Availability
Water Necks and Thermostat Housings
Showing In Stock Items. Show All 36 Items.
Water Neck and Thermostat Housing, Billet Aluminum, Natural, Straight Up, Chevy, LS, Each
Part Number: ICB-551836-LS3ST
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
BUILD IT WITH SUMMIT!
Thermostat Housing, Remote, Aluminum, Natural, Gasket Sealing Style, 1.250 in. Inlet/Outlet Size, Each
Part Number: SUM-3701250
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Thermostat Housing, Billet Aluminum, Straight Up, Universal, Each
Part Number: MEZ-WN0071
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Water Neck, Aluminum, Clear Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Chevy, Small/Big Block, Each
Part Number: HSE-4910-350-205
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered 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
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Water Neck, Aluminum, Blue Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Ford, 426/460, Each
Part Number: HSE-4910-460-201
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Thermostat Housing, Aluminum, Red Anodized, Swivel, 90 Degree, 1 1/4 in. Outlet, Chevy, Each
Part Number: PGP-PRP-6270
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, With Filler Neck for Radiator Cap, Chevy, Small/Big Block, Each
Part Number: HSE-4910-383-203
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Water Neck, Aluminum, Black Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Ford, Small Block, Each
Part Number: HSE-4910-302-202
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Water Neck, Aluminum, Clear Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Ford, Small Block, Each
Part Number: HSE-4910-302-205
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
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: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Water Neck, Aluminum, Black Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each
Part Number: HSE-4910-347-202
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Water Neck, Aluminum, Black Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, With Filler Neck for Radiator Cap, Chevy, Small/Big Block, Each
Part Number: HSE-4910-383-202
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Water Neck, Aluminum, Black Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Dodge, Magnum Engines, Each
Part Number: HSE-4910-440-202
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Water Neck, Aluminum, Clear Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Ford, 426/460, Each
Part Number: HSE-4910-460-205
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Water Neck, Aluminum, Clear Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Pontiac, Small/Big Block, Each
Part Number: HSE-4910-455-205
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Water Neck, Aluminum, Clear Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each
Part Number: HSE-4910-347-205
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Water Neck, Aluminum, Clear Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, With Filler Neck for Radiator Cap, Chevy, Small/Big Block, Each
Part Number: HSE-4910-383-205
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Water Neck, Aluminum, Clear Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Dodge, Magnum Engines, Each
Part Number: HSE-4910-440-205
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Thermostat Housing, Aluminum, Blue Anodized, Swivel, 90 Degree, 1 1/4 in. Outlet, Chevy, Each
Part Number: PGP-PRP-6420
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Thermostat Housing, Aluminum, Clear Anodized, Swivel, 90 Degree, 1 1/4 in. Outlet, Chevy, Each
Part Number: PGP-PRP-6120
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Water Neck, Aluminum, Red Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each
Part Number: HSE-4910-347-203
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Water Neck, Aluminum, Blue Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Chevy, Small/Big Block, Each
Part Number: HSE-4910-350-201
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Water Neck, Aluminum, Blue Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, With Filler Neck for Radiator Cap, Chevy, Small/Big Block, Each
Part Number: HSE-4910-383-201
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Pontiac, Small/Big Block, Each
Part Number: HSE-4910-455-203
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
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