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March Performance Thermostat Housings

3.22 out of 5 stars 9 Customer Reviews

March Performance thermostat housings are available in several styles and finishes covering a wide range of vehicle engine applications. Each housing is CNC-machined from 6061 T-6 aluminum and available polished, black anodized, or clearcoated. Most styles include mounting hardware and an O-ring for a clean seal. The 1.5 in. radiator hose neck swivels inside of base for perfect routing. March Performance thermostat housings are compatible with OEM and numerous aftermarket thermostats. Choose the one designed for your application.

Results 1 - 25 of 148

Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Chevrolet, Small Block LS, Each

Part Number: MCH-BTH-212-05

3.67 out of 5 stars ( 3 )

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Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet Size, Chevrolet, Small Block LS, Each

Part Number: MCH-BTH-212-08

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Water Neck, Thermostat Housing, Ford, Big Block 429-460, 351 Cleveland,351M & 400M, Billet, 75 Degree, Two Piece, O-Ring, Each, Polished

Part Number: MCH-BTH-334-05

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

Part Number: MCH-BTH-333-05

2.5 out of 5 stars ( 2 )

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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

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

Part Number: MCH-BTH-211-05

1.0 out of 5 stars ( 1 )

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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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Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Dodge, Jeep, 5.2L, 5.9L, Each

Part Number: MCH-BTH-401-05

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Water Neck, Thermostat Housing, Ford, Big Block 429-460, 351 Cleveland,351M & 400M, Billet, 75 Degree, Two Piece, O-Ring, Each, Black

Part Number: MCH-BTH-334-08

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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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Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Clear, Polished, 1.500 in. Outlet Size, Chevrolet, Small Block LS, Each

Part Number: MCH-BTH-212

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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

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Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet, Chrysler, Dodge, Plymouth, Big Block, Each

Part Number: MCH-BTH-411-08

4.0 out of 5 stars ( 1 )

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Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Clear, Polished, 1.500 in. Outlet Size, Ford, 390/406/427/428 Big Block FE, Each

Part Number: MCH-BTH-322

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Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet Size, Ford, Each

Part Number: MCH-BTH-332-08

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Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet Size, Dodge, Jeep, 5.2L, 5.9L, Each

Part Number: MCH-BTH-405-08

Not Yet Reviewed

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Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Ford, Each

Part Number: MCH-BTH-332-05

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Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Clear, Polished, 1.500 in. Outlet Size, Chrysler, Dodge, Plymouth, Big Block, Each

Part Number: MCH-BTH-412

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

Part Number: MCH-BTH-301-05

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Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet, Ford, 390/406/427/428 Big Block FE, Each

Part Number: MCH-BTH-322-08

Not Yet Reviewed

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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

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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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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

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

Part Number: MCH-BTH-103

Not Yet Reviewed

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Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet Size, Chevrolet, Small/Big Block, Each

Part Number: MCH-BTH-201-08

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