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Repair Parts

MT-RSR supplies brake lathe repair parts and replacements that keep your equipment cutting true. Our selection covers gears, belts, arbors, and other working components built to restore lathe performance and extend machine life. Pair repair parts with Brake Clamping, Consumable Parts, and Kits & Sets for a complete brake service solution.

Repair Parts

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Ammco Shear Gear
$5.86 - $5.86
$5.86
$5.86 - $5.86
$5.86

Shear Gear & Ring for Ammco Brake Lathe Right Angle Drive

SKU: 7996

MT-RSR

Shear Gear for Ammco Fits the following brake lathe brands: Ammco Models 4000,4100,7500. Interchangeable Part Numbers: Ammco # 907996, SG7996, TMRS...

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$5.86 - $5.86
$5.86
$5.86 - $5.86
$5.86
Accu Turn Rotor Feed Nut
$75.06 - $75.06
$75.06
$75.06 - $75.06
$75.06

Rotor Feed Nut for Accu-Turn Brake Lathes

SKU: 8647

MT-RSR

Rotor Feed Nut for Accu-Turn Fits the following brake lathe brands: Accu-turn - 8920, 8922, 8944 Interchangeable Part Numbers: Accu-Turn Part #4336...

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$75.06 - $75.06
$75.06
$75.06 - $75.06
$75.06
Accu Turn Rotor Feed Screw
$108.35 - $108.35
$108.35
$108.35 - $108.35
$108.35

Rotor Feed Screw for Accu-Turn Brake Lathes

SKU: 8156

MT-RSR

Rotor Feed Screw for Accu-Turn Fits the following brake lathe brands: Accu-turn - 8920, 8922, 8944 Interchangeable Part Numbers: Accu-Turn Part # 4...

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$108.35 - $108.35
$108.35
$108.35 - $108.35
$108.35
Ammco Seal
$15.31 - $15.31
$15.31
$15.31 - $15.31
$15.31

Spindle Oil Seal for Ammco Brake Lathes

SKU: OS3164

MT-RSR

Seal for Ammco OS3164 Interchangeable Part Numbers: Ammco # 903164, 3164, TMROS3164, OS3164

$15.31 - $15.31
$15.31
$15.31 - $15.31
$15.31
Ammco New Lead Screw Nut
$71.68 - $71.68
$71.68
$71.68 - $71.68
$71.68

New Style Lead Screw Nut for Ammco Brake Lathes

SKU: 78529

MT-RSR

New Lead Screw Nut for Ammco Fits the following brake lathe brands: Ammco - 2002,3000,4000,4100,7000,7500,7700 Interchangeable Part Numbers: Ammco ...

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$71.68 - $71.68
$71.68
$71.68 - $71.68
$71.68
Ammco 3142 5/16" Brass Plug Replacement (Pack of 10)
$18.73 - $18.73
$18.73
$18.73 - $18.73
$18.73

Ammco 3142 5/16" Brass Plug Replacement (Pack of 10)

SKU: 7142

MT-RSR

5/16" Brass Plug replacing Ammco 3142 (Pack of 10) Interchangeable Part Numbers: Ammco # 903142

$18.73 - $18.73
$18.73
$18.73 - $18.73
$18.73
Ammco Long Stud
$15.04 - $15.04
$15.04
$15.04 - $15.04
$15.04

Long Boring Bar Stud for Ammco Brake Lathes

SKU: 7913

MT-RSR

Long Stud for Ammco Fits the following brake lathe brands: Ammco - 2002,3000,4000,4100,7000,7500,7700 Interchangeable Part Numbers: Ammco # 925913,...

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$15.04 - $15.04
$15.04
$15.04 - $15.04
$15.04
Accuturn Feed Motor for Brake Lathes 1/60 HP 6 RPM 120 Volt, 60 Hz, 1.5 Amps (Includes Fan)
$433.08 - $433.08
$433.08
$433.08 - $433.08
$433.08

Accuturn Feed Motor for Brake Lathes 1/60 HP 6 RPM 120 Volt, 60 Hz, 1.5 Amps (Includes Fan)

SKU: 433641

MT-RSR

Upgrade your brake lathe with the Accuturn Feed Motor, designed for reliable performance and durability. This motor features a 1/60 HP power rating...

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$433.08 - $433.08
$433.08
$433.08 - $433.08
$433.08
Ammco Cross Feed Spring
$4.25 - $4.25
$4.25
$4.25 - $4.25
$4.25

Spring for Ammco Brake Lathe Cross Feed Assembly

SKU: 7064

MT-RSR

Cross Feed Spring Interchangeable Part Numbers: Ammco # 902064, SP2064, TMRSP2064 MT-RSR Insights: Need help of finding a part for your Ammco? Clic...

