154390-3700 ZEXEL 9 421 614 285 BOSCH GASKET 9421614285 1543903700 1157792200

Table 1
Part Number Part Description Qty
378-3187 Diesel Exhaust Fluid Filter Gp 1
423-3251 Connector 1
391-5262 Gasket 1
425-0385 Filter As 1
452-6055 Filter Base As 1
453-1604(1) Diesel Exhaust Fluid Filter Gp 1
453-1605(1) Diesel Exhaust Fluid Filter Gp 1
453-1606(1) Diesel Exhaust Fluid Filter Gp 1
(1) Use Table 2 to choose the correct part that corresponds to the DEF heater
Table 2
DEF Heater Part Number Required DEF Filter
434-3241 453-1604
434-3242 453-1605
434-3243 453-1606 The effective serial numbers for this change are related to the Pump Electronic Tank Unit (PETU) serial numbers and not the engine serial numbers. Table 3 contains the effective serial numbers for the PETU tank. Refer to illustration 1 and illustration 2 for examples of where to locate the PETU serial number.
Illustration 1 g06018843
Typical example
(1) The location of the PETU serial plate.
Illustration 2 g03418749
Typical example
Table 3
PETU Effective Serial Numbers
S/N:PET007086T-UP Refer to Special Instruction, M0066142, A New Diesel Exhaust Fluid Filter is Now Available for C7.1 Engines for installation instructions.