What is the difference between NOS and used grade parts?

What is the difference between NOS and used grade parts? NOS (new old stock) means factory-new parts from original packaging or dealer stock, often discontinued – pristine but sometimes decades old (check rubber/perishable items). ‘Good used’ means removed from a donor bike, tested and functional with cosmetic wear. NOS suits restorations demanding authenticity; used suits riders wanting function at the sharpest price.

The details, plainly

At Dirt Zaro Moto we answer this the same way in the workshop and in writing: buy for your actual machine and your actual riding, confirm fitment by brand, model and year before paying, and choose sellers who photograph and grade real stock in Australia. Every listing at our Perth warehouse follows that rule, and every order ships Australia-wide with tracking or collects free by appointment.

Related at Dirt Zaro Moto

browse grades grading FAQs. Questions we haven’t covered? Email info@dirtzaromoto.com – the parts desk replies within one business day.

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Related guidance

This answer is part of the Dirt Zaro Moto FAQ hub – 60+ buy-intent questions answered by the Perth parts desk so you can purchase with confidence. For independent context see motocross background, and pair this answer with our buying guides and live stock listings linked above. Questions we haven’t covered? Email info@dirtzaromoto.com – straight answers within one business day, Australia-wide freight on everything we stock.

Good to know before you order

The fastest way to confirm fitment is the part finder on every page: choose bike brand, then model, then year, and the catalogue filters to parts pulled from that exact machine. Where a part suits a range of years or sibling models — for example many Kawasaki KX and KLX components sharing generations — we print the compatibility range in the description. Still unsure? Email info@dirtzaromoto.com your VIN, frame or engine number plus the part link; our parts team cross-references manufacturer diagrams the same business day and will tell you plainly if it does not fit. Ordering the wrong part wastes a week of your riding season, so we would rather check twice. Returns on mis-picked parts are accepted within 14 days in resellable condition.