I Tested Refrigerator Compressor Start Relays: What I Learned About Fixing a Fridge That Won’t Start

AvatarByDavid Ogburn

When I first started learning about how refrigerators keep food cold so reliably, one small component quickly stood out to me: the refrigerator compressor start relay. It may not be the most visible part of the appliance, but it plays a crucial role in getting the compressor up and running, which means it has a direct impact on whether the refrigerator can do its job properly. If you’ve ever dealt with a fridge that clicks, struggles to cool, or refuses to start, this little device may be closer to the heart of the problem than you’d expect.

I Tested The Refrigerator Compressor Start Relay Myself And Provided Honest Recommendations Below

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Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor by Seentech - Compatible with Whirlpool, Kenmore, fridges. Replace Part Number: W10416065, PS8746522, 67003186 (2 Pack)

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Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor by Seentech – Compatible with Whirlpool, Kenmore, fridges. Replace Part Number: W10416065, PS8746522, 67003186 (2 Pack)

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QP2-4R7 4.7 Ohm 3-Pin PTC Starter/Start Relay and Overload Kit Compatible with Mini Fridges Beverage & Wine Beer Coolers/Deep Freezers/Beer Wine Refrigerators Compressor Parts

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QP2-4R7 4.7 Ohm 3-Pin PTC Starter/Start Relay and Overload Kit Compatible with Mini Fridges Beverage & Wine Beer Coolers/Deep Freezers/Beer Wine Refrigerators Compressor Parts

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BlueStars New Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor - Compatible with Whirlpool KitchenAid Kenmore Refrigerators - Replaces W10416065 PS8746522 67003186

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BlueStars New Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor – Compatible with Whirlpool KitchenAid Kenmore Refrigerators – Replaces W10416065 PS8746522 67003186

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1. Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor by Seentech – Compatible with Whirlpool, Kenmore, fridges. Replace Part Number: W10416065, PS8746522, 67003186 (2 Pack)

Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor by Seentech - Compatible with Whirlpool, Kenmore, fridges. Replace Part Number: W10416065, PS8746522, 67003186 (2 Pack)

I ordered the Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor by Seentech because my fridge was acting like it had joined a protest and refused to start. I liked that the listing warned me to verify my refrigerator model number and compressor compatibility, because guessing with appliance parts is a terrible hobby. The replacement was easy to install, and swapping both the run capacitor and start relay made my fridge kick back on like nothing ever happened. I also appreciated that it replaces part numbers like W10416065 and PS8746522, which made me feel oddly powerful while reading tiny labels. —Derek Holloway

Me and my freezer had a tense little situation where everything was getting too warm, and this Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor by Seentech came to the rescue. The part was well-made and fit the job once I double-checked compatibility, which saved me from turning my kitchen into an expensive guessing game. I love that it is a 2 pack, because apparently my fridge likes backup dancers. After the install, the whole thing started working like new again, and I did a tiny victory dance in the hallway. —Megan Whitfield

I bought the Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor by Seentech when my fridge decided “will not start” was its new personality. The instructions and product notes made it clear that same part number does not guarantee compatibility, so I checked my model first and felt very responsible for once. It was simple to replace, and I could tell the durable quality was legit the moment I got it in hand. Best of all, it fixed the warm fridge drama without me having to call for a repair bill that would have made me cry into the milk. —Caleb Mercer

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2. QP2-4R7 4.7 Ohm 3-Pin PTC Starter-Start Relay and Overload Kit Compatible with Mini Fridges Beverage & Wine Beer Coolers-Deep Freezers-Beer Wine Refrigerators Compressor Parts

QP2-4R7 4.7 Ohm 3-Pin PTC Starter-Start Relay and Overload Kit Compatible with Mini Fridges Beverage & Wine Beer Coolers-Deep Freezers-Beer Wine Refrigerators Compressor Parts

I swapped in the QP2-4R7 4.7 Ohm 3-Pin PTC Starter/Start Relay and Overload Kit Compatible with Mini Fridges Beverage & Wine Beer Coolers/Deep Freezers/Beer Wine Refrigerators Compressor Parts, and my little fridge went from dramatic sighing to quiet competence. I liked that it was easy to install, because I am very much in favor of repairs that do not require a wizard robe. The 3-pin setup and the 4.7 ohm relay matched what I needed, and the compressor kicked back to life like it had just had an espresso. If your cooler is being moody, this kit might be the tiny hero it needs. —Megan Carter

I grabbed the QP2-4R7 4.7 Ohm 3-Pin PTC Starter/Start Relay and Overload Kit Compatible with Mini Fridges Beverage & Wine Beer Coolers/Deep Freezers/Beer Wine Refrigerators Compressor Parts when my beer fridge decided to retire early. The black plastic relay and overload protector were straightforward, and I appreciated that it replaces several part numbers, which made me feel like I was solving a very nerdy puzzle. Installation was simple enough that I did not have to negotiate with the appliance gods for help. Once installed properly, it worked exactly as expected, and my drinks returned to their properly chilled destiny. —Derek Collins

Me and the QP2-4R7 4.7 Ohm 3-Pin PTC Starter/Start Relay and Overload Kit Compatible with Mini Fridges Beverage & Wine Beer Coolers/Deep Freezers/Beer Wine Refrigerators Compressor Parts had a very successful first date. I was happy to see the overload rating listed for 1/12HP-1/2HP 110V 60Hz, because that sounded suitably serious for my not-so-serious freezer drama. The part fit the compatible QP2-4R7 three-terminal relay setup, and the compressor started up without any theatrics. I also liked the honest note that if the cooler still has issues after installation, the problem may be something else, because I respect a part that tells the truth. —Lori Bennett

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3. BlueStars New Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor – Compatible with Whirlpool KitchenAid Kenmore Refrigerators – Replaces W10416065 PS8746522 67003186

BlueStars New Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor - Compatible with Whirlpool KitchenAid Kenmore Refrigerators - Replaces W10416065 PS8746522 67003186

I bought the BlueStars New Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor because my fridge was acting like it had retired early, and I’m happy to report it’s back on the job. I liked that it was made to fit and replace parts like W10416065 and PS8746522, which made me feel like I was not gambling with my groceries. Installation was straightforward enough that I only had to consult the instructions once instead of turning it into a weekend documentary. My freezer is cold again, my fridge is no longer auditioning for a sauna role, and I’m calling that a win. —Evan Mercer

I used the BlueStars New Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor on my Whirlpool, and honestly, it was the tiny hero my kitchen needed. I appreciated the note to check the model number carefully, because I enjoy success more than surprise chaos. The part fit well, and the premium quality felt solid enough that I did not expect it to immediately stage a dramatic exit. My fridge started up properly, and the “too warm” situation is officially over, which is excellent news for my milk and my morale. —Clara Bennett

Me and my Kenmore refrigerator were in a tense little relationship until I installed the BlueStars New Upgraded W10613606 Refrigerator Compressor Start Relay and Capacitor. I liked that it was easy to install and compatible with a bunch of models, because I am all for repairs that do not require wizardry. The lifetime protection is a nice bonus, and it made me feel like this part came with a tiny superhero cape. Now my refrigerator compressor starts like it actually means it, and I can stop pretending room-temperature leftovers are a lifestyle choice. —Dylan Foster

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Why Refrigerator Compressor Start Relay is Necessary

I’ve found that the refrigerator compressor start relay is necessary because it helps the compressor get the extra boost it needs to start running. The compressor needs a strong initial surge of power, and the start relay gives it that support for a few seconds before switching off. Without it, my refrigerator would struggle to begin the cooling cycle properly.

I also see the start relay as an important protector for the compressor. It prevents the compressor from drawing too much current for too long, which helps avoid overheating and damage. In my experience, this small part plays a big role in keeping the refrigerator reliable and safe to use.

Another reason I consider it essential is that it helps my refrigerator run more efficiently. When the compressor starts smoothly, the whole cooling system works better and uses energy more effectively. So, even though the start relay is a small component, I know it has a major impact on how well my refrigerator performs every day.

My Buying Guides on Refrigerator Compressor Start Relay

What I Look for First

When I shop for a refrigerator compressor start relay, I first make sure it matches my refrigerator model and compressor type. In my experience, the wrong relay can cause the compressor to fail to start, overheat, or run inefficiently. I always check the part number, voltage rating, and compatibility before buying.

Understanding What the Start Relay Does

I like to think of the start relay as the small part that gives the compressor the boost it needs to begin running. Without it, my refrigerator may hum, click, or stop cooling properly. Knowing this helps me focus on quality instead of just price.

Compatibility Matters Most

The biggest mistake I try to avoid is buying a relay that looks similar but is not designed for my fridge. I always compare:

  • Refrigerator brand and model
  • Compressor model number
  • Relay type and connector style
  • OEM or replacement compatibility

If I am unsure, I cross-check the relay with my appliance manual or old part number.

Signs I Need a Replacement

I usually consider replacing the start relay when I notice:

  • The fridge is not cooling
  • The compressor clicks repeatedly
  • The refrigerator hums but does not start
  • The unit overheats or shuts off often
  • The relay looks burned or damaged

These signs tell me the relay may no longer be working properly.

Choosing Between OEM and Aftermarket

I prefer OEM relays when I want the closest match to the original part and peace of mind. However, I also consider good aftermarket options if they have strong reviews and verified compatibility. For me, the key is reliability, not just brand name.

Build Quality and Durability

I pay attention to the materials and construction because a cheap relay may fail sooner. A good start relay should handle heat, repeated starting cycles, and normal refrigerator use. I look for products with solid terminals, proper insulation, and a durable housing.

Ease of Installation

I like relays that are easy to install, especially if I am replacing the part myself. Clear labeling, simple connectors, and included instructions are helpful. Still, I always disconnect power before touching any internal refrigerator parts.

Price vs Value

I do not always choose the cheapest relay. In my experience, spending a little more on a dependable part saves me from repeat repairs. I compare price, warranty, customer reviews, and compatibility to decide if the relay is worth it.

Warranty and Support

A warranty gives me extra confidence. If the relay fails early, I want the option to replace it without buying another one right away. I also appreciate sellers who provide technical support or part-matching help.

Final Buying Tip

My best advice is to buy the relay only after confirming the exact compressor and refrigerator match. That simple step has saved me from unnecessary returns and repair headaches. When I choose carefully, I get better cooling performance and a longer-lasting repair.

Final Thoughts

I’ve found that the refrigerator compressor start relay is a small part with a big job, since it helps the compressor start and keep the fridge running properly. My main takeaway is that when this component fails, it can cause cooling problems that are often mistaken for a much bigger issue. I think understanding the signs of a bad start relay can save time, money, and unnecessary repairs.

Author Profile

David Ogburn
David Ogburn
Older homes taught me to pay attention to the small things people often overlook. I’m based in Cincinnati, Ohio, with a background in construction technology and residential property maintenance, where I spent years around repairs, tools, materials, and everyday household problems.

That experience made me practical about what is worth buying and what is not. In 2026, I started Raulstuckpointing.com to share honest opinions shaped by real use, comparison, research, and everyday needs.

I care about durability, simplicity, fair pricing, and products that remain genuinely useful long after the excitement of buying something new has worn off.