1974 Thermostats, Housings & Fillers

Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Clear, Polished, 1.500 in. Outlet Size, Chrysler, Dodge, Plymouth, Big Block, Each

Part Number: MCH-BTH-412

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Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Ford, 289/302/351 Small Block Windsor, Each

Part Number: MCH-BTH-303-05

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Water Neck, Billet Aluminum, Black Anodized, 15 Degree, Ford, 221-302/351W, Each

Part Number: MEZ-WN0023S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Water Neck, Thermostat Housing, Steel, Black, Gasket Style, Each

Part Number: RNB-902-3011

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Water Necks and Thermostat Housings, Stock Style, Steel, Natural, Heater Bypass Provision, Ford, Each

Part Number: RNB-902-1042

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Water Neck, Billet Aluminum, Black Anodized, Spacer, 2 5/16 in.Tall, Chevy, Big/Small Block, Each

Part Number: MOR-63421

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Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Chrysler, Dodge, Plymouth, Big Block, Each

Part Number: MCH-BTH-413-05

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Water Neck, Aluminum, Polished, 45 Degree, Chevy, Big/Small Block, Each

Part Number: TRD-6003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Water Neck, Replacement, Chevy, GMC, Each

Part Number: FSS-84908

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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

Part Number: HSE-4910-455-202

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Water Neck, Aluminum, Natural, 90 Degree, Chevy, Big/Small Block, Each

Part Number: MOR-63423

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

Thermostat Housing - Chrysler Straight - 1-1/2" Hose - Clear

Part Number: CVS-TSH8SCL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Water Neck, Billet Aluminum, 90 Degree, Swivel, -20 AN, Chevy, Each

Part Number: PFF-10-2120

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Estimated Ship Date: Tomorrow if ordered today

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Water Neck, Cast Aluminum, Copper Plated, O-Ring, 45-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371100CPR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Water Neck, Aluminum, Black Powdercoated, 45 Degree, Chevy, Big/Small Block, Each

Part Number: WND-6252

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Water Neck, Billet Aluminum, Polished, 90 Degree, Pontiac, Each

Part Number: CTR-80-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, -20 AN Outlet Size, Chevrolet, Small/Big Block, Each

Part Number: MCH-BTH-206-05

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Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: HSE-4910-383-245

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Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet Size, Pontiac, Pontiac V8, Each

Part Number: MCH-BTH-102-08

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Water Neck, Cast Aluminum, Copper Plated, O-Ring, 90-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371101CPR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Water Neck, Thermostat Housing, Ford, Small Block 289, 302, 351W, Billet, 75 Degree, Two Piece, O-Ring, Each, Black

Part Number: MCH-BTH-304-08

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Water Neck, Stock Style, Ford, Mercury, Each

Part Number: FSS-84838

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Water Neck, Thermostat Housing, Ford, FE Engine 390-428, Billet, 75 Degree, Two Piece, O-Ring, Each, Clear Coat

Part Number: MCH-BTH-324

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Estimated Ship Date: Nov 14, 2025 if ordered today

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Water Neck Spacer, Billet Aluminum, Black Anodized, Chevy, 1.000 in. Thick, Two 3/8 in. NPT Female Holes, Each

Part Number: KRS-KRC15375000

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Today

Water Neck, Aluminum, Chrome Plated, O-Ring, 45 Degree, Chevy, Small Block, Each

Part Number: PRO-66209

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Estimated Ship Date: Today