Selecting your vehicle's model and year allows us to display only parts and items specific to your car's model and year.
Be the First to Review
OPGI Price: $13.99
Part Type: (G) Genuine General Motors product
Sold As: EACH
2016 Riviera Catalog Page: 132
This thermostat bypass hose is crucial to proper cooling and water flow in the engine. The hose fits between the water pump and the intake manifold allowing a small amount of water to bypass the thermostat while the engine is cold. Sold per each.