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$4.25 - $4.25
$4.25
$4.25 - $4.25
$4.25
Ammco 1/4 Brass Plug (Pack of 10)
$19.49 - $19.49
$19.49
$19.49 - $19.49
$19.49

Ammco 1/4 Brass Plug (Pack of 10)

SKU: 7836

MT-RSR

1/4 Brass Plug for Ammco (Pack of 10) .25 DIA Interchangeable Part Numbers: Ammco Part #909836, 9836, BP9836 MT-RSR Insights: Need help of finding ...

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$19.49 - $19.49
$19.49
$19.49 - $19.49
$19.49
Ammco 1" Arbor
$484.03 - $484.03
$484.03
$484.03 - $484.03
$484.03

1" Arbor Shaft for Ammco Brake Lathes

SKU: 7101

MT-RSR

1" Arbor for Ammco Fits the following brake lathe brands: Ammco - 2002,3000,4000,4100,7000,7500,7700 Interchangeable Part Numbers: Ammco # 903101 3...

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$484.03 - $484.03
$484.03
$484.03 - $484.03
$484.03
Ammco Lead screw Nut
$65.42 - $65.42
$65.42
$65.42 - $65.42
$65.42

Old Style Lead Screw Nut for Ammco Brake Lathes

SKU: 7868

MT-RSR

Lead screw Nut for Ammco Fits the following wheel balancer brands: Ammco 4000 Brake Lathe Lead Screw Nut Interchangeable Part Numbers: Ammco OEM #1...

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$65.42 - $65.42
$65.42
$65.42 - $65.42
$65.42
Ammco Short Stud 3031
$11.65 - $11.65
$11.65
$11.65 - $11.65
$11.65

Short Boring Bar Stud for Ammco Brake Lathes

SKU: 7031

MT-RSR

Stud for Ammco 7031 Stud, Boring Bar Interchangeable Part Numbers: Ammco # 903031, 3031, ST3031, TMRST3031 Made in the USA

$11.65 - $11.65
$11.65
$11.65 - $11.65
$11.65
Ammco Red Cap
$1.58 - $1.58
$1.58
$1.58 - $1.58
$1.58

Plastic Red Tube Cap for Ammco Brake Lathes

SKU: 7974

MT-RSR

Red Cap for Ammco Interchangeable Part Numbers: Ammco # 906974

$1.58 - $1.58
$1.58
$1.58 - $1.58
$1.58
Large Pulley and Pin for Ammco
$165.42 - $165.42
$165.42
$165.42 - $165.42
$165.42

Large Pulley and Pin for Ammco

SKU: 7784-1

MT-RSR

Large Pulley and Pin Fits the following brake lathe brands: Ammco 3000, 4000, 4100, 7000 and 7100 brake lathes Interchangeable Part Numbers: Ammco ...

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$165.42 - $165.42
$165.42
$165.42 - $165.42
$165.42
Heavy Duty Spring
$21.99 - $21.99
$21.99
$21.99 - $21.99
$21.99

Heavy Duty Centering Cone Spring for Brake Lathes

SKU: 5059

MT-RSR

Heavy Duty Spring Interchangeable Part Numbers: 3590, SP3590, TMRSP3590

$21.99 - $21.99
$21.99
$21.99 - $21.99
$21.99
Ammco On/Off Toggle Switch
$27.30 - $27.30
$27.30
$27.30 - $27.30
$27.30

On/Off Toggle Switch for Ammco Brake Lathes - 110V & 220V Models

SKU: 7893

MT-RSR

Ammco Toggle Switch Fits the following brake lathe brands: Ammco 3000, 4000, 4100, 7000, 7500 or 7700 Interchangeable Part Numbers: Ammco # 906893 ...

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$27.30 - $27.30
$27.30
$27.30 - $27.30
$27.30
Ammco Arbor Nut for 7101 Arbor
$37.98 - $37.98
$37.98
$37.98 - $37.98
$37.98

Ammco Arbor Nut for 7101 Arbor

SKU: 7102

MT-RSR

Arbor Nut for 7101 Interchangeable Part Numbers: Ammco # 903102 3102, AN3102, TMRAN3102, 903102  Made in the U.S.A.

$37.98 - $37.98
$37.98
$37.98 - $37.98
$37.98
Ammco Small Drive Pulley
$110.78 - $110.78
$110.78
$110.78 - $110.78
$110.78

Small Drivey Pulley for Ammco Brake Lathes - V-Belt Style

SKU: 7024

MT-RSR

Small Drive Pulley for Ammco Fits the following brake lathe brands: For use with Ammo models 3000 and 4000 Interchangeable Part Numbers: Ammco OEM ...

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$110.78 - $110.78
$110.78
$110.78 - $110.78
$110.78
Rear Clamp spindle lock for Ammco
$28.15 - $28.15
$28.15
$28.15 - $28.15
$28.15

Rear Clamp spindle lock for Ammco

SKU: 7592

MT-RSR

Rear Clamp spindle lock for Ammco Interchangeable Part Numbers: Ammco # 909592 9592, CL9592, TMRCL9592 Made in the U.S.A.

$28.15 - $28.15
$28.15
$28.15 - $28.15
$28.15
Ammco Worm Drive
$71.76 - $71.76
$71.76
$71.76 - $71.76
$71.76

Disc Feed Mechanism Worm Drive Assembly for Ammco Brake Lathes

SKU: 77997

MT-RSR

Worm Drive For Ammco Interchangeable Part Numbers: Ammco # 907997 7997, WB7997, TMRWB7997 Made in the U.S.A.

$71.76 - $71.76
$71.76
$71.76 - $71.76
$71.76
Ammco Upper Boring Bar Clamp
$40.87 - $40.87
$40.87
$40.87 - $40.87
$40.87

Upper Boring Bar Clamp for Ammco Brake Lathes

SKU: 2017

MT-RSR

Upper Clamp for Ammco Fits the following brake lathe brands: Fits Ammco: 4000, 4100 & 7500 Interchangeable Part Numbers: Ammco # 903017, BB3017...

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$40.87 - $40.87
$40.87
$40.87 - $40.87
$40.87
Ammco Lead Screw 903211 1
$180.62 - $180.62
$180.62
$180.62 - $180.62
$180.62

Lead Screw for Ammco Cross Feed Assembly (Fits Most Models)

SKU: 7211

MT-RSR

Lead Screw for Ammco 7211 Fits the following brake lathe brands: Ammco - 2002,3000,4000,4100,7000,7500,7700 Interchangeable Part Numbers: Ammco 903...

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$180.62 - $180.62
$180.62
$180.62 - $180.62
$180.62
Ammco Lead Screw Nut
$70.20 - $70.20
$70.20
$70.20 - $70.20
$70.20

Ammco Lead Screw Nut - Medium Thickness

SKU: 7868X

MT-RSR

Lead screw Nut for Ammco Interchangeable Part Numbers: Ammco OEM #10686X MT-RSR Insights: Use with 7211 lead screw Made in the U.S.A.

$70.20 - $70.20
$70.20
$70.20 - $70.20
$70.20

Arbor nuts hold the rotor stack tight against the arbor, and a worn one lets everything shift mid-cut. We stock nuts for Ammco lathes plus Van Norman, Accu-Turn, and FMC machines.

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Buying and Installing Brake Lathe Repair Parts

Buying and Installing Brake Lathe Repair Parts

You should not have to gamble on a part fitting. Every listing shows interchangeable part numbers, so you can match an Ammco model 4000 replacement part to its OEM number in about thirty seconds. That direct access to real fitment data is what separates us from other sellers, where you are squinting at stock photos and hoping. When a part goes, pull it and look at what it touches. A failing feed screw usually chews the nut riding on it, and a slipping belt often points back to a scored pulley. Order both together, and you open the machine once instead of twice, which means one afternoon of downtime rather than two. Installation rewards a little patience. Clean the mating surfaces, confirm the center hole and mounting faces sit flat, and torque the fasteners evenly. Spin the machine empty and listen before you cut rotors again. The smartest shops keep spindle boots, belts, and springs on the shelf, because those wear out on their own schedule and never on yours. A rotor silencer band runs a few dollars and kills chatter on a larger rotor, where extra rotor mass and vibration fight your finish every pass.

Learn More

Frequently Asked Questions

Our brake lathe parts fit major brands including Ammco lathes, Accu-Turn, FMC, John Bean, Hunter, Van Norman, and Kwikway. Check the interchangeable part numbers on each listing to confirm fitment with your equipment.

Match the number stamped on the old component to the part numbers shown on our product pages. If that number has worn off, our downloadable parts manuals cover Ammco models 3000, 4000, 4100, 7500, and others.

Chatter usually comes from a worn arbor, a loose arbor nut, dull bits, or a larger rotor with enough rotor mass to vibrate. A rotor silencer band damps that vibration while you cut rotors.

The shear gear in an Ammco right angle drive is designed to break first and protect the feed components behind it. Keeping a spare on the shelf turns a lost day into a ten-minute repair.

Replace it once the cross feed handle develops play or your cut depth drifts. Ammco lathe owners can choose old-style or new-style nuts, and drum feed screw nuts are available for FMC machines.

Yes. Spindle boots keep grit off the spindle, and drive belts pair with our aluminum pulley set. Both sit under Consumable Parts alongside tool holders, bits, and silencers.

Rotors mount through the center hole using cones and an adapter set, backed by an arbor nut. Hub-centric clamping keeps a light truck rotor running true during heavy-duty work.

Machines with the 6950 twin cutter setup use left- and right-hand negative rake tool holders, and we stock both. Matched holders keep each rotor face cutting evenly and protect lathe performance.

Beyond brake lathes, our shop carries tire changers, wheel balancers, and alignment parts, including cones and backing plates, plus tools and daily shop supplies for the service bay.

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