Oldsmobile V8 Chrome Zinc 45° Gasket Style Water Neck

This 45° water neck is designed to provide a secure coolant outlet connection between the engine and upper radiator hose. Its zinc construction with a chrome finish supports reliable coolant routing while giving the engine bay a clean finished look.

45° Outlet Configuration
The outlet angle helps route the upper radiator hose cleanly in performance, restoration, and custom cooling system layouts.

Secure Hose Connection
Designed to create a tight connection at the thermostat housing area to support reliable coolant flow and help reduce leak points.

Zinc Construction
Built from zinc to handle coolant system heat, pressure, and repeated service conditions.

Application-Specific Cooling Fitment
Designed for the listed engine family and sealing style, with fitment verified by the product dimensions and specifications.

COMPATIBLE WITH
OLDSMOBILE V8

• 4.3 L / 260 in3
• 5.0 L / 307 in3
• 5.4 L / 330 in3
• 5.7 L / 350 in3
• 6.6 L / 400 in3
• 6.6 L / 403 in3
• 7.0 L / 425 in3
• 7.5 L / 455 in3

NOTE: Be sure to determine correct water neck angle, as radiator hoses vary between applications.

COMMON VEHICLE APPLICATIONS

• Classic and performance vehicles using matching thermostat housing dimensions
• Street rods and custom cooling system applications
• Engine builds requiring the listed water neck angle and sealing style

Specifications:

Water Neck Material	Zinc Alloy
Water Neck Finish	Chrome
Water Neck Style	45°
Sealing Style	Gasket (Included)
Swivel	No
Heater Bypass Provision	Yes
Mounting Hardware	Included