YGQ 6485 Maintenance Kit for Generac 0J8478S / 070185ES – 16-26 kW Air-Cooled Standby Generators (999cc)

Overview

The YGQ 6485 Maintenance Kit is a concise, all-in-one solution designed to help keep Generac 0J8478S air filters and 070185ES oil filters performing as needed in 16- to 26-kW, air‑cooled standby generators with a 999cc engine. This kit pairs OEM-style parts with two spark plugs for a coordinated refresh, making routine service simpler and more convenient for home backup power systems.

With a focus on practical maintenance, the kit supports dependable startup and steady operation by supplying the core components that constrain wear and protect engine performance. The parts are chosen to align with common Generac maintenance tasks, offering peace of mind during times when power reliability matters most.

What’s included

• Air Filter Part#: 0J8478S and 0J8478
• Oil Filter Part#: 070185E and 070185ES
• Spark Plugs Part#: K5RTC and RC12YC
• Package includes: 1x Air Filter + 1x Oil Filter + 2x Spark Plugs

Compatibility and scope

Designed to fit a broad range of Generac models, this kit is suitable for home standby generators equipped with 20‑kW engines and a 999cc displacement. It covers a substantial list of model numbers, including popular entries such as 6055, 6098, 6103, 6244, 6250, 6258, 6551, 6279, and a broad run from 7034 through 7291. If your unit is within the 16-26 kW, air‑cooled family and uses the specified parts, this kit is a practical maintenance option.

In practical terms, the kit offers a convenient, unified replacement solution that can help streamline maintenance cycles and reduce the number of separate parts purchases when service time arrives.

Maintenance guidance

• Recommended service every 200 operating hours or every 2 years
• In dusty or dirty environments, more frequent inspections may be beneficial

Practical benefits and use in daily life

Users may experience improved filtration, cleaner intake air, and consistent ignition with fresh spark plugs. While results can vary by unit and usage, a refreshed air and oil filtration setup supports smoother operation during power outages and routine running alike. The included plugs offer a ready-to-install option that complements the filter changes, helping you maintain the standby system you rely on for home power resilience.

All in all, the YGQ 6485 kit is designed to simplify maintenance routines, pairing familiar parts in a single package to support ongoing readiness without overpromising guarantees. It’s a practical choice for homeowners who prefer a cohesive, repeatable servicing process for their Generac standby generators.