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Thermostat housing, water neck, water outlet, coolant housing…they’re all names for the same thing. This component is where the upper radiator hose plugs...
Thermostat housing, water neck, water outlet, coolant housing…they’re all names for the same thing. This component is where the upper radiator hose plugs in, and it also contains your mechanical thermostat. Grab a stock replacement to replace a leaky or broken one, dress up your engine with a chrome or anodized finish, or use a 360° swiveling model for versatility on your custom cooling system.
Thermostat housing, water neck, water outlet, coolant housing…they’re all names for the same thing. This component is where the upper radiator hose plugs in, and it also contains your mechanical thermostat. Grab a stock replacement to replace a leaky or broken one, dress up your engine with a chrome or anodized finish, or use a 360° swiveling model for versatility on your custom cooling system.
Showing In Stock Items. Show All 289 Items.
Housing, Thermostat, OEM Replacement, Dodge, Jeep, Ram, Each
Part Number: MOP-53021536AC
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
BUILD IT WITH SUMMIT!
Water Neck, Steel, Chrome Plated, Straight Up, Mopar, Small Block LA, Polysphere, Big Block B/RB/Hemi, Each
Part Number: SUM-377806
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Housing, Thermostat, OEM Replacement, Chrysler, Each
Part Number: MOP-04781387AA
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Housing, Thermostat, OEM Replacement, Chrysler, Dodge, Each
Part Number: MOP-68148113AA
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Housing, Thermostat, OEM Replacement, Dodge, Jeep, Truck, Each
Part Number: MOP-53020887AD
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Housing, Thermostat, OEM Replacement, Dodge, Each
Part Number: MOP-04792916AE
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Necks and Thermostat Housings, Black Mopar Water Neck
Part Number: PGP-PRP-6728
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Neck, Billet Aluminum, Black Anodized, Straight Up, Chevy, Mopar, Big Block, Small Block, Each
Part Number: MEZ-WN0916S
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Neck, Zinc Alloy, Chrome, Mopar, Small Block/Big Block, 1978 and Older, Each
Part Number: TRD-4987
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Neck, Billet Aluminum, Black Anodized, Straight Up, Chevy, Mopar, Big Block, Small Block, Each
Part Number: MEZ-WN0912S
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Neck, Billet Aluminum, Natural, Straight Up, 1.50 in. Hose, Mopar, Kit
Part Number: CTR-80-025
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
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 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Neck Base, Black Anodized, Mopar, Big Block, Each
Part Number: MEZ-WN0029S
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Neck, Billet Aluminum, Blue Anodized, 15 Degree, Chevy, Mopar, Big Block, Small Block, Each
Part Number: MEZ-WN0021DB
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
CHR WATER NECK/MOPAR/CHEVY
Part Number: DWR-32-4987
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
WATER NECK OUTLET, MOPAR/CHRYSLER Cast Iron Vertical Fitting, all V6/V8/Slant6, chrome
Part Number: PQX-5244093
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Thermostat Housing, with Thermostat, O-Ring, Mopar, 3.6L V6, Each
Part Number: CWA-5184977AE
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Water Neck, Billet Aluminum, Polished, Straight Up, Chrysler, Dodge, Plymouth, Big Block, Small Block, Each
Part Number: BSP-90820
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Neck and Thermostat Housing, Stock, Steel, Natural, Chrysler, Dodge, Plymouth, Each
Part Number: RNB-902-3012
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Neck, 75 degree, Swivel, O-ring Sealing Style, Aluminum, Black Anodized, 1.5 in. Outlet, Chevy, Chrysler
Part Number: MEZ-WN1022S
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Thermostat Housing, Plastic, Black, Thermostat, Dodge, Jeep, 3.6L, Each
Part Number: CWA-5184651AF
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Neck, Billet Aluminum, Swivel, Black Anodized, 15 Degree, Chevy, Chrysler, Big/Small Block, Each
Part Number: MEZ-WN0020S
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Necks and Thermostat Housings, Gen III Hemi, Thermostat/Housing, 90 Degree, Swivel, Aluminum, Black, with Bolts, Chrysler, Dodge, 5.7-6.4L, Each
Part Number: HLY-97-341
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Thermostat Housing, 90 degree, Swivel, Billet Aluminum, Clear Anodized, O-ring Sealing Style, Chrysler, Each
Part Number: CVS-TSH8CL
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Water Necks and Thermostat Housings, Gen III Hemi, Thermostat/Housing, 45 Degree, Swivel, Aluminum, Black, with Bolts, Chrysler, Dodge, 5.7-6.4L, Each
Part Number: HLY-97-343
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
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