{"product_id":"rt1073be-coolant-reservoir-a0525263005","title":"Coolant Reservoir \/ Surge Tank \/ with caps \u0026 sensors 575.1073BE or A0525263005","description":"\u003cp\u003eThe rTech Black Label RT1073BE Coolant Reservoir is a heavy-duty replacement designed for compatible Freightliner and related commercial vehicle cooling systems.\u003c\/p\u003e\n\u003cp\u003eBuilt from durable molded polymer, the RT1073BE provides the reservoir body, mounting layout, and hose connection points required for compatible installations while supporting normal coolant expansion and recovery within the cooling system.\u003c\/p\u003e\n\u003cp\u003eThis reservoir family is widely used across select Freightliner and Western Star applications and is designed for demanding commercial fleet service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for uptime. Built for serious trucks.\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003cstrong\u003eFeatures \u0026amp; Benefits\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-duty molded polymer reservoir\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible Freightliner and related applications\u003c\/li\u003e\n\u003cli\u003eVehicle-specific mounting layout\u003c\/li\u003e\n\u003cli\u003eSupports normal coolant expansion and recovery\u003c\/li\u003e\n\u003cli\u003eDurable construction for under-hood commercial vehicle environments\u003c\/li\u003e\n\u003cli\u003eDesigned for straightforward replacement\u003c\/li\u003e\n\u003cli\u003eFleet-approved Black Label quality \u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003erTech Product Specifications\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003erTech Part Number: RT1073BE\u003c\/li\u003e\n\u003cli\u003eProduct Type: Pressurized Coolant Reservoir \/ Surge Tank\u003c\/li\u003e\n\u003cli\u003eMaterial: Molded Polymer\u003c\/li\u003e\n\u003cli\u003eInstallation: Vehicle-Specific\u003c\/li\u003e\n\u003cli\u003eSeries: rTech Black Label \u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf your actual RT1073BE assembly includes two caps and a sensor, we can add that once your supplier confirms those components are included in every unit.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eDesigned as an aftermarket replacement for compatible Freightliner and related cooling-system applications.\u003c\/p\u003e\n\u003cp\u003eCurrent application data for the 603-5203 \/ A0525263005 family includes select:\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003eFreightliner Century Class\u003c\/li\u003e\n\u003cli\u003eFreightliner Columbia\u003c\/li\u003e\n\u003cli\u003eFreightliner Coronado\u003c\/li\u003e\n\u003cli\u003eFreightliner M2 112\u003c\/li\u003e\n\u003cli\u003eFreightliner M2 106\u003c\/li\u003e\n\u003cli\u003eWestern Star 5700XE \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCurrent catalogs also identify Automann 575.1073 \/ 575.1073BE within this family. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCooling-system configurations can vary by chassis, engine, model year, and reservoir assembly. Verify fitment by VIN before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003cstrong\u003eDirect Cross References\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003erTech Black Label: RT1073BE\u003c\/li\u003e\n\u003cli\u003eAutomann: 575.1073BE\u003c\/li\u003e\n\u003cli\u003eAutomann: 575.1073\u003c\/li\u003e\n\u003cli\u003eFreightliner: A0525263003\u003c\/li\u003e\n\u003cli\u003eFreightliner: A0525263005\u003c\/li\u003e\n\u003cli\u003eFreightliner: A0525263006\u003c\/li\u003e\n\u003cli\u003eFreightliner: A0525263007\u003c\/li\u003e\n\u003cli\u003eFreightliner: A0533118000\u003c\/li\u003e\n\u003cli\u003eDorman: 603-5203\u003c\/li\u003e\n\u003cli\u003eDorman: 6035203\u003c\/li\u003e\n\u003cli\u003eNewstar: S-22069\u003c\/li\u003e\n\u003cli\u003eNewstar: S-28934\u003c\/li\u003e\n\u003cli\u003eSampa: 502.922\u003c\/li\u003e\n\u003cli\u003eWorld American: WA1950000\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDorman directly lists A0525263003, A0525263005, A0525263006, A0525263007, A0533118000, and 376793011 as OE crosses for 603-5203. \u003c\/p\u003e\n\u003cp\u003eCross-reference numbers and manufacturer names are provided for identification and fitment purposes only. All trademarks are the property of their respective owners. rTech Black Label products are independent aftermarket replacement parts and are not manufactured, sponsored, endorsed, or approved by the referenced manufacturers. Always verify fitment before installation.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eWhy the Coolant Reservoir Matters\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe coolant reservoir provides space for coolant expansion and recovery as engine temperature changes.\u003c\/p\u003e\n\u003cp\u003eA cracked, damaged, or leaking reservoir can contribute to:\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCoolant loss\u003c\/li\u003e\n\u003cli\u003eAir entering the cooling system\u003c\/li\u003e\n\u003cli\u003eReduced coolant reserve\u003c\/li\u003e\n\u003cli\u003eCooling-system leaks\u003c\/li\u003e\n\u003cli\u003eIncreased risk of overheating if coolant loss continues \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor commercial fleets, replacing a compromised reservoir before it causes a larger cooling-system issue can help prevent avoidable downtime.\u003c\/p\u003e","brand":"rTech HDR INC.","offers":[{"title":"Default Title","offer_id":52265889136941,"sku":null,"price":474.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/3463\/0701\/files\/575.1073BEfront_2593c0fe-f06b-4d34-a272-75b0c710da74.jpg?v=1785323229","url":"https:\/\/parts.rtechhdr.ca\/products\/rt1073be-coolant-reservoir-a0525263005","provider":"rTech HDR INC.","version":"1.0","type":"link"}