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

Water Neck and Thermostat Housings, Billet Aluminum, Natural, Straight Up, -20 AN Male Threads, Chevy, LS, Each

Part Number: ICB-551836-LS320

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Part Number: CVS-TSH5R

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: MCH-BTH-211-08

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Mounting Bracket, Water Neck Replacement Component, Remote, Chevy, Kit

Part Number: MOR-63427

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Thermostat, Powertech, 180 Degree, Stainless Steel, Chevy, GMC, V8, Each

Part Number: JET-10175

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

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

Part Number: HSE-4910-347-245

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Part Number: MCH-BTH-215-08

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Water Neck, Billet Aluminum, Natural, Straight Up, 1.50 in. Inlet Diameter, Chevy, 4.8L LS, 5.3L LS, 6.0L LS

Part Number: CTR-80-022

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

Water Neck Outlet, Billet Aluminum, Polished, Straight, LS1, LS2, LS7, Each

Part Number: PQX-5234613

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Thermostat Housing - Chevy LS Straight - 16AN - Blue

Part Number: CVS-TSH5SABL

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: CVS-TSH5BL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: CVS-TSH5SBK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Special Order

Thermostat Housing - Chevy LS Straight - 16AN - Black

Part Number: CVS-TSH5SABK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: MCH-BTH-216-05

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Part Number: CVS-TSH5ABL

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Special Order

Thermostat Housing, Aluminum, Black Anodized, Swivel, 90 Degree, -16 AN Outlet, Chevy, Each

Part Number: PGP-PRP-6726

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: CSI-911LS115C

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Part Number: HSE-4910-347-202

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HSE-4910-347-205

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: MCH-BTH-215-05

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Part Number: MCH-BTH-211

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HSE-4910-347-241

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HSE-4910-347-201

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HSE-4910-347-203

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Drop Ship
• Special Order