1999 Thermostats, Housings & Fillers

ater Neck, Thermostat Housing, Chrysler, Small Block 318-360, 1964-1978, Billet, Two Piece, 90-Degree, O-Ring, Polished, Each

Part Number: MCH-BTH-406-05

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HSE-4910-350-203

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• 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: Today

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

Part Number: PQX-5234613

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Special Order

Thermostat-180 Degrees

Part Number: SNN-281-180

Not Yet Reviewed

Estimated Ship Date: Today

Water Neck, Radiator Cap Filler Neck Style, Billet Aluminum, Clear Anodized, Chevy, Each

Part Number: CVS-TSH3CL

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Water Neck, Swivel, Billet Aluminum, Clear Anodized, O-ring, 90 degree, -16 AN, Chevy, GMC, Chrysler, Dodge

Part Number: CVS-TSH6ACL

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 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: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Thermostat Housing, Aluminum, Clear Anodized, Swivel, 90 Degree, 1 3/4 in. Outlet, Chevy, Each

Part Number: PGP-PRP-6122

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

• Drop Ship
• Special Order

Thermostat, 180 Degrees F, Stainless Steel, Each

Part Number: SNN-5228-180JV

Not Yet Reviewed

Estimated Ship Date: Today

Thermostat Housing, Aluminum, Clear Anodized, Swivel, 90 Degree, 1 1/2 in. Outlet, Chevy, Each

Part Number: PGP-PRP-6121

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

• Drop Ship
• Special Order

Water Neck, Billet Aluminum, Natural, -16 AN Male, Straight Up, Chevy, Big/Small Block, Each

Part Number: CTR-80-100

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• Special Order

Water Neck, Chevy LS, Cast Aluminum, As Cast Finish, 45 Degree, 5.7L, 6.0L, 6.2L, Each

Part Number: PQX-5234681

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

• Drop Ship
• Special Order

Water Pump Crossover, Stainless Steel, -10 AN Male, Black, Each

Part Number: CHH-3300-010B

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Drop Ship
• Free Shipping
• Special Order

Water Pump Crossover, Stainless Steel, -10 AN Male, Polished, Each

Part Number: CHH-3300-010P

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Drop Ship
• Free Shipping
• Special Order

Water Pump Crossover, Stainless Steel, -12 AN Male, Polished, Each

Part Number: CHH-3300-012P

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Drop Ship
• Free Shipping
• Special Order

Thermostat Housing - Chevy LS Straight - 16AN - Black

Part Number: CVS-TSH5SABK

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Special Order

Thermostat, Standard-flow, 154 degrees, Copper/Stainless Steel, BMW, Each

Part Number: MIO-MMTS-E3692L

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: MIO-MMTS-JGC-99L

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Special Order

Thermostat Housing, Steel, Black, Dodge, Each

Part Number: CWA-53020115

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

• Drop Ship
• Special Order

Water Necks and Thermostat Housings, Straight, Swivel, Satin Black Anodized, -20 AN Outlet, Chrysler, Dodge, Jeep, Plymouth, Small Block, Each

Part Number: MCH-BTH-418-08

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: MCH-BTH-201

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order

01+ Subaru WRX and STI Racing Thermostat, 68 Degrees C

Part Number: MIO-MMTS-WRX-01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Special Order

Water Neck, Cast Aluminum, Copper Plated, O-Ring, 15-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371102CPR

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Fail-Safe Thermostat-195 Degrees w/ Seal

Part Number: SNN-7420-195

Not Yet Reviewed

Estimated Ship Date: Today