Carter WDO Carburetor Manual – 1938 & Earlier
Carter WDO Carburetor Manual – 1939 & Later
WDO Instruction Sheet – This is the sheet that is included with our carburetor kit.
WDO Identification – When a carburetor number is missing, try matching the casting number. The casting number can be found on the face of the flange. Please note that a casting number can match to more than one carburetor number.
Casting Number |
Carburetor Number |
164 | 366S |
170 | 373S |
148 | 402S |
225 | 419S-440S |
227 | 448S |
295 | 458S |
306 | 469S |
311 | 474S |
327 | 478S |
342 | 480S 503S |
377 | 506S |
360 | 511S |
371 | 512S |
377 | 531S |
564 | 531SA |
306 | 540S-548S |
377 | 643S |
561 | 643SA |
561 | 644S |
561 | 644SA |
542 | 647S-647SA |
540 | 650S 650SA |