1966 Thermostats, Housings & Fillers

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, -20 AN Outlet Size, Chrysler, Dodge, Plymouth, Big Block, Each

Part Number: MCH-BTH-416-05

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Thermostat Houising, 90 Degree, Swivel, -16 AN Outlet, Aluminum, Clear Anodized, Chevy, Each

Part Number: PGP-PRP-6124

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Thermostat Housing, Aluminum, Black Anodized, 90 Degree, -16 AN Outlet, Ford, Each

Part Number: PGP-PRP-6727

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Thermostat Housing, Aluminum, Clear Anodized, Swivel, 90 Degree, -12 AN Outlet, Chevy, Each

Part Number: PGP-PRP-6123

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Thermostat, Replacement, 180 Degree, Standard-Flow, Copper, Stainless Steel, Each

Part Number: BCK-143-0602

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Thermostat, Replacement, 195 Degree, Standard-Flow, Copper, Stainless Steel, Each

Part Number: BCK-143-0636

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Thermostat, Replacement, 180 Degree, Standard-Flow, Copper, Stainless Steel, Each

Part Number: BCK-143-0149

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Water Neck, Billet Aluminum, Black Anodized, 90 Degree, Chevy, Big/Small Block, Kit

Part Number: MOR-63431

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Water Pump Crossover, Stainless Steel, -12 AN Male, Polished, Each

Part Number: CHH-3300-012P

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Thermostat Housing, Aluminum, Red Anodized, Swivel, 90 Degree, -12 AN Outlet, Chevy, Each

Part Number: PGP-PRP-6273

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Thermostat, Copper, Stainless Steel, Standard Flow, 167 Degrees, Each

Part Number: BCK-143-0412

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Thermostat, Replacement, 180 Degree, Standard-Flow, Copper, Stainless Steel, Each

Part Number: BCK-143-0701

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Thermostat, Replacement, 192 Degree, Standard-Flow, Copper, Stainless Steel, Each

Part Number: BCK-143-0702

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Thermostat Housing, Aluminum, Blue Anodized, Swivel, 90 Degree, 1 1/4 in. Outlet, Chevy, Each

Part Number: PGP-PRP-6420

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Thermostat Housing, Aluminum, Red Anodized, Swivel, 90 Degree, 1 1/4 in. Outlet, Chevy, Each

Part Number: PGP-PRP-6270

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Estimated Ship Date: Dec 9, 2025 if ordered today

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O-Ring for Water Neck # 9440

Part Number: TRD-9441

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 28, 2026 if ordered today

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Allstar Performance billet aluminum water necks fit most Chevy V8, accept most standard thermostats and swivel

Part Number: AAF-ALL30370

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Allstar Performance billet aluminum water necks fit most Chevy V8, accept most standard thermostats and swivel

Part Number: AAF-ALL30371

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Estimated Ship Date: Dec 29, 2025 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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Estimated Ship Date: Dec 1, 2025 if ordered today

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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

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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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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Estimated Ship Date: Dec 1, 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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Estimated Ship Date: Dec 1, 2025 if ordered today

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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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Estimated Ship Date: Dec 1, 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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Estimated Ship Date: Dec 1, 2025 if ordered today

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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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Estimated Ship Date: Dec 1, 2025 if ordered today

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