Description
Complete scheduled generator maintenance with this UGP air- and oil-filter set. It includes an air filter replacing Generac 0J8478 and 0J8478S plus a high-capacity UGP 0868539E oil filter replacing Generac 070185E and 070185ES.
Designed for select 14–22 kW air-cooled generators manufactured in 2013 or later with compatible V-Twin 990cc or 999cc engines, these filters help support clean airflow and effective engine lubrication.
Package Includes:
- 1 UGP air filter replacing Generac 0J8478 and 0J8478S
- 1 UGP 0868539E oil filter replacing Generac 070185E and 070185ES
- Total: 1 complete air- and oil-filter set
Product Features:
- Complete UGP aftermarket filter set
- Designed for select 14–22 kW air-cooled standby generators
- Compatible with specified V-Twin 990cc and 999cc engines
- Intended primarily for 2013 and newer generator models
- Air filter helps prevent dirt and debris from entering the engine
- Oil filter helps capture contaminants circulating through engine oil
- High-capacity 90mm oil-filter design
- Approximately 30% more oil-filter capacity than a standard 75mm filter
- Engine oil is not included
Replacement Part Numbers:
- Air filter: Generac 0J8478, 0J8478S
- Oil filter: Generac 070185E, 070185ES
- UGP air-filter number: 0J8478S-U
- UGP oil-filter number: 0868539E
Compatible Brands:
Designed for select generators sold under the Generac, Guardian, Centurion, Honeywell, Watchdog, Dayton, Siemens, Eaton, Carrier, and compatible branded lines. Fitment depends on the generator model, engine, and production date.
Product Information:
- Brand: UGP
- Air-filter quantity: 1
- Oil-filter quantity: 1
- Number of complete sets: 1
- Generator output range: 14–22 kW
- Engine application: Select V-Twin 990cc and 999cc engines
- Model years: Primarily 2013 and newer
- Engine oil included: No
- Product type: Aftermarket air- and oil-filter kit
Verify that your generator requires both an 0J8478 or 0J8478S air filter and a 070185E or 070185ES-compatible oil filter. Confirm compatibility using the generator’s complete model number, serial number, engine displacement, production date, and owner’s manual.









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