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.
-
(E-0-Complete) Pencil Zinc Anode 3/8″x 1-3/4″ w/ Brass Plug
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
$9.50$6.65Add to cartQuick View -
(E-0-E-5XL) Replacement Pencil Zinc Engine Anodes (without Brass Plug)
Replacement 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
Select optionsQuick 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
$15.49$10.84Add 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
$17.09$11.96Add 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
$19.90$13.93Add 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
$23.39$16.37Add 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
$27.77$19.50Add 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$34.46Add 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$39.72Add 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
$28.24$19.75Add 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
$38.45$26.92Add 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
$45.81$32.07Add to cartQuick View