133-5673 Oil-water Separator

133-5673 Oil-water Separator

This 133‑5673 (R120P) fuel‑water separator is a spin‑on diesel filter assembly fitted with a transparent water bowl and drain valve. With 30 μm filtration accuracy, it separates water and solid contaminants from diesel fuel. Specially designed for high‑pressure common‑rail heavy‑duty engines on excavators, wheel loaders and bulldozers, it pre‑removes moisture and impurities, minimizes fuel injector wear and failures, protects the entire fuel system, and performs reliably under harsh working conditions in mines and construction sites.
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Description
Part name Fuel oil-water separator
Part number 133-5673
Weight Approximately 0.79kg
Material Shell: Cold rolled steel plate; Filter element: high-efficiency composite filter paper; Water collection cup: Oil resistant transparent nylon; Sealing element: Oil resistant rubber sealing ring
Compatible models Excavator: 330C, 345B; Wheel loader: 988G; expandable to fit 988F, D9N, D9R, D10R and other construction machinery

 

 

 

Main Features

Spin‑on integrated structure with a transparent water bowl for intuitive water‑level observation. Fitted with a drain valve at the bottom for easy water draining.

High fuel‑water separation efficiency, 30 μm filtration accuracy. Designed for high‑pressure common‑rail electronic injection engines to protect the fuel injection system.

Diesel‑corrosion resistant with stable sealing performance. Simple to disassemble and maintain. Thread specification: 1‑14, offering great installation compatibility.

Large dirt‑holding capacity to extend filter service life. Anti‑vibration design, suitable for harsh construction‑site working conditions.

Applicable Scenarios

Diesel fuel filtration for heavy‑duty construction machinery including excavators, wheel loaders and bulldozers. Ideal for mining, infrastructure sites and field engineering equipment. Serves as pre‑filtration for heavy‑duty diesel engines to separate water and contaminants from diesel fuel and reduce wear and failure of fuel injectors.

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FAQ

 

 

Q1: Does this filter come with the water bowl and drain valve?

A1: Yes. Complete assembly including transparent water bowl and drain valve for water draining. No extra accessories needed.

 

Q2: What is the filtration accuracy?

A2: Filtration accuracy is 30 μm. Designed for high‑pressure common‑rail engines to separate water and impurities from diesel fuel.

 

 

Q3: How often should I replace this fuel water separator?

A3: Service cycle depends on fuel quality and working conditions. Normally replace every 200‑250 working hours. Drain water from the bowl regularly.

 

Q4: Can it work for harsh mining & construction site conditions?

A4: Yes. Anti‑vibration structure, dirt‑holding design, corrosion‑resistant materials for heavy‑load harsh site environments.

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