UGP Maintenance Kit Replaces Generac 5665 for 20 kW, 999cc Pre-2013 Generators

Description

Looking for a Generac 5665 maintenance kit replacement for your home standby generator? This UGP aftermarket kit is designed for select 2008–2012 air-cooled 20 kW generators equipped with V-Twin 999cc engines. It brings together the filters, spark plugs, and service accessories commonly required for routine maintenance, so you can order the parts for your next service in one step.

The included UGP air filter replaces Generac 0G5894, while the 90mm oil filter replaces Generac 070185E. Regular replacement of the filters and spark plugs helps support clean airflow, effective oil filtration, dependable starting, and consistent generator operation. Engine oil is not included.

What Is Included in the UGP Generac 5665 Maintenance Kit?

• 1 UGP air filter replacing Generac 0G5894
• 1 UGP 90mm oil filter replacing Generac 070185E
• 2 spark plugs
• 1 oil funnel
• 1 chamois
• 1 instruction sheet
• 1 service reminder sticker

Key Features of This 20 kW Generator Maintenance Kit

• UGP aftermarket maintenance kit replacing Generac 5665
• Designed for select pre-2013 20 kW air-cooled generators
• Compatible with specified V-Twin 999cc engines
• Air filter helps prevent dirt and debris from entering the engine
• High-capacity 90mm oil filter provides approximately 30% more capacity than a standard 75mm filter
• Two spark plugs support reliable ignition and starting
• Includes accessories for convenient routine servicing
• Engine oil is sold separately

Why Routine Maintenance Matters

Replacing the air filter, oil filter, and spark plugs is a core part of keeping an air-cooled standby generator in good working order. This UGP maintenance kit groups those parts together with an oil funnel, a chamois, and an instruction sheet. The service reminder sticker gives you a simple way to note your next service. Purchase the oil type and quantity specified in your owner’s manual, since oil is not included.

Compatible Brands

This kit is designed for select Generac, Guardian, Centurion, Watchdog, Eaton, Honeywell, Siemens, Carrier, and other compatible branded generators. Fitment depends on the generator model, serial number, and engine configuration.

Compatible Generator Models

0055060, 0055250, 0055251, 0055330, G0055250, G0055251, G0057440, G0058750, G0058751, G0058870, G0058871, G0058960, G0058961, G0059130, G0059131, G0059240, G0059241, G0060340, G0060341.

Product Information

• Brand: UGP
• Replaces maintenance kit: Generac 5665
• Air-filter replacement: 0G5894
• Oil-filter replacement: 070185E
• Application: Select 2008–2012 air-cooled standby generators
• Generator output: 20 kW
• Engine application: V-Twin 999cc
• Oil included: No
• Product type: Aftermarket maintenance kit

Fitment and Safety Notes

Verify compatibility using your generator’s model number, serial number, and engine information before ordering this Generac 5665 maintenance kit replacement. Disable automatic starting, disconnect the battery as directed, and allow the engine to cool before servicing.

Frequently Asked Questions

Does this Generac 5665 maintenance kit include engine oil?

No. Engine oil is not included. Purchase the oil type and quantity specified in your owner’s manual.

Which generators is this UGP kit designed for?

It is designed for select 2008–2012 air-cooled 20 kW generators with V-Twin 999cc engines, including the models listed above. Fitment depends on the generator model, serial number, and engine configuration, so verify your information before ordering.

What is special about the 90mm oil filter in this kit?

The UGP 90mm oil filter replaces Generac 070185E and provides approximately 30% more capacity than a standard 75mm filter.