1966 Thermostats, Housings & Fillers

Thermostat-160 Degrees

Part Number: SNN-226-160

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, -16 AN Outlet Size, Chrysler, Dodge, Plymouth, Small Block, Each

Part Number: MCH-BTH-409-05

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Necks and Thermostat Housings, Straight, Aluminum, Clear Anodized, O-ring Sealing Style, 1.500 in. Outlet, Chevrolet, Each

Part Number: MOR-63477

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: MCH-BTH-201-05

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Ford, 390/406/427/428 Big Block FE, Each

Part Number: MCH-BTH-321-05

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order

Thermostat Housing Bolts, Polished Stainless, 12-Point, Pontiac, Set

Part Number: ARP-490-7401

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

• Special Order

Thermostat-205 Degrees

Part Number: SNN-200-205

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

Water Neck Plate, Billet Aluminum, Blue Anodized, Straight Up, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN0912B

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Neck Base, Polished, Mopar, Big Block, Each

Part Number: MEZ-WN0029U

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Block Off Plate, Water Neck, Manifold, Chevy/Mopar, Big Block, Polished, Each

Part Number: MEZ-WN0007U

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Fail-Safe Thermostat Kit-195 Degrees w/ Gasket

Part Number: SNN-4841KTFS

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Special Order

Fail-Safe Thermostat Kit- 195 Degrees w/ Gasket

Part Number: SNN-4853KTFS

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Special Order

WATER NECK OUTLET, MOPAR/CHRYSLER Cast Alum 90°, all V6/V8/Slant6, as-cast

Part Number: PQX-5244081

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

UltraStat Thermostat Kit- 192 Degrees w/ Gasket

Part Number: SNN-4831KTUS

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

Thermostat, Standard-flow, 195 degrees, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each

Part Number: OMX-1710652

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

• Drop Ship
• Special Order

Water Outlet Restrictor, Aluminum, Funnel Shaped, Each

Part Number: KRC-1027

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Water Neck, Steel, Silver, Chrysler Dodge, Plymouth, Each

Part Number: SNN-CH4022

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

Water Neck, Steel, Silver, Chevrolet, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: SNN-CH4846

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Special Order

Thermostat, 195 degrees, Steel, Jeep, Willys, Each

Part Number: CWA-905594

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

• Drop Ship
• Special Order

Thermostat Kit-195 Degrees w/ Gasket

Part Number: SNN-4815KT

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

Water Neck, Steel, Silver, Chevrolet, GMC, Jeep, Each

Part Number: SNN-CH4018

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Special Order

Water Neck, Steel, Silver, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: SNN-CH4841

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Special Order

Fail-Safe Thermostat Kit-195 Degrees w/ Gasket

Part Number: SNN-4838KTFS

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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

Part Number: FSS-84846

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 3, 2025 if ordered today

• Special Order

Thermostat Housing, Steel, Natural, Jeep, 3.8L, Each

Part Number: CWA-J3172305

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

• Drop Ship
• Special Order