Are you trying to find automotive brake pressure relays among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling automotive brake pressure relays on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 10 hours of research and did 66 automotive brake pressure relays tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best automotive brake pressure relays you can buy today
- VACUUM PUMP SWITCH FUNCTION - It keeps the pump from constantly running and preserves pump life;Switch controls vacuum pump on/off bu typically uses a pilot relay between the switch contact and the vacuum pump motor
- PRESSURE SWITCH AUTOMATIC ADJUS ENT - To prevent the screw from coming loose in transit, The adjustment screw of the switch has been glued with glue;This range is preset and cannot be adjusted;It will turn the pump off or on at a preset amount of vacuum
- High Quality Surface Finish:Power Coat
- VACUUM PUMP SWITCH FUNCTION - It keeps the pump from constantly running and preserves pump life;Switch controls vacuum pump on/off bu typically uses a pilot relay between the switch contact and the vacuum pump motor
- New design.Old mechanical type pressure switch is always have issues.The new pressure switch is at least 5 times longer life than old mechanical switch.
- The switch wire harness fit for most of electric vacuum pump and hot street vehicle 79 Corvette/64 Mustang etc.It will solve the issue that your brake pedal could be hard and you have no brakes when engine is at idle.
- We offer you the switch which is used to new energy vehicles.But noted keep away from heat.The working temperature is -40 to105 °C
- It keeps the pump from constantly running and preserves pump life.Increases idle vacuum up to 25".
- 12 Volt Noted the power should be 12V.
- All wiring pre assembled for easy installation,you could easy to replace your original pressure and relay and wire.
- Application: The BP-R1 bobtail proportioning relay valve is a combination of two valves in a single housing. The lower portion contains a "standard" service brake relay valve, which functions as a relay station to speed up brake application and release. The upper portion houses a brake proportioning valve which reduces normal service brake application pressure when the tractor is not towing a trailer (bobtail operation). The control port on the BP-R1 is connected to the Trailer Supply valve delivery and signals bobtail operation.
- 1/8” control in top cover
- Bracket included
- TYPE - R-12 Valve with Vertical Delivery Ports // Vertical mount // 4 port delivery located on the bottom of the valve
- REPLACEMENT - Bendix: 102626, 102626N, 102626X, 102626RX // Euclid: EBN102626N // IHC: 86824R93 // Meritor: R955102626N // Velvac: 34025 // Midland: A86473 // Mack: 745102626
- SPECS - Supply Port: 1/2" // Delivery Port (4): 1/2" // Control Port: 1/4" // Crack Pressure: 4.0 PSI // Weight: 2lbs
- FITMENT - Please, call your dealer and ask for the part number if you are not sure about the fitment. Then, check out if this item replaces it.
- WARRANTY - 1-Year Unlimited Mile Warranty - includes assurances about the quality of the item, as well as a promise to provide replacement if something goes wrong within a set amount of time.
- 【Product Specifications】Crack Pressure: 4.0 PSI, Supply Ports: 3/4" NPT, Delivery Ports: 3/8" NPT, Control Port: 3/8" NPT. The main port threads of this trailer ABS relay valve are manufactured by OEM standard, perfect fit to the original one.
- 【High Performance】Long life-span matters, that is why our ABS modulator relay valve is made from durable material, which automatically controls wheel slip to ensure vehicle stability and steerability during braking.
- 【Replace OE Number】4721950330, 472-195-033-0, S4721950330, S472-195-033-0, 650-S4721950330, WAB4721950330, AQ960503, AQ960510, R955378, 955378, 170.955378, TDAS4721950330, 167219, 40502928, AB84021, 10003392, 24900171, 6300-4721950330, 22802000, 228-02000, 46040401100, 3-9350-066, 393500066, 4721950339, RWW4721950330.
