Sacrificial Zinc Pencil Engine Anodes
These Engine Anodes (also known as pencil zincs) increase the longevity of your engine when installed on your engine block. Our zinc engine anodes protect heat exchangers from corrosion issues. Coupled with brass plugs, we carry varying sizes from 1/4″ to 1″ NPT (National Pipe Thread).
All of our Pencil Zincs conform to meet highest MIL-Spec standard Mil-Spec 18001, and are manufactured by the world’s finest Boat Zinc supplier Sea Shield Marine.
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(E-0-Complete) Pencil Zinc Anode 3/8"x 1-3/4" w/ Brass Plug
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Engine Anodes E-0 Pencil Zinc 3/8″x 1-3/4″(E-0-Complete)
- Brass Plug NPT Size 1/4″ (National Pipe Thread).
- Brass Plug OD Size 1/2″ (Outside Diameter).
- Dia x Length 3/8″ x 1-3/4″.
- Zinc Thread Size 5/16″ – 18
$8.80$4.40Add to cartQuick View -
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(E-0-E-5XL) Replacement Pencil Zinc Engine Anodes (without Brass Plug)
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Select optionsQuick View(E-0-E-5XL) Replacement Pencil Zinc Engine Anodes (without Brass Plug)
$1.98 – $20.35Replacement Pencil Zinc Anodes (Zinc Only)
- Replacement Mil-Spec 1-A-18001 zinc anodes for NPT brass plugs.
- Threads are measured by UNC standards.
- Made to protect your engine blocks and heat exchangers
- Made in USA, by Sea Shield Marine
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(E-1-Complete) Pencil Zinc Anodes 1/2"x 2" w/ Brass Plug
-35%Add to cartQuick View(E-1-Complete) Pencil Zinc Anodes 1/2″x 2″ w/ Brass Plug
Engine Anodes E-1 Pencil Zinc 1/2″x 2″ (E-1-Complete)
- Brass Plug NPT Size 3/8″ (National Pipe Thread).
- Brass Plug OD Size 5/8″ (Outside Diameter).
- Dia x Length 1/2″ x 2″
- Zinc Thread Size 3/8″ – 16
$10.35$6.73Add to cartQuick View -
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(E-2-Complete) Pencil Zinc Engine Anodes 5/8"x 2" w/ Brass Plug
-41%Add to cartQuick View(E-2-Complete) Pencil Zinc Engine Anodes 5/8″x 2″ w/ Brass Plug
Engine Anodes E-2 Pencil Zinc 5/8″x 2″ (E-2-Complete)
- Brass Plug NPT Size 1/2″ (National Pipe Thread).
- Brass Plug OD Size 3/4″ (Outside Diameter).
- Dia x Length 5/8″ x 2″
- Zinc Thread Size 9/16″ – 12
$17.75$10.56Add to cartQuick View -
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(E-2X-Complete*) Pencil Zinc Anode 5/8"x3" w/ Brass Plug
-51%Add to cartQuick View(E-2X-Complete*) Pencil Zinc Anode 5/8″x3″ w/ Brass Plug
Engine Anodes E-2X Pencil Zinc 5/8″x 3″ (E-2X-Complete*)
- Brass Plug NPT Size 1/2″ (National Pipe Thread).
- Brass Plug OD Size 3/4″ (Outside Diameter).
- Dia x Length 5/8″ x 3″
- Zinc Thread Size 9/16″ – 12
$22.28$10.89Add to cartQuick View -
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(E-2XL-Complete) Pencil Zinc Engine Anode 5/8"x 6" w/ Brass Plug
-41%Add to cartQuick View(E-2XL-Complete) Pencil Zinc Engine Anode 5/8″x 6″ w/ Brass Plug
Engine Anodes E-2XL Pencil Zinc 5/8″x 6″ (E-2XL-Complete*)
- Brass Plug NPT Size 1/2″ (National Pipe Thread).
- Brass Plug OD Size 3/4″ (Outside Diameter).
