Waste Vegetable Oil Conversion for Diesel Bus

Step 5 The Engine Compartment

It's a stock diesel engine, stock injector pump, stock injectors, the same as when it was bussing kids to school.
A bunch of additional plumbing has been added to heat and filter the veggie oil.
The next few steps will explain in more detail the function each add-on part.

Heated fuel line
starting fuel pump
Heated screen filters
heated final filters
temperature sensor
various hot hoses.