C 2500 3/4 Ton Pickup 2WD V8-379 6.2L DSL VIN C FI (1982)
FIGURE 2. VITON ACCELERATOR PUMPS
Viton service replacement pumps are identified as H.D. (Heavy Duty) in the parts book and are shown in Figure 2.
Applications are as follows:
Red lip (with garter spring)
Machined well only (MW)
Blue, thin lip
Non-machined well only
Dual and quadrajet pump part numbers:
Red lip (with garter spring)
17072978
Blue thin lip
See parts list
PUMP ASSEMBLIES USED IN DUALJET AND QUADRAJET
CHEVROLET APPLICATIONS
1975 - 1983
ORIGINAL ASSEMBLY
REPLACEMENT ASSEMBLY
07048874
17074108
17051117
17074109
17051374
17074104
17054773
17074111
17054791
17074112
17061752
17074114
17062731
17074115
17064155
17074117
17064156
17074118
17071169
17074119
1975 - 1978 Chevrolet
CARB NUMBER
REPLACEMENT PUMP ASSY.
1975 CHEVROLET
07045200
17074104
07045220
17074104