Thermostats, Housings & Fillers

Engine Coolant Thermostat, OE Thermostat

Part Number: ASN-THH-016

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

• Special Order

Thermostat, Sandwich Plate, 200 degrees, Replacement, Each

Part Number: MIO-MMTS-SPT-93

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• $30 Summit Bucks
• Special Order

UltraStat Thermostat Kit-195 Degrees w/ Gasket

Part Number: SNN-5180KTUS

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Thermostats, Mechanical, OE Replacement, 180 Degrees F, Subaru, Saab, Each

Part Number: ASN-THF-003

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

• Special Order

Fail-Safe Thermostat-180 Degrees

Part Number: SNN-7302-180

Not Yet Reviewed

Estimated Ship Date: Today

Water Neck, Replacement, for use on Acura®, Honda®, Each

Part Number: FSS-85156

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Thermostat-180 Degrees w/ Seal

Part Number: SNN-218-180

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

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

Part Number: FSS-84811

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Water Neck, 90 Degree, Ford, 300, 302, 351W, Each

Part Number: FSS-84816

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Water Outlet, OEM Replacement, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: FSS-84911

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

FSM and FSC series oil thermostat rebuild kit, 185F

Part Number: IRP-FSM-185-RKIT

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Special Order

Water Neck and Thermostat Housing, Stock, Cast Aluminum, Natural, Chevrolet, GMC, Workhorse, Each

Part Number: RNB-902-756

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

UltraStat Thermostat-192 Degrees w/ Seal

Part Number: SNN-5426-190

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Fail-Safe Thermostat Kit- 192 Degrees w/ Gasket

Part Number: SNN-4831KTFS

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Thermostat, Spec-R, 160 Degrees F, Steel/Copper, Universal, Each

Part Number: SNN-MRD101

Not Yet Reviewed

Estimated Ship Date: Today

Radiator Filler Neck, Weld-on, Aluminum, Natural, Each

Part Number: KYS-100-15359

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

Water Neck, Replacement, Ford, Each

Part Number: FSS-84973

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Thermostat, Mechanical, OE, 180 degrees, Standard-flow, Each

Part Number: ADO-19316308

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
• Special Order

Fail-Safe Thermostat-180 Degrees

Part Number: SNN-7226-180

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Integrated Housing Thermostat-160 Degrees w/ Seal

Part Number: SNN-379-160

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

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

Part Number: FSS-84990

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

UltraStat Thermostat Kit- 195 Degrees w/ Gasket

Part Number: SNN-4899KTUS

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Fail-Safe Thermostat-180 Degrees w/ Seal

Part Number: SNN-7461-180

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

CHR WATER NECK/MOPAR/CHEVY

Part Number: DWR-32-4987

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

• Special Order

Fail-Safe Thermostat Kit-195 Degrees w/ Seal

Part Number: SNN-4992KTFS

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order