Thermostats, Housings & Fillers

Straight Thermostat Housing For LS Gen 3 Water Pump

Part Number: ICB-551836-LS1ST

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: AFC-80312-15

4.59 out of 5 stars ( 34 )

Estimated Ship Date: Today

Water Neck and Thermostat Housings, Billet Aluminum, Natural, Straight Up, -16 AN Male Threads, Chevy, LS, Each

Part Number: ICB-551836-LS316

Not Yet Reviewed

Estimated Ship Date: Sep 10, 2025 if ordered today

Water Neck, Billet Aluminum, Red Anodized, O-Ring, 90 Degree, 1.5 in., Ford, Small Block, 351W, Each

Part Number: CVS-TSH7R

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Today

Water Neck, LS Water Pump Adapter, Straight Up, Billet Aluminum, Clear Anodized, Chevy, Small Block LS, Kit

Part Number: EAR-LS0005ERL

Not Yet Reviewed

Estimated Ship Date: Today

Thermostat, 160 Degrees Opening Temperature Rating, Copper/Steel, Gaskets, Chevrolet, Pontiac, Each

Part Number: LPE-L310025192

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Oct 6, 2025 if ordered today

Water Neck, Thermostat Housing, 90 Degree, Chrome, Ford Small Block, SBF, Each

Part Number: SUM-370980

2.14 out of 5 stars ( 7 )

Estimated Ship Date: Today

Water Neck, 15 Degree, O-Ring, Steel, Chrome, Chevrolet, 4.3, V6, SBC, BBC, Each

Part Number: EDL-4809

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Water Manifold, Coolant Manifold, Aluminum, Black, Two -16 AN Inlets, Two -12 AN Outlets, Chevrolet, Small Block LS, Each

Part Number: MEZ-WAM119S

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Thermostat, Mechanical, OE, 195 degrees, Standard-flow, Each

Part Number: ADO-131-121

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Water Neck, Replacement, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: FSS-84842

4.25 out of 5 stars ( 16 )

Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Coolant Manifold, Billet Aluminum, Black Anodized, Two -12 AN O-ring Inlets, One -20 AN O-ring Outlet, Each

Part Number: MEZ-WAM12ANS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Water Neck, 90 degree, Swivel, Cast Aluminum, Polished, O-ring Sealing Style, Chevy, Small Block, Big Block

Part Number: KYS-100-15359-1

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

Water Neck, Stock Style, Zinc Alloy, Chrome Plated, Ford, Each

Part Number: SDK-C5ZZ-8592-C

4.04 out of 5 stars ( 25 )

Estimated Ship Date: Today

Water Necks and Thermostat Housings, 75 Degree, Swivel Style, Aluminum, Black Powdercoated, Matte Finish, O-ring Seal, with Hardware, Each

Part Number: AAF-ALL30273

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Thermostat, 180 Degrees, Each

Part Number: GRN-53080S

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

Water Bypass Kit, Coolant Bypass, Spacer, Billet Aluminum, Black Anodized, Hose, Models with Manual Transmission, Dodge, 5.9L Diesel, Kit

Part Number: FLE-S0301

Not Yet Reviewed

Estimated Ship Date: Sep 30, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Thermostat, 160 Degree, Copper/Brass, Mopar, Ford, Lincoln, Mazda, Mercury, Each

Part Number: SUM-370-160

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

Water Neck, Water Outlet, Stock, Aluminum, Stock, Pontiac, V8, L4, Each

Part Number: ADO-15-10282

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Water Neck, Zinc Alloy, Chrome, Mopar, Small Block/Big Block, 1978 and Older, Each

Part Number: TRD-4987

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Today

THERMOSTAT HOUSING 1.250

Part Number: SUM-3701250

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today