I believe the K&N air filter is the same for both the Hilux 3.0 D4d (1KD-FTV 3.0 D4D) and the Ford Ranger (TDCI versions - 16V DOCH 2.5 WLC & 3.0 WEC - check the air-box, it should be the round shaped box, the older WLT is the square shaped box)
Get the CORRECT filter for your vehicle. Some filters are interchangeable, eg. the 3.0L D4D hilux uses the same filter as the Ranger & BT-50 (Part # E2296)
Use the
K&N Parts search tool to find what filter fits your vehicle.
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Here's the filter for your Hilux Vigo 3.0 D4d...
and if you want to read more about K&N, check
this post here...