Name: Oil Filter Product WEICHAI Original factory
Brand: SINOTRUK INTERNATIONAL CO., LTD.
Price: 260.00 USD
Availability: InStock

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Oil Filter Product WEICHAI Original factory

Product Details:

Place of Origin:	China
Brand Name:	SINOTRUK SITRAK
Certification:	ISO/3C/BV/IFA/SGS

Payment & Shipping Terms:

Minimum Order Quantity:	1Unit
Price:	Negotiation
Packaging Details:	Waxing in Bulk ship, Roro ship, Container
Delivery Time:	5 working days
Payment Terms:	T/T
Supply Ability:	3,000 units per month

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Detailed Product Description

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Weichai original oil filter

Truck oil filter with warranty

Weichai factory truck spare parts

Oil Filter Product WEICHAI Original factory

Product Overview

This spin‑on engine oil filter is a critical maintenance component specially engineered for heavy‑duty commercial vehicles, construction machinery and industrial diesel engines. Designed to remove solid contaminants including metal particles, carbon deposits, dust and sludge from circulating engine oil, it effectively keeps lubrication oil clean, reduces abrasive wear on moving engine parts and extends the overall service life of engines. Built to meet international aftermarket quality standards, this oil filter delivers stable filtering performance under harsh working conditions such as high temperature, heavy‑load operation, frequent start‑stop cycles and dusty mining sites, which are widely encountered in global engineering and transportation industries.

Core Structure & Working Principle

Adopting a full spin‑on integrated structure, the whole filter unit can be directly replaced during routine service without complicated disassembly operations. The main housing is made of high‑strength stamped steel plate, featuring excellent pressure‑resistance and anti‑deformation capacity. It can withstand oil pressure fluctuation inside the lubrication system and avoid housing bulge or crack under sudden pressure spikes.

Inside the steel housing lies high‑density multi‑layer filter media. The composite filter paper forms deep‑depth filtration channels, which can trap fine impurities step‑by‑step. Larger dirt particles are intercepted on the outer layer, while tiny fine particles are captured by inner fine‑fiber layers, balancing high dirt‑holding capacity and reliable filtering efficiency. A heavy‑duty anti‑drain‑back valve is installed inside the filter. When the engine stops running, this valve closes tightly to prevent engine oil from flowing backward out of the filter housing. It maintains oil pressure inside lubrication passages, guarantees instant oil supply at the next engine startup and avoids dry friction damage to crankshaft, camshaft and bearing components during cold start.

A built‑in bypass relief valve serves as an important safety protection mechanism. In cold‑weather startup or when filter media is fully loaded with contaminants, oil viscosity rises and filter resistance increases sharply. If normal oil flow through filter paper is blocked, the bypass valve will open in time. Engine oil will directly pass through the valve to lubricate key engine components, preventing engine damage caused by oil supply shortage, even though the oil is not fully filtered temporarily. The rubber sealing gasket adopts high‑temperature resistant nitrile rubber material. It maintains good elasticity under long‑term contact with hot engine oil, effectively preventing oil leakage at the installation joint surface. Precise‑machined central mounting hole ensures accurate alignment with engine filter base for quick and firm installation.

Key Performance Advantages

Superior Filtration Efficiency: Multi‑layer composite filter medium captures fine impurities, lowers abrasive wear of piston, cylinder liner and bearing sets, helping engines maintain stable power output.
Large Dirt Holding Capacity: Optimized filter‑paper folding design stores large volume of contaminants, extending service intervals and cutting down maintenance frequency for fleet customers.
High Pressure & Temperature Resistance: Robust metal shell adapts to the severe working environment of heavy‑duty diesel engines, resisting deformation and oil leakage under high working temperature and oil pressure.
Complete Safety Valve System: Equipped with anti‑drain‑back valve and bypass relief valve for dual‑protection, effectively protecting engine under cold start, heavy load and filter‑blocking emergency conditions.
Easy Installation & Replacement: Spin‑on whole‑unit replacement design simplifies daily maintenance work, saving labor time for repair shops and vehicle fleets.
Strict Quality Control: Every finished filter goes through pressure‑resistance test, leakage inspection and filtering‑performance test before leaving factory, to guarantee consistent product quality for global aftermarket customers.

Application Scope

This oil filter fits multiple heavy‑duty diesel engines for trucks, dump trucks, mixer trucks, excavators and other construction machinery. It is widely supplied to Africa, Latin America, Southeast Asia and other overseas markets. It is an essential regular‑consumption spare part for vehicle fleets, machinery rental companies and local repair workshops.

Installation & Reminder

Replace the oil filter together with engine oil during each maintenance cycle. Before installation, coat a thin layer of clean engine oil on the rubber gasket. Screw the filter by hand until gasket contacts mounting surface, then turn it for 3/4 to 1 full turn. Do not use excessive force with tools to avoid thread damage or gasket deformation. After startup, check the joint position for oil leakage. Stop operation and replace the filter immediately once oil seepage occurs.

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Contact Person: Mr. Aaron

Tel: +86-13210598479

Fax: 86-531-85865823

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Oil Filter Product WEICHAI Original factory

Oil Filter Product WEICHAI Original factory

Weichai original oil filter

Truck oil filter with warranty

Weichai factory truck spare parts

Oil Filter Product WEICHAI Original factory

Product Overview

Core Structure & Working Principle

Key Performance Advantages

Application Scope

Installation & Reminder

replacement parts for trucks,

truck parts and accessories,

heavy duty truck parts