1978 Harley-Davidson FX Super Glide Engine & Drivetrain Parts & Accessories

Engine & Drivetrain (84 products)

TwinPower

Twin Power 65-85 Big Twin Oil Deflector Plate Replaces H-D 60516-65A

$14.32

Bikers Choice

Bikers Choice 66-84 Shovelhead Braided Stainless Rocker Box Oil Line Set Replaces H-D 62783-66A

$30.71

TwinPower

Twin Power 70-E78 FL FX 71-78 XL Advance Unit and Point Plate Assembly Replaces H-D 32525-85T

$60.40

TwinPower

Twin Power 70-E78 FL FX 71-78 XL Point Plate Assembly Replaces H-D 32618-70A

$21.49

TwinPower

Twin Power 70-79 Big Twin 71-79 XL Advance Unit Replaces HD 32517-70T

$38.90

TwinPower

Twin Power 70-E78 FL FX 71-78 XL Needle Bearing Advance Unit Kit Replaces H-D 32515-85T

$100.34

TwinPower

Twin Power 65-79 Big Twin and XL Ignition Coil Chrome Replaces H-D 31609-65A 5 Ohm

$112.63

TwinPower

Twin Power 72-81 Big Twin and XL Master Cylinder Cover Gasket Replaces H-D 45012-7210 Pk

$39.92

TwinPower

Twin Power L75-17 Big Twin With Cable Clutch Throwout Needle Bearing Replaces H-D 37312-75

$9.20

TwinPower

Twin Power 70-83 Big Twin Models Derby Cover Gasket Replaces H-D 24416-70 5 Pk

$59.38

TwinPower

Twin Power 73-99 Big Twin Except Twin Cam Oil Pump Gear Replaces H-D 26345-73 24 Teeth

$28.66

TwinPower

Twin Power 65-86 FL FX 4 Speed Models Primary Gasket Kit

$115.70

TwinPower

Twin Power 65-86 Big Twin 4-Speed Models Lever Starter System Custom Use

$215.03

TwinPower

Twin Power 70-E79 FL FX 71-79 XL Advance Unit Screw Replaces H-D 3570

$3.06

TwinPower

Twin Power 65-88 Big Twin Starter Driveshaft Bearing Outer Replaces H-D 9063

$18.42

Bikers Choice

Bikers Choice 66-84 Shovelhead Cylinder Head Rocker Box Stud Kit Replaces H-D 17506-66A

$22.52

TwinPower

Twin Power 65-06 Big Twin Exc O6 Dyna Primary Chain Adjuster Plate Kit

$46.07

Bikers Choice

Bikers Choice 58-99 Big Twin Except Twin Cam Cam Gear Thrust Plate Replaces H-D 25550-57 5Pk

$48.12

TwinPower

Twin Power 75-17 Big Twin W/ Cable Clutch Throw Out Bearing Thrust Washer Replaces H-D 37313-80

$8.18

TwinPower

Twin Power 65-79 Big Twin and XL Ignition Coil Black Replaces H-D 31609-65A 5 Ohm

$114.68

Frequently Asked Questions

Do these parts fit my 1978 Harley-Davidson FX Super Glide?

Yes, all parts displayed on this page are verified to fit the 1978 Harley-Davidson FX Super Glide using VCDB fitment data. Our fitment information comes directly from manufacturers and is cross-referenced with industry-standard vehicle databases.

What engine & drivetrain options are available for my 1978 Harley-Davidson FX Super Glide?

We offer a wide selection of engine & drivetrain parts specifically designed for the 1978 Harley-Davidson FX Super Glide. All parts shown are verified for fitment and include detailed product information to help you choose the right option.

What brands make parts for the 1978 Harley-Davidson FX Super Glide?

We carry parts from trusted brands including TwinPower, Bikers Choice, and NGK, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1978 Harley-Davidson FX Super Glide parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 1978 Harley-Davidson FX Super Glide parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

1978 Harley-Davidson FX Super Glide(149 parts)

Shop by Problem

Other Harley-Davidson FX Super Glide Years

1978 Harley-Davidson FX Super Glide(149 parts)

Shop by Problem

Other Harley-Davidson FX Super Glide Years

Engine & Drivetrain (84 products)

Twin Power 65-85 Big Twin Oil Deflector Plate Replaces H-D 60516-65A

Bikers Choice 66-84 Shovelhead Braided Stainless Rocker Box Oil Line Set Replaces H-D 62783-66A

Twin Power 70-E78 FL FX 71-78 XL Advance Unit and Point Plate Assembly Replaces H-D 32525-85T

Twin Power 70-E78 FL FX 71-78 XL Point Plate Assembly Replaces H-D 32618-70A

Twin Power 70-79 Big Twin 71-79 XL Advance Unit Replaces HD 32517-70T

Twin Power 70-E78 FL FX 71-78 XL Needle Bearing Advance Unit Kit Replaces H-D 32515-85T

Twin Power 65-79 Big Twin and XL Ignition Coil Chrome Replaces H-D 31609-65A 5 Ohm

Twin Power 72-81 Big Twin and XL Master Cylinder Cover Gasket Replaces H-D 45012-7210 Pk

Twin Power L75-17 Big Twin With Cable Clutch Throwout Needle Bearing Replaces H-D 37312-75

Twin Power 70-83 Big Twin Models Derby Cover Gasket Replaces H-D 24416-70 5 Pk

Twin Power 73-99 Big Twin Except Twin Cam Oil Pump Gear Replaces H-D 26345-73 24 Teeth

Twin Power 65-86 FL FX 4 Speed Models Primary Gasket Kit

Twin Power 65-86 Big Twin 4-Speed Models Lever Starter System Custom Use

Twin Power 70-E79 FL FX 71-79 XL Advance Unit Screw Replaces H-D 3570

Twin Power 65-88 Big Twin Starter Driveshaft Bearing Outer Replaces H-D 9063

Bikers Choice 66-84 Shovelhead Cylinder Head Rocker Box Stud Kit Replaces H-D 17506-66A

Twin Power 65-06 Big Twin Exc O6 Dyna Primary Chain Adjuster Plate Kit

Bikers Choice 58-99 Big Twin Except Twin Cam Cam Gear Thrust Plate Replaces H-D 25550-57 5Pk

Twin Power 75-17 Big Twin W/ Cable Clutch Throw Out Bearing Thrust Washer Replaces H-D 37313-80

Twin Power 65-79 Big Twin and XL Ignition Coil Black Replaces H-D 31609-65A 5 Ohm

Frequently Asked Questions

Do these parts fit my 1978 Harley-Davidson FX Super Glide?

What engine & drivetrain options are available for my 1978 Harley-Davidson FX Super Glide?

What brands make parts for the 1978 Harley-Davidson FX Super Glide?

How fast do 1978 Harley-Davidson FX Super Glide parts ship?

What warranty do your 1978 Harley-Davidson FX Super Glide parts come with?