LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse
LG 3B74133C Timer Fuse

LG Microwave Time-delay line fuse 3B74133C

XPart Number XP10003217
$12
Available to order
Buying Options: OEM Genuine

Choose an available buying option.
Equivalent Parts Cross-reference listings may have additional stock Check Stock →
Check Fit & Find Parts
Bubba checks verified models, product descriptions, cross-references and store data. Find your model number →

Frequently Bought Together
MICROWAVE WILL NOT START

LG Microwave Time-delay line fuse 3B74133C, Fixes Microwave will not start

Genuine LG time-delay fuse used as an electrical safety component in microwave and range applications.

Part 3B74133CLG
Guaranteed to Fit — or your money back.
Confirm your full appliance model number before ordering.

Is This the Right Part?

Part Number3B74133C
ManufacturerLG
Appliance TypeMicrowave
Part TypeTime-delay line fuse

✅ Cross Reference Information

Current Part Number3B74133C

Common Symptoms

  • Microwave will not start
  • Intermittent operation
  • No heating or inconsistent heating
  • Appliance stops during a heating cycle

Check Before Replacing

  • Disconnect appliance power before inspection or replacement.
  • Verify the installed fuse is open/blown using the appliance service documentation and an appropriate meter test.
  • If the fuse is open, inspect related heating-circuit components and wiring for an underlying fault before installing another fuse.
  • Confirm the replacement is the exact 3B74133C part number and rating specified for the appliance.

Pro Tip

A blown microwave fuse can be a symptom of another fault; inspect the related circuit before replacing it.

Part Details

Part Number3B74133C
Part TypeTime-delay line fuse
ManufacturerLG
Appliance TypeMicrowave
Primary FunctionOpens the circuit during an unsafe electrical or overheating condition to help protect the appliance.

Installation Notes

  • Disconnect power before accessing the fuse.
  • Microwave service involves hazardous high voltage; use the appliance service documentation and appropriate safety procedures.
  • Replace only with the exact specified part number and rating.
  • Do not bypass or substitute the fuse with a different rating.

Verified Compatible Models

Fitment reminder: Verified compatibility is maintained by the XPart Model Hub Network. Match the complete appliance model number before ordering.

What Customers Say

Buy Online Pick Up In-Store

Address
101 Trillium Dr
Kitchener, Ontario N2E 1W8
Phone
1-877-899-7278
Hours
Mon–Fri 9 AM–5 PM • Sat 9 AM–1 PM
Get Directions
Map showing warehouse location at 101 Trillium Dr, Kitchener
View on Google Maps