Looking for the best Dorman radiator drain cocks? We’ve got you covered with 10 top picks to keep your car’s cooling system in perfect condition.
Dorman radiator drain cocks are essential parts for keeping your car’s cooling system in top shape. They stop leaks and ensure your radiator works like new. With over 100 years of experience, Dorman delivers reliable, durable solutions.
These drain cocks are direct replacements for your vehicle’s original parts. They match the fit and function perfectly, making installation quick and easy. Quality materials like brass and plastic resist corrosion and heat, ensuring long-lasting performance.
Whether you’re a DIY enthusiast or a professional mechanic, Dorman’s drain cocks are trusted choices. Check fitment before buying to get the perfect match for your vehicle. Upgrade your cooling system today with Dorman’s proven expertise.
List of Top 10 Dorman Radiator Drain Cocks
| Image | Title | Best For | Price |
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Dorman 61106 Drain Cock-Brass-1/4 in. NPT |
This Dorman 61106 Drain Cock is perfect for anyone needing a reliable radiator drain petcock. It’s a direct replacement that fits like the original and lasts long thanks to its durable brass build. |
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Dorman 61109 Radiator Drain Cocks |
This Dorman 61109 Radiator Drain Cock is perfect for anyone needing a reliable replacement for their vehicle’s radiator drain. It’s easy to install and built to last, ensuring your car stays in top shape. |
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Dorman 61110 Radiator Drain Cocks |
This Dorman 61110 Radiator Drain Cock is perfect for car owners who want a reliable replacement part. It’s easy to install and built to last, making it ideal for anyone looking to keep their vehicle running smoothly. |
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Dorman 61129 Radiator Drain Cocks |
This radiator drain cock is perfect for car owners who manage their own repairs. It is a direct replacement for the original part. Quality and durable materials provide a long service life. Verify fit using the garage tool before purchase. |
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Dorman 61106 Drain Cock-Brass-1/4 in. NPT (Pack of 2) |
This brass drain cock is perfect for car owners who need a reliable radiator repair. It’s a direct replacement that fits like the original part. Whether you’re fixing a leak or doing routine maintenance, this durable brass valve lasts long. Easy to install and built for strength, it helps keep your engine cool. Use the garage tool to confirm fit before buying. |
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Dorman 43177 Radiator Drain Cock |
The Dorman 43177 Radiator Drain Cock is perfect for car owners who want a reliable and easy way to drain their radiator. It’s great for DIY repairs and keeping your car running smoothly. |
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Generic 61136 Radiator Drain Plug – Direct Fit For Dorman |
This radiator drain plug is perfect for anyone who wants a quick, easy fix for their Dorman radiator. It’s simple to install and built to last, making it ideal for DIYers or car owners looking for reliable performance. |
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SupplyMount 61104 – Aftermarket Replacement Radiator Drain Cock Compatible with Dorman |
This radiator drain cock is perfect for DIY drivers and mechanics who need a fast, reliable fix. It fits right in to stop leaks and keep your engine cool. |
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Generic Radiator Drain Plug – Direct Fit Compatible with Dorman 61125 |
This radiator drain plug is perfect for car owners who need a direct fit replacement for their Dorman 61125. It’s easy to install and works right out of the box. |
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Dorman 61118 Radiator Drain Cock |
The Dorman 61118 Radiator Drain Cock is perfect for car owners who want a simple, reliable way to drain their radiator. It’s ideal for DIY repairs and keeping your vehicle in top shape. |
Detailed Reviews
Discover the top 10 Dorman Radiator Drain Cocks in this expert-reviewed guide. Each product is handpicked for quality, performance, and value. Whether you need durability or affordability, this guide helps you find the perfect fit. Read on to make a confident choice for your vehicle’s cooling system.
1. Dorman 61106 Drain Cock-Brass-1/4 in. NPT

