Product Overview

The fuel strainer, reference number H11K02, is a diesel fuel strainer with an integrated manual primer pump, featuring M14 x 1.5 ports and a clear inspection bowl. This is a Hengst-pattern part widely used across heavy and medium-duty commercial trucks and diesel engines, combining fuel filtration with a hand-operated priming function in one unit, which makes it a practical part for workshops that service a mix of truck brands.

Worn or failing units typically show up as difficulty priming the fuel system after maintenance, visible contamination or water in the clear inspection bowl, or diesel leaking from the primer pump or housing seals. GSK Auto manufactures this fuel strainer to OEM specification at our Ningbo, China facility, with every unit tested before packing. We supply at wholesale volume with low MOQ and support private label packaging, with our team available to confirm fitment before shipping.

Replacement OEM Numbers

Cross-Reference OEM Number

H11K01, 274200000, 44PMB0059HE

(Confirm against your engine model or chassis code before ordering - this is a Hengst-pattern part used across multiple truck brands and engine platforms, so it's worth double-checking the exact application before ordering at volume.)

What Is a Fuel Strainer with Primer Pump?

Function: The fuel strainer filters out contaminants from diesel fuel before it reaches the injection system, while the integrated manual primer pump allows air to be purged from the fuel lines by hand after maintenance or if the system runs dry.

Working Principle: Fuel passes through the strainer element inside the clear bowl, which captures debris and allows water to be visually inspected and drained, while the hand-operated plunger on top manually draws fuel through the system to purge trapped air and restore fuel flow.

Importance: On commercial diesel engines, trapped air in the fuel system prevents the injection pump from building proper pressure, so a functioning primer pump is essential for getting the engine running again quickly after routine fuel system service.

Common Failures & Signs: Clogged strainer element restricting fuel flow. Difficulty priming the fuel system after a filter change or fuel system service. Visible contamination, debris, or water buildup in the clear inspection bowl. Diesel fuel leaking from the primer pump or housing seals.

Key Features

OEM-standard fitment - matches factory port sizing (M14 x 1.5) and strainer dimensions for the H11K02 application.

Precision manufacturing - strainer element sized for effective contaminant capture without restricting fuel flow.

Long service life - built to handle repeated priming cycles and sustained commercial-duty use.

Excellent fitment - direct replacement, no modification required.

Corrosion resistance - housing construction resists diesel fuel and moisture exposure.

Reliable performance - consistent filtration and priming action matching factory specification.

Benefits

Importers - versatile part covering multiple commercial truck brands and engine platforms.

Wholesalers - steady demand from fleet and commercial truck maintenance markets.

Repair Shops - combined strainer and primer function reduces separate parts sourcing for fuel system service.

Distributors - private label packaging available for building a branded catalog.

Fleet Operators - reliable fuel system priming supports minimal downtime after service.

End Customers - protection against contaminated fuel and easier system bleeding.

Packaging & Shipping

Standard export packaging, sized for a strainer and primer pump assembly. Customized packaging available for distributor branding. OEM-style and private label printing on request. Container loading handled directly, with mixed-SKU consolidation for smaller orders. Worldwide shipping to Europe, North America, South America, the Middle East, Africa, and Southeast Asia.

Why Choose GSK Auto

GSK Auto manufactures factory-direct, keeping pricing tied to production cost. This fuel strainer is built to OEM specification and tested before packing. We support low MOQ, private label packaging, and worldwide shipping, with our technical team available to confirm fitment before you order.

Call to Action

Sourcing fuel strainers with manual primer pumps for commercial trucks? Contact GSK Auto for a wholesale quote, catalog, or OEM/private label cooperation.