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Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-347-24-2

Water Neck, Aluminum, Black Anodized, O-Ring, Straight, 1.500 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-242

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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

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March Performance Thermostat Housings BTH-323-05

Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Ford, 390/406/427/428 Big Block FE, Each

Part Number: MCH-BTH-323-05

3.0 out of 5 stars ( 1 )

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March Performance Thermostat Housings BTH-413-05

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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Meziere Radiator Cap Receivers WN0012W

Meziere Radiator Cap Receivers WN0012W

Radiator Filler Necks, Radiator Cap Receiver, Weld-On, Aluminum, 1.20 in. Height, Each

Part Number: MEZ-WN0012W

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March Performance Thermostat Housings BTH-303-05

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

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Holley Thermostat Housing Assemblies 97-343

Water Neck Assembly, Swivel 45 Degree Angle, Aluminum, Black Anodized Finish, with Bolts, for 1 3/4 in. Hose, Chrysler, Dodge, Gen III Hemi, Each

Part Number: HLY-97-343

3.5 out of 5 stars ( 2 )

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Davis Unified Ignition Thermostat Housings 84859

Water Neck, Aluminum, 90 Degrees, 429/460 Ford, Lincoln, Mercury, Each

Part Number: DUI-84859

3.41 out of 5 stars ( 17 )

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Billet Specialties Thermostat Housings BLK90420

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

Part Number: BSP-BLK90420

4.67 out of 5 stars ( 6 )

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MotoRad Spec-R Integrated Thermostat Housings MRD108

Water Neck, Spec-R, Aluminum, Black, Chevy, Cadillac, GMC, Each

Part Number: SNN-MRD108

Not Yet Reviewed

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CVR Thermostat Housings TSH5CL

Water Neck, 90 degree, 1.50 in. Hose Barb, Billet Aluminum, Clear Anodized, Buick, Chevy, GMC, Pontiac, Small Block LS, Each

Part Number: CVS-TSH5CL

3.4 out of 5 stars ( 5 )

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March Performance Thermostat Housings BTH-103-05

Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Pontiac, Pontiac V8, Each

Part Number: MCH-BTH-103-05

Not Yet Reviewed

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March Performance Thermostat Housings BTH-104-05

Water Neck, Thermostat Housing, Pontiac 326-455, Billet, 75 Degree, Two Piece, O-Ring, Each, Polished

Part Number: MCH-BTH-104-05

Not Yet Reviewed

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March Performance Thermostat Housings BTH-213-05

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

Part Number: MCH-BTH-213-05

Not Yet Reviewed

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March Performance Thermostat Housings BTH-335-08

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Satin Black Anodized, -16 AN Outlet Size, Ford, Each

Part Number: MCH-BTH-335-08

Not Yet Reviewed

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Philadelphia Racing Products Thermostat Housings PRP-6728

Water Neck, Straight, Aluminum, Black, Anodizes, O-Ring, 2.875 in. Bolt Spacing, Dodge. Chrysler, Plymouth, LA, Each

Part Number: PGP-PRP-6728

Not Yet Reviewed

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Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-347-24-5

Water Neck, Aluminum, Clear Anodized, O-Ring, Straight, 1.500 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-245

Not Yet Reviewed

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March Performance Thermostat Housings BTH-206-08

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

Part Number: MCH-BTH-206-08

Not Yet Reviewed

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Bob Drake Water Outlets 1BA-8592-A

Water Neck, 45 degree, Gasket Sealing Style, Stainless Steel, Natural, Ford, Car, V8, Flathead, 8BA, Each

Part Number: BDR-1BA-8592-A

5.0 out of 5 stars ( 2 )

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March Performance Thermostat Housings BTH-103-08

Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet Size, Pontiac, Pontiac V8, Each

Part Number: MCH-BTH-103-08

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-350-24-1

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

Part Number: HSE-4910-350-241

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Weiand Aluminum Water Necks 6255

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Billet Specialties Thermostat Housings BLK90920

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

Part Number: BSP-BLK90920

3.5 out of 5 stars ( 2 )

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Dorman Thermostat Housings 902-2018

Water Neck, Thermostat Housing, Aluminum, Natural, Gasket Style, Each

Part Number: RNB-902-2018

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Dorman Thermostat Housings 902-1024

Water Neck and Thermostat Housing, Ford, Mercury, Each

Part Number: RNB-902-1024

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Billet Specialties Thermostat Housings BLK90119

Water Neck, Billet Aluminum, Black Anodized, Straight Up, -20 AN Male Threads, Chevrolet, Small/Big Block, Each

Part Number: BSP-BLK90119

5.0 out of 5 stars ( 1 )

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