Quick Answer: AF2504 is a heavy duty panel air filter cross referenced with Fleetguard AF55309, Baldwin PA31001 and WIX WA10809.
| Jinguan model | AF2504 | AF55309 / PA31001 |
| OE reference | Hastings AF2504 Panel Air Filter |
| Filter type | Heavy duty panel / frame air filter |
| WIX WA10809 reference | Length 11.26 in, width 10.43 in, height 1.48 in |
| Baldwin PA31001 reference | 11 5/16 x 10 1/2 x 1 1/2 in |
| Supplier note | Some export listings show AF2504 in a round-filter context; confirm old sample before order |
Cross references are for identification only. Confirm final fitment by OE number, dimensions, filter photo or sample.
| Jinguan | Use AF2504 / AF55309 for quotation confirmation |
| Hastings | AF2504 |
| Fleetguard | AF55309 |
| Baldwin | PA31001 |
| Donaldson | P633484 |
| WIX | WA10809 |
| Cummins | 5261252 |
| Hyundai | 11Q910190 |
| Doosan | 40050400048 |
| Wirtgen | 2217026, 2217036 |
Send OE number, equipment model, old filter photo and quantity. Jinguan will confirm the right replacement before quotation.