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We have extensive experience serving customers in South America, the Middle East, Africa, and Central Asia, supplying truck parts, trailer parts, and customized OEM solutions.

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We cooperate directly with authorized manufacturers and OEM factories. With strong supply chain resources and export experience, we provide one-stop procurement solutions for heavy truck and trailer spare parts.

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Jinan Wopu Auto Parts Co., Ltd. is a professional supplier of heavy truck parts and trailer components in China. We specialize in chassis parts, truck axle assemblies, trailer axle assemblies, engine assemblies, transmission assemblies, and spare parts for SINOTRUK, SHACMAN, FAW, FOTON, HONGYAN, and Beijing Benz trucks.

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LOCATION : Home - Products - Other Truck Parts - BEIBEN NG80 - 5065000503 Expansion Tank for Mercedes-Benz NG SK & Beiben NG80 Truck Cooling System

5065000503 Expansion Tank for Mercedes-Benz NG SK & Beiben NG80 Truck Cooling System

✔ Truck Expansion Tank / Coolant Reservoir
✔ OEM Part Number: 5065000503
✔ Compatible with Mercedes-Benz NG Series
✔ Compatible with Mercedes-Benz SK Series
✔ Compatible with Beiben NG80 Heavy Trucks
✔ Designed for Truck Engine Cooling Systems
✔ Maintains Stable Coolant Level and Pressure
✔ High Temperature Resistant Material
✔ Excellent Sealing Performance and Leak Prevention
✔ Durable Structure for Heavy-Duty Applications
✔ OEM Standard Direct Replacement Component

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Product Description

Product Introduction

The 5065000503 Expansion Tank is an important cooling system component used in Mercedes-Benz NG, SK series and Beiben NG80 trucks. Installed in the engine cooling circuit, it stores additional coolant and compensates for coolant expansion and contraction during engine operation, helping maintain proper cooling system performance.

Manufactured according to OEM specifications, this expansion tank features accurate mounting dimensions, durable plastic construction, and reliable sealing performance. It is designed for high-temperature environments, engine vibration conditions, and long-term commercial truck working conditions.

Technical Specifications

Item	Specification
Product Name	Expansion Tank / Coolant Reservoir
OEM Part Number	5065000503
Vehicle Brand	Mercedes-Benz / Beiben
Compatible Models	NG / SK / NG80
System	Engine Cooling System
Component Type	Coolant Storage and Pressure Compensation Tank
Position	Engine Cooling Circuit
Material	High Temperature Resistant Plastic
Manufacturing Process	Injection Molding + Assembly
Function	Stores Coolant and Maintains Cooling System Pressure
Working Medium	Engine Coolant
Features	Heat Resistance, Leak Prevention, Stable Performance
Condition	Brand New
OEM Standard	Yes
Quality Test	Pressure Test / Leakage Test / Dimension Test / Fitment Test
Installation	OEM Direct Replacement
Packaging	Export Standard Packaging
Origin	China

Vehicle Fitment

Vehicle Brand	Compatible Models
Mercedes-Benz	NG Series
Mercedes-Benz	SK Series
Beiben	NG80

Payment & Shipping

Category	Options
Payment Methods	T/T, PayPal, Western Union, MoneyGram, L/C, Alibaba Trade Assurance
Shipping Methods	DHL, FedEx, UPS, TNT
Delivery Time	3–7 Days (Express), 20–45 Days (Sea Freight)
Trade Terms	EXW, FOB, CIF, CFR, DDP
Shipping Scope	Worldwide Shipping

Related Products Categories

Engine Parts System

Section/System	Common Spare Parts
Cylinder Block & Cylinder Head	Cylinder Block, Cylinder Head, Cylinder Liner, Piston, Piston Ring, Cylinder Head Gasket
Crankshaft System	Crankshaft, Connecting Rod, Bearing, Thrust Washer
Valve Train	Intake Valve, Exhaust Valve, Camshaft, Rocker Arm, Valve Spring
Fuel System	Injector, Fuel Pump, Fuel Filter
Cooling System	Water Pump, Thermostat, Radiator
Lubrication System	Oil Pump, Oil Cooler

Transmission & Drivetrain Parts

Section/System	Common Spare Parts
Clutch System	Clutch Disc, Pressure Plate, Release Bearing, Clutch Master Cylinder, Clutch Booster Cylinder
Gearbox System	Gearbox Assembly, Gear Set, Bearing, Seal
Differential System	Differential Assembly, Crown Wheel & Pinion, Differential Bearing
Driveshaft System	Propeller Shaft, Universal Joint, Drive Shaft Center Bearing, Flange Fork, Slip Yoke, Center Support
Axle System	Axle Shaft, Wheel Hub, Planetary Gear, Side Gear

Chassis & Suspension Parts

Section/System	Common Spare Parts
Front Axle	Steering Knuckle, Kingpin Kit, Tie Rod, Wheel Hub
Rear Axle	Axle Housing, Hub, Differential Housing
Suspension System	Leaf Spring, Leaf Spring Bracket, Leaf Spring Seat, Torque Rod, Balance Shaft, Spring Shackle, Suspension Saddle, Shock Absorber, U-bolt
Steering System	Steering Gearbox, Drag Link, Steering Pump
Brake System	Brake Drum, Brake Shoe, Brake Chamber, Brake Valve, Slack Adjuster, Air Dryer, Air Hose

Cabin & Body Parts

Section/System	Common Spare Parts
Cabin Assembly	Cabin Body, Mounting, Door Lock, Door Handle, Door Hinge
Electrical System	Relay, Signal Lamp, Combination Instrument, Tachometer, Speedometer, Headlamp, Tail Lamp, Wiring Harness
Interior	Dashboard, Switch Panel, Instrument Cluster
Exterior	Bumper, Grille, Fender, Step