Water Necks and Thermostat Housings

Water Neck, Cast Aluminum, Polished, O-Ring, 45-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371100

4.52 out of 5 stars ( 98 )

Estimated Ship Date: Today

Water Neck, Cast Aluminum, Natural, Chevy, Big/Small Block V8, Each

Part Number: NAL-10108470

4.82 out of 5 stars ( 133 )

Estimated Ship Date: Today

Water Neck, Aluminum, Polished, O-Ring, 45 degree, Swivel, Chevrolet, Each

Part Number: EDL-4817

4.35 out of 5 stars ( 48 )

Estimated Ship Date: Today

Water Neck, Aluminum, Chrome Plated, O-Ring, 45 Degree, Chevy, Big/Small Block, Each

Part Number: MRG-2661

4.5 out of 5 stars ( 36 )

Estimated Ship Date: Today

Water Neck, Steel, Chrome Plated, O-Ring, 45 Degree, Ford, 260-302/351W, Each

Part Number: MRG-2662

3.88 out of 5 stars ( 25 )

Estimated Ship Date: Today

Water Neck, O-ring, Steel, Chrome, 45 degree, Ford, Small Block Windsor, Each

Part Number: SUM-G3805-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Water Neck, Steel, Chrome Plated, O-Ring, 45 Degree, Chevy, Big/Small Block, Each

Part Number: MRG-2660

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Water Neck and Thermostat Housing, Swivel, Aluminum, Black, 45 Degree, GM, LS, Each

Part Number: DWR-32-1761-BLK

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Water Neck, Steel, Chrome Plated, 45 Degree, Oldsmobile, V8, Each

Part Number: SUM-376003

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Water Neck, 45 degree, Gasket Sealing Style, Stainless Steel, Natural, Ford, Car, V8, Flathead, 8BA, Each

Part Number: BDR-1BA-8592-A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Water Neck, Aluminum, Polished, 45 Degree, Chevy, Big/Small Block, Each

Part Number: WND-6242

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Today

Water Neck, Steel, Chrome Plated, 45 Degree, Chevy, Big/Small Block, Each

Part Number: SPE-42303

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Water Necks and Thermostat Housings, Allstar Performance Aluminum Water Necks, 45 degree, Swivel, Aluminum, O-ring, Each

Part Number: AAF-ALL30271

Not Yet Reviewed

Estimated Ship Date: Today

Water Neck, Zinc Alloy, Chrome Plated, O-Ring, 45 Degree, Chevy, Big/Small Block, Each

Part Number: TRD-9468

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

Water Neck, Zinc Alloy, Chrome Plated, 45 Degree, Chevy, Big/Small Block, Each

Part Number: TRD-4788

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

Water Necks and Thermostat Housings, Aluminum, Polished, 1.50 in. Outlet, 45 Degree, Each

Part Number: MLL-BPP893745

Not Yet Reviewed

Estimated Ship Date: Today

Water Neck, 45 degree, Gasket Sealing Style, Stainless Steel, Natural, Ford, Car, V8, Flathead, 8BA, Each

Part Number: BDR-HR-8592-A

Not Yet Reviewed

Estimated Ship Date: Today

Water Neck, Zinc Alloy, Chrome Plated, O-Ring, 45 Degree, Ford, 221-302/351W, Each

Part Number: TRD-9440

Not Yet Reviewed

Estimated Ship Date: Today

Thermostat Housing, Cast Iron, Natural, Jeep, Each

Part Number: OMX-1711805

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Water Neck, Aluminum, Polished, 45 Degree, Chevy, Big/Small Block, Each

Part Number: TRD-6003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Water Neck, Aluminum, Black Powdercoated, 45 Degree, Chevy, Big/Small Block, Each

Part Number: WND-6252

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Water Neck, Aluminum, Chrome, 45 Degree, Chevy, Big/Small Block, Each

Part Number: PRO-141-500

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

Water Neck, Cast Aluminum, Copper Plated, O-Ring, 45-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371100CPR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Nov 4, 2025 if ordered today

• Drop Ship
• Special Order