Dorman 61106 Drain Cock is a direct replacement for your radiator’s original drain petcock. It matches the fit and function of the OEM part. This ensures a seamless installation.
Made of brass, this drain cock offers durable construction for a long service life. It resists corrosion and handles high temperatures well.
With over 100 years of experience, Dorman Products delivers reliable automotive parts. Each petcock is quality assured through virtual testing. Check fitment using the garage tool before ordering.
| Pros | Cons |
|---|---|
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Perfect For:
This Dorman 61106 Drain Cock is perfect for anyone needing a reliable radiator drain petcock. It’s a direct replacement that fits like the original and lasts long thanks to its durable brass build.
Ready to Purchase?
2. Dorman 61109 Radiator Drain Cocks

Stop coolant leaks with the Dorman Radiator Drain Cock. It fits your car just like the original part.
This tool uses strong materials to last a long time. Dorman has over a century of experience with auto parts. Each piece goes through testing for quality.
Check your vehicle fit before you buy. Get your cooling system back in shape today.
| Pros | Cons |
|---|---|
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Perfect For:
This Dorman 61109 Radiator Drain Cock is perfect for anyone needing a reliable replacement for their vehicle’s radiator drain. It’s easy to install and built to last, ensuring your car stays in top shape.
Ready to Purchase?
3. Dorman 61110 Radiator Drain Cocks

The Dorman 61110 Radiator Drain Cocks is a direct replacement for your vehicle’s original part. It matches the fit and function perfectly. This ensures your radiator works like new.
Made with durable materials, this part is built to last. Its quality construction means a long service life. You can trust it to handle daily use without issues.
Dorman has over 100 years of experience in automotive parts. This petcock has passed virtual testing to ensure it fits and works right. Check the Confirmed Fit bar to make sure it’s right for your vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This Dorman 61110 Radiator Drain Cock is perfect for car owners who want a reliable replacement part. It’s easy to install and built to last, making it ideal for anyone looking to keep their vehicle running smoothly.
Ready to Purchase?
4. Dorman 61129 Radiator Drain Cocks

The Dorman 61129 Radiator Drain Cocks is a direct replacement for your vehicle’s original part. It matches the fit and function of the factory equipment. Made with quality materials, it ensures a long service life.
This part comes from Dorman Products, a trusted name with over 100 years of experience. It has passed virtual testing to ensure it works perfectly. Use the garage tool to confirm it fits your vehicle before buying.
| Pros | Cons |
|---|---|
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Perfect For:
This radiator drain cock is perfect for car owners who manage their own repairs. It is a direct replacement for the original part. Quality and durable materials provide a long service life. Verify fit using the garage tool before purchase.
Ready to Purchase?
5. Dorman 61106 Drain Cock-Brass-1/4 in. NPT (Pack of 2)

Replace your old radiator drain with a durable brass solution. This direct replacement matches the original equipment fit and function. It ensures your cooling system works properly.
The Dorman 61106 comes in a convenient pack of two. It has 100 years of automotive expertise behind it.
Quality materials make this petcock last for years. Check the Confirmed Fit bar to ensure compatibility.
| Pros | Cons |
|---|---|
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Perfect For:
This brass drain cock is perfect for car owners who need a reliable radiator repair. It’s a direct replacement that fits like the original part. Whether you’re fixing a leak or doing routine maintenance, this durable brass valve lasts long. Easy to install and built for strength, it helps keep your engine cool. Use the garage tool to confirm fit before buying.
Ready to Purchase?
6. Dorman 43177 Radiator Drain Cock

The Dorman 43177 Radiator Drain Cock is a reliable automotive part. It helps drain coolant from your car’s radiator. This part is easy to install and use.
Made by Dorman Products, it is lightweight and durable. Its part number is 43177, matching its model name.
This drain cock is perfect for car repairs. It fits many vehicle types. Trust Dorman for quality and performance.
| Pros | Cons |
|---|---|
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Perfect For:
The Dorman 43177 Radiator Drain Cock is perfect for car owners who want a reliable and easy way to drain their radiator. It’s great for DIY repairs and keeping your car running smoothly.
Ready to Purchase?
7. Generic 61136 Radiator Drain Plug – Direct Fit For Dorman

