2 in, Female NPT, 1/2 in, Hose Barb, Each

Part Number: RRA-18-502-1234

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Brass, Adapter, Straight, 1/4 in, Male NPT, 3/8 in, Hose Barb, Each

Part Number: RRA-18-500-3814

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Fuel Adapter, Plastic, White, Straight, 1/8 in. Hose Barb, 1/8 in Hose Barb, Each

Part Number: RRA-7-041066

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Brass, Adapter, Straight,1/8 in, Male NPT, 1/4 in, Hose Barb, Each

Part Number: RRA-18-500-1418

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today

Fittings, Brass, Natural, Straight, 1/4 in, Female NPT, 5/16 in Hose Barb, Each

Part Number: RRA-18-8094

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Brass, Adapter, Straight, r 3/8 in, Male NPT, 3/8 in, Hose Barb, Each

Part Number: RRA-18-500-3838

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Billet Aluminum, Silver, Straight, Rubber O-Ring, 8mm x1.25 Male threads, 8mm x1.25 Female threads, Each

Part Number: RRA-18-9794

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today

Fittings, Sanitary Adapter, Plastic, Black, 90 Degree, 1-1/2 Female NPT, 1-1/2 in. Tube., Each

Part Number: RRA-N803-1120

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today

Fittings, Brass, Coupler, 90 degree, 3/8 in, Male NPT, 1/4 in, Male NPT, Each

Part Number: RRA-18-601-3814

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Brass, Adapter, Straight, 1/4 in, Male NPT, 5/16 in, Hose Barb, Each

Part Number: RRA-18-500-5614

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Brass, Adapter, Straight, 1/8 in, Male NPT, 5/16 in, Hose Barb, Each

Part Number: RRA-18-500-5618

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Brass, Natural, Straight Adapter, 1/8 in. Male NPT, 5/16 in. Hose Barb, Each

Part Number: RRA-18-8054

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Plastic, Black, Adapter. Straight, 1-1/2 in. Female NPT, 1-1/2 Tube. Sanitation Use, Each

Part Number: RRA-18-801-1120

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Sanitary Adapter, Plastic, Black, Straight Tee, , 1-1/2 Smooth Hose O-Ring,, 1-1/2 Tube, Each

Part Number: RRA-N806-1120

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Sanitary Adapter, Plastic, Black, 90 Degree, 1-1/2 Male NPT, 1-1/2 in, Tube,, Each

Part Number: RRA-N802-1120

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today

Fittings. Brass, Natural, Straight, 1/4 in. Male NPT, 3/8 in Hose Barb, Each

Part Number: RRA-18-8074

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today

Fittings, Sanitary Adapter, Plastic, Black, Straight, 1-1/2 Female NPT, 1-1/2 Hose Barb, Each

Part Number: RRA-N801-1120

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today

Fittings, Brass, Adapter, Straight, Nickel Plated, 1/4 in. Male NPT, 1/4 In Quick Connect, Each

Part Number: RRA-18-80400

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Fittings, Brass, Natural, Straight, 3/8 in, Male NPT, 3/8 in Hose Barb, Each

Part Number: RRA-18-8108

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today

Fittings, Brass, Natural, Straight, 3/8 in. Male NPT, 5/8 in. Hose Barb, Each

Part Number: RRA-18-8041

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

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