Thermostats, Housings & Fillers

Fitting, Adapter, AN to Male Push-on, Straight, Aluminum, Red Anodized, -20 AN, Each

Part Number: HSE-4911-20-3

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Estimated Ship Date: Nov 24, 2025 if ordered today

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INLET

Part Number: NAL-12571261

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Ford, Small Block, Each

Part Number: HSE-4910-302-203

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Water Neck, Aluminum, Blue Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Ford, Small Block, Each

Part Number: HSE-4910-302-241

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Ford, Small Block, Each

Part Number: HSE-4910-302-243

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Water Neck, Aluminum, Blue Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-201

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Water Neck, Aluminum, Red Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-203

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Water Neck Replacement Components, 4910 Series Thermostat Housing Hardware Rebuild Kits, Fits 4910-347 Water Neck, Kit

Part Number: HSE-4910-347-B

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Water Neck, Aluminum, Blue Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Chevy, Small/Big Block, Each

Part Number: HSE-4910-350-201

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Fitting, Adapter, AN to Male Push-on, Straight, Aluminum, Blue Anodized, -20 AN, Each

Part Number: HSE-4911-20-1

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Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Dodge, Magnum Engines, Each

Part Number: HSE-4910-440-243

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Water Neck Replacement Components, 4910 Series Thermostat Housing Hardware Rebuild Kits, Fits 4910-440 Water Neck, Kit

Part Number: HSE-4910-440-B

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Water Neck, Aluminum, Blue Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Pontiac, Small/Big Block, Each

Part Number: HSE-4910-455-201

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Water Neck, Aluminum, Blue Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Pontiac, Small/Big Block, Each

Part Number: HSE-4910-455-241

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Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Pontiac, Small/Big Block, Each

Part Number: HSE-4910-455-243

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Water Neck, Aluminum, Black Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Ford, 426/460, Each

Part Number: HSE-4910-460-202

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Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Ford, 426/460, Each

Part Number: HSE-4910-460-203

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Fitting, Adapter, AN to Male Push-on, Straight, Aluminum, Blue Anodized, -16 AN, Each

Part Number: HSE-4911-16-1

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Fitting, Adapter, AN to Male Push-on, Straight, Aluminum, Red Anodized, -16 AN, Each

Part Number: HSE-4911-16-3

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Water Neck, Aluminum, Blue Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, With Filler Neck for Radiator Cap, Chevy, Small/Big Block, Each

Part Number: HSE-4910-383-201

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Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, With Filler Neck for Radiator Cap, Chevy, Small/Big Block, Each

Part Number: HSE-4910-383-243

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Water Neck Replacement Components, 4910 Series Thermostat Housing Hardware Rebuild Kits, Fits 4910-383 Water Neck, Kit

Part Number: HSE-4910-383-B

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Water Neck, Aluminum, Blue Anodized, O-Ring, Straight, 1.250 in. Outlet, Dodge, Magnum Engines, Each

Part Number: HSE-4910-426-1

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Water Neck, Aluminum, Red Anodized, O-Ring, Straight, 1.250 in. Outlet, Dodge, Magnum Engines, Each

Part Number: HSE-4910-426-3

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Water Neck, Aluminum, Black Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Dodge, Magnum Engines, Each

Part Number: HSE-4910-440-202

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