CHEVROLET Thermostats, Housings & Fillers

Water Manifold, Gen. 3 and 4 LS, 7-port at sides, upper and front, -12 AN ORB plugs, M-12 x 1.5 AND 3/8 NPT temp sensor provisions, Black, Each.

Part Number: SUM-390LSBLK

5.0 out of 5 stars ( 3 )

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Water Neck, Billet Aluminum, Black Anodized, 75 Degree, Chevy, Big/Small Block, Each

Part Number: BSP-BLK90320

4.77 out of 5 stars ( 35 )

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

Part Number: BSP-90320

4.94 out of 5 stars ( 34 )

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Water Neck, Billet Aluminum, Polished, 45 Degree, Chevy, Big Block, Small Block, Each

Part Number: BSP-90420

4.94 out of 5 stars ( 18 )

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Water Neck, Billet Aluminum, Polished, 90 Degree, Chevy, Big Block, Small Block, Each

Part Number: BSP-90220

4.56 out of 5 stars ( 9 )

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Water Neck, Billet Aluminum, Black Anodized, 90 Degree, Chevy, Big/Small Block, Each

Part Number: BSP-BLK90220

5.0 out of 5 stars ( 3 )

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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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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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 Manifold, Coolant Manifold, Aluminum, Black, One -20 AN O-ring Inlet, Chevrolet, Big Block, Each

Part Number: MEZ-WAM10020S

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Thermostat Housing, 75 Degree, Aluminum, Black Anodized, Chevy, LS, Each

Part Number: BSP-BLK90335

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

Part Number: CVS-TSH5BK

5.0 out of 5 stars ( 1 )

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Thermostat Housing, O-Ring Style, Billet Aluminum, Natural, 160 Degree Thermostat, Chevrolet, Gen V LT, Each

Part Number: GRN-530160

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Water Pump Crossover, Billet Aluminum, -12 AN Female Inlets, -16 AN Male Outlet, Black Anodized, Adjustable, Each

Part Number: EAR-LS0035ERL

5.0 out of 5 stars ( 1 )

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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 Neck, Aluminum, Black Anodized, 90 Degree, Chevy, Big/Small Block, Each

Part Number: MOR-63424

5.0 out of 5 stars ( 1 )

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Water Neck, Billet Aluminum, Clear Anodized, 90 Degree, Universal, Each

Part Number: CSI-99163

4.0 out of 5 stars ( 1 )

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Water Neck, Billet Aluminum, Clear Anodized, Swivel, 90 Degree, Chevy, Big/Small Block, Each

Part Number: CSI-911AN20C

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Dec 31, 2025 if ordered today

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

Part Number: SNN-MRD108

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

Part Number: MCH-BTH-202-08

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Water Neck, 90 degree, Swivel, Aluminum, Polished, Gasket Sealing Style, Each

Part Number: VTA-706002

5.0 out of 5 stars ( 5 )

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Water Neck, Aluminum, Black/Natural, 90 Degree, Chevy, Big/Small Block, Kit

Part Number: CTR-80-006

5.0 out of 5 stars ( 2 )

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Water Neck, 75 degree, Swivel, O-ring Sealing Style, Aluminum, Black Anodized, 1.5 in. Outlet, Chevy, Chrysler

Part Number: MEZ-WN1022S

4.5 out of 5 stars ( 2 )

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Thermostat Housing, Swivel, 75 Degree, Black, LT1, LT2, LT4, LT5, Gasket and Thermostat Not Included, Chevy, Each

Part Number: BSP-BLK90520

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