Thermostat Housing and Water Necks

Rein Automotive Coolant Hose Flange Kits for 2005-2009 A4, A4 QUATTRO - CHS0648

Thermostat Housings, Coolant Hose Flange Kit, Includes 3 Hoses, 1 Flange, 1 Gasket, 1 O-Ring, 1 Sensor, 1 Lock Pin, 1 Thermostat, Audi, 2.0L, Kit

Part Number: RIN-CHS0648

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Dorman Thermostat Housings 902-1033

Water Neck and Thermostat Housing, Stock, Cast Aluminum, Natural, Ford, Lincoln, Mercury, Each

Part Number: RNB-902-1033

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Four Seasons Water Necks 84809

Water Neck, AMC, Jeep, Each

Part Number: FSS-84809

3.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Billet Specialties Thermostat Housings BLK90135

Thermostat Housing, Straight, Aluminum, Black Anodized, Chevy, LS, Each

Part Number: BSP-BLK90135

Not Yet Reviewed

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

March Performance Thermostat Housings BTH-302

Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Clear, Polished, 1.500 in. Outlet Size, Ford, 289/302/351 Small Block Windsor, Each

Part Number: MCH-BTH-302

Not Yet Reviewed

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Earl's Performance LS Water Pump Adapters LS0005ERL

Water Neck, LS Water Pump Adapter, Straight Up, Billet Aluminum, Clear Anodized, Chevy, Small Block LS, Kit

Part Number: EAR-LS0005ERL

Not Yet Reviewed

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Billet Specialties Thermostat Housings 90134

Water Neck, Aluminum, O-ring, Polished, 0 Degree, Each

Part Number: BSP-90134

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Dorman Thermostats 902-2016

Water Neck and Thermostat Housing, Stock, Steel, Natural, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-902-2016

1.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

March Performance Thermostat Housings BTH-303-08

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

Part Number: MCH-BTH-303-08

Not Yet Reviewed

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-350-24-2

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

Part Number: HSE-4910-350-242

Not Yet Reviewed

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Dorman Thermostat Housings 902-2046

Water Neck and Thermostat Housing, Stock, Steel, Natural, Chevrolet, GMC, Each

Part Number: RNB-902-2046

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

AFCO Racing Aluminum Thermostat Housings 80312-15

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

Part Number: AFC-80312-15

4.59 out of 5 stars ( 34 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Summit Racing™ Chrome Water Necks SUM-375091

Water Neck, Steel, Chrome Plated, 90 Degree, Pontiac, V8, Each

Part Number: SUM-375091

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Proform Aluminum Water Necks 66211

Water Neck, Aluminum, Chrome Plated, 45 Degree, Ford, 289/302/351W, Each

Part Number: PRO-66211

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

March Performance Thermostat Housings BTH-302-05

Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Ford, 289/302/351 Small Block Windsor, Each

Part Number: MCH-BTH-302-05

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2025 if ordered today

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Estimated Ship Date: Jun 16, 2025 if ordered today

Mr. Gasket Water Necks 9142G

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

Part Number: MRG-9142G

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Billet Specialties Thermostat Housings 90730

Billet Specialties Thermostat Housings 90730

Water Neck, Billet Aluminum, Polished, 0 Degree, Ford, FE Engines, Each

Part Number: BSP-90730

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Dorman Thermostat Housings 902-1052

Water Neck and Thermostat Housing, Stock, Steel, Natural, Aluminum, Mercury, Each

Part Number: RNB-902-1052

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

March Performance Thermostat Housings BTH-213-08

Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet Size, Chevrolet, Small Block LS, Each

Part Number: MCH-BTH-213-08

Not Yet Reviewed

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Dorman Thermostat Housings 902-700

Water Neck and Thermostat Housing, Stock, Steel, Natural, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Each

Part Number: RNB-902-700

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Allstar Performance Chevy Aluminum Water Necks ALL30172

Water Neck, Aluminum, Polished, O-Ring, Straight Up, Chevy, Big/Small Block/V6, Each

Part Number: AAF-ALL30172

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-350-24-5

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

Part Number: HSE-4910-350-245

Not Yet Reviewed

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

March Performance Thermostat Housings BTH-302-08

Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet, Ford, 289/302/351 Small Block Windsor, Each

Part Number: MCH-BTH-302-08

Not Yet Reviewed

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Billet Specialties Thermostat Housings 90920

Water Neck, Billet Aluminum, Natural, Straight Up, -20 AN Male Threads, Chevy, LS, Each

Part Number: BSP-90920

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025

Summit Racing™ Billet Aluminum Water Necks SUM-371110-BL

Water Neck, Billet Aluminum, Blue, 90 Degree, Swivel, Chevy, Each

Part Number: SUM-371110-BL

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 6/2/2025

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Estimated Ship Date: Monday 6/2/2025