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Weichai Water Outlet Pipe 61800040074 – OEM Replacement Coolant Tube for WP10, WP12 Diesel Engines
Ensure efficient engine cooling and prevent overheating with the genuine Weichai water outlet pipe (Part Number: 61800040074) — a critical component in the engine’s cooling system that connects the cylinder head to the radiator, allowing hot coolant to flow out and be cooled before recirculation. This durable Weichai engine part plays a vital role in maintaining optimal operating temperature for heavy-duty applications.
Parameter
Specification
Part Name
Engine Water Outlet Pipe (Coolant Discharge Tube)
OEM Part Number
61800040074
Brand
WEICHAI Genuine / OEM Quality Equivalent
Application
Connects cylinder head to radiator in cooling system
Compatible Engines
WP10, WP12, WP13 series
Material
Cast aluminum alloy or reinforced thermoplastic
Connection Type
Flange-mounted with bolt holes and gasket seal
Inlet/Outlet Diameter
Approx. Ø40mm – Ø50mm (standard for Weichai cooling systems)
Working Temperature
-40°C to +120°C
Pressure Rating
Up to 1.2 bar (meets OEM cooling system specs)
Weight
Approx. 2.1 kg
Package
1 x Water Outlet Pipe Unit
Warranty
12 months against manufacturing defects
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Before installing the Weichai water outlet pipe (61800040074), drain the coolant system completely. Clean both mating surfaces on the cylinder head and radiator hose to remove old gasket material or debris. Use a new gasket or apply a thin layer of high-temperature silicone sealant at the joints. Tighten mounting bolts evenly in a crisscross pattern to the recommended torque (typically 20–25 Nm). Refill the cooling system and bleed air from the highest point to avoid vapor lock.
