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Autolite A353 14mm Spark Plug-13/16 Hex-Gasket Seat .375 In Reach, Med
Autolite A353 14mm Spark Plug-13/16 Hex-Gasket Seat .375 In Reach, Med

Autolite A353 14mm Spark Plug-13/16 Hex-Gasket Seat .375 In Reach, Med

Universal Fit, Gasket Spark Plug Seat Style, Gasket Seat Taper, 0.375" Spark Plug Reach

1 Review | 1 Answered Question
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Autolite A353 14mm Spark Plug-13/16 Hex-Gasket Seat .375 In Reach, Med
Autolite A353 14mm Spark Plug-13/16 Hex-Gasket Seat .375 In Reach, Med
Autolite A353 14mm Spark Plug-13/16 Hex-Gasket Seat .375 In Reach, Med
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Autolite A353 14mm Spark Plug-13/16 Hex-Gasket Seat .375 In Reach, Med
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Part # 373353
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Details

Spark Plug Seat Style:
Gasket
Seat Taper:
Gasket
Spark Plug Reach:
0.375"
Thread Pitch:
14mm
Insulator Type:
Projected
Resistor:
Yes
MFG. Part #:
A353
Overall Length:
14.00"
Wrench Size:
13/16"
Sold in Quantity:
Each
Notes:
Medium

Info

Autolite Racing spark plugs feature a cut back ground electrode, anti-corrosive nickel plating, and large ground electrode for better heat transfer. Heat range Medium. 

  • Standard tip
  • 14 mm plug
  • .375" reach
  • 13/16" hex
  • Gasket seat
  • Non-resistor
  • Vendor Number: 353

Note: Please use the Vendor Number to reference the PDF chart links listed.

Heat Range Chart (PDF)

Racing Plug Tech Note (PDF)

Understanding Heat Range (PDF)

Autolite Cross Reference Chart (PDF)

Item Details

Medium
Vendor Part Number 353

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

Reviews

Q & A

Videos & Articles
  • Follow along as our expert goes through his process for replacing the steel wire covers on his 1954 Dodge 241 with a set of Offenhauser Finned Wire Covers.
  • Learn how to install spark plug wire ends. Our step by step guide takes you through terminal end and boot installation with the use of a wire stripper tool.
  • In preparation to transplant a 430hp 383 stroker into Project Chevelle, Zach R. made up a set of plug wires for the car. To keep it nice and tidy they needed to be routed just right, be the perfect length and not distract from the engine!

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