Miller Weldcraft TIG breakdown

Miller WP-26 / Weldcraft A-200 TIG Parts Breakdown

Use this WP-26 / A-200 breakdown to identify torch body parts, cups, collets, gas lenses, back caps, and common wear items.

Torch family

WP-26 / Weldcraft A-200 high-capacity air-cooled TIG torch path.

Consumable system

17/18/26 style cups, collets, collet bodies, gas lenses, stubby parts, and back caps.

Fitment risk

Confirm the torch is WP-26/A-200 and not WP-20/W-250 before ordering front-end parts.

Part number lookup

Parts List

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Item # Part # Description Qty Buy
Torch body WP-26
Weldcraft A-200 torch body, formerly WP-26
torch body Air-cooled A-200 / WP-26 path.
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Torch body WP-26V
Weldcraft A-200 valve torch body, formerly WP-26V
torch body Confirm valve body before ordering.
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Torch body WP-26F
Weldcraft A-200 flex torch body, formerly WP-26F
torch body Confirm flex head before ordering.
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Torch body WP-26FV
Weldcraft A-200 flex valve torch body, formerly WP-26FV
torch body Confirm flex head and valve body.
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Handle H-200R
Ribbed handle for A-200 / WP-26 package
handle
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Handle H-200
Smooth handle for valve-body package
handle
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Valve VS-1
Valve used on WP-26V / WP-26FV valve torch bodies
valve
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Power cable 46V28R
12.5 ft ribbed power cable
cable
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Power cable 46V30R
25 ft ribbed power cable
cable
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Power cable 46V28-2
12.5 ft two-piece power cable
cable
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Power cable 46V30-2
25 ft two-piece power cable
cable
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1 18CG
Insulator for WP-17 / WP-26 non-gas lens setup
insulator Required for standard non-gas-lens front end.
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5 54N01
Insulator for WP-17 / WP-26 gas lens setup
insulator Required for gas lens front end.
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8 54N63
Large-diameter gas lens insulator
insulator Use with large-diameter gas lens parts.
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11 18CG20
Stubby non-gas lens insulator
insulator Use with stubby front-end setup.
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15 17GLG20
Stubby gas lens insulator
insulator Use with stubby gas lens setup.
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2 10N21
WP-17 / WP-26 collet - .020 in.
collet Match tungsten diameter.
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2 10N22
WP-17 / WP-26 collet - .040 in.
collet Match tungsten diameter.
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2 10N23
WP-17 / WP-26 collet - 1/16 in.
collet Match tungsten diameter.
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2 10N24
WP-17 / WP-26 collet - 3/32 in.
collet Match tungsten diameter.
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2 10N25
WP-17 / WP-26 collet - 1/8 in.
collet Match tungsten diameter.
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2 54N20
WP-17 / WP-26 collet - 5/32 in.
collet Match tungsten diameter.
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3 406488
WP-17 / WP-26 collet body - 5/32 in.
collet body Use with standard non-gas-lens setup.
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3 10N29
WP-17 / WP-26 collet body - .020 in.
collet body Use with standard non-gas-lens setup.
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3 10N30
WP-17 / WP-26 collet body - .040 in.
collet body Use with standard non-gas-lens setup.
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3 10N31
WP-17 / WP-26 collet body - 1/16 in.
collet body Use with standard non-gas-lens setup.
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3 10N32
WP-17 / WP-26 collet body - 3/32 in.
collet body Use with standard non-gas-lens setup.
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3 10N28
WP-17 / WP-26 collet body - 1/8 in.
collet body Use with standard non-gas-lens setup.
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4 10N50
WP-17 / WP-26 alumina cup - #4 alumina cup
cup Verify nozzle size and torch front end.
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4 10N49
WP-17 / WP-26 alumina cup - #5 alumina cup
cup Verify nozzle size and torch front end.
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4 10N48
WP-17 / WP-26 alumina cup - #6 alumina cup
cup Verify nozzle size and torch front end.
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4 10N47
WP-17 / WP-26 alumina cup - #7 alumina cup
cup Verify nozzle size and torch front end.
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4 10N46
WP-17 / WP-26 alumina cup - #8 alumina cup
cup Verify nozzle size and torch front end.
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4 10N45
WP-17 / WP-26 alumina cup - #10 alumina cup
cup Verify nozzle size and torch front end.
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4 10N44
WP-17 / WP-26 alumina cup - #12 alumina cup
cup Verify nozzle size and torch front end.
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6 45V29
WP-17 / WP-26 gas lens - .020 in.
gas lens Use with gas lens cups and correct insulator.
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6 45V24
WP-17 / WP-26 gas lens - .040 in.
gas lens Use with gas lens cups and correct insulator.
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6 45V25
WP-17 / WP-26 gas lens - 1/16 in.
gas lens Use with gas lens cups and correct insulator.
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6 45V26
WP-17 / WP-26 gas lens - 3/32 in.
gas lens Use with gas lens cups and correct insulator.
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6 45V27
WP-17 / WP-26 gas lens - 1/8 in.
gas lens Use with gas lens cups and correct insulator.
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6 45V28
WP-17 / WP-26 gas lens - 5/32 in.
gas lens Use with gas lens cups and correct insulator.
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7 54N18
WP-17 / WP-26 alumina gas lens cup - #4
cup Use with gas lens setup only.
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7 54N17
WP-17 / WP-26 alumina gas lens cup - #5
cup Use with gas lens setup only.
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7 54N16
WP-17 / WP-26 alumina gas lens cup - #6
cup Use with gas lens setup only.
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7 54N15
WP-17 / WP-26 alumina gas lens cup - #7
cup Use with gas lens setup only.
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7 54N14
WP-17 / WP-26 alumina gas lens cup - #8
cup Use with gas lens setup only.
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7 54N19
WP-17 / WP-26 alumina gas lens cup - short
cup Use with gas lens setup only.
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9 995795
WP-17 / WP-26 large-diameter gas lens - 1/8 in. large gas lens
large gas lens Do not mix with standard gas lens parts.
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9 45V0204
WP-17 / WP-26 large-diameter gas lens - .020/.040 large gas lens
large gas lens Do not mix with standard gas lens parts.
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9 45V116
WP-17 / WP-26 large-diameter gas lens - 1/16 in. large gas lens
large gas lens Do not mix with standard gas lens parts.
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9 45V64
WP-17 / WP-26 large-diameter gas lens - 3/32 in. large gas lens
large gas lens Do not mix with standard gas lens parts.
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9 45V63
WP-17 / WP-26 large-diameter gas lens - 5/32 in. large gas lens
large gas lens Do not mix with standard gas lens parts.
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10 57N75
WP-17 / WP-26 large-diameter gas lens cup - #6 large-diameter cup
cup Use with large-diameter gas lens setup.
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10 57N74
WP-17 / WP-26 large-diameter gas lens cup - #8 large-diameter cup
cup Use with large-diameter gas lens setup.
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10 53N88
WP-17 / WP-26 large-diameter gas lens cup - #10 large-diameter cup
cup Use with large-diameter gas lens setup.
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10 53N87
WP-17 / WP-26 large-diameter gas lens cup - #12 large-diameter cup
cup Use with large-diameter gas lens setup.
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10 53N89
WP-17 / WP-26 large-diameter gas lens cup - short large-diameter cup
cup Use with large-diameter gas lens setup.
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12-17 10N22S
WP-17 / WP-26 stubby consumable - .040 in. stubby collet
stubby front end Use only when stubby setup is confirmed.
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12-17 10N23S
WP-17 / WP-26 stubby consumable - 1/16 in. stubby collet
stubby front end Use only when stubby setup is confirmed.
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12-17 10N24S
WP-17 / WP-26 stubby consumable - 3/32 in. stubby collet
stubby front end Use only when stubby setup is confirmed.
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12-17 10N25S
WP-17 / WP-26 stubby consumable - 1/8 in. stubby collet
stubby front end Use only when stubby setup is confirmed.
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12-17 17CB20
WP-17 / WP-26 stubby consumable - stubby collet body
stubby front end Use only when stubby setup is confirmed.
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12-17 17GL040
WP-17 / WP-26 stubby consumable - .040 in. stubby gas lens
stubby front end Use only when stubby setup is confirmed.
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12-17 17GL116
WP-17 / WP-26 stubby consumable - 1/16 in. stubby gas lens
stubby front end Use only when stubby setup is confirmed.
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12-17 17GL332
WP-17 / WP-26 stubby consumable - 3/32 in. stubby gas lens
stubby front end Use only when stubby setup is confirmed.
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12-17 17GL18
WP-17 / WP-26 stubby consumable - 1/8 in. stubby gas lens
stubby front end Use only when stubby setup is confirmed.
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18-20 57Y04
WP-17 / WP-26 back cap - short back cap
back cap Choose by clearance and tungsten length.
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18-20 300M
WP-17 / WP-26 back cap - medium back cap
back cap Choose by clearance and tungsten length.
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18-20 57Y02
WP-17 / WP-26 back cap - long back cap
back cap Choose by clearance and tungsten length.
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Replace first

Common Wear Guidance

1. Verify heat range

If the handle or cable is hot, confirm amperage and duty cycle before replacing consumables.

2. Inspect cup and collet

Cracked cups and loose collets are the fast checks for poor gas coverage or unstable arc.

3. Confirm gas lens style

Standard, gas lens, large-diameter gas lens, and stubby setups cannot be mixed casually.

Verify fitment

Check Before Ordering

Verify torch body

Confirm WP-26, WP-26V, WP-26F, or WP-26FV before ordering handles or valve parts.

Verify front-end style

Standard, gas lens, large-diameter gas lens, and stubby setups use different parts.

Amazon status

Amazon links are optional buying references only. Unverified matches stay blocked.

Related consumables

WP-17 / A-150 Breakdown

Shares the 17/18/26 consumable chart with a lighter air-cooled torch path.

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Miller Air-Cooled TIG Support

Open air-cooled TIG torch support.

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Miller TIG Support

Open Miller TIG machine and torch support.

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Need More Help? Troubleshooting, FAQs, and deeper TIG setup notes

TIG unstable arc

Inspect tungsten contamination, collet tightness, gas coverage, and work connection first.

Open troubleshooting

TIG torch overheating

Verify amperage range, cooling flow on water-cooled torches, and front-end fitment.

Open troubleshooting

TIG gas coverage

Cup size, gas lens seating, flow rate, and drafts are the common checks.

Open TIG support