2000 Water Necks and Thermostat Housings - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Philadelphia Racing Products Thermostat Housings PRP-6271

Philadelphia Racing Products Thermostat Housings PRP-6271

Thermostat Housing, Aluminum, Red Anodized, Swivel, 90 Degree, 1 1/2 in. Outlet, Chevy, Each

Part Number: PGP-PRP-6271

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Philadelphia Racing Products Thermostat Housings PRP-6421

Thermostat Housing, Aluminum, Blue Anodized, Swivel, 90 Degree, 1 1/2 in. Outlet, Chevy, Each

Part Number: PGP-PRP-6421

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

BluePrint Engines Water Necks and Thermostat Housings BPP8938S

Water Necks and Thermostat Housings, Aluminum, Polished, 1.50 in. Outlet, Straight, Each

Part Number: MLL-BPP8938S

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Moroso Billet Aluminum Filler Necks 63468

Water Neck, Billet Aluminum, Black, Radiator Cap Filler, Chevy, Big/Small Block, Each

Part Number: MOR-63468

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Moroso Manifold Filler Necks 63465

5 out of 5 stars ( 5 )

Estimated Ship Date: Today

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March Performance Thermostat Housings BTH-304-08

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

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

March Performance Thermostat Housings BTH-403-08

Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet Size, Dodge, Jeep, 5.2L, 5.9L, Each

Part Number: MCH-BTH-403-08

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

March Performance Thermostat Housings BTH-408-05

Water Neck, Thermostat Housing, Chrysler, Small Block 318-360, 1964-1978, Billet, Two Piece, 75 Degree, O-Ring, Each, Polished

Part Number: MCH-BTH-408-05

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

March Performance Thermostat Housings BTH-406-05

ater Neck, Thermostat Housing, Chrysler, Small Block 318-360, 1964-1978, Billet, Two Piece, 90-Degree, O-Ring, Polished, Each

Part Number: MCH-BTH-406-05

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Moroso Water Outlet Necks 63476

Water Neck, Straight Up, Billet Aluminum, Clear Anodized, Chevy, Chrysler, Dodge, Plymouth, Each

Part Number: MOR-63476

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-350-20-3

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

Part Number: HSE-4910-350-203

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

March Performance Thermostat Housings BTH-216-05

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

Part Number: MCH-BTH-216-05

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

PRW Water Necks 5234613

Water Neck Outlet, Billet Aluminum, Polished, Straight, LS1, LS2, LS7, Each

Part Number: PQX-5234613

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

CVR Thermostat Housings TSH6ABK

Water Neck, Billet Aluminum, Black Anodized, O-Ring, 90 Degree, 16 AN, Chevy, Big/Small Block/V6, Each

Part Number: CVS-TSH6ABK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Billet Aluminum Water Necks SUM-371111-CL

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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CVR Intake Manifold Water Filler Necks TSH3CL

Water Neck, Radiator Cap Filler Neck Style, Billet Aluminum, Clear Anodized, Chevy, Each

Part Number: CVS-TSH3CL

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits for 2000-2002 LS, S-TYPE - 86045

Engine Coolant Water Outlet Housing Kit, Outlet and Thermostat Housing Kit with Thermostat

Part Number: FSS-86045

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

CVR Thermostat Housings TSH6ACL

Water Neck, Swivel, Billet Aluminum, Clear Anodized, O-ring, 90 degree, -16 AN, Chevy, GMC, Chrysler, Dodge

Part Number: CVS-TSH6ACL

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Philadelphia Racing Products Thermostat Housings PRP-6122

Thermostat Housing, Aluminum, Clear Anodized, Swivel, 90 Degree, 1 3/4 in. Outlet, Chevy, Each

Part Number: PGP-PRP-6122

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Philadelphia Racing Products Thermostat Housings PRP-6121

Thermostat Housing, Aluminum, Clear Anodized, Swivel, 90 Degree, 1 1/2 in. Outlet, Chevy, Each

Part Number: PGP-PRP-6121

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Canton Racing Universal Water Outlet Fittings 80-100

Water Neck, Billet Aluminum, Natural, -16 AN Male, Straight Up, Chevy, Big/Small Block, Each

Part Number: CTR-80-100

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

PRW Water Necks 5234681

Water Neck, Chevy LS, Cast Aluminum, As Cast Finish, 45 Degree, 5.7L, 6.0L, 6.2L, Each

Part Number: PQX-5234681

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

CVR Thermostat Housings TSH5SABK

Thermostat Housing - Chevy LS Straight - 16AN - Black

Part Number: CVS-TSH5SABK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Crown Automotive Thermostat Housings 53020115

Thermostat Housing, Steel, Black, Dodge, Each

Part Number: CWA-53020115

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

March Performance Thermostat Housings BTH-418-08

Water Necks and Thermostat Housings, Straight, Swivel, Satin Black Anodized, -20 AN Outlet, Chrysler, Dodge, Jeep, Plymouth, Small Block, Each

Part Number: MCH-BTH-418-08

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

March Performance Thermostat Housings BTH-201

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Clear, Polished, 1.500 in. Outlet Size, Chevrolet, Small/Big Block, Each

Part Number: MCH-BTH-201

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Summit Racing™ Aluminum Water Necks SUM-371102CPR

Water Neck, Cast Aluminum, Copper Plated, O-Ring, 15-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371102CPR

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today