- 【Fit for】Wabco Reman Core, Meritor, Freightliner, Goldhofer, Great Dane, Hyundai, Kenworth, MAC Trailer, Mack, Manac, Navistar, Peterbilt, Stoughton, Utility Trailer, Volvo, Vanguard National, Wabash National. (Please note to confirm the OE number)
- 【24-Month Warranty】If for any reason at all, you are not satisfied with this trailer ABS modulator valve, you can contact us through amazon message to apply the service of carefree REPLACEMENT or REFUND.
- 【COMPATIBLE VEHICLES】 For Meritor S4721950330 For Wabco 4721950330
- 【Replace Part Number】 4721950330, 472195 033 0,650-S4721950330,, S4721950330,AQ960503, AQ960510
- 【Package Included】1 x ABS Relay Valve .
- 【PRODUCT DETAILS】 Manufacturer: Pro Trucking Products Part Number 4721950330PTP ABS Relay Valve Bayonet-Style Connector Crack Pressure: 4.0 PSI Supply Ports: 3/4" NPT (2) Delivery Ports: 3/8" NPT (4) Control Port: 3/8" NPT (1)
- 【NOTICE】Before buying, please check whether the product you are buying is suitable for your model! If you can not install please contact professional installation.
- Very Important: Please Verify this product Description and Compatibility before Buying
- Built and Tested According to International Quality and Safety Standards
- Die-cast Aluminum Built for more Rust Resistance and Durability
- Supply Port: (1) 3/4” P.T. Delivery Ports: (4) 3/8” P.T. Control Port: (2) 1/4” P.T. Emergency Supply Port: (1) 1/4” P.T. Opening Pressure: 4-5 PSI
- Replacement for Sealco Style Trailer Emergency Relay Valve (110200)
- Reliability: The switch is made of high-quality materials, has good durability and stability, and can work reliably in various working environments. It is suitable for the end of the brake oil pipe and can effectively realize the control function of the brake light.
- Pressure Sensing: This switch is a pressure sensing switch. When the pressure in the brake oil pipe reaches a certain level, the switch will automatically trigger and control the turning on and off of the tail light.
- Dimensions and Specifications: This switch is suitable for the end of the M10 x 1.25 thick wire brake oil pipe, with a wire length of 11.81", ensuring compatibility with the interface of the car's braking system.
- Plug Hook Design: The switch has a 2.8 plug hook, which can be directly inserted into the corresponding connector or socket for easy installation and connection. Installation is very easy and requires no additional tools or fixtures.
- Package Contents: You will receive a curved car hydraulic brake pressure switch with 2.8 plug hook, two washers. We are committed to providing you with a perfect shopping experience. If you have any usage problems, please feel free to contact us directly and we will solve the problem for you within 24 hours on working days.
- [Reliable Quality] The black shell is made of nylon material, which is electrical insulation, and the pin is made of brass, which can withstand cold and hot condition. Very durable and sturdy in use, no deformation and rust, perfectly made for long-term use.
- [Specification] The size is 1.41 x 0.94 x 0.63 inch/ 3.6 x 2.4 x 1.6 cm approximately. Our 30A 12V relay can be used to control the circuits of components with high amperage loads on vehicle, such as headlights, fuel pumps and cooling fans.
- [Easy to Use] Our motor relayis suitable for normal antomobile to use, simple operation, you only need to connect the relay and wire, no need other tools, very convenient and easy to use and replace, allow components work normally.
- [Application] Our product can be applied to car tail light, engine compartment, electric cooling fans, electric water pumps, electric fuel pumps, shaved door handles solenoids, trunk solenoids and more equipment.
- [Customer Service] You will receive 4 pieces 12V 30A 5 pin relays. We offer 12-month warranty for every order, you can buy with confidence. If you have any questions and concerns, please feel free to let us know, our team will respond asap!
- 20904439 Brake Control Relay for GM-recommended replacement part for your GM vehicle’s original factory component,Offering the quality, reliability, and durability of GM OE,