• ESPANOL
  • Part Finders
  • Training
  • Resources
  • Get Napa Updates

Silicone hose

Reduce downtime and lower cost-per-mile
with NAPA Heavy Duty silicone hose.

Current heavy duty engines with advanced emissions systems (from 2007 to current model year) produce higher under-hood temperatures, requiring the use of silicone coolant hose. In these low engine-air-flow and high-heat conditions— such as transit-style school buses with engine front (EF) and engine rear (ER) configurations – NAPA Belts/Hose Silicone Coolant Hose is the perfect product.

NAPA Belts/Hose now offers high-quality 4-ply silicone coolant hose for high-heat (up to 500ºF) performance in these demanding conditions. Available in 350ºF and 500ºF 36” straight sections and 350ºF 45º and 90º elbows, NAPA Belts/Hose Silicone Coolant Hose has the industry-standard blue cover for easy identification. Keep your fleet moving by reducing down time and lowering cost-per-mile.

Download a Brochure.

Learn more about Heat Solutions.

NAPA Belts/Hose on YouTube

From diagnosing serpentine belt noise to inspecting and replacing Alternator Decoupler Pulleys, we have a solution to your challenge. Watch Videos

NAPA Heating/Cooling Training

Watch videos and find info about a variety of NAPA Heating/Cooling products, from water pumps to fuel hose, on our training page. Learn More

Automotive Parts Catalog

Find the replacement auto parts you need. Search by application, interchange or part number. Use the Catalog