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Home / Shop Aircraft Parts ... / Replacement Seals / F50-K

Part # F50-K

SEAL KIT, Oil Drain Valve

Name: SEAL KIT, Oil Drain Valve
Brand: SAF-AIR Products
SKU: F50-K
Price: 15.95 USD
Availability: InStock

Jump to product details Aircraft Eligibility

$15.95 Retail Price: $17.60

In Stock

Product Details

Specifications

Approval: Kit with Approved Contents
Condition: New
Manufacturer: SAF-AIR Products
Dimensions: L: 4 x W: 3 x H: 0.25 in
Weight: 0.0006 lbs
Unit of Measure: Each
McFarlane Part Number: F50-K

Product Description

SAF-AIR Replacement O-Ring Kits

Find the replacement O-ring kit for your SAF-AIR valve: O-Ring Kits.
All SAF-AIR O-rings are made of Viton.

WARNING: Cancer and/or Reproductive Harm - California Proposition 65 Resources

Eligible Aircraft

Make	Model	Start S/N	End S/N	Eligibility Chart
Lycoming O-235	O-235	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235C	O-235C	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235-C1	O-235-C1	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235-C1B	O-235-C1B	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235-C2A	O-235-C2A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235-C2C	O-235-C2C	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235-F2B	O-235-F2B	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235-H2C	O-235-H2C	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235-J2A	O-235-J2A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235-K2C	O-235-K2C	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235-L2C	O-235-L2C	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235-N2C	O-235-N2C	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-235-N2C	O-235-N2C	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-290	O-290	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-320	AEIO-320	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-320-D1B	AEIO-320-D1B	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-320-E1B	AEIO-320-E1B	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-320-E2B	AEIO-320-E2B	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-320	IO-320	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-320-B1A	IO-320-B1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-320-E2A	IO-320-E2A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-320-E2B	IO-320-E2B	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming LIO-320	LIO-320	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-320	O-320	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-320-H2AD	O-320-H2AD	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360	AEIO-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360-A1A	AEIO-360-A1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360-A1B	AEIO-360-A1B	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360-A1B6	AEIO-360-A1B6	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360-A1D	AEIO-360-A1D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360-A1E	AEIO-360-A1E	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360-B1F	AEIO-360-B1F	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360-B1G6	AEIO-360-B1G6	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360-B2F	AEIO-360-B2F	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360-B4A	AEIO-360-B4A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360-H1A	AEIO-360-H1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-360-H1B	AEIO-360-H1B	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AIO-360	AIO-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming HIO-360	HIO-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming HIO-360-A1A	HIO-360-A1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming HIO-360-C1A	HIO-360-C1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming HIO-360-E1AD	HIO-360-E1AD	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming HO-360	HO-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming HO-360-C1A	HO-360-C1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-360	IO-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-360-B1B	IO-360-B1B	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-360-B1E	IO-360-B1E	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-360-C1C	IO-360-C1C	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-360-L2A	IO-360-L2A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-360-M1A	IO-360-M1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IVO-360	IVO-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming LIO-360	LIO-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming LO-360-A1G6D	LO-360-A1G6D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming LO-360-A1H6	LO-360-A1H6	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming LO-360-E1A6D	LO-360-E1A6D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming LTIO-360-E1A6D	LTIO-360-E1A6D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming LTO-360	LTO-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-360	O-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-360-A1A	O-360-A1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-360-A1AD	O-360-A1AD	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-360-A1D	O-360-A1D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-360-C1F	O-360-C1F	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-360-C1G	O-360-C1G	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-360-C2E	O-360-C2E	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-360-C4F	O-360-C4F	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-360-C4P	O-360-C4P	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-360-E1A6D	O-360-E1A6D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-360	TIO-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TO-360	TO-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TO-360-E1A6D	TO-360-E1A6D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming VO-360	VO-360	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming GO-435	GO-435	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-435	O-435	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TVO-435	TVO-435	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming GO-480	GO-480	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IGSO-480	IGSO-480	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-540-D4A5	AEIO-540-D4A5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-540-D4B5	AEIO-540-D4B5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-540-D4D5	AEIO-540-D4D5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-540-L1B5	AEIO-540-L1B5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-540-L1B5D	AEIO-540-L1B5D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming AEIO-540-L1D5	AEIO-540-L1D5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IGSO-540	IGSO-540	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IGSO-540	IGSO-540	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-540	IO-540	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-540-AA1A5	IO-540-AA1A5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-540-AB1A5	IO-540-AB1A5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-540-AB1A5	IO-540-AB1A5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-540-AC1A5	IO-540-AC1A5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-540-AC1A5	IO-540-AC1A5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-540-M1A5	IO-540-M1A5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-540-M1C5	IO-540-M1C5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-540-N1A5	IO-540-N1A5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-540-T4ASD	IO-540-T4ASD	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-540-W1A5D	IO-540-W1A5D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IVO-540	IVO-540	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming LTIO-540	LTIO-540	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming LTIO-540-J2B	LTIO-540-J2B	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-540	O-540	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-540-E4A5	O-540-E4A5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-540-E4B5	O-540-E4B5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-540-F1B5	O-540-F1B5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-540-G1A5	O-540-G1A5	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-540-J	O-540-J	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-540-J1A5D	O-540-J1A5D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-540-J3A5D	O-540-J3A5D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-540-J3C5D	O-540-J3C5D	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming O-540-L	O-540-L	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-540	TIO-540	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-540-A2C	TIO-540-A2C	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-540-AH1A	TIO-540-AH1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-540-AJ1A	TIO-540-AJ1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-540-AK1A	TIO-540-AK1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-540-AK1A	TIO-540-AK1A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-540-F2BD	TIO-540-F2BD	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-540-J2B	TIO-540-J2B	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-540-J2BD	TIO-540-J2BD	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-540-U2A	TIO-540-U2A	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIVO-540	TIVO-540	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming VO-540	VO-540	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIGO-541	TIGO-541	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming TIO-541	TIO-541	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637
Lycoming IO-720	IO-720	S/N 0 – ZZZZZZZZZZZZZZZ	ZZZZZZZZZZZZZZZ	Eligibility Chart 6637

FAQs

How do I maintain my fuel and oil drain valves?

Curtis Superior and SAF-AIR valves are designed for installation in a standard NPT port for NPT threaded valves or an AND-10050 style port for UNF threaded valves. Use a thread sealant or Teflon tape on pipe threaded valves. Never allow any thread sealant on the first thread . This will prevent contamination of the fuel system. Refer to aircraft manufacturer's torque specifications for the aircraft in which it is being used.

Replace the rubber seals as per the aircraft manufacturer’s recommendations or every ten years when no guidance is given. McFarlane stocks replacement seals and seal kits for both Curtis Superior and SAF-AIR valves. The new Curtis valves use a O-ring type seal instead of the flat seal that was previously used.

SAF-AIR valves are designed to be disassembled and the O-rings replaced. Over time, if the valve should start to leak, check to make sure the drain valve is tight. If drain valve is found to be tight, then check the O-rings. All O-rings used are buna "n", MS29513 Style, MIL-P-5315. SAF-AIR O-ring seal kits are available for most of their valves. Add a "K" or "-K" suffix to the valve part number.

Never have a hose attached in flight to the oil drain valve. Engine vibration and the additional attached mass can cause premature seal and valve wear which could result in valve failure and a loss of engine oil.

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