63 Impala Pedal Assembly
1963-64 Chevrolet Passenger Car Pedal Assembly
3839815
4.648 BRACKET ASSY., brake pedal
63 Pass. (Assembly Manual)
64 Pass.
3798255
4.625 PEDAL ASSY., Brake
63 Pass. (Assembly Manual)
63-64 Pass. (exc. P.G.)
3798256 (4)
4.626 BUSHING, Brake pedal
63 Pass. (Assembly Manual)
63-64 Pass.
3815814
4.827 SPRING, Brake pedal return
63 Pass. STD. brakes (Assembly Manual)
64 Pass. STD. brakes - pull back
3830966
4.626 BUSHING, Brake pedal return spring
63 Pass. (Assembly Manual)
63-64 Pass.(exc. P.B.)
3723230
4.625 BUMPER, Brake pedal
63 Pass. (Assembly Manual)
64 (exc. P.B.)
3744748
4.630 COVER, Brake pedal pad
63-64 Pass. (exc. P.B.)
3746701
4.630 COVER, Brake pedal pad
63 Pass. (with P.B.) (Assembly Manual)
63-64 Pass. (with P.B.)

3747276
4.630 COVER, Parking brake (rubber)
63-64 Pass.

3817879
4.662 PIN, Clevis, brake main cylinder
63 Pass. (Assembly Manual)
64 Pass.

3817880
4.662 RETAINER, Clevis pin, brake main cylinder
63 Pass. (Assembly Manual)
64 Pass.

104038/124925/3779974
3711957
4.625 CLEVIS, Brake pedal to brake main cylinder
63 Pass. (Option) (Assembly Manual)
64 Pass.
104038
4.625 CLEVIS, Brake pedal to brake main cylinder
(3/8"-24 x 2 1/2")
63 Pass. (Assembly Manual)
3779974
4.658 ROD, (5 7/8" O.L.)
63-64 Pass. (exc. P.B.)
3779973
4.658 ROD, (5 9/16" O.L.)
63 Pass. (Assembly Manual w/P.B.)
64 Pass. (w/P.B.)

124925
8.916 NUT, 3/8"-24
63-64 Pass.
103036
8.916 NUT, 3/8"-24
63 Pass. (Assembly Manual)

3830781
0.830 PEDAL ASSY., Clutch
63 Pass. (Assembly Manual)
64 Pass.

3798256 (2)
0.831 BUSHING, Clutch pedal
63-64 Pass.

3828428
0.837 RETAINER, Shaft
63-64 Pass.

3723230
0.829 BUMPER, Clutch pedal shaft lever
63 Pass. (Assembly Manual)
64 Pass. S.T.

3744748
0.830 COVER, Clutch
63 Pass. (Assembly Manual)
63-64 Pass. S.T., (exc. P.B.)
106324 BOLT 63 Pass. w/P.B. (Assembly Manual)63-64 Pass. (with P.B.)
3747276
4.630 COVER, Parking brake (rubber)
63-64 Pass.
3817879
4.662 PIN, Clevis, brake main cylinder
63 Pass. (Assembly Manual)
64 Pass.
3817880
4.662 RETAINER, Clevis pin, brake main cylinder
63 Pass. (Assembly Manual)
64 Pass.
104038/124925/3779974
3711957
4.625 CLEVIS, Brake pedal to brake main cylinder
63 Pass. (Option) (Assembly Manual)
64 Pass.
104038
4.625 CLEVIS, Brake pedal to brake main cylinder
(3/8"-24 x 2 1/2")
63 Pass. (Assembly Manual)
3779974
4.658 ROD, (5 7/8" O.L.)
63-64 Pass. (exc. P.B.)
3779973
4.658 ROD, (5 9/16" O.L.)
63 Pass. (Assembly Manual w/P.B.)
64 Pass. (w/P.B.)
124925
8.916 NUT, 3/8"-24
63-64 Pass.
103036
8.916 NUT, 3/8"-24
63 Pass. (Assembly Manual)
3830781
0.830 PEDAL ASSY., Clutch
63 Pass. (Assembly Manual)
64 Pass.
3798256 (2)
0.831 BUSHING, Clutch pedal
63-64 Pass.
3828428
0.837 RETAINER, Shaft
63-64 Pass.
3723230
0.829 BUMPER, Clutch pedal shaft lever
63 Pass. (Assembly Manual)
64 Pass. S.T.
3744748
0.830 COVER, Clutch
63 Pass. (Assembly Manual)
63-64 Pass. S.T., (exc. P.B.)
3777747 STRIKER 63 Pass. w/P.B. (Assembly Manual)
107815 NUT 63 Pass. w/P.B. (Assembly Manual)
Disclaimer:
Factory correct applications are your responsibility. GM made part and part # changes with no rhyme but a reason (no production interruptions at any cost).
Application charts are for replacement parts that were available at the time of parts book printing, and when possible model specific assembly manuals.
My observations come from the parts I have in my collection or other reliable sources your parts may differ.
If Factory correctness is your goal, do more research, join car clubs,
forums and buy an assembly manual if one is available for your Project Car (you wont be sorry).
This is a fun and interesting part of the hobby!