- Dia x Length 5/8″ x 6″
- Zinc Thread Size 9/16″ – 12
$25.53$14.96Add to cartQuick View -
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(E-3-Complete) Pencil Zinc Engine Anode 3/4"x 2" w/ Brass Plug
-42%Add to cartQuick View(E-3-Complete) Pencil Zinc Engine Anode 3/4″x 2″ w/ Brass Plug
Engine Anodes E-3 Pencil Zinc 3/4″x 2″ (E-3-Complete)
- Brass Plug NPT Size 3/4″ (National Pipe Thread).
- Brass Plug OD Size 1″ (Outside Diameter).
- Dia x Length 3/4″ x 2″
- Zinc Thread Size 1/2″ – 13
$20.74$12.10Add to cartQuick View -
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(E-3X-Complete) Pencil Zinc Engine Anode 7/8"x3" w/ Brass Plug
-48%Add to cartQuick View(E-3X-Complete) Pencil Zinc Engine Anode 7/8″x3″ w/ Brass Plug
Engine Anodes E-3X Pencil Zinc 7/8″x3″(E-3X-Complete*)
- Brass Plug NPT Size 3/4″ (National Pipe Thread).
- Brass Plug OD Size 1″ (Outside Diameter).
- Dia x Length 7/8″ x 3″
- Zinc Thread Size 13/16″ – 10
$49.23$25.74Add to cartQuick View -
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(E-3XL-Complete) Pencil Zinc Engine Anode 7/8"x6" w/ Brass Plug
-45%Add to cartQuick View(E-3XL-Complete) Pencil Zinc Engine Anode 7/8″x6″ w/ Brass Plug
Engine Anodes E-3XL Pencil Zinc 7/8″x6″(E-3XL-Complete*)
- Brass Plug NPT Size 3/4″ (National Pipe Thread).
- Brass Plug OD Size 1″ (Outside Diameter).
- Dia x Length 7/8″ x 6″
- Zinc Thread Size 13/16″ – 10
$56.74$31.46Add to cartQuick View -
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(E-4 Complete) Pencil Zinc Engine Anode 3/4"x 3-3/8" w/ Brass Plug
-44%Add to cartQuick View(E-4 Complete) Pencil Zinc Engine Anode 3/4″x 3-3/8″ w/ Brass Plug
Engine Anodes E-4 Pencil Zinc 3/4″x 3-3/8″ (E-4-Complete)
- Brass Plug NPT Size 3/4″ (National Pipe Thread).
- Brass Plug OD Size 1″ (Outside Diameter).
- Dia x Length 3/4″ x 3-3/8″
- Zinc Thread Size 1/2″ – 13
$23.39$13.20Add to cartQuick View -
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(E-5X-Complete) Pencil Zinc Engine Anode 1" x 3" w/ Brass Plug
-39%Add to cartQuick View(E-5X-Complete) Pencil Zinc Engine Anode 1″ x 3″ w/ Brass Plug
Engine Anodes E-5X Pencil Zinc 1″x 3″ (E-5X-Complete*)
- Brass Plug NPT Size 1″ (National Pipe Thread).
- Brass Plug OD Size 1-3/8″ (Outside Diameter).
- Dia x Length 1″ x 3″
- Zinc Thread Size 1″ – 12
$40.84$24.75Add to cartQuick View -
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(E-5XL-Complete) Pencil Zinc Engine Anode 1"x 6" w/ Brass Plug
-32%Add to cartQuick View(E-5XL-Complete) Pencil Zinc Engine Anode 1″x 6″ w/ Brass Plug
Engine Anodes E-5XL Pencil Zinc 1″x 6″ (E-5XL-Complete*)
- Brass Plug NPT Size 1″ (National Pipe Thread).
- Brass Plug OD Size 1-3/8″ (Outside Diameter).
- Dia x Length 1″ x 6″
- Zinc Thread Size 1″ – 12
$47.70$32.67Add to cartQuick View
