![20-380 Alternator w/Mounting Bracket for Ford 7.3L Godzilla Engine Swap [105 Amp]](https://www.jegs.com/images/mini_750/500/510/510-20-380.jpg)
20-380 Alternator w/Mounting Bracket for Ford 7.3L Godzilla Engine Swap [105 Amp]
- 105 Amp Alternator
- Mounting Bracket
- Idler Pulleys
- Belt
- Harness Pigtail
- Hardware
Holley 20-380 Alternator Kit Features:
- For use with Godzilla crate engines and engine swaps (take-out engines)
- Eliminates dual alternator setup found on some heavy-duty trucks
- Works with the factory timing cover, water pump, damper, and intake manifold
- Compatible with OEM or aftermarket crank pulley/damper assembly
- Compact design provides extra clearance
- Alternator works without a factory ECU
- Allows elimination of power steering pump or AC compressor if desired
Holley 20-380 Alternator Kit Notes:
- Compatible with Ford 7.3L Godzilla factory intake manifold and factory accessory drive system only, will not work with Holley's low-profile intake manifold
Items You Need

AJE SUSPENSION
AJE-7.3 Engine Mount K-Member for 1979-2004 Ford Mustang 7.3L 6.2L Swap
Part Number : 040-AJE-7.3

MSD IGNITION
82838 Direct Replacement Ignition Coil Set for Select Ford F-250, F-350 Trucks w/7.3L Godzilla Engine (Red)
Part Number : 121-82838
![Universal Motor Mount Kit for Ford 7.3L Godzilla Swap [Billet]](https://www.jegs.com/images/mini_200/300/335/335-551028-gz01.jpg)
ICT BILLET
Universal Motor Mount Kit for Ford 7.3L Godzilla Swap [Billet]
Part Number : 335-551028-GZ01

ICT BILLET
Ford 7.3L Godzilla Remote Mount Coil Relocation Brackets
Part Number : 335-551839-GZ01

HOLLEY
97-400 Crankshaft Seal Installation Tool for Ford 7.3L Godzilla Engine
Part Number : 510-97-400
![3-Ton Aluminum Floor Jack [6,000 lbs. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80077.jpg)
JEGS
3-Ton Aluminum Floor Jack [6,000 lbs. Capacity]
Part Number : 555-80077
![Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81156.jpg)
JEGS
Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]
Part Number : 555-81156
![Wheel Chock [Solid Rubber]](https://www.jegs.com/images/mini_200/500/555/555-w41001.jpg)
JEGS
Wheel Chock [Solid Rubber]
Part Number : 555-W41001

JEGS
Lo Boy Creeper 250 lb. Capacity
Part Number : 555-81154
![Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81156.jpg)
JEGS
Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]
Part Number : 555-81156

ATI
918073 Super Damper Ford 7.3L Godzilla
Part Number : 085-918073

AJE SUSPENSION
AJE-7.3 Engine Mount K-Member for 1979-2004 Ford Mustang 7.3L 6.2L Swap
Part Number : 040-AJE-7.3

MSD IGNITION
82838 Direct Replacement Ignition Coil Set for Select Ford F-250, F-350 Trucks w/7.3L Godzilla Engine (Red)
Part Number : 121-82838
![Universal Motor Mount Kit for Ford 7.3L Godzilla Swap [Billet]](https://www.jegs.com/images/mini_200/300/335/335-551028-gz01.jpg)
ICT BILLET
Universal Motor Mount Kit for Ford 7.3L Godzilla Swap [Billet]
Part Number : 335-551028-GZ01

ICT BILLET
Ford 7.3L Godzilla Remote Mount Coil Relocation Brackets
Part Number : 335-551839-GZ01

ICT BILLET
Mid-Mount Motor Plate for 7.3L Ford Godzilla Engine
Part Number : 335-551819-GZ01

