Technical Library
Field Notes.From the Bench.
Maintenance procedures, part comparisons, and fitment documentation for Class 8 fleets, written from the parts Bushido Performance designs and manufactures.
5 articlesKenworth, Peterbilt, FreightlinerUpdated September 2026
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2026
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5 articles
22-74370-000 vs 22-73952-000: Why Cascadia Cab Extender Brackets Come Loose
How to tell the two Freightliner Cascadia cab extender brackets apart, why the sleeper wall nutserts work loose, what an open gap costs in fuel, and...
12 min read
Kenworth T680 Fairing Brackets: How They Fail and How to Catch It
The lower fairing goes out of level months before it falls off. The five stages, the three failure mechanisms, the repair, and what to avoid buying.
27 min read
A33‑1266‑100 vs A33‑1266‑100BP: The Last T680 Fairing Bracket Holding the Panel
Why the A33-1266-100 understep reinforcement is the last one holding a failing panel, what the OEM part is made of, the design changes that address it,...
9 min read
A33‑1268 vs A33‑1268BP: Where the Narrow T680 Fairing Bracket Breaks
A documented failure point on the OEM bracket, the design changes that address it, pricing, fitment and when the OEM part is the appropriate choice.
8 min read
Accidental Reefer Shutoffs: The Carrier APX Display Switch and How to Protect It
What the run switch on a Carrier APX display does, why it gets moved by accident, what a guard over it has to achieve dimensionally, and...
13 min readNo articles match this filter.
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