Part# 08-11683
MFR Model# SL18109A-S
Vendor Part NumberQuantity NeededDescriptionPart Number
SL18109A-S 1Oil Pump Gears08-11683


Lycoming engines are the culmination of hundreds of parts improvements made over the last six decades.

In Accordance with Textron-Lycoming Mandatory Service Bulletin 240R
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -

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Both these items were return to sender for reasons unbeknown to me. I received a notification of a credit but the credit amount is not equal to my costs. The credit fails to include the postage costs. I have sent 2 previous emails on this subject with no clarification as to why the postage costs have not been credited, after all the service was in my mind not used. I have been using Aircraft Spruce for the last 10 + years no problems until now. Still waiting on some clarification to my email. This order has been ordinary to say the least. As for reorder I have sourced these items else where.

Graham J Verified Purchase


September 16, 2023

Product as advertised.

David M
January 11, 2021

as described

Mark M
April 23, 2020

What I ordered and on time!

April 9, 2020

What an you say about flat washers? They are flat, round and the correct diameter. Thanks.

Julicher A
January 28, 2020

Great Product

John D
November 21, 2019

Of obvious high quality, shipped very promptly, A+

Paul N
October 6, 2019

What expected

August 24, 2019

Prompt delivery and a good quality pump.

Don J
December 9, 2018

Replacement pump well packaged and now working to specification. Maybe I missed the information in the listing but suggest you state that the overhauled pump comes with gasket and O-rings. I ordered an extra pump to accessory case gasket.

Roger H
September 15, 2018


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Is SL69603 a set of 4 intake hoses?

No. They are sold individually, for 4 quantity 4 needs to be ordered.

Q: Does the gasket kit include intake tube rubber hoses?

No. They are not included.

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