Generac Maintenance Kit, 389cc & 420cc Engines, Retail Packaging, Includes Oil (GP5.5 - GP8.0, RS5.5, RS7.0, XT8.0) — 6840
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At a glance
- Brand
- Generac
- Model
- XT8
- Shipping
- Low flat rate shipping — $9.95
Confirmed compatibility
Everything you need to know
Genuine Generac Maintenance Kit, 389cc & 420cc Engines, Retail Packaging, Includes Oil (GP5.5 - GP8.0, RS5.5, RS7.0, XT8.0) — factory OEM part (Generac #6840). Genuine parts keep your Generac generator running right and protect your warranty. Ships at a low flat rate — $9.95 at checkout.
Not sure this fits your unit? Call 704-641-1600 with your model & serial and we'll confirm before you order.
Frequently asked questions
Is this a genuine OEM part?+
Yes — sold and shipped as a genuine Generac part from a factory-authorized dealer.
Will it fit my unit?+
Check your model and year — message us with that info and we'll confirm fit before you order.
How fast does it ship?+
Low flat rate shipping — $9.95 at checkout. Most parts leave the warehouse in 2–4 business days.
What's the return policy?+
30-day returns on unused parts and accessories in original packaging.
Low flat rate shipping — $9.95
Low flat rate shipping — $9.95 at checkout. Typically ships in less than 2 weeks.
Install help, no upsell
We size, spec, and connect you with a vetted local installer — or talk your contractor through it for free.
Genuine Generac part
Sold and shipped as a genuine Generac OEM part from a factory-authorized dealer. 30-day returns on unused parts in original packaging.