The Generic 61136 Radiator Drain Plug is a perfect fit for Dorman radiators. It ensures a secure, leak-free seal. This plug is easy to install.
Made from durable plastic, it resists corrosion. The black finish blends well under the hood.
This product comes in a single pack. It’s simple, reliable, and long-lasting. A great choice for your vehicle’s needs.
| Pros | Cons |
|---|---|
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Perfect For:
This radiator drain plug is perfect for anyone who wants a quick, easy fix for their Dorman radiator. It’s simple to install and built to last, making it ideal for DIYers or car owners looking for reliable performance.
Ready to Purchase?
8. SupplyMount 61104 – Aftermarket Replacement Radiator Drain Cock Compatible with Dorman

Keep your cooling system working like new. This radiator drain cock stops leaking fast.
It is a direct fit replacement for your car. The durable materials resist daily wear and heat. You get long-term performance on every drive.
Installation is quick and simple for your mechanic. It matches industry specifications for a perfect seal. Protect your engine performance today with this smart fix.
| Pros | Cons |
|---|---|
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Perfect For:
This radiator drain cock is perfect for DIY drivers and mechanics who need a fast, reliable fix. It fits right in to stop leaks and keep your engine cool.
Ready to Purchase?
9. Generic Radiator Drain Plug – Direct Fit Compatible with Dorman 61125

Upgrade your car cooling system with this reliable radiator drain plug. It offers a direct fit for easy replacement.
This durable drain plug stops leaks fast. It works just like the Dorman 61125 part. You can fix your car radiator in minutes.
Keep your engine cool and running safe. Simple installation saves you time and money. Secure this quality part for your vehicle today.
| Pros | Cons |
|---|---|
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Perfect For:
This radiator drain plug is perfect for car owners who need a direct fit replacement for their Dorman 61125. It’s easy to install and works right out of the box.
Ready to Purchase?
10. Dorman 61118 Radiator Drain Cock

The Dorman 61118 Radiator Drain Cock is a reliable automotive part designed to help you maintain your vehicle’s cooling system. It is easy to install and ensures efficient draining of your radiator.
This lightweight component weighs just 0.1 pounds, making it simple to handle. It is built to last and fits seamlessly into your car’s system. Trust Dorman for quality and performance.
| Pros | Cons |
|---|---|
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Perfect For:
The Dorman 61118 Radiator Drain Cock is perfect for car owners who want a simple, reliable way to drain their radiator. It’s ideal for DIY repairs and keeping your vehicle in top shape.
Ready to Purchase?
Buying Guide
Keep your car’s cooling system in top shape with the best Dorman radiator drain cocks. These parts stop leaks and ensure your radiator works like new. With over 100 years of experience, Dorman offers reliable, durable solutions.
Choosing the right Dorman radiator drain cock is easy when you know what to look for. Here’s what to consider:
- Fitment: Check your vehicle’s make and model to ensure the drain cock fits perfectly. Use Dorman’s garage tool or Confirmed Fit bar for accuracy.
- Material: Choose brass or plastic based on your needs. Brass resists corrosion and heat, while plastic is lightweight and affordable.
- Durability: Look for quality materials that handle daily use and high temperatures. Dorman’s parts are tested for long-lasting performance.
- Ease of Installation: Pick a direct replacement that matches your original part. This makes installation quick and hassle-free.
- Pack Size: Decide if you need a single unit or a pack of two. Buying in bulk can save money for future replacements.
- Brand Trust: Stick with Dorman’s expertise for proven quality. Their parts are backed by over a century of automotive experience.
Upgrade your cooling system today with the best Dorman radiator drain cock. Your car will thank you!