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You are here: Home > Zincs-Pencil/Engine > Cor Ins Type C with Reinforcing Wire
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Replacement Plug Replacement Zinc
You can buy these pencil anodes complete or by the rod and plug.

Corrosion-Inhibitor Rods + Plugs with Reinforcing Wire a.k.a (Engine Anode)
Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs. Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water. The following are sizes we stock and can ship out same day!
NPT Pipe Size Pencil Rod Length Pencil Rod Diameter Plug / Rod Thread
1/4" 3"or 6" 3/8" 3/8-24 NF
3/8" 3"or 6" 1/2" 7/16-20 NF
1/2" 3"or 6" 5/8" 9/16-18 NF
3/4" 3.5"or 7" 13/16" 11/16-16 NF
1" 4"-14" 1" 7/8-14 NF
1 1/4" 6" 1 1/4" 3/4-10 NC

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COR-IN-1"-NPT--X-8"-COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG COR-IN-1"NPT--X-12--COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG COR-IN-1"NPT--X-14-COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG COR-IN-1--NPTX-4--COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG
Our Price: $18.65
Our Price: $20.10
Our Price: $21.95
Our Price: $12.93
1"NPT Brass plug X 8 length of zinc rod COMPLETE
Wrench size 1 3/8"

Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs.
Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
1"NPT Brass plug X 12 length of zinc rod COMPLETE
Wrench size 1 3/8"

Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs.
Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
1"NPT Brass plug X 14 length of zinc rod COMPLETE
Wrench size 1 3/8"

Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs.
Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
1"NPT Brass plug X 4 length of zinc rod COMPLETE
Wrench size 1 3/8"

Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs.
Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
COR-IN-1--X-12-ZINC PENCIL ANODE REPLACEMENT COR-IN-1--X-14-ZINC PENCIL ANODE REPLACEMENT COR-IN-1--X-4-ZINC PENCIL ANODE REPLACEMENT COR-IN-1--X-6-ZINC PENCIL ANODE REPLACEMENT
Our Price: $14.31
Our Price: $16.16
Our Price: $7.14
Our Price: $8.96
COR-IN-1--X-12-ZINC PENCIL ANODE REPLACEMENT COR-IN-1--X-14-ZINC PENCIL ANODE REPLACEMENT COR-IN-1--X-4-ZINC PENCIL ANODE REPLACEMENT COR-IN-1--X-6-ZINC PENCIL ANODE REPLACEMENT
COR-IN-1--X-8-ZINC PENCIL ANODE REPLACEMENT COR-IN-1-1/4"--X-6"--COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG COR-IN-1-1/4"--X-6"-ZINC PENCIL ANODE REPLACEMENT COR-IN-1-NPT-X-6--COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG
Our Price: $12.86
Our Price: $34.36
Our Price: $15.46
Our Price: $14.75
COR-IN-1--X-8-ZINC PENCIL ANODE REPLACEMENT 1 1/4"NPT Brass plug X 6 length of zinc rod COMPLETE
rod diameter
1 1/4"   rod thread 3/4 10 NC

Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs.
Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
COR-IN-1-1/4"--X-6"-ZINC PENCIL ANODE REPLACEMENT 1"NPT Brass plug X 6 length of zinc rod COMPLETE
Wrench size 1 3/8"

Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs.
Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
COR-IN-1/2--NPT--X-3-COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG COR-IN-1/2--X-3-ZINC PENCIL ANODE REPLACEMENT COR-IN-1/2--X-6-ZINC PENCIL ANODE REPLACEMENT COR-IN-1/2-NPT-X-6-COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG
Our Price: $4.97
Our Price: $2.35
Our Price: $3.80
Our Price: $6.42
1/2 "NPT Brass plug X 3 length of zinc rod COMPLETE
rod diameter  5/8"   rod thread  
  9/16 18 NF   Wrench Size: 7/8"


Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs. Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
COR-IN-1/2--X-3-ZINC PENCIL ANODE REPLACEMENT COR-IN-1/2--X-6-ZINC PENCIL ANODE REPLACEMENT 1/2 "NPT Brass plug X 6 length of zinc rod COMPLETE
rod diameter  5/8"   rod thread  
  9/16 18 NF   Wrench Size: 7/8"


Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs. Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
COR-IN-1/4"-NPT--X-3"-COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG COR-IN-1/4"-NPT--X-6-COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG COR-IN-1/4"-X-3"-ZINC PENCIL ANODE REPLACEMENT COR-IN-1/4"-X-6-ZINC PENCIL ANODE REPLACEMENT
Our Price: $4.07
Our Price: $5.03
Our Price: $1.97
Our Price: $2.93
1/4"NPT Brass plug X 6 length of zinc rod COMPLETE
rod diameter 3/8" rod thread 3/8 24 NF Wrench Size: 9/16"


If you cut down zinc length will work with:
Caterpillar Marine Engine Anode Cross Reference
6L2283
Westerbeake /Universal
011885
Crusader
CRU10335
CRU10972
CRU168005

Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs. Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
1/4"NPT Brass plug X 6 length of zinc rod COMPLETE
rod diameter  3/8"   rod thread  3/8 24 NF  Wrench Size: 9/16"


If you cut down zinc length will work with:
Caterpillar Marine Engine Anode Cross Reference
6L2280
6L2283
Westerbeake /Universal
011885
Crusader
CRU10335
CRU10972
CRU168005

Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs. Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
COR-IN-1/4"-X-3"-ZINC PENCIL ANODE REPLACEMENT COR-IN-1/4"-X-6-ZINC PENCIL ANODE REPLACEMENT
COR-IN-3/4--X-3-1/2-ZINC PENCIL ANODE REPLACEMENT COR-IN-3/4--X-7-ZINC PENCIL ANODE REPLACEMENT COR-IN-3/4-NPT-X-7-COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG COR-IN-3/4-NPT-X3-1/2-COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG
Our Price: $3.77
Our Price: $6.30
Our Price: $10.07
Our Price: $7.54
COR-IN-3/4--X-3-1/2-ZINC PENCIL ANODE REPLACEMENT COR-IN-3/4--X-7-ZINC PENCIL ANODE REPLACEMENT 3/4 "NPT Brass plug X 7 length of zinc rod COMPLETE
rod diameter  
13/16"    rod thread    11/16 16 NF   Wrench Size: 1 1/16"


Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs. Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
3/4 "NPT Brass plug X 3.5 length of zinc rod COMPLETE
rod diameter  
13/16"    rod thread    11/16 16 NF   Wrench Size: 1 1/16"


Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs. Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
COR-IN-3/8--X-3-ZINC PENCIL ANODE REPLACEMENT COR-IN-3/8--X-6-ZINC PENCIL ANODE REPLACEMENT COR-IN-3/8-NPT---X-3-COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG COR-IN-3/8-NPT---X-6-COMPLETE ZINC PENCIL ANODE WITH BRASS PLUG
Our Price: $2.33
Our Price: $3.01
Our Price: $4.51
Our Price: $5.19
COR-IN-3/8--X-3-ZINC PENCIL ANODE REPLACEMENT COR-IN-3/8--X-6-ZINC PENCIL ANODE REPLACEMENT 3/8"NPT Brass plug X 3 length of zinc rod COMPLETE
rod diameter 1/2" rod thread
7/16 20 NF Wrench Size: 11/16"


Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs. Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
3/8"NPT Brass plug X 6 length of zinc rod COMPLETE
rod diameter 1/2" rod thread
7/16 20 NF Wrench Size: 11/16"


Also known as sacrificial anodes, pencil anodes or engine anodes, these zinc rods are consumed by any electrolytic action that would otherwise attack and corrode your valuable equipment. A reinforcing steel core holds zinc in place until it's completely consumed. They come with NPT hex brass plugs. Zinc rods protect from corrosion and scaling in hot water applications. Ideal for use in salt water. They can also be used in cold water.
COR-IN-PLUGS-1" NPT BRASS COR-IN-PLUGS-1-1/4" NPT BRASS COR-IN-PLUGS-1/2" NPT BRASS COR-IN-PLUGS-1/4" NPT BRASS
Our Price: $5.79
Our Price: $20.78
Our Price: $2.62
Our Price: $2.10
COR-IN-PLUGS-1" NPT BRASS COR-IN-PLUGS-1-1/4" NPT BRASS COR-IN-PLUGS-1/2" NPT BRASS COR-IN-PLUGS-1/4" NPT BRASS
COR-IN-PLUGS-3/4" NPT BRASS COR-IN-PLUGS-3/8" NPT BRASS
Our Price: $3.77
Our Price: $2.18
COR-IN-PLUGS-3/4" NPT BRASS COR-IN-PLUGS-3/8" NPT BRASS
   
 
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