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Bosch
$3.26
K&N
$11.99
BikeMaster
$11.25
Cometic Gasket
$1.72
BikeMaster
$5.11
Bendix
$30.05
Denso
$8.26
Moog
$57.79
Champion
$7.17
NGK
$3.04
NGK
$8.32
Uni Filter
$37.59
All 12 products shown
Find all the parts you need for common jobs on your 1978 Yamaha XS400.
Yes, all parts displayed on this page are verified to fit the 1978 Yamaha XS400 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 1978 Yamaha XS400 include engine, wiring, oil-fluids, and air-filters. Browse our full selection to find the exact parts you need for your vehicle.
We carry parts from trusted brands including BikeMaster, NGK, Bendix, Bosch, and Champion, 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.
