Availability
GMC Tuff Stuff Performance Parts and Accessories
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Black Wrinkle Powdercoated, Serpentine Pulley, Each
Part Number: TFF-7127NKBW6G
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Chrome, Serpentine Pulley, Each
Part Number: TFF-7127NK6G12
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Bullet Fan, 6 Groove Pulley, 160 amp, Natural As Cast, 1-Wire or OEM Hookup, Center Offset, GM, Each
Part Number: TFF-7935K-16G22
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Chrome, V-Belt Pulley, Each
Part Number: TFF-7139ABULL6
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator Case, GM CS130 Style, Aluminum, Chrome, Pulley, Fan, Chevy, GMC, Pontiac, Kit
Part Number: TFF-7500F
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternators, Silver Bullet, GM 10SI/10DN/12SI, 12 V, 140 amps, Polished, Serpentine Pulley, AMC, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Each
Part Number: TFF-7140BBUL6G12
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, 110 Amp, Mini, V-Belt, Polished, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7937AP
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Water Pump, Mechanical, High-Volume, Iron, Red, Chevy, Big Block, Long Pump, Each
Part Number: TFF-1461NCRED
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Polished, 100 Amps, V-Belt, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7139BBULL
Estimated Ship Date: Jun 24, 2026 if ordered today
Estimated Ship Date: Jun 24, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 7127D12
Estimated Ship Date: Monday 3/30/2026
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Chrome, V-Belt Pulley, Each
Part Number: TFF-7127NK6
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Polished, V-Belt Pulley, Each
Part Number: TFF-7140BBULL6
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Performance, Kool-Charger, High Amp, GM CS130 Case Style, 12 V, 105 Amps, Polished, V-Belt, Each
Part Number: TFF-7861DP
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Polished, 160 Amps, V-Belt, Center Offset, Chevy, GMC, Each
Part Number: TFF-7935FP
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Black Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7140FBULL6
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Chrome, V-Belt Pulley, Each
Part Number: TFF-7140ABULL12
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Chrome, 105 Amps, Serpentine, Center Offset, Chevy, GMC, Each
Part Number: TFF-7935D6G
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Chrome, 105 Amps, V-Belt, Center Offset, Chevy, GMC, Each
Part Number: TFF-7935D
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, CS130, 105 Amp, Serpentine, Natural, Center Offset, Each
Part Number: TFF-7935-16G
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, 140 Amp, Replacement, V-Belt, Black Chrome, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7127NK7
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Starter, OEM-Style, Full Size, Natural Finish, Chevrolet, GMC, 6.2L, 6.5L, Diesel, Each
Part Number: TFF-6330
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Chrome, V-Belt Pulley, Each
Part Number: TFF-7140ABULL9
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Chrome, 100 Amps, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7139ABULL6G
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Red Powdercoated, V-belt Pulley, Each
Part Number: TFF-7127NFBW
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Black Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7139FBULL6
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
Alternator, Chrome, 160 Amp, 1-wire, V-Belt, Left Offset, Chevy, Pontiac, GMC, Each
Part Number: TFF-7861ABULL
Not Yet Reviewed
Estimated Ship Date: Jun 23, 2026 if ordered today
Estimated Ship Date: Jun 23, 2026 if ordered today
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