Just got back from Alaska and rolled my van out of storage. Since I had only purchased it a few hours prior to heading North for work back in May, I've spent the last couple of days rolling around on the concrete under the rig looking around and getting to "know" my new toy.

Can someone identify the white reservoir nestled around the air cleaner element housing. Here are a few pics from above and below.

Also, I'm somewhat blind without a manual. Can anyone pass along a reliable and current link to purchase one? (in English)
I have a 1989 JDM Diesel 4x4 Hiace with the 3L motor. The production date is 10/1989 so it's the newer body style. Frame: LH 107G

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