Water Necks and Thermostat Housings - O-ring Sealing Style - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Aluminum Water Necks SUM-371101

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

Part Number: SUM-371101

4.58 out of 5 stars ( 52 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Summit Racing™ Aluminum Water Necks SUM-371100

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

Part Number: SUM-371100

4.51 out of 5 stars ( 96 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Billet Specialties Thermostat Housings BLK90320

Water Neck, Billet Aluminum, Black Anodized, 75 Degree, Chevy, Big/Small Block, Each

Part Number: BSP-BLK90320

4.76 out of 5 stars ( 33 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Billet Specialties Thermostat Housings 90320

Billet Specialties Thermostat Housings 90320

Water Neck, Billet Aluminum, Polished, 15 Degree, Chevy, Big Block, Small Block, Each

Part Number: BSP-90320

4.94 out of 5 stars ( 34 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Summit Racing™ Aluminum Water Necks SUM-370998

Water Neck, Thermostat Housing, Cast Aluminum, Polished, 60 Degree, Swivel, Chevrolet, LS, Each

Part Number: SUM-370998

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Edelbrock Water Necks 4817

Water Neck, Aluminum, Polished, O-Ring, 45 degree, Swivel, Chevrolet, Each

Part Number: EDL-4817

4.35 out of 5 stars ( 48 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Mr. Gasket Water Necks 2670BK

Water Neck, Aluminum, Black Anodized, Swivel, 60 Degree, Chevrolet, LS, Each

Part Number: MRG-2670BK

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Summit Racing™ Aluminum Water Necks SUM-371100B

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

Part Number: SUM-371100B

4.06 out of 5 stars ( 18 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Scott Drake Swivel Water Necks B-8592

Water Neck, Swivel, 45 degree, O-ring Sealing Style, Billet Aluminum, Polished, Ford, Small Block Windsor, Each

Part Number: SDK-B-8592

3.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Summit Racing™ Chrome Water Necks SUM-G3801-3

Water Neck, O-Ring, Steel, Chrome, 15 Degree, Chevy, Big/Small Block, Each

Part Number: SUM-G3801-3

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Moroso Manifold Filler Necks 63424

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

Part Number: MOR-63424

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Mr. Gasket Chrome Plated O-Ring Water Necks 2661

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

Part Number: MRG-2661

4.49 out of 5 stars ( 35 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Billet Specialties Thermostat Housings BLK90220

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

Part Number: BSP-BLK90220

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Summit Racing™ Aluminum Water Necks SUM-371101-15

Water Neck, Cast Aluminum, Polished, O-Ring, 75 Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371101-15

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Billet Specialties Thermostat Housings 90820

Water Neck, Billet Aluminum, Polished, Straight Up, Chrysler, Dodge, Plymouth, Big Block, Small Block, Each

Part Number: BSP-90820

4.63 out of 5 stars ( 62 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Billet Specialties Thermostat Housings 90620

Water Neck, Billet Aluminum, Polished, 90 Degree, Ford, 260-302/351W, Each

Part Number: BSP-90620

3.65 out of 5 stars ( 23 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Summit Racing™ Aluminum Water Necks SUM-371101B

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

Part Number: SUM-371101B

3.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

CSR Intake Manifold Water Filler Necks CSR 914C

Water Neck, Billet Aluminum, Clear Anodized, Swivel, 90 Degree, Chevy, Big/Small Block, Each

Part Number: CSI-914C

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Chevrolet Performance Thermostat Housings 12342024

Water Neck, 90 Degree, Cast Aluminum, Chrome, Chevy, Big/Small Block V8, Each

Part Number: NAL-12342024

4.74 out of 5 stars ( 27 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

ACDelco GM Genuine Parts Water Necks and Thermostat Housings 12674634

Water Necks and Thermostat Housings, Stock Style, Plastic, Black, O-ring, Cadillac, Chevy, 6.2L Gen V, Each

Part Number: ADO-15-11113

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Spectre Performance Water Necks 4933

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

Part Number: SPE-4933

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

CSR Thermostat Housings CSR 912BLK

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

Part Number: CSI-912BLK

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

CSR Intake Manifold Water Filler Necks CSR 913AN16BLK

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

Part Number: CSI-913AN16BLK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Allstar Performance Chevy Aluminum Water Necks ALL30173

Water Neck, Aluminum, Polished, O-Ring, 15 Degree, Chevy, Big/Small Block/V6, Each

Part Number: AAF-ALL30173

4.74 out of 5 stars ( 39 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Billet Specialties Thermostat Housings BLK90620

THRMST HSG SYSTEM

Part Number: BSP-BLK90620

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025