1990 Thermostats, Housings & Fillers

Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet Size, Chevrolet, Small/Big Block, Each

Part Number: MCH-BTH-203-08

Not Yet Reviewed

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

• Free Shipping

Water Headers Small Block Chevy

Part Number: DED-WH1

5.0 out of 5 stars ( 2 )

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

• Free Shipping

Thermostat, 180 Degrees F, Stainless Steel, Each

Part Number: SNN-206-180

Not Yet Reviewed

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

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: Monday 2/16/2026 if shipped by air

Water Neck and Thermostat Housing, Stock, Steel, Natural, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-902-2016

1.5 out of 5 stars ( 4 )

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

Gasket, Water Neck, Fiber, Chevrolet, Small/Big Block, Set of 10

Part Number: EW1-118350-10

Not Yet Reviewed

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

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: Monday 2/16/2026 if shipped by air

Water Neck, Aluminum, Blue Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Chevy, Small/Big Block, Each

Part Number: HSE-4910-350-241

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: MCH-BTH-301

Not Yet Reviewed

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

High Flow Thermostat-195 Degrees

Part Number: SNN-2000-195

Not Yet Reviewed

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

Thermostat, MotoRad Failsafe, 180 Degrees, High Flow, Each

Part Number: WSN-557180

4.0 out of 5 stars ( 5 )

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

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

Part Number: ADO-131-71

2.0 out of 5 stars ( 1 )

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

Water Neck, Aluminum, Black Ceramic, 75 Degree, Chevy, Big/Small Block, Each

Part Number: WND-6255

1.5 out of 5 stars ( 2 )

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

Thermostat, Mechanical, OE, 190 degrees, Standard-flow, Each

Part Number: ADO-132-55

Not Yet Reviewed

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

Water Neck, Straight, Aluminum, Black, Anodizes, O-Ring, 2.875 in. Bolt Spacing, Dodge. Chrysler, Plymouth, LA, Each

Part Number: PGP-PRP-6728

Not Yet Reviewed

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

Water Neck, Aluminum, Natural, 90 Degree, Chevy, Big/Small Block, Each

Part Number: MOR-63423

4.6 out of 5 stars ( 5 )

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

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

Part Number: WND-6242

4.2 out of 5 stars ( 10 )

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

Water Neck, Aluminum, Chrome Plated, O-Ring, 90 Degree, Chevy, Big, Small Block, Each

Part Number: PRO-66210

5.0 out of 5 stars ( 3 )

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

Water Neck, Replacement, Ford, Lincoln, Mercury, Each

Part Number: FSS-84884

3.17 out of 5 stars ( 6 )

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

Thermostat, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-300-160

1.0 out of 5 stars ( 1 )

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

Fail-Safe Thermostat-180 Degrees w/ Seal

Part Number: SNN-7267-180

Not Yet Reviewed

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

Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet, Ford, 289/302/351 Small Block Windsor, Each

Part Number: MCH-BTH-302-08

Not Yet Reviewed

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

• Free Shipping

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Satin Black Anodized, -16 AN Outlet Size, Ford, Each

Part Number: MCH-BTH-335-08

Not Yet Reviewed

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

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

Part Number: MCH-BTH-206-08

Not Yet Reviewed

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

Thermostat, Mechanical, Standard-flow, 180 degrees, Copper/Stainless Steel, Jeep, Each

Part Number: MIO-MMTS-WRA-87L

5.0 out of 5 stars ( 3 )

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