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Autolite Aviation Spark Plugs Autolite Annie Products News Contacts spacer
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by Unison
High-Conductivity copper core electrode Vacuum-cemented center electrode High-alumina ceramic insulator Proprietary glass center seal and integral resistor Hot-lock assembly procedure Bright nickel plating Non-screw head electrode Default Improved scavenging Projected gap design Iridium electrodes Pedestal mount Proven performance High temperature black paint Default
spacer Plugs & Products: Autolite Massive Aviation Spark Plugs spacer   spacer
It's time to change your plugsTM.

OEMs and overhaul facilities around the world are specifying massive electrode Autolite® Aviation Spark Plugs for their performance, heat transfer, leakage protection, advanced reliability, long life and cost-effectiveness. View the information provided below to learn more about key features, or click here to learn how you can purchase your set of Autolite Aviation Spark Plugs.

[Key Features] [Specifications] [Autolite Spark Plug Brochure]

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Key Features

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Autolite Massive Aviation Spark Plug

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Specifications:

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Unison / Autolite
Part #

Mounting
Thread Size

Reach

Shielding
Thread

Gap
(Current Autolite Gap)

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UREM38E 18mm 1/2" 5/8" - 24 .016" - .021"
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URHM38E 18mm 1/2" 3/4" - 20 .016" - .021"
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UREM40E 18mm 1/2" 5/8" - 24 .016" - .021"
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URHM40E 18mm 1/2" 3/4" - 20 .016" - .021"
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URHB32E 18mm 13/16" 3/4" - 20 .016" - .021"
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UREB37E 18mm 13/16" 5/8" - 24 .016" - .021"
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URHB37E 18mm 13/16" 3/4" - 20 .016" - .021"
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UREM37BY2 18mm 1/2" 5/8" - 24 .016" - .021"
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Cross Reference:  (depends upon application)

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Unison / Autolite
Part #

Bendix Autolite Part #
(pre 1980s)

Champion
Part #

Auburn
Part #

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UREM38E SH26 REM38E SR-86
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URHM38E SH260 RHM38E HSR-86,-87
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UREM40E SH20A REM40E SR-87,-88
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URHM40E SH200A RHM40E HSR-87,-88
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URHB32E SL350 RHB32E 273
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UREB37E SL30A REB37E 171
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URHB37E SL300A RHB37E 271
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UREM37BY2 - REM37BY -
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2 UREM37BY is a projected gap design

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