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  7. Rochester 2 Barrel Carburetor Accelerator Pump 3/4 x 2.515 - AP421
Rochester 2 Barrel Carburetor Accelerator Pump 3/4 x 2.515 - AP421
Rochester Accelerator Pump 3/4 x 2.515 - AP421

Rochester 2 Barrel Carburetor Accelerator Pump 3/4 x 2.515 - AP421

4 Review(s)
Your Price: $12.95
3/4 D x 2.515 OL
Part Number: AP421
Availability: In Stock

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Rochester 2G 2GC 2 Jet, 2 barrel carburetor accelerator pump.

Designed for today's gasoline. New, currently being produced. Size 3/4" cup, 2.515 overall length. Includes the delayer spring (over the pump) as illustrated in the photo.

FEATURES:

 

Ethanol Ready
Meets or Exceeds Manufactures Specs
US Made
OE Fitment
Delayer Spring

SPECS:

 

TECHNICAL:

Apply a small dab of lithium white grease to the cup before installing. Polish the well with crocus cloth, or 2000+ grit sandpaper to provide a smooth glide. Today's gas has very little lubricant.

 
Note: Even the best cups will fail if the ethanol is in high enough concentration. Using Ethanol Defense will be helpful.
 
Carefully insert the pump being careful not to fold the rubber cup.
 
APPLICATIONS:
You must match your carburetor number to get the correct part.
MAKE
YEAR
MODEL
BUICK
1970-74
350" 5.7L, 455" 7.5L (Inc Repl Carbs)
CHECKER
1969-70
327, 350 (inc VAC GOV)
CHEVROLET
1966-70
327, 350, 396, 400
CHEVROLET/GMC TRUCK
1969-70
350
JEEP/WILLYS
1970-71
350”
OLDSMOBILE
1969-73
350, 400, 455
PONTIAC
1970
350, 400 (CANADA)
CARBURETOR NUMBERS:
17051992
17051993
17054601
17054602
17054603
17054604
17054611
17054623
17054625
17054633
17054634
17054650
17054651
17054653
17054665
17055003
17055004
17055015
17057350
17057351
17057361
17058362
17058363
17058364
17058365
17065023
17065024
17065201
17065268
17065269
17065270
7016909
7016913
7016915
7016924
7016956
7029102
7029104
7029113
7029114
7029115
7029116
7029117
7029118
7029119
7029120
7029121
7029123
7029124
7029127
7029129
7029155
7029156
7029158
7029159
7040102
7040104
7040113
7040114
7040115
7040116
7040117
7040118
7040119
7040120
7040123
7040124
7040126
7040127
7040128
7040129
7040134
7040136
7040142
7040143
7040148
7040154
7040155
7040156
7040159
7040402
7040404
7040413
7040414
7040415
7040416
7040417
7040418
7040419
7040420
7040426
7040427
7040428
7040429
7040434
7040436
7040444
7040446
7040482
7040484
7041142
7041143
7041155
7041156
7041159
7041184
7041343
7041346
7041349
7041350
7041442
7041774
7042142
7042143
7042155
7042156
7042842
7043142
7043143
7043144
7043152
7043154
7043158
7044141
7044142
7044144
7044442
7044444
7046574
7046750
7046918
7046919
7046928
7047016
7047019
7047043
7047059
7047144
7047156
7047159
7047242
7047243
7047343
7047441
7047442
7047445
7047446
7047447

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