HOLLEY
97-400 Crankshaft Seal Installation Tool for Ford 7.3L Godzilla Engine
Part Number : 510-97-400
![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)
JEGS
Brake and Parts Cleaner [14 oz. Aerosol Can]
Part Number : 555-72312

JEGS
Blue Bolt Locker Medium Strength
Part Number : 555-28084
![Funnel [8.5 in. Overall Length]](https://www.jegs.com/images/mini_200/500/555/555-w4064.jpg)
JEGS
Funnel [8.5 in. Overall Length]
Part Number : 555-W4064
![3-Ton Aluminum Floor Jack [6,000 lbs. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80077.jpg)
JEGS
3-Ton Aluminum Floor Jack [6,000 lbs. Capacity]
Part Number : 555-80077
![Wheel Chock [Solid Rubber]](https://www.jegs.com/images/mini_200/500/555/555-w41001.jpg)
JEGS
Wheel Chock [Solid Rubber]
Part Number : 555-W41001

JEGS
Lo Boy Creeper 250 lb. Capacity
Part Number : 555-81154
![Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81156.jpg)
JEGS
Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]
Part Number : 555-81156

ATI
918073 Super Damper Ford 7.3L Godzilla
Part Number : 085-918073

AJE SUSPENSION
AJE-7.3 Engine Mount K-Member for 1979-2004 Ford Mustang 7.3L 6.2L Swap
Part Number : 040-AJE-7.3

MSD IGNITION
82838 Direct Replacement Ignition Coil Set for Select Ford F-250, F-350 Trucks w/7.3L Godzilla Engine (Red)
Part Number : 121-82838
![Universal Motor Mount Kit for Ford 7.3L Godzilla Swap [Billet]](https://www.jegs.com/images/mini_200/300/335/335-551028-gz01.jpg)
ICT BILLET
Universal Motor Mount Kit for Ford 7.3L Godzilla Swap [Billet]
Part Number : 335-551028-GZ01
REPLACEMENT PARTS

HOLLEY
GM 4-Pin Alternator Plug Pigtail Harness with Inline Resistor for LS Swaps
Part Number : 510-197-400

HOLLEY
97-150 Idler Pulley 76mm (2.992") Smooth Pulley with ball bearing
Part Number : 510-97-150

HOLLEY
97-419 Replacement Hardware for Ford 7.3L Godzilla Engine w/20-380, 997-409 Alternator Mount or 20-310 Accessory Drive System
Part Number : 510-97-419

HOLLEY
97-409 Alternator Bracket Kit for Ford 7.3L Godzilla Engine
Part Number : 510-97-409

HOLLEY
97-344 Replacement Grooved Idler Pulley
Part Number : 510-97-344

HOLLEY
97-419 Replacement Hardware for Ford 7.3L Godzilla Engine w/20-380, 997-409 Alternator Mount or 20-310 Accessory Drive System
Part Number : 510-97-419

HOLLEY
GM 4-Pin Alternator Plug Pigtail Harness with Inline Resistor for LS Swaps
Part Number : 510-197-400

HOLLEY
97-150 Idler Pulley 76mm (2.992") Smooth Pulley with ball bearing
Part Number : 510-97-150

HOLLEY
97-409 Alternator Bracket Kit for Ford 7.3L Godzilla Engine
Part Number : 510-97-409

HOLLEY
97-344 Replacement Grooved Idler Pulley
Part Number : 510-97-344

HOLLEY
97-419 Replacement Hardware for Ford 7.3L Godzilla Engine w/20-380, 997-409 Alternator Mount or 20-310 Accessory Drive System
Part Number : 510-97-419

HOLLEY
GM 4-Pin Alternator Plug Pigtail Harness with Inline Resistor for LS Swaps
Part Number : 510-197-400

HOLLEY
97-150 Idler Pulley 76mm (2.992") Smooth Pulley with ball bearing
Part Number : 510-97-150

HOLLEY
97-409 Alternator Bracket Kit for Ford 7.3L Godzilla Engine
Part Number : 510-97-409
⚠️ Warning
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.


