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MV-1645KSL LG Microwave - Overview

Diagrams for MV-1645KSL

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Microwave Grease Filter – Part Number: 5230W1A012B
$17.17
Special Order
Microwave Grease Filter
Part #5230W1A012B
This is a single grease filter manufactured for a microwave. The microwave grease filter filters the exhaust air and traps any grease flowing out of the appliance. It is important to keep the filter clean and intact by cleaning it regularly and replacing it when needed. A clogged air filter can cause your appliance to run inefficiently and possibly alter the taste and smell of your food. This filter is approximately 7.5 inches wide and 5 inches deep. This part is sold separately. No tools are required for this repair, the filter simply slides in and out using the easy-pull tab on the filter.
Light Bulb - 120V 30W – Part Number: 6912W1Z004B
$12.85
In Stock
Light Bulb - 120V 30W
★★★★★
★★★★★
(16)
Part #6912W1Z004B
This is a light bulb and it is a part for your microwave. This bulb uses 30 watts, operates on 125 volts, and is an incandescent lamp. The function of this bulb is to illuminate the surface underneath and inside of your appliance while the door is open, and during a cooking cycle. You will need to replace this part if your door is open and the light is not activated. We recommend that you unplug your microwave and leave it inactive for some time before making this repair. Proceed with caution as the capacitors in a microwave can hold dangerous electrical charges for long periods of time even when the appliance has been unplugged.
Glass Cooking Tray – Part Number: 1B71961H
$45.29
On Order
Glass Cooking Tray
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★★★★★
(15)
Part #1B71961H
This OEM glass cooking tray is a removable glass plate, measuring 13 inches in diameter, that spins inside the microwave during operation. It ensures that heat is evenly distributed in the microwave to properly heat or cook the food. Over time, the heat generated in the microwave can cause the glass to warp and the plastic rollers to wear down. The glass can also crack or shatter accidentally. It is important to replace the glass as soon as it is no longer functioning well to prevent uneven heating and reduce any safety hazards from damaged glass. Carefully pull the old glass cooking tray from the microwave and clean the microwave cavity. Place the new tray onto the rotating mechanism, and properly align it with the rollers. Turn the microwave on and check to see that the tray is rotating freely.
Door Handle – Part Number: 5304440323
No Longer Available
Door Handle
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★★★★★
(3)
Part #5304440323
Screws NOT included.
Air Duct Bracket – Part Number: 4810W1A151A
$17.15
In Stock
Air Duct Bracket
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★★★★★
(2)
Part #4810W1A151A
This bracket holds the metal or plastic flapper that closes off the exhaust duct when the fan is not running and opens when the fan turns on. If the exhaust fan on your microwave does not appear to be working, the problem may be with the damper assembly. If the damper does not open and close easily, check for any damage to the bracket, and replace if it is damaged or faulty. This genuine OEM exhaust damper measures approximately 12 inches long by 5 inches wide.
Turntable Assembly – Part Number: 5889W2A012F
$27.36
In Stock
Turntable Assembly
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★★★★★
(6)
Part #5889W2A012F
This turntable assembly, also known as a rotating ring, is a genuine OEM replacement part for your microwave. It is brown in color and about 10 inches in diameter. This part supports the glass turntable and keeps it in place. Replacing this part is very easy and requires no tools. Simply remove the glass tray, pop out the existing ring and replace with the new one.
Hardware Mounting Kit – Part Number: 3861W1A043C
$43.18
In Stock
Magnetron – Part Number: 2B71165R
$135.59
Special Order
Magnetron
Part #2B71165R
This genuine LG microwave oven magnetron is the key component that generates the microwaves needed to heat food efficiently. Designed for a precise fit in many LG models, it converts electrical energy into microwave radiation for fast and even cooking. If your microwave isn’t heating, cooks unevenly, or makes buzzing noises, replacing the magnetron can restore reliable performance. Built for durability and OEM quality, this part ensures your appliance operates as intended. For installation, always disconnect power and discharge the capacitor to ensure safety.
Capacitor – Part Number: 0CZZW1H004B
$43.18
On Order
Capacitor
Part #0CZZW1H004B
Store the electrical energy needed by a microwaves high-voltage heating system with this replacement capacitor. During cooking, the capacitor works with the transformer, diode, and magnetron to help create the energy that heats food. A faulty capacitor may be linked to no heat, loud buzzing, or a fuse that blows when cooking begins. However, these signs can also come from other high-voltage components, so proper testing is important. Microwave capacitors may hold a deadly electrical charge even after the power cord is unplugged. For this reason, testing and installation must be completed by a qualified appliance service technician.
Frame Assembly,Door – Part Number: 3213W1A049F
$83.89
In Stock
Frame Assembly,Door
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★★★★★
(1)
Part #3213W1A049F
This microwave door frame assembly forms the inner structural support of the door, securely holding the glass, gasket, and latch components in proper alignment. It plays an important role in ensuring the door closes correctly so the microwave can operate safely and start as intended. Replacement is commonly needed when the inner frame becomes cracked, warped, or damaged, which can lead to loose doors, door-related error messages, or the unit failing to run, and installing a new frame helps restore reliable door function and normal operation.

Common Symptoms of the MV-1645KSL

How this model fails, and the parts that fix it.

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Broken Handle
44 of 64 people found this instruction helpful.
  • Brent from Bend, OR
  • Easy
  • Less than 15 mins
  • Screw drivers
Removed the retaining clip that keeps the door on, took the door off. Removed the plastic rim that is clipped into place. Removed old screws holding on handle and replaced.
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Handle was broken R&R required.
22 of 28 people found this instruction helpful.
  • Frank from Punta Gorda, FL
  • A Bit Difficult
  • Less than 15 mins
  • Screw drivers
Open the door and start at the outside perrimeter of the plastic moulding by inserting the putty knife and gently prying up.I started at the 2 latches that secure the door when it closes.Work your way around to the top and bottom. I was able to leave the portion of the plastic moulding by the door hinges still intact while removing the sc rews for the handle and replacing with the new one.After handle is on gently snap moulding back in place.Remember start at the inside of the door in the small opening at the outter edge of the door.
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Broken micorwave handle
13 of 17 people found this instruction helpful.
  • Dennis from Hephzibah, GA
  • Really Easy
  • Less than 15 mins
  • Screw drivers
It was really simple. I used the putty knife the seperate the plastic trim, paying particular to start near the latches as someone else posted. Once the trim was pulled back Wow the screws were right there. I unscrewed the broken handle and attached the new handle. It was really easy and my wife thinks I'm amazing thanks for the help.
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