Champion REL37B Aviation Spark Plugs – Set of 4 (NOS)
Offered for sale is a rare set of four (4) Champion REL37B aviation spark plugs, featuring twin nickel electrodes and 5/8-24 thread configuration.

These plugs are new old stock (NOS) and are no longer commonly available, making them highly desirable for aircraft maintenance, vintage aircraft restorations, and collectors of aviation components.

Champion aerospace spark plugs are known for their durability, ignition reliability, and performance in piston aircraft engines.

Condition
New Old Stock (NOS)

• Unused spark plugs
• Three original containers opened
• Minor cosmetic marks from storage
• Two plugs include copper spark plug gasket

Included

4 × Champion REL37B Aviation Spark Plugs
Twin Nickel Electrode
5/8-24 Thread

Only the items shown in the photos are included.

Alternate Part Numbers
Tempest TR-M37BY
Autolite AV37BY

Weight 1 lbs
Dimensions 7 × 6 × 7 in
Brand

Champion Slick KLG Auburn

Manufacturer Part Number

REL37B REL 37 B REL-37B REL-37 Tempest TR-M37BY Autolite AV37BY

Manufacturer

Champion Aerospace

MPN

REL37B REL 37 B REL-37B REL-37 Tempest TR-M37BY Autolite AV37BY

Country/Region of Manufacture

US

Condition

New other (see details)

Condition Details

Safe $$$ , Set of 4 NOS (New Old Stock) unused spark plugs – excellent shielded 5/8 24 thread Minor cosmetic signs of long-term storageAccessories: Two plugs include a Copper Spark Plug Gasket – the other two do not.

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Champion REL37B Aviation Spark...

$444.00