A broken microwave can disrupt your kitchen routine, but replacing the entire appliance may not be necessary. Often, a single faulty component—like a cracked turntable, damaged waveguide cover, or worn coupler—is to blame. Finding the right Cuisinart microwave replacement parts is critical to restoring performance without overspending. The challenge lies in identifying compatible, durable components that fit your specific model and deliver reliable results.
We analyzed dozens of replacement parts, cross-referencing model numbers, materials, and real-world user feedback to pinpoint the best options. Our top picks balance precise fit, high-quality materials like tempered glass and thick mica, and ease of installation. Whether you need a new turntable, ring, or waveguide cover, these selections ensure your Cuisinart microwave functions safely and efficiently. Keep reading to discover the best replacement parts for your repair.
Best Options at a Glance
12″ Microwave Glass Turntable Plate
Best Overall
- 12″
- Universal GM
- Tempered glass
- Convex surface
- Hiflora
5 Pcs Mica Sheet Waveguide Cover
Best Value Pack
- Mica Sheet
- 4 in*4.7 in
- 5 PCS
- Heat-resistant
- Universal
2 PCS Thick Mica Waveguide Cover
Best Heat Insulation
- 2 PCS
- Frigidaire 5304464061
- 4″ x 4.27″
- Mica Slice
- Super Thick
7-Inch Turntable Ring with Rollers
Best Budget Friendly
- Heat-Resistant Plastic
- 7 inches
- 0.55 inch
- 3
- Universal Fit
2 PCS Turntable Coupler Replacement
Best for Motor Coupling Repair
- 0.59″
- 0.43″
- 0.19″
- ABS
- D port
8.7″ Turntable Ring with 15mm Rollers
Best for Large Microwave
- 8.7″ / 221mm
- 15mm
- PPS Plastic
- 2 Pack
- Most Microwaves
9.53″ GE-Compatible Turntable Ring
Best for GE Microwaves
- GE microwaves
- High-quality plastic
- 9.53in
- 8.74in
- 19mm
Cuisinart Microwave Replacement Parts Review
How to Choose the Right Cuisinart Microwave Replacement Part
Replacing a part on your Cuisinart microwave is often far more economical than buying a new appliance. However, ensuring you select the correct replacement is crucial. Here’s a guide to help you navigate the options, focusing on the most common replacement parts and how to choose the best one for your needs.
Understanding Key Components & Their Importance
Microwaves have several parts that commonly require replacement. The most frequent are the turntable (glass plate and support ring), waveguide cover (mica sheet), and the turntable coupler. Each plays a distinct role in proper microwave function.
1. Turntable (Glass Plate & Support Ring): Even Cooking is Key
The turntable’s primary function is to rotate food, ensuring even cooking and preventing hot spots. The size of the glass plate is paramount. Measure your existing plate’s diameter precisely before ordering. Many plates are universally compatible, but ensuring a proper fit prevents wobbling and inefficient cooking. The support ring, which the plate sits on, also comes in various sizes and roller heights. Incorrect height will prevent the plate from rotating smoothly. A smooth, consistent rotation means consistently cooked food.
2. Waveguide Cover (Mica Sheet): Protecting Your Microwave
The waveguide cover, usually made of mica, protects the magnetron (the component that generates microwaves) from food splatters. A damaged or greasy waveguide cover can lead to arcing, sparking, and ultimately, microwave failure. When choosing a replacement, size and shape are the most important factors. Most covers can be trimmed to fit, but matching the original dimensions as closely as possible is ideal. Thick mica sheets offer better heat insulation and durability.
3. Turntable Coupler: The Link Between Motor & Plate
The turntable coupler connects the microwave’s motor to the turntable, enabling rotation. These are prone to wear and tear, especially if the turntable is heavily loaded. The dimensions of the coupler – shaft length, outer diameter, and inner diameter – are critical for compatibility. Ensure the coupler’s port design (often a “D” shape) matches your existing one.
Other Important Features to Consider
- Material Quality: Opt for parts made from durable, heat-resistant materials like tempered glass, high-quality plastic (for rings and couplers), and robust mica.
- Compatibility: Always verify compatibility with your specific Cuisinart microwave model. Some parts are universal, while others are model-specific.
- Ease of Installation: Most replacement parts are designed for easy, DIY installation. Look for parts that don’t require special tools or technical expertise.
- Value Packs: For frequently failing parts like mica sheets, value packs can offer a cost-effective solution.
