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DTech Fuel Return Line Kit - 2001-2004 LB7 Duramax
Product details
DTech Fuel Return Line Kit - 2001-2004 LB7 Duramax
DTech part DT660020 is an application-specific service component for 2001-2004 GM 6.6L LB7 Duramax. It replaces or upgrades the filter, hose, line, pump, valve or cover identified in the product title.
This Hilltop listing is organized around the exact DTech part number so customers can verify fitment, component type and installation requirements before purchase.
Key Features
- Application-specific service fitment
- Designed for the listed system pressure/temperature/function
- Direct replacement or performance upgrade
- Matched by exact manufacturer part number
Fitment
2001-2004 GM 6.6L LB7 Duramax
Important Installation Notes
- Confirm exact year, engine, chassis/drivetrain and manufacturer part number before ordering.
Product Information
- Manufacturer: DTech
- Manufacturer Part #: DT660020
- Product Type: Line Kit
- Catalog detail: 6L LB7 Duramax. Manufacturer Part #: DT660020 Fuel Lines & Return component selected for Hilltop Diesel Performance. Verify exact year, model, engine, transmission, emissions configuration, and installation requirements before ordering.
How do I verify fitment?
Match the product fitment information to your exact year, make, model, engine, drivetrain and configuration. If anything is unclear, email sales@hilltopdieselperformance.com before ordering.
Where can I find shipping and return information?
Policy links are available in the site footer and checkout. Product-specific restrictions or core requirements are shown in the product description when applicable.