Radiator Hose for Mercedes-Benz OEM 2045019682

Product Overview

A Radiator Hose for Mercedes-Benz vehicles, held against OEM 045019682 and 2045019682. In service the part carries coolant between the engine outlet and the radiator on the upper and lower legs of the loop. This part carries coolant between the engine outlet and the radiator on the upper and lower legs of the loop. The failure modes that bring it across a parts counter are ballooning under pressure and hardened ends that will not re-seal after removal, reported as overheating on long runs, pressure loss in the expansion tank and visible coolant traces. Hunan Woojin Autoparts supplies it from a cooling-system range of more than 4000 types covering German, French, Japanese, American and Korean vehicles.

Key Benefits

• Consolidate the platform in one order — Hoses, flanges and thermostat housings for the same platform ship on one pallet, which shortens the paperwork and the freight bill.
• Tooling route for obsolete references — Where the reference is out of production, we develop the mould from the sample you supply rather than turning the enquiry away.
• Checked on the features that matter — Inspection concentrates on the overall developed length, the bend sequence and the branch positions — the dimensions that put a part back in the box if they are wrong.
• Matched to how the part actually fails — Ballooning under pressure and hardened ends that will not re-seal after removal are the reasons this reference is bought, so those are the features checked before packing.

Application Scenarios

Scheduled cooling-system overhaul

The vehicle is in for a coolant leak and the workshop replaces the whole branch at once rather than chasing the next failure in a month. For 045019682 the practical step is confirming the overall developed length, the bend sequence and the branch positions before the order is placed.

Warranty-expired fleet maintenance

A fleet past dealer coverage moves to independent supply and needs the same reference coverage at a working price. On this reference that means quoting 045019682 with the quantity and letting the packing follow.

Counter stock for a busy platform

Mercedes-Benz volume in the region justifies holding the line on the shelf instead of ordering it in per job. With 045019682 on the list the rest of the main cooling loop can be priced at the same time.

Who It Is For

• Fleet and bus operators — running Mercedes-Benz vehicles past warranty and buying cooling-system parts by the box to keep downtime short. What they need from 045019682 is that it fits the Mercedes-Benz on the ramp today.
• Radiator and cooling specialists — rebuilding cooling systems and sourcing the hoses, flanges and housings for a platform in one go. What they need from 045019682 is that it fits the Mercedes-Benz on the ramp today.
• Exporters and consolidators — shipping mixed cooling-system pallets into Europe, the Middle East and South America. 045019682 earns its shelf space through repeat demand on Mercedes-Benz platforms.

Problems It Solves

Unclear compound

EPDM hardens once it has been heat-cycled past its service window, so a replacement that has sat in a hot warehouse for years is not a bargain. On 045019682 that is settled before the quotation goes out.

Reference mismatch

Visually identical parts carry different connector geometry between model years. Quoting OEM 045019682 and 2045019682 fixes the identity before money moves. With 045019682 the check is the overall developed length, the bend sequence and the branch positions, and it happens before despatch.

Split ordering

Sourcing one hose from one supplier and the matching flange from another doubles the freight and the paperwork for the same repair. For Mercedes-Benz buyers it is the difference between a stocked line and a credit note on 045019682.

Technical Features

The part serves the main cooling loop and carries coolant between the engine outlet and the radiator on the upper and lower legs of the loop. It is moulded in EPDM rubber, chosen because EPDM keeps its elasticity through repeated heat cycles and resists ozone, water and weathering, which makes it the workhorse wall compound for moulded engine-bay lines.

Specified where the part has to stay flexible over thousands of heat cycles rather than hold a fixed shape. EPDM hardens once it has been heat-cycled past its service window, so a replacement that has sat in a hot warehouse for years is not a bargain.

Specifications

Values marked TBC are not stated on the source catalogue. They are confirmed in writing on the quotation rather than estimated here.

Comparison With the Alternatives

Use Guide

1. Confirm the reference

   Match OEM 045019682 and 2045019682 against the number on the part you removed. Do not match on outline alone.

2. Check the interfaces

   Compare the overall developed length, the bend sequence and the branch positions before the vehicle is stripped further.

3. Inspect on arrival

   Look for transit damage on sealing faces and connectors. EPDM hardens once it has been heat-cycled past its service window, so a replacement that has sat in a hot warehouse for years is not a bargain.

4. Fit with the original clamp style

   Reuse the clamp type the Mercedes-Benz platform was designed around, and fit any seal or O-ring supplied with 045019682 rather than carrying the old one over.

5. Pressure check before handover

   Refill, bleed the circuit and check for ballooning under pressure at working temperature before the vehicle leaves.