Reference
Guides
What we end up explaining on the phone most weeks, written down. Identifying an engine, reading a filter number, working out which variant of a part you need.
How to identify a Cummins engine before ordering parts
Where the dataplate sits, what the serial number and CPL tell you, and why the engine model on its own is not enough to order against.
Read thisCummins 6BT and 6CT: what actually differs
Two engines that look alike across a workshop and share almost no parts. What separates the 5.9 litre B series from the 8.3 litre C series, and where buyers go wrong.
Read thisReading a Fleetguard filter number
The letters in front of a Fleetguard number tell you what the filter does. What LF, FF, FS, AF, WF and HF mean, and why coolant filters are the ones most often skipped.
Read thisChoosing an AVR for a generator
What an automatic voltage regulator does, the three ways they fail, and why the AVR is matched to the alternator rather than to the engine.
Read thisWhat to send when the part number has worn away
Corroded castings, painted-over plates and rubbed-off labels are ordinary. What identifies a part when its number is gone, and what to photograph.
Read thisPart number index
Every number the catalogue covers, in one list. Search it, or scan it to see whether a number you have been given is one we stock.
Look up a number