SPOOLOGIC Turbo Coolant Return Line

The SPOOLOGIC Turbo Coolant Return Line SL-360-020 connects the turbocharger coolant return to the cooling system on 2017–2023 Chevrolet Silverado 2500 3500 and GMC Sierra 2500 3500 trucks with the 6.6L Duramax L5P engine.

Features

• Connects the turbocharger coolant return to the cooling system
• Formed coolant return tube with a flexible hose section

What’s Included

• 1 turbo coolant return line assembly
• 1 line-to-turbo gasket
• 2 line-to-turbo bolts

Fitment

• 2017-2023 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax L5P
• 2019-2023 Chevrolet Silverado 4500 5500 6500 6.6L Duramax L5D

OEM and Manufacturer References

• GM OEM 12691899 — turbo coolant return line

1-Year Limited Warranty

Every SPOOLOGIC Turbo Coolant Return Line carries a 1-Year Limited Warranty against defects in materials and workmanship for the original purchaser from the original purchase date. Coverage excludes damage caused by improper installation, contaminated or damaged connections, reused installation seals, and physical damage. Claims require dated proof of purchase. Contact SPOOLOGIC for return authorization before shipping the component for inspection. If inspection confirms a covered defect, SPOOLOGIC will replace the covered component. Customers pay warranty shipping in both directions; labor and related costs are not covered. See the SPOOLOGIC Warranty Policy for full terms.