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ACS ENGINE PRIMER 10920

$189.00/Each
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Part# 05-19920
MFR Model# 10920

Overview

Formerly manufactured by Gerdes Products, this primer has an anodized, all aluminum body and an engraved aluminum knob. The inlet and outlet ports are located on the sides of the pump and both are 5/16-24 male thread fitting. Overall length is 3-5/8 and weight is 3.5 oz. New manufacture. Current inlet and outlet locations were changed from original design on 10-27-16.

Made in USA

Note: 2 O-Rings are used per primer. For overhaul, customer will need quantity 2 of 05-19920. See Accessories.

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Reviews

Worked out perfectly. Identical swap out for the primer that was in my J3.

Mark R
July 30, 2020

Nice quality primer with a positive lock. Installed this unit on my experimental Super Cub using the standard 1/8 fittings off the old primer. Works perfect and I really like the locking design.

Allen R
September 8, 2017

It is not expensive and looks good but my primer is leaking. I have to plug the priming line to eliminate rough running.

Konstantin K
August 5, 2018

Good: It does have a positive lock, which was nice. Bad: Short stroke so doesnt move much fuel. Aluminum, so it wants to bind and gaul. Worked adequately for a couple of years, now wont draw in any fuel. Ill be removing it to re-install the old Lukenheimer primer I had replaced with this one. Disappointed for the cost.

Jeff S
July 20, 2018

Q&A

Q: What size hole does this primer mount in?

The mounting threads are 5/8", and the primer line threads are 5/16-24 threaded male.

Q: Is this ACS primer FAA approved for use in certificated aircraft?

No. This primer is not FAA Approved. It is intended for experimental aircraft use only.

Q: Does the ACS primer come furnished with o-rings?

The unit comes with o-rings already installed. Replacement o-rings are available, p/n 05-19920.

Q: Does this ACS primer twist lock in the closed position?

PER VENDOR: I'm not exactly sure what is meant by twist lock in the closed position, but I believe the answer is yes. The knob / piston assembly can be pushed in and rotated into a locked position. We have added paperwork to the 'Documents' tab on the web page on how it functions. I hope this helps.

Q: What is the overall length of this ACS Primer pump? Do you have an idea of output volume?

The total length is 3-5/8", but we do not have any documents that gives the output volume.

Q: I am replacing one on my Cub PA11, is it compatible to it?

There is not an aircraft eligibility chart for this product. It is commonly used on many aircraft. It is likely that it nis is the same product you are replacing on the Cub.

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