1990 Thermostats, Housings & Fillers

Water Neck, Billet Aluminum, Clear Anodized, Swivel, 90 Degree, Ford, 260-302/351W, Each

Part Number: CSI-9110C

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Thermostat Housing Bolts, Polished Stainless, Hex, Ford, Windsor, Set

Part Number: ARP-450-7402

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Ford, Each

Part Number: MCH-BTH-331-05

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Neck, Thermostat Housing, Ford, Big Block 429-460, 351 Cleveland,351M & 400M, Billet, 75 Degree, Two Piece, O-Ring, Each, Clear Coat

Part Number: MCH-BTH-334

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Thermostat, Mechanical, OE, 170 degrees, Standard-flow, Chevrolet, Corvette, Each

Part Number: ADO-131-84

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Neck Spacers, Thermo Spacer, Aluminum, Black Anodized, 1.125 in. Thick, Four 1/2 in.-NPT ports, O-Ring included, Chevy, Each

Part Number: JOE-36025-V2

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Engine Coolant Thermostat Housing

Part Number: RNB-902-3018

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Neck, Billet Aluminum, Polished, Straight Up, Ford, Each

Part Number: CTR-80-036

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HSE-4910-350-205

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Water Neck, Thermostat Housing, Ford, Big Block 429-460, 351 Cleveland,351M & 400M, Billet, 75 Degree, Two Piece, O-Ring, Each, Black

Part Number: MCH-BTH-334-08

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Water Neck, Aluminum, Black Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, With Filler Neck for Radiator Cap, Chevy, Small/Big Block, Each

Part Number: HSE-4910-383-242

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Water Neck, Thermostat Housing, Aluminum, Natural, Gasket Style, Each

Part Number: RNB-902-1017

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Ford, 289/302/351 Small Block Windsor, Each

Part Number: MCH-BTH-301-05

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Neck, Chevy, Straight, Aluminum, Black Powdercoated, Chevrolet, Each

Part Number: AAF-ALL30272

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Neck, Aluminum, Black Powdercoated, 45 Degree, Chevy, Big/Small Block, Each

Part Number: WND-6252

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Neck, 0 degree, Aluminum, Polished, O-Ring Sealing Style, Chevy, Small Block, Each

Part Number: CLP-CP6002

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Neck Spacer, Billet Aluminum, Red Anodized, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN0028R

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Thermostat, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-200-160

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Neck, Swivel, Billet Aluminum, Blue Anodized, O-ring, 90 degree, for 1.5 in. Hose, Ford, Small Block

Part Number: CVS-TSH7BL

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Thermostat Housing, Steel, Natural, Jeep, Each

Part Number: CWA-33004856

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: FSS-84841

2.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Neck, Billet Aluminum, Polished, 0 Degree, Ford, 429, 460, Each

Part Number: BSP-90720

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Water Neck, Aluminum, Clear Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Ford, Small Block, Each

Part Number: HSE-4910-302-245

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Water Neck, Billet Aluminum, Natural, Straight Up, -16 AN Male, Ford, Big Block 385 Series, Cleveland, Kit

Part Number: CTR-80-037

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Water Neck, Zinc Alloy, Chrome Plated, O-Ring, 45 Degree, Ford, 221-302/351W, Each

Part Number: TRD-9440

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air