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BikeMaster
$36.51
BikeMaster
$12.28
BikeMaster
$15.35
All Balls Racing
$38.50
Wiseco
$23.54
Wiseco
$49.02
Cometic Gasket
$5.92
BikeMaster
$33.78
BikeMaster
$31.30
BikeMaster
$15.35
BikeMaster
$12.28
NGK
$36.10
NGK
$21.20
BikeMaster
$27.08
BikeMaster
$27.08
BikeMaster
$11.42
BikeMaster
$31.30
NGK
$13.06
BikeMaster
$15.35
All 19 products shown
Yes, all parts displayed on this page are verified to fit the 1979 Yamaha YZ400 using VCDB fitment data. Our fitment information comes directly from manufacturers and is cross-referenced with industry-standard vehicle databases.
The most popular categories for the 1979 Yamaha YZ400 include engine. Browse our full selection to find the exact parts you need for your vehicle.
We carry parts from trusted brands including BikeMaster, NGK, Wiseco, All Balls Racing, and Cometic Gasket, plus many more. Filter by brand to find your preferred manufacturer.
Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.
Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.