Dorman Pressurized Coolant Reservoir 603-140 radial-seal-element Application notes: Official Fleetguard premium

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Dorman Pressurized Coolant Reservoir 603-140 radial-seal-element Application notes: Official Fleetguard premiumDorman Pressurized Coolant Reservoir 603 140 is a real heavy duty coolant reservoir or surge tank product for commercial truck cooling systems. Brand: Dorman Part number: 603 140 Product type: Reservoir tank surge tank Engine coolant reservoir listing. This component helps manage coolant expansion and return flow in pressurized cooling systems. Verify part number, cap style, ports, mounting points, and application compatibility before ordering.