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Champion Spark Plugs - REM38E

Packaged Items
SinglePack of 12

Overview

In the early 1900s, small planes flew with single ignition systems powered by adapted automobile engines using Champion-brand automotive spark plugs. By the 1920s, the company had developed innovative spark plugs designed specifically for the aviation industry.

Champion Aerospace designs and manufactures Champion-brand piston-engine ignition components for both OEM and aftermarket for general aviation aircraft applications. Every spark plug manufactured has built-in design advantages that assure longer life and greater reliability.

A typical spark plug number with symbol explanation

1. Resistor None--No Resistor R--Mil-Spec. Resistor-Erosion protection
2. Barrel Style None -- Unshielded E -- Shielded 5/8"-24 Thread
H -- Shielded 3/4"-20 Thread (All Weather Plug)
3. Mounting Thread -- Reach -- Hex Size B-18mm 13/16" / 2.06cm 7/8" / 2.22cm M--18mm 1/2"/1.27cm 7/8"/2.22cm
L-14mm 1/2"/1.27cm 13/16/2.06cm U18mm 1-1/8"/2.85cm 13/16/2.06cm
J -- 14mm 3/8"/0.95cm 13/16/2.06cm
4. Heat Rating Position Low number--cold High number--hot
5. Electrode Design None-Conventional single E -- Two prong massive
N -- 4 prong massive
W -- Fine wire (Iridium) B --2 prong massive, Tangent to Center
P--Fine wire (Platinum)


* Shielded barrel thread size. Check barrel size - 5/8x24 or 3/4x20 threads before ordering and select proper plug number, See page 236 for Sparkplug Application Table.

** The "Iridium S" sparkplugs replace the Platinum and "W" Iridium types. Increased bore diameter improves scavenging action. Greater clearance volume can accept more combustion deposits. Single Iridium electrode offers greater resistance to lead attack. Easy to clean Easy to gap


NOTE:
Spark plugs are shipped in factory sealed plastic cases. Opened spark plug cases make the spark plugs non-returnable. Please do not open any spark plug until you are sure you have received the correct spark plugs for your application.
   
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Reviews

Aeroclub D Verified Purchase

CHAMPION SPARK PLUG REM38E

March 21, 2024

On time and as specified

Fred M Verified Purchase

CHAMPION SPARK PLUG REM38E

March 6, 2024

Good product but price is more than Tempest plug. However the wrenching on the Champion plug are higher on the shaft and allow for clearance for CHT spark plug gaskets in the spark plug counterbore of the engine. Tempest plug wrenching a lower (more towards tip) and will not always clear a CHT gasket probe.

Gary S Verified Purchase

CHAMPION SPARK PLUG REM38E

December 20, 2023

Arrived sealed as promised

Bob M Verified Purchase

CHAMPION SPARK PLUG REM38E

December 12, 2023

Expensive, but top quality.

Bruce M Verified Purchase

CHAMPION SPARK PLUG REM38E

July 7, 2023

It was correct for what I ordered

John M Verified Purchase

CHAMPION SPARK PLUG REM38E

April 20, 2023

Good product and great service

Philip
January 1, 2018

Hard to understand why these are priced so high when it is impossible to tell the difference from a Tempest plug that is ~20% less expensive.

Specialty F Verified Purchase

CHAMPION SPARK PLUG REM38E (BOX OF 12)

September 16, 2023

Q&A

Please note, Pilotshop.com'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. Pilotshop.com 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: Do the Spark Plugs REM38E come with a new gasket p/n STD-295?

They do come with a new copper gasket, but no specific part number.

Q: What is the difference between the REM38E and the REM40E?

The 38 and 40 refer to the heat rating position of the plug. Champion does not provide specific temperatures, only that the higher number has a hotter heat rating and the lower the number the colder the rating. Which plug to use should be determined by the aircraft mechanic depending on conditions of operation and application.

Q: Do the Champion spark plugs come pre-gapped?

The spark plugs are labeled with a gap of .016-.021. It is recommended to check the gap before installation to be sure it is set where you need it to be.

Q: What is the thread pitch on the 18mm mounting thread n the REM38/40E

M18 x 1.5