Front Vacuum Harness for 1988-1990 Jeep Cherokee & More - Dorman 46003

Swap out a heat-worn, failing vacuum harness with this Dorman vacuum harness, part number 46003, a front-position replacement for the 1988-1990 Jeep Cherokee, 1988-1990 Jeep Comanche and 1988-1990 Jeep Wagoneer. A vacuum harness routes engine vacuum through its lines to the vacuum-operated components that depend on it. This Dorman - HELP harness is designed to fit and work like the original harness on the listed applications and is engineered for durability and reliable performance.

• Direct replacement: designed to fit and work like the original harness on the listed vehicles.
• Replaces a failed harness: a dependable choice when the original harness has given out from heat and fatigue.
• Durable construction: built from quality materials for reliable performance and long service life.
• Trustworthy quality: supported by a U.S.-based team of product experts and more than a century of automotive experience.

Signs a vacuum harness may need replacing include cracked, hardened or split lines, a hissing sound under the hood, or vacuum-operated components that no longer work as they should. Vacuum leaks can have other sources, so diagnose the cause before replacing. If a failed harness is the cause, this one replaces it. See the "Vehicles it fits" section for engine details on each application.

Interchange: 53004838