Thermostats, Housings & Fillers

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Satin Black Anodized, -20 AN Outlet Size, Pontiac, Pontiac V8, Each

Part Number: MCH-BTH-106-08

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

• Special Order

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Clear, Polished, -16 AN Outlet Size, Ford, 289/302/351 Small Block Windsor, Each

Part Number: MCH-BTH-305

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: MCH-BTH-216-08

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

• Special Order

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Satin Black Anodized, -20 AN Outlet Size, Ford, 289/302/351 Small Block Windsor, Each

Part Number: MCH-BTH-306-08

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

• Special Order

Thermostat, 1989-1993 Dodge 5.9L Cummins High-Temp Thermostat, 87.5C

Part Number: MIO-MMTS-RAM-89H

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

• Special Order

Filler Neck, Extended, Inline, 1.50 IN To 1.25 IN

Part Number: MOR-63482

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

• Drop Ship
• Special Order

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Clear, Polished, -16 AN Outlet Size, Ford, 390/406/427/428 Big Block FE, Each

Part Number: MCH-BTH-325

Not Yet Reviewed

Estimated Ship Date: Today

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Clear, Polished, -20 AN Outlet Size, Ford, 390/406/427/428 Big Block FE, Each

Part Number: MCH-BTH-326

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

• Special Order

Water Neck, Straight Up, O-ring Style, Billet Aluminum, Clear Anodized, Chevy, Each

Part Number: CSI-911LS115C

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Estimated Ship Date: Today

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

Part Number: MCH-BTH-321

Not Yet Reviewed

Estimated Ship Date: Today

Thermostat Assembly w/ Sensor

Part Number: URO-014187

Not Yet Reviewed

Estimated Ship Date: Sep 26, 2025 if ordered today

• Drop Ship
• Special Order

Thermostat, 1989-1993 Dodge 5.9L Cummins Low-Temp Thermostat, 79C

Part Number: MIO-MMTS-RAM-89L

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

• Special Order

Water Necks and Thermostat Housings, Replacement, Stock Style, Aluminum, Natural, Buick, Chevrolet, GMC, Each

Part Number: ADO-15-11055

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

WATER NECK 12AN

Part Number: MEZ-WN0812U

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Housing, Thermostat, OEM Replacement, Chrysler, Dodge, Each

Part Number: MOP-68148113AA

Not Yet Reviewed

Estimated Ship Date: Today

Water Neck, O-ring Sealing Style, Composite, Black, Ford, Mercury, 4.0L, Each

Part Number: RNB-902-860

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Sep 18, 2025 if ordered today

• Drop Ship
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1967-76 Dodge, Plymouth; Thermostat Housing; with V8

Part Number: OER-MP6500

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Waterneck, Aluminum, 1966-72 CH/EC/MC Exc. L79

Part Number: OPG-PPR1837

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Special Order

Thermostat, 154 Degrees, Standard-Flow, Ford, 4.6L, Each

Part Number: MIO-MMTS-MUS-96

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Water Neck and Thermostat Housing, 194 Thermostat, Plastic, Black, O-Ring, Volvo, Land Rover, Each

Part Number: BCK-143-0916

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

• Drop Ship
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Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, -16 AN Outlet Size, Pontiac, Pontiac V8, Each

Part Number: MCH-BTH-105-05

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

• Special Order

THERMOSTAT HOUSING

Part Number: RNB-902-3113

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Drop Ship
• Special Order

In-Line Thermostat Housings, Thermostat Housing; 12-18 JK, 11-15 WK, 3.6L OE: 5184651AF

Part Number: OMX-1711807

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• 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: Sep 8, 2025 if ordered today

• Special Order

Thermostat Housing, Chevy LS Billet Inline Thermostat Housing

Part Number: PGP-PRP-4535

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

• Special Order