Availability
CHEVROLET Tuff Stuff Performance Ignitions & Electrical
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Gray Powdercoated, V-belt Pulley, Each
Part Number: TFF-7127RATGRAY
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Chrome, V-Belt, Each
Part Number: TFF-7127ND9
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Polished, V-Belt, Each
Part Number: TFF-7127NDP9
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Polished, V-Belt Pulley, Each
Part Number: TFF-7127NDP12
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Black, 105 Amps, Serpentine, Center Offset, Chevy, GMC, Each
Part Number: TFF-7935E6G
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Alternator, Chrome, 160 Amps, V-Belt, Left Offset, Chevy, GMC, Pontiac, Each
Part Number: TFF-7861F
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Natural, V-Belt, Each
Part Number: TFF-7127DBULL
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Alternator, 125 Amp, Replacement, Serpentine, Natural, Chevy, Pontiac, Each
Part Number: TFF-8242
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Black Powdercoated, Serpentine Pulley, Each
Part Number: TFF-7127NF6G12
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Black Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7139FBULL12
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 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: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Silver Bullet, GM 10si, 12V, 100 amps, Black, Serpentine Pulley, Buick, Chevy, Oldsmobile, Pontiac
Part Number: TFF-7139FBULL6G
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternators and Generators, Silver Bullet Stealth Black Alternators, GM 10si Case Style, 12 V, 100 amps, Black Powdercoat, V-belt Pulley, Chevy, Each
Part Number: TFF-7139FBULL9
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Blue Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7139FBULLBLU
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternators, Silver Bullet, GM 10SI/10DN/12SI, 12 V, 100 amps, Orange Powdercoated, V-belt Pulley, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Each
Part Number: TFF-7139FBULLOR
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Polished, 100 Amps, V-Belt, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7139BBULL
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 2/23/2026
Starter, OEM-Style, Full Size, Inline Mounting, Chrome, Chevy Small Block, GM V6, Cadillac V8, Each
Part Number: TFF-3631A
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Chrome, V-Belt Pulley, Each
Part Number: TFF-7127ND12
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, One-Wire, GM 10si, 12 V, 80 amps, Polished, Serpentine Pulley, Buick, Chevy, Oldsmobile, Pontiac
Part Number: TFF-7127NBP6G
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Chrome, 100 Amps, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7127ND6G
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Chrome, Each
Part Number: TFF-7127ND6G12
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Black Chrome, 100 Amps, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7127ND6G7
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Black Chrome, 100 amps, 1-wire, V-Belt, GM, Each
Part Number: TFF-7127ND7
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Polished, V-Belt Pulley, Each
Part Number: TFF-7127NDP6
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Alternator, Black, 80 Amp, 1-wire, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7127NE6G
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster