Click your vehicle Make (RV & Motor Homes) to find the right EZ Oil Drain Valve.

Caterpillar

Chevrolet

Cummins

Detroit Diesel

Dodge

Ford

GMC

Mercedes

Valve and Adapter available for Onan Quiet RV Generators

Onan Quiet Generator with NPT1/4 drain plug USE ADAPTER PART # A-115 for a recessed oil drain port	EZ-115 A-115	$ 23.95 $ 7.00
Onan Quiet Generator with large NPT3/8 drain plug Model number 8000	EZ-110	$ 23.95

Please go to FAQ page to see details about NPT plug and how to measure NPT plug. 
Most Onan generators take those two sizes, but there are some exceptions. Please check your engine drain plug has a o-ring or washer/gasket. If your plug has a o-ring or washer/gasket it is not likely an NPT plug. 

Caterpillar
Engine Model	Part #	Price	Buy
3126(3126B & 3126E takes EZ-204), 3176  3304, 3306  3406, 3406B, 3406C, 3406E, 3408, 3412, 3456	EZ-205	$ 32.95
C-10, C-11, C-12, C-13, C-16, C-18  C-15  C-15 Acert model EZ-215	EZ-205 EZ-215	$ 32.95  $ 32.95
3406  3408  with tapered NPT 1 - 12 plug	EZ-200	$ 32.95
1100, 1140, 1145, 1150  3054, 3056, 3100, 3116, 3126B, 3126E, 3208  C-7, C-9	EZ-204	$ 32.95
Chevrolet
Engine Model	Part #	Price	Buy
('96 & on) 6.0L, 6.5L diesel, 5.7L, 7.4L, 8.1L gas engines	EZ-107	$ 23.95
(Up to '95) V8-5.7L, V8-6.5L diesel, V8-7.4L	EZ-101	$ 23.95
Cummins
Engine Model	Part #	Price	Buy
B3.3L, B3.9L, B5.9L C8.3L ISL(8.9L), ISB, ISC engines	EZ-2	$ 32.95
B Series 6.7L(Dodge Ram pickup - use EZ-104)	EZ-7B	$ 32.95
Signature Series / ISX engine	EZ-211	$ 32.95
All other engines (L10, M11, N14, ISM, ISN engines)	EZ-203	$ 32.95
Detroit Diesel
Engine Model	Part #	Price	Buy
30 Series diesel engines	EZ-111	$ 23.95
50 Series, 60 Series diesel engines	EZ-201	$ 32.95
2000 Series (V8 & V12) 4000 Series engines	EZ-211	$ 32.95
Other large engines	EZ-201	$ 32.95
Other small engines	EZ-202	$ 32.95
Dodge
Engine Model	Part #	Price	Buy
V8-5.2L (318c.i.), V8-5.9L (360c.i.) gas engines *incl. V8-5.4L (330c.i.)	EZ-101	$ 23.95
Ford
Engine Model	Part #	Price	Buy
6.9L Diesel 7.3L Diesel (up to '94)	EZ-101	$ 23.95
7.3L Diesel ('95 & on) 6.0L Diesel ('03 & on)	EZ-111	$ 23.95
V10-6.8L ('98 & on) 7.5L (460-July '85 & on)	EZ-106	$ 23.95
All Other Diesel Engines	EZ-204	$ 32.95
GMC
Engine Model	Part #	Price	Buy
('96 & on) 6.5L diesel, 5.7L, 7.4L, 8.1L gas engines	EZ-107	$ 23.95
(Up to '95) V8-5.7L, V8-6.5L diesel, V8-7.4L	EZ-101	$ 23.95
Mercedes
Engine Model	Part #	Price	Buy
2.7L Turbo Diesel Engine	EZ-106	$ 23.95
MBE900 Engine	EZ-7B	$ 32.95
MBE4000 Engine	EZ-207	$ 32.95
3.0 L Diesel (Sprinter) requires additional gasket to seal the curved drain port	EZ-106G	$ 23.95