CHEVROLET Chevy small block Gen III/IV (LS-based engines) Thermostats, Housings & Fillers

Thermostat, HD, 180 Degrees F, Stainless Steel, Each

Part Number: SNN-4009-80

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Estimated Ship Date: Tomorrow

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

Part Number: MCH-BTH-213

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Water Neck, Thermostat Housing, Chevy, LS Engine, 75 Degree, Two Piece, Billet, Clear Coat

Part Number: MCH-BTH-214

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Estimated Ship Date: Dec 22, 2025 if ordered today

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LSX STRAIGHT WATER NECK

Part Number: TSN-HC8938BK

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Water Neck, 90 degree, -16 AN, Billet Aluminum, Blue Anodized, Buick, Chevy, GMC, Pontiac, Small Block LS, Each

Part Number: CVS-TSH5ABL

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Water Neck, 90 degree, -16 AN, Billet Aluminum, Clear Anodized, Chevy, Small Block LS, Each

Part Number: CVS-TSH5ACL

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Water Neck, Billet Aluminum, Black Anodized, Straight Up, 1.50 in. Hose, GM, LS Engine, Each

Part Number: CVS-TSH5SBK

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Estimated Ship Date: Jan 7, 2026 if ordered today

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

Part Number: MCH-BTH-216-08

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Thermostat Housing - Chevy LS Straight - 16AN - Blue

Part Number: CVS-TSH5SABL

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Water Neck, Straight Up, O-ring Style, Billet Aluminum, Clear Anodized, Chevy, Each

Part Number: CSI-911LS115C

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Estimated Ship Date: Tomorrow

Water Neck, Aluminum, Black Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-202

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Water Neck, Aluminum, Clear Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-205

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Water Neck, Thermostat Housing, Cast Aluminum, Copper Plated, 60 Degree, Swivel, Chevrolet, LS, Each

Part Number: SUM-370998CPR

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, -16 AN Outlet Size, Chevrolet, Small Block LS, Each

Part Number: MCH-BTH-215-05

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Estimated Ship Date: Tomorrow

Thermostat Housing CHEVY 350 LS1 THERMOSTAT HOUSING #20AN CONNECTION

Part Number: CSI-911LS1AN20C

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Estimated Ship Date: Tomorrow

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Water Neck, Billet Aluminum, Low-Profile, Polished, 1.500 in. Inlet, Chevy LSX Engines, 15 degree, Each

Part Number: MEZ-WN0019U

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Estimated Ship Date: Tomorrow

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

Part Number: MCH-BTH-211

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Water Neck, Thermostat Housing, Chevy, LS Engine, 75 Degree, Two Piece, Billet, Polished

Part Number: MCH-BTH-214-05

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Clear, Polished, -16 AN Outlet Size, Chevrolet, Small Block LS, Each

Part Number: MCH-BTH-215

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Clear, Polished, -20 AN Outlet Size, Chevrolet, Small Block LS, Each

Part Number: MCH-BTH-216

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Water Neck, Aluminum, Blue Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-201

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Water Neck, Aluminum, Red Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-203

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Thermostat Housing - Chevy LS Straight - 1-1/2" Hose - Blue

Part Number: CVS-TSH5SBL

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Thermostat Housing - Chevy LS Straight - 1-1/2" Hose - Clear

Part Number: CVS-TSH5SCL

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 6, 2026 if ordered today

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Thermostat Housing - Chevy LS Straight - 1-1/2" Hose - Red

Part Number: CVS-TSH5SR

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Estimated Ship Date: Jan 6, 2026 if ordered today

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