Availability
Water Necks and Thermostat Housings, 75 Degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Ford, Each
Part Number: MCH-BTH-344-05
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Water Necks and Thermostat Housings, 75 Degree, Swivel, Aluminum, Black, 1.500 in. Outlet Size, Ford, Each
Part Number: MCH-BTH-344-08
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Dodge, Jeep, 5.2L, 5.9L, Each
Part Number: MCH-BTH-402-05
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Clear, Polished, 1.500 in. Outlet Size, Dodge, Jeep, 5.2L, 5.9L, Each
Part Number: MCH-BTH-403
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Water Neck, Thermostat Housing, Chevy, LS Engine, 75 Degree, Two Piece, Billet, Polished
Part Number: MCH-BTH-214-05
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Water Neck, Thermostat Housing, Ford, FE Engine 390-428, Billet, 75 Degree, Two Piece, O-Ring, Each, Black
Part Number: MCH-BTH-324-08
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Water Necks and Thermostat Housings, 45 Degree, Swivel, Aluminum, Clear, Polished, 1.500 in. Outlet Size, Ford, Each
Part Number: MCH-BTH-343
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Clear, Polished, 1.500 in. Outlet Size, Dodge, Jeep, 5.2L, 5.9L, Each
Part Number: MCH-BTH-407
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Clear, Polished, 1.500 in. Outlet Size, Chrysler, Dodge, Plymouth, Big Block, Each
Part Number: MCH-BTH-413
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Water Neck, Thermostat Housing, Chrysler, Big Block 383-440, Billet, 75 Degree, Two Piece, O-Ring, Each, Polished
Part Number: MCH-BTH-414-05
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Water Neck, Thermostat Housing, Chrysler, Big Block 383-440, Billet, 75 Degree, Two Piece, O-Ring, Each, Black
Part Number: MCH-BTH-414-08
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Water Neck, Aluminum, Black Anodized, 90 Degree, Chevy, Big/Small Block, Each
Part Number: MOR-63424
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Water Neck, Billet Aluminum, Black Anodized, Spacer, 2 5/16 in.Tall, Chevy, Big/Small Block, Each
Part Number: MOR-63421
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Water Neck and Thermostat Housing, Radiator Cap Filler Neck Style, Swivel, with O-Ring Seal and Hardware, Billet Aluminum, Black Anodized, Chevy, Each
Part Number: CSI-913AN16BLK
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Monday 12/8/2025
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Water Header Big Block Chevy
Part Number: DED-WH2
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Dec 29, 2025 if ordered today
Water Neck, Billet Aluminum, Clear Anodized, Swivel, 90 Degree, Chevy Big/Small Block, Each
Part Number: CSI-913AN12C
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Water Neck, Thermostat Housing, Chrysler, Small Block 318-360, 1964-1978, Billet, Two Piece, 75 Degree, O-Ring, Each, Black
Part Number: MCH-BTH-408-08
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Water Neck, Billet Aluminum, Clear Anodized, 90 Degree, Universal, Each
Part Number: CSI-99164
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Water Neck, Billet Aluminum, Clear Anodized, Swivel, 90 Degree, Chevy, Big Block, Small Block, Each
Part Number: CSI-913AN20C
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Dodge, Jeep, 5.2L, 5.9L, Each
Part Number: MCH-BTH-403-05
Not Yet Reviewed
Estimated Ship Date: Dec 19, 2025 if ordered today
Estimated Ship Date: Dec 19, 2025 if ordered today
Water Neck, Thermostat Housing, Chrysler, Small Block 318-360, 1979-2003, Billet, Two Piece, 75 Degree, O-Ring, Each, Black
Part Number: MCH-BTH-404-08
Not Yet Reviewed
Estimated Ship Date: Jan 8, 2026 if ordered today
Estimated Ship Date: Jan 8, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Water Neck, 90 degree, Swivel, O-ring Sealing Style, Billet Aluminum, Black Anodized, Chevy, Each
Part Number: CSI-913AN20BLK
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Water Neck, Billet Aluminum, Clear Anodized, 90 Degree, Universal, Each
Part Number: CSI-99131
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Water Neck, Billet Aluminum, Clear Anodized, 90 Degree, Universal, Each
Part Number: CSI-99132
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Water Neck, Expansion Style, 90 degree, O-ring Sealing Style, Billet Aluminum, Clear Anodized, Chevy, Each
Part Number: CSI-99160
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.