Water Pump ID
331 . . . . 1951-1954 . . . . . . 1323362
aftermarket/replacement 331 pumps may be marked as 30141
and rebuilders often identify these as part number W1226
The passenger style is on the left and a truck pump is on the right:
354 . . . . 1955-1956 . . . . . . 1635386
392 . . . . 1957-1958 . . . . . . 1671893
The 392 pump is on the right, a Dodge 315-325 pump is on the left.
Although they look similar they do not interchange.
Note the slight difference in bolt positions, the 'top' mark and
the contour at the bottom.
DeSoto Pumps are interchangeable. Variations in housing design and
impellar design change with model year and application. It is best to
match a replacement to the original.
Pump #1401674 is on the left; pump number #1638379 is on the right.
Aftermarket/replacement pumps may be marked as PH135
Dodge 241-260-270 . . 1954-1956
Casting numbers 1632316 and 1632835
Rebuilders often identify these as part number W1283
241-260-270 . . 1954-1958 truck , casting #1328835, 1484437
----truck pump photo to come-----
315-325 . . . . 1956-1957-1958 . . 1673781
Aftermarket/replacement pumps may be marked as 30227
See photo above.