Cuisinart Microwave Replacement Parts Comparison
| Product | Type | Compatibility | Dimensions (approx.) | Material | Key Features | Price Range (Estimate) |
|---|---|---|---|---|---|---|
| 12″ Microwave Glass Turntable Plate | Turntable Plate | Most Brands | 12″ Diameter | Glass | Great Value, Convex Surface, Anti-Skid | $10-20 |
| 8.7″ Turntable Ring with 15mm Rollers | Turntable Ring | Most Microwaves (Specific Diam/Height) | 8.7″ Outer Diameter, 15mm Roller Height | PPS Plastic | High Temp Resistance, Corrosion Resistance | $15-25 |
| 7-Inch Turntable Ring with Rollers | Turntable Ring | Most Microwaves (Check Size) | 7″ Outer Diameter, 0.55″ Roller Height | Plastic | Smooth Rotation, Easy Replacement | $8-15 |
| 5 Pcs Mica Sheet Waveguide Cover | Waveguide Cover | Universal | 4″ x 4.7″ (Cuttable) | Mica | Heat Resistant, Prevents Splatter, Value Pack | $8-15 |
| 2 PCS Turntable Coupler Replacement | Turntable Coupler | Most Microwaves (Check Dimensions) | Shaft Length 0.59″, Outer Diam 0.43″ | ABS Plastic | Precise Fit, Durable, Motor Repair | $10-20 |
| 9.6″ Glass Plate for Retro Microwaves | Turntable Plate | GE, Frigidaire, Panasonic, Nostalgia Retro | 9.6″ Diameter | Glass | OEM Standards, Dishwasher Safe | $20-30 |
| 2 PCS Thick Mica Waveguide Cover | Waveguide Cover | Frigidaire (and similar size) | 4″x4.27″ | Mica | Heat Insulation, Easy Install | $10-20 |
| 9.53″ GE-Compatible Turntable Ring | Turntable Ring | GE Microwaves (Specific Models Listed) | 9.53″ Outer Diameter, 19mm Roller Height | Plastic | GE Compatibility, High-Quality | $15-25 |
Testing & Analysis: Ensuring Reliable Cuisinart Microwave Replacement Parts
Our recommendations for Cuisinart microwave replacement parts aren’t based on opinion, but on rigorous data analysis and research. We prioritize compatibility and durability, focusing on identifying parts that consistently receive positive feedback regarding fit and function. This involves analyzing customer reviews across multiple platforms (Amazon, appliance parts retailers, forums) to identify recurring issues – such as incorrect sizing, premature failure, or difficulty installing – for specific parts and brands.
We cross-reference part numbers with Cuisinart’s official parts diagrams and databases, ensuring accuracy. Comparative analysis of materials (mica thickness for waveguide covers, glass temper for turntables, plastic composition for couplers) is performed, leveraging manufacturer specifications and industry standards.
While physical product testing isn’t always feasible for every component, we prioritize parts with documented quality control measures and certifications. Data regarding return rates and warranty claims from retailers further informs our assessments. We also analyze user-submitted photos and videos demonstrating installation and performance to validate real-world usability. This multi-faceted approach helps us recommend only replacement parts that offer a reliable solution for repairing your Cuisinart microwave.
FAQs
What information do I need to find the correct Cuisinart microwave replacement parts?
To ensure compatibility, you’ll need your microwave’s specific model number. Also, measuring the existing part (like the turntable diameter or waveguide cover size) is highly recommended, even if you have the model number.
How do I know if I need to replace the waveguide cover (mica sheet)?
If you notice sparking or arcing inside your microwave while it’s running, or if the cover is visibly greasy and damaged, it needs to be replaced. A damaged waveguide cover can cause serious damage to your Cuisinart microwave.
Can I trim a replacement waveguide cover to fit?
Yes, many mica waveguide covers can be carefully trimmed to fit your microwave. However, it’s best to find a cover that closely matches the original dimensions for optimal protection.
What should I consider when choosing a new turntable coupler?
The dimensions – shaft length, outer diameter, and inner diameter – are critical. Also, ensure the port design of the coupler matches your existing one. Using the wrong coupler can prevent the turntable from rotating properly.
Final Thoughts
Choosing the right Cuisinart microwave replacement part doesn’t have to be daunting. By carefully considering compatibility, material quality, and taking precise measurements, you can efficiently restore your appliance’s functionality. Remember to always prioritize safety and disconnect power before attempting any repairs.
Investing a little time in research and selecting the correct component will ultimately save you money and extend the life of your microwave. Don’t hesitate to consult your microwave’s manual or online resources if you’re unsure about any aspect of the replacement process.





