CHEVROLET 5.7L/350 Thermostats, Housings & Fillers

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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Allstar Performance billet aluminum water necks fit most Chevy V8, accept most standard thermostats and swivel

Part Number: AAF-ALL30370

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Allstar Performance billet aluminum water necks fit most Chevy V8, accept most standard thermostats and swivel

Part Number: AAF-ALL30371

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Water Outlet,Stainless steel,Chevy, -8AN bypass fitting on top,Outlets accept 1" hose,Bright polished finish

Part Number: EDM-106-13B

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Water Outlet,Stainless steel,Chevy,With -8AN bypass fitting on top,-10AN outlets,Bright polished finish

Part Number: EDM-106-16B

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Water Outlet,Stainless steel,Chevy,With 1/2"NPT bypass fitting on top,-10AN outlets,Bright polished finish

Part Number: EDM-106-16P

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Water Outlet,Stainless steel,Chevy,-12AN outlets,Bright polished finish

Part Number: EDM-106-17

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Water Outlet,Stainless steel,Chevy,With 1/2"NPT bypass fitting on top,-12AN outlets,Bright polished finish

Part Number: EDM-106-17P

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Water Neck, Billet Aluminum, Blue, 90 Degree, -16 AN, Swivel, Chevy, Each

Part Number: SUM-371111-BL

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Water Neck, Billet Aluminum, Red, 90 Degree, -16 AN, Swivel, Chevy, Each

Part Number: SUM-371111-RE

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Estimated Ship Date: Dec 17, 2025 if ordered today

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THERMOSTA

Part Number: NAL-12632948

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Water Neck, Aluminum, Blue Anodized, O-Ring, Straight, 1.500 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-241

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Water Neck, Aluminum, Red Anodized, O-Ring, Straight, 1.500 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-243

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Water Neck, Aluminum, Blue Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Chevy, Small/Big Block, Each

Part Number: HSE-4910-350-201

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Estimated Ship Date: Nov 10, 2025 if ordered today

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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

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Estimated Ship Date: Nov 10, 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 10, 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 10, 2025 if ordered today

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Water Neck, Straight Up, Billet Aluminum, Natural, -16 AN Male Threads Inlet, Chevy, 4.8L, 5.3L, 6.0L, Each

Part Number: CTR-80-032

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Thermostat Housing, Aluminum, Red Anodized, Swivel, 90 Degree, -12 AN Outlet, Chevy, Each

Part Number: PGP-PRP-6273

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Estimated Ship Date: Nov 18, 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 8, 2025 if ordered today

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

Part Number: MCH-BTH-206

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Estimated Ship Date: Dec 8, 2025 if ordered today

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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 8, 2025 if ordered today

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Thermostat Housing - Chevy LS Straight - 16AN - Clear

Part Number: CVS-TSH5SACL

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Thermostat Housing - Chevy LS Straight - 16AN - Red

Part Number: CVS-TSH5SAR

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Estimated Ship Date: Dec 22, 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: Dec 22, 2025 if ordered today

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