Best Engine Radiator Drain Cocks in 2026
Daisy
Last Updated: Jul 17, 2026
Daisy
Last Updated: Jul 17, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Manufactured to the highest quality standards to ensure superior long-term performance
Solid brass construction with steel handle
Working temperature range: -65 F to +250 F; 150 PSI maximum operating pressure
1/4 inch male NPT
For use with air, water, gas, and other fluids (not intended for natural gas, LPG, or lubricants)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HHAUTOSTORE | 7.58 | ❌ | ❌ | ❌ |
★ UNIVERSAL DRAIN PLUG!- The OzCoolingParts Universal Drain Plug is fit all of Aluminum Radiator, all item is 100% inspected and tested for quality assurance.
★ DURABILITY! - Brass Petcock Drain for superior durability and longevity.
★ ADVANCED TECHNIQUE! - Leading-edge welding craftsmanship, CE approval. Innovative engineering, manufacturing technology and quality control ensure that exceed the performance of the original equipment they replace.
★ 100% GUARANTEE! - If you don't like our Radiator Drain Plug, or whatever, we'll instantly refund your money and you can keep the Radiator Drain Plug, no questions asked. It's our promise and we don't lie.
★ FAST SHIPPING! - Your item will be shipped out within 1 business day from our USA warehouse(Rowland Heights, Nashville and Florida). Fast fulfilment and delivery, 3-5 working days will be delivered under normal circumstances. Do not hesitate to get one!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Package Dimensions: 3.302 L x 0.508 H x 6.35 W (centimeters)
Package Weight : 0.022 pounds
Automotive Cooling Parts
Country of Origin : China
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Impart Auto Parts | 9.66 | ❌ | ❌ | ❌ |
Guaranteed fitment
Manufactured to factory radiator drain plug dimensions for easy bolt-on installation and leak-free operation
Corrosion-resistant high-strength material is designed for reliable sealing at all OE-specified cooling system temperatures
Quality control at each step of production
24 Month / Unlimited Mileage Warranty
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this radiator drain petcock matches the fit and function of the original equipment part
Durable construction - this part is made of quality materials for a long service life
Saves money - offers original equipment quality at a competitive price
Quality assured - this petcock has undergone virtual testing to assure proper fit and function
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Guangzhou Zhengda Jiayi Trade Co., Ltd | 5.05 | ❌ | ❌ | ❌ |
Product_Name: Radiator Drain Plug
Fitment: Please check Amazon Fitment Filter and Description to see if this item will work on your vehicle before purchase!
Warranty: 12 Month Warranty
Condition: 100% new in package. Never be installed or used.
Built to strict quality control standards
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Guangzhou Zhengda Jiayi Trade Co., Ltd | 5.10 | ❌ | ❌ | ❌ |
Product_Name: Radiator Drain Petcock
Fitment: Please check Amazon Fitment Filter and Description to see if this item will work on your vehicle before purchase!
Warranty: 12 Month Warranty
Condition: 100% new in package. Never be installed or used.
Built to strict quality control standards
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Dorman | 19 |
| Krazi | 2 |
| Edelmann | 1 |
| Ozcoolingparts | 1 |
| Uro | 1 |
We've carried out a comprehensive analysis of 1,349 reviews on engine radiator drain cocks, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select engine radiator drain cocks priced around $8.85, with top brands including and edelmann and dorman
Our team of expert editors reviewed these high-quality items and handpicked the top 24 engine radiator drain cocks for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include and amazon.com .
We are dedicated to assisting our users in finding the right cocks Products based on their needs, saving them considerable time when choosing which engine radiator drain cocks to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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