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Hypertherm 120837 is the 100 to 200A retaining cap used on the MAX200 machine torch. This is an aftermarket retaining cap made to the same part number and fit, for air plasma cutting.
The retaining cap screws onto the torch head and holds the nozzle, swirl ring and electrode in place.
Check the number on your old part or in the torch manual before ordering: it should read 120837.
| Part number | 120837 |
| Part | Plasma retaining cap |
| Rating | 100 to 200A |
| Fits | MAX200 / HT2000 (Hypertherm) |
| Material | Insulated cap with copper insert |
| Type | Aftermarket replacement |
| Stat. HS-Code | 851590 |
| Country of Manufacture | China |
| Trademarks | Hypertherm and MAX200 are trademarks of their owners. Names and part numbers are for reference only; this is an aftermarket part, not made or approved by them. |
Hypertherm MAX200 / HT2000
Match the part number on your old part before ordering.
| Dimensions | Hypertherm Part No.(SPM Part No.) |
|---|---|
| 100 to 200A | 120837(SPM-PLA-4934) |
Holding the stack together
The retaining cap clamps the nozzle, swirl ring and electrode in the torch head. Replace it if the insulation is cracked, the thread is damaged or the cap no longer seats tightly.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| eBay, aftermarket seller | USD 70.56 | 1 Nov 2026 |
| Arc-Zone | USD 118.97 | 1 Nov 2026 |
| Zoro (American Torch Tip) | USD 149.99 | 1 Nov 2026 |
| Spare Part Mart | USD 56.02 | Today |
Our price of USD 56.02 is 21% to 63% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
Yes, it was made for the Hypertherm MAX200 / HT2000 (Hypertherm). Check the old plasma retaining cap is marked 120837 or one of the cross references, because makers change parts between serial ranges.
On the Hypertherm MAX200 / HT2000 (Hypertherm), it depends on hours and working conditions. Follow the machine service schedule, and change it when it shows wear rather than waiting for it to fail.
Leaks, noise, loss of performance, or visible wear compared with a new part. If in doubt, measure it against the sizes in the specifications.
Match the part number on the old plasma retaining cap to Hypertherm 120837 or a number in the cross reference table. If the number is worn off, compare the sizes in the specifications.
Yes. Every order is covered by our 30 day money back guarantee. Keep it unused and in its packaging.
No. It is an aftermarket plasma retaining cap made to replace the Hypertherm 120837. It is not made by the original manufacturer; the number only shows what it replaces.
Live rates for the quantity selected, delivered to your door. Confirmed at checkout.
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