Gas Apparatus Replacement Parts - Harris

Harris CGA 680/695/703 Regulator Inlet Stem - 9005160

$17.20

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Harris Regulator CGA 200 inlet fitting assembly M15 x 1/6g (RH) - 9100934

$25.91

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Harris Torch Tip Nut for Model 6290 Tips - 9002560

$12.00

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Harris -Torch Tip Nut for Model 6290 Tips - 9002537

$11.71

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Harris Replacement Tool Kit Bag - 8855094

$69.54

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Harris Model 6259-V Tip Nut - 9005236

$29.52

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Harris Retaining Ring Round Closed-Type, 301-200 - 9005133

$1.75

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Harris Model 3659-1 Tip Nut - 9008437

$11.51

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Harris Harris Black Kit Tool Bag - 8855086

$72.65

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Harris Model 929677-2 Screw Set 1/2" - 20 X1.25 L - 9005591

$3.26

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Harris Model 42559 Regulator Cap Nut 1/2-20 BRASS - 9001436

$8.40

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Harris Model 7259-2R Tip Nut - 9005227

$28.38

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Harris Model C-62-N Injector Mixer Assembly - 9100511

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Harris Retaining Ring Crescent External, 92X71-2 - 9004030

$2.11

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Harris Model 316SS Hex Socket Plug with 1/4" NPT (M) threads - 9000553

$5.55

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Harris Model 967 Hex Socket Plug 1/4" NPT (M) threads - 9000306

$8.18

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Harris STEM, CGA 326-1/4NPT 2.50 LONG - 9005149

$10.27

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Harris CGA 346 Regulator Inlet Stem - 9000319

$16.85

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Harris PLUG, 967-3/8"NPT HEX SOCKET - 9000373

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Harris Model V-273 V-Series Cutting Attachment-Style Head 90◦ angle. - 7/8" - 20 UNEF-2-A (RH) thread tip connection- 9005696

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Harris gas apparatus replacement parts from WeldingMart extend the life of Harris regulators, cutting torches, and oxy-fuel equipment without replacing the entire unit. A worn seat, cracked diaphragm, or degraded o-ring causes pressure creep, delivery fluctuation, and potential safety failures - OEM repair kits restore proper function at a fraction of new equipment cost.

WeldingMart stocks Harris regulator repair kits, tip cleaners, cutting tip seats, torch body o-rings, hose fittings, and check valve assemblies for Harris oxy-acetylene and specialty gas equipment. Order by Harris part number or call with your regulator model for kit identification. Gas apparatus parts ship same or next business day.

Frequently Asked Questions

How do I find the right replacement part for my regulator or torch?

The safest approach is to match the part number printed on the regulator body or torch handle to a parts list from the original manufacturer. Most major brands (Harris, Victor, Smith) publish parts breakdowns online or in the owner's manual. When ordering a replacement diaphragm, seat, or O-ring, using OEM parts ensures the correct material compatibility — regulator seats and O-rings must be rated for the specific gas (oxygen-compatible materials differ from fuel gas materials).

Can I rebuild a regulator myself, or should it be sent to a service center?

Minor maintenance — replacing a worn bonnet spring, cleaning a clogged inlet filter, or swapping a cracked gauge — can be done in the field with the right parts. However, internal valve seat and diaphragm replacement on pressure regulators, particularly oxygen service regulators, should be performed by a qualified technician and followed by a leak test. Improperly seated oxygen regulators present a fire and explosion hazard due to the high-pressure oxygen environment.

What parts wear out most often on oxyfuel torches and regulators?

On torches: the mixing head, tip seats, and O-ring seals at the tip and valve connections are the most frequent wear items. On regulators: the diaphragm, inlet filter screen, and the pressure gauge are the highest-failure-rate components. The inlet filter screen often gets neglected — a clogged screen causes erratic outlet pressure and should be cleaned or replaced periodically.

Are replacement parts for different brands of torches or regulators cross-compatible?

In general, no. Internal valve seats, spring tensions, and diaphragm geometries are manufacturer-specific. Some O-rings and gauge crystals use standard sizes that cross over between brands, but any part in the gas flow path — seats, diaphragms, mixing chambers — should be sourced from the original equipment manufacturer or a confirmed OEM-spec replacement. Mixing brands on pressure components can void warranties and create unsafe pressure differentials.

How do I know if a gauge crystal or lens needs replacing?

A gauge crystal (the protective cover over the gauge face) should be replaced when it becomes cracked, yellowed, or fogged enough to make the needle unreadable. A cracked crystal on an oxygen regulator is a safety concern because high-pressure oxygen can ignite organic materials — replace cracked crystals promptly. The gauge itself should be replaced if the needle doesn't return to zero, reads erratically, or shows signs of internal moisture (fogging on the inside of the glass).