/
/
Parts town. Get real parts faster

Shopping Cart

Skip to NavigationSkip to Content
Loading...
Loading...
CAD
Multi-SKU Order
LoginRegister
Parts town. Get real parts faster

Find Equipment Manuals

Loading...
Loading...
  1. Home
  2. /
  3. Stoelting
  4. /
  5. U421
Parts Town Logo

1-Hour Pickup Available

get special offers & news from parts town

800.239.5152
Loading...
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal
© 2026 Parts Town. All rights reserved.
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal

Stock Up on Real OEM HVAC Parts for the Summer Season! SHOP NOW

Call: 800.239.5152
Hvac Parts
TECHTOWN
Track My Order

Important Update: Click here for the latest information on tariffs and their impact on our industry.

Help Desk

  • Contact Us
  • Shipping
  • Taxes And Fees
  • Returns
  • FAQ

Inside Parts Town

  • About Us
  • Careers
  • Our Difference
  • Resource Center
  • Parts Town Blog
  • techtown
  • International

Technology and Innovations

  • Parts Town App
  • Serial Number Lookup
  • Smart Manuals
  • Website Features
  • Terms of Use
  • Privacy Policy
  • Privacy Request

Part Predictor Background
PartsTown Logo

Real data and artificial intelligence thinking together to find your part.

Part Category

  • Accessories(6)
  • Augers & Bits(3)
  • Baskets, Bowls & Containers(3)
  • Bearings & Bushings(14)
  • Belts, Pulleys & Sheaves(8)
  • Brackets & Retainers(3)
  • Brushes(5)
  • Bulbs, Lamps & Lights(5)
  • Cap Tubes(1)
  • Capacitors(5)
  • Caps & Plugs(4)
  • Casters & Wheels(5)
  • Channels & Slides(1)
  • Circuit Breakers(1)
  • Clamps & Clips(8)
  • Cleaners & Detergents(2)
  • Compressors(5)
  • Condenser & Evaporator Coils(8)
  • Contactors(2)
  • Controls(3)
  • Decals, Labels & Overlays(33)
  • Disconnects, Couplings & Collars(6)
  • Dispensers & Softeners(1)
  • Doors & Hardware(4)
  • Fan & Blower Motors(2)
  • Fan Blades & Blower Wheels(2)
  • Faucet Parts(1)
  • Filters, Screens & Driers(7)
  • Gaskets & Seals(5)
  • Gauges & Thermometers(1)
  • Gears & Sprockets(1)
  • Handles(3)
  • Hinges(2)
  • Holders & Supports(8)
  • Hoses, Pipes & Tubing(8)
  • Knobs & Dials(5)
  • Maintenance Kits(2)
  • Nuts, Bolts & Screws(18)
  • O-Rings(16)
  • Panels, Covers & Lids(13)
  • Pans, Trays & Wells(5)
  • Plates(1)
  • Potentiometers & Resistors(1)
  • Probes & Sensors(6)
  • Pumps & Motors(9)
  • Rams & Pistons(2)
  • Relays(3)
  • Rods, Shafts & Pins(5)
  • Roller Tubes(2)
  • Shields & Guards(1)
  • Springs(6)
  • Switches & Buttons(14)
  • Taps(1)
  • Thermostats & High Limits(3)
  • Transformers(1)
  • Valves, Solenoids & Fittings(31)
  • Washers, Rings & Spacers(7)
  • Wires, Cables & Hardware(3)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Accessories(6)
  • Augers & Bits(3)
  • Baskets, Bowls & Containers(3)
  • Bearings & Bushings(14)
  • Belts, Pulleys & Sheaves(8)
  • Brackets & Retainers(3)
  • Brushes(5)
  • Bulbs, Lamps & Lights(5)
  • Cap Tubes(1)
  • Capacitors(5)
  • Caps & Plugs(4)
  • Casters & Wheels(5)
  • Channels & Slides(1)
  • Circuit Breakers(1)
  • Clamps & Clips(8)
  • Cleaners & Detergents(2)
  • Compressors(5)
  • Condenser & Evaporator Coils(8)
  • Contactors(2)
  • Controls(3)
  • Decals, Labels & Overlays(33)
  • Disconnects, Couplings & Collars(6)
  • Dispensers & Softeners(1)
  • Doors & Hardware(4)
  • Fan & Blower Motors(2)
  • Fan Blades & Blower Wheels(2)
  • Faucet Parts(1)
  • Filters, Screens & Driers(7)
  • Gaskets & Seals(5)
  • Gauges & Thermometers(1)
  • Gears & Sprockets(1)
  • Handles(3)
  • Hinges(2)
  • Holders & Supports(8)
  • Hoses, Pipes & Tubing(8)
  • Knobs & Dials(5)
  • Maintenance Kits(2)
  • Nuts, Bolts & Screws(18)
  • O-Rings(16)
  • Panels, Covers & Lids(13)
  • Pans, Trays & Wells(5)
  • Plates(1)
  • Potentiometers & Resistors(1)
  • Probes & Sensors(6)
  • Pumps & Motors(9)
  • Rams & Pistons(2)
  • Relays(3)
  • Rods, Shafts & Pins(5)
  • Roller Tubes(2)
  • Shields & Guards(1)
  • Springs(6)
  • Switches & Buttons(14)
  • Taps(1)
  • Thermostats & High Limits(3)
  • Transformers(1)
  • Valves, Solenoids & Fittings(31)
  • Washers, Rings & Spacers(7)
  • Wires, Cables & Hardware(3)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Model: U421

Manuals Available: 2

Service & Parts Manual

View Manual

Interactive Diagram

View Stoelting U421 Interactive Diagram

Stoelting U421 Parts & Manuals

Stoelting U421 Parts & Manuals

Manufacturer:

Model #:

Stoelting

U421

Pressure Fed Floor Model Freezer

Pressure Fed Floor Model Freezer

Stoelting 1177990-SV Caster Replacement Kit, Swivel Stem, 2 with Brake/2 without

Stoelting
  • Mfr Part # 1177990-SV
  • Parts Town # STOE1177990-SV
  • Quantity3

In Stock, Ships today

Stoelting 3177813 Roller and Shaft Kit, Removeable

Stoelting
  • Mfr Part # 3177813
  • Parts Town # STOE3177813
  • Quantity2

In Stock, Ships today

Stoelting 332013 Dispenser, Manual Adhesive

Stoelting
  • Mfr Part # 332013
  • Parts Town # STOE332013
  • Quantity2

In Stock, Ships today

Stoelting 647899 Machine Screw, 1/4-20 x 3/8", Phillips Truss Head

Stoelting
  • Mfr Part # 647899
  • Parts Town # STOE647899
  • Quantity97

In Stock, Ships today

Stoelting 667896 Seal/Bumper, Piston

Stoelting
  • Mfr Part # 667896
  • Parts Town # STOE667896
  • Quantity11

In Stock, Ships today

Stoelting 762410 Thermo Expansion Valve, Adjustable

Stoelting
  • Mfr Part # 762410
  • Parts Town # STOE762410
  • Quantity3

In Stock, Ships today

Stoelting 1171861-SV Needle Valve with O-Ring

Stoelting
  • Mfr Part # 1171861-SV
  • Parts Town # STOE1171861-SV
  • Quantity9

In Stock, Ships today

Stoelting 1171866 Cap Screw, 10-32 x 1 1/4", Hex Drive

Stoelting
  • Mfr Part # 1171866
  • Parts Town # STOE1171866
  • Quantity3

In Stock, Ships today

Stoelting 1171991 Ball Bearing

Stoelting
  • Mfr Part # 1171991
  • Parts Town # STOE1171991
  • Quantity13

In Stock, Ships today

Stoelting 1177035 Air Filter Retainer, Bottom

Stoelting
  • Mfr Part # 1177035
  • Parts Town # STOE1177035
  • Quantity7

In Stock, Ships today

Stoelting 1177036 Flat Washer, 1/4" ID x 5/8" OD

Stoelting
  • Mfr Part # 1177036
  • Parts Town # STOE1177036
  • Quantity5

In Stock, Ships today

Stoelting 162053 Fan Blade, Evaporator, 5 Blade

Stoelting
  • Mfr Part # 162053
  • Parts Town # STOE162053
  • Quantity10

In Stock, Ships today

Stoelting 2177274 Clip, Retaining, Mix Probe to Cover

Stoelting
  • Mfr Part # 2177274
  • Parts Town # STOE2177274
  • Quantity17

In Stock, Ships today

Stoelting 375867 Fitting, 1/4 x 1/2", Barbed

Stoelting
  • Mfr Part # 375867
  • Parts Town # STOE375867
  • Quantity16

In Stock, Ships today

Stoelting 717917-SV Air Pressure Switch

Stoelting
  • Mfr Part # 717917-SV
  • Parts Town # STOE717917-SV
  • Quantity5

In Stock, Ships today

Stoelting 1171960 Capacitor, 440/370VAC, 50/60HZ, 15uF

Stoelting
  • Mfr Part # 1171960
  • Parts Town # STOE1171960
  • Quantity4

In Stock, Ships today

Stoelting 1177681 Rocker Arm, Cab

Stoelting
  • Mfr Part # 1177681
  • Parts Town # STOE1177681
  • Quantity3

In Stock, Ships today

Stoelting 231057 Capacitor, Run, 370V, 35uF

Stoelting
  • Mfr Part # 231057
  • Parts Town # STOE231057
  • Quantity2

In Stock, Ships today

Stoelting 295109 Contactor, 24V, 25A, 3 Pole

Stoelting
  • Mfr Part # 295109
  • Parts Town # STOE295109
  • Quantity7

In Stock, Ships today

Stoelting 324509 Decal/Label, Cleaning & Sanitizing, Soft Serve/Shake

Stoelting
  • Mfr Part # 324509
  • Parts Town # STOE324509
  • Quantity17

In Stock, Ships today

Stoelting 637000-TS Stera-Sheen, Chlorine Test Stips

Stoelting
  • Mfr Part # 637000-TS
  • Parts Town # STOE637000-TS
  • Quantity78

In Stock, Ships today

Stoelting 1171862 Cap Screw, Hex Socket Drive, 8-32 x 1/2"

Stoelting
  • Mfr Part # 1171862
  • Parts Town # STOE1171862
  • Quantity5

In Stock, Ships today

Stoelting 1171864 O-Ring, Needle Valve

Stoelting
  • Mfr Part # 1171864
  • Parts Town # STOE1171864
  • Quantity1

In Stock, Ships today

Stoelting 1171868 Reed Valve, Pump, Cab, White

Stoelting
  • Mfr Part # 1171868
  • Parts Town # STOE1171868
  • Quantity4

In Stock, Ships today

345