Name: AF15472 Tempest New Fuel Pump
Brand: Tempest
SKU: 05-02555
Price: 449 USD
Availability: InStock
Rating: 3.92 (26 reviews)

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Aircraft Spruce Australia
Melbourne, VIC Australia

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AF15472 Tempest New Fuel Pump

26 Reviews 8 Answered Questions

$493.90/Each

Price Includes GST

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Part# 05-02555
MFR Model# AF15472

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MMO	Description	PN
AF15472	LOW PRESSURE 4 - 6 PSI CHANNEL ARM FUEL PUMP	05-02555

Overview

The Early Model Lycoming Fuel Pump
(40174/40295 low pressure, 40595 medium pressure, 40296 high pressure)
In the spring of 1964, AC introduced the first dual diaphragm type fuel pumps. These pumps were the first models to incorporate the oil seal integral with the upper diaphragm and a separator ring for installation of the vent / overboard drain line. These pumps are characterized by a rocker arm which is an early riveted, laminated design. Current production in Lycoming pumps will not fit some pre-1978 applications without expensive modifications. You can eliminate the need for these modifications by ordering an FAA Approved overhauled early model pump for direct replacement.

The Late Model Lycoming Fuel Pump
During August of 1978, AC introduced what is now known as the "late model" fuel pump which has a "channeled" rocker arm. This pump is taller than the early laminated arm pump and has a unitized diaphragm assembly. Because of its increased size some pre-1978 model aircraft require expensive and time consuming modifications to carburetors or accessory housings (ref: Lycoming Service Inst. No. 1110C). These modifications are not required if our smaller, early model laminated fuel pumps are installed on your aircraft.

Download Tempest Fuel Pump Application Guide for Lycoming PDF

Download Tempest Fuel Pump Application Chart for Lycoming PDF

Reviews

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Item did not fit my Piper, returned items incur a charge.

Eugene A

Verified Purchase

AF15472 Tempest New Fuel Pump

October 16, 2024

Great mechanical fuel pump. Mine went out after 17 years (also a Spruce purchased pump) Spruce provides excellent service and reliable products for my plane for 30 years now. thank you.

Robert S

Verified Purchase

AF15472 Tempest New Fuel Pump

July 30, 2024

No surprise

Michel R

Verified Purchase

AF15472 Tempest New Fuel Pump

December 19, 2023

Robert S

Verified Purchase

AF15472 Tempest New Fuel Pump

August 1, 2023

Received item on time actually sooner than expected great price had a great experience dealing with aircraft spruce as always.

Don M

Verified Purchase

AF15472 Tempest New Fuel Pump

June 2, 2023

works well

Richard B

Verified Purchase

AF15472 Tempest New Fuel Pump

April 25, 2023

5 star

William V

Verified Purchase

AF15472 Tempest New Fuel Pump

March 21, 2023

Perfect replacement for the the Lycoming 15472 fuel pump. Comes with gasket.

Peter D

Verified Purchase

AF15472 Tempest New Fuel Pump

October 13, 2022

Finally got the pump installed had to pull the mag which really made it easy to install the pump. Tight working spaces on an RV7 had to cut an Allen wrench to fit between the pump and prop control mounting. Works as advertised 30 psi Thanks for including the gasket and “O” rings putting the safety wire back was a little time consuming

Jack H

June 11, 2021

Worked perfect ,thanks again Aircraft spruce!

Hi L

February 24, 2021

Perfect replacement for my Lycoming IO360. Well made and perfect fit. Works great.

Rob H

September 23, 2020

Works great.

Bill

September 16, 2020

A quality fuel pump that is working like it should. I was hesitant to change this on my homebuilt after reading several horror stories on a popular forum. If you follow the instructions that came with the fuel pump......it is a straight forward procedure that can be accomplished easily. You do not need heavy grease, or a piece of string to hold up the push rod........just follow the instructions!

Robert L

September 7, 2020

It works like it should. My old pump failed letting fuel into the oil. Reading on the web these pumps should be replaced every 10 years! It was exceedingly difficult to install with the tight firewall clearance in my homebuilt. I had to use spray gasket sealer to hold the gasket in place. With the crank turned to the higher plunger position the plunger pin would not stay up with grease but after I finished I read that someone did that with wire lacing cord. The allen wrench interferes with the sides of the pump so you cannot feel when tightening if the plunger is up or keep it up. I had to grind down the sides of allen wrench to make it possible to feel if it was staying in place plunger up.

Del S

January 27, 2020

Thanks, excellent help as always!

Scott P

September 20, 2019

Note that the Tempest pump, AF15473, *does* come with a gasket. You do not need to order a gasket separately for that pump.

Andy E

June 10, 2019

Good quality from a company that I trust. Works as expected.

David B

March 26, 2017

Aircraft Spruce shipped this right away. five starts to them. This fuel pump is NOT the exact same size as the Lycoming fuel pump, so you may ned to modify your shroud. Everything else seems first rate, thats why 4 stars.

John W

November 13, 2017

Product works as advertised. However, the body of the pump was different than the previous fuel pump and hampered the installation process. It was a very tricky process to install in tight spaces.

Ben E

Verified Purchase

AF15472 Tempest New Fuel Pump

October 31, 2021

Be very careful with the hose fittings, especially the small fuel vent one. I tried using my previous 3AN fitting and broke the housing due to bad treads on my fitting. My fault but pump useless so I had to order another one. This time with a new fitting it was fine.

Steve H

January 30, 2021

This is the second pump I had to purchase for my customer, we put the first one on, an overhauled unit, it lasted less than 1 hour. Im still waiting for confirmation from Carolyn to receive warranty reimbursement for it.

Lee

December 30, 2020

One of the problems with this fuel pump is its difficult or impossible to use the original bolts. The housing interferes with the installation of the bolts because of the length of the bolt and the diagram housing bulge. Better installation instructions would possibly be helpful.

Jeffrey F

Verified Purchase

AF15472 Tempest New Fuel Pump

October 24, 2022

Installed 3/11/18, lasted 138 hours. Total junk, look for another

Russell P

July 12, 2021

The pump works,but does not fit a 1967 Piper Cherokee well. Extensive modifications to the cooling shroud are required. The hose fittings are clocked in the correct position, but are an inch lower. The neck of this pump where it attaches to the block is a lot wider then the original. The shroud has to be modified there also. The allen headed bolts need some modifying also, to get a straight shot at the the threads on the block. I would get my original rebuilt and skip the changes to the shroud as this would save money on the aps install charge.

Doug P

January 7, 2021

This new fuel pump was installed and there still was no fuel pressure so a couple more hours of troubleshooting was done to find the cause only to finally come back to indicate the new pump was defective. I thought by buying a new pump instead of a rebuilt one would ensure a higher quality. Nope. I would have been money ahead had I bought the Champion brand and not had to pay for the extra troubleshooting time.

Doug K

December 24, 2020

Depends I bought this unit to replace the one I bought 2 months ago which failed.

Jerry C

September 21, 2019

Q&A

Please note, Aircraft Spruce Australia'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 Australia 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: What is the difference between the LW15473 and the AF15473? Both are rated for the IO-360 which is fuel injected and appear to have the same pressure ratings.

The LW15473 is taller than the ADF15473 pump. They may not fit all the same applications due to the size.

Q: What is the flow rate of the fuel pump LW15473?

The flow rate of this fuel pump is 45 GPH (gallons per hour). The operating pressure is 24-30psi.

Q: What is the difference between the LW15473 and the LW15472?

LW15473 is a high pressure fuel pump and LW15472 is a low pressure fuel pump.

Q: What is the flow rate on a LW15472 fuel pump?

We could not find any info on flow rate, but the application chart lists this unit as 4-6 PSI.

Q: Im hoping the AF15472 is an exact replacement for the LW15472. Is this true? Does the AF15472 come with a gasket?

Yes, the AF15472 & LW15472 are the same, and the AF15472 does come with a gasket.

Q: Does the AF15472 have a laminated arm?

No, AF15472 has a channel arm.

Q: What are the dimensions for the vent port on a Tempest LW15472 fuel pump - thread size and 37 ft flare? Or part number for a right angle fitting for the vent port?

The two large ports are 1/4npt and the small port is 1/8 NPT. You would need to determine the correct fitting for your application.

Q: Does the Tempest Fuel Pump, Part Number AF-15473, come with a gasket?

Yes this does ship with a gasket.

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AF15472 Tempest New Fuel Pump

Overview

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