EE 303 Oil Filter

EE-303 High-Efficiency Oil Filter

Ensure your engine stays protected with the EE-303 Oil Filter. This high-performance filter element is specifically designed to meet the rigorous demands of Isuzu diesel engines and heavy-duty machinery. By utilizing advanced filtration media and a reinforced metal end-cap design, the EE-303 effectively removes soot, carbon, and metallic particles, preventing premature engine wear and maintaining oil viscosity.

Key Features:

  • Superior Filtration: High-density pleated media captures microscopic contaminants.

  • Heavy-Duty Build: Features metal end caps for structural integrity under high pressure.

  • Full-Flow Design: Ensures consistent oil delivery to critical engine components even during cold starts.

  • Verified OEM Replacement: Direct interchange for Isuzu part number 9-88511194-0.


Verified Cross-Reference Guide

The EE-303 is a direct replacement for several major OEM and aftermarket part numbers. These have been verified for fitment and performance parity:

Manufacturer

Part Number

Isuzu (OEM)

9-88511194-0, 9-88511194-2, 5-87810239-0

Fleetguard

LF3428

Sakura

O-1503

Wix

51238 / WL7307

Donaldson

P550015

Mann-Filter

W921/80

Baldwin

P7050 / P64C

JS Asakashi

O504J

Filtron

OP636/1


Vehicle & Engine Applications

This filter is widely used in Isuzu’s legendary diesel engine line, particularly the 4B Series.

  • Isuzu Trucks: NPR, NQR, and KS Series (specifically 3.9L engines).

  • Isuzu SUVs/Pickups: Older models of the Trooper (Bighorn), KB Pickup, and Faster (2.2L & 2.5L Diesel).1

  • Industrial/Construction: Widely found in Hitachi Excavators (UH053, UH041) and other machinery powered by Isuzu 4BD1, 4BB1, and 6BB1 engines.

  • Other Brands: Certain models of Opel Campo and Vauxhall Brava (Diesel variants).2

Technical Specifications:

  • Type: Filter Insert (Element)

  • Outer Diameter: 84mm – 85mm

  • Height: 143mm – 146mm3

  • Inner Diameter: 16mm – 17mm

Maintenance Tip: To maximize engine life, replace your oil filter every 10,000 km (6,000 miles) or as recommended by your equipment manufacturer. For heavy industrial use, shorter intervals are advised.