Kohler Air Filter & Pre-Filter for 8.5 RES/RMY	$34.95 - Pre-Filter included but not shown.
Kohler Air Filter and Pre-Filter for 12kW RES/RESL & 11 RMY	$34.95 - Pre-Filter included but not shown
Kohler Oil Filter for 8.5 - 12kW	$12.49
Kohler Air Filter for 17/18/20kW RES/RESL	$37.49 - No Pre-Filter Required
Kohler Oil Filter for 17/18/20kW RES/RESL	$12.49
Kohler 17/18/20kW Air Filter and Oil Filter	Price $48.95
Spark Plugs for 8.5 thru 12kW	Kohler 8.5 KW thru 12kW use Champion RC12YC - $6.49 for two
Spark Plugs for 17/18/20kW	Kohler 17/18kW uses Champion XC10YC - $9.90 for two
5W30 Fully Synthetic Oil	Mobil One 5W30 Fully Synthetic Oil - $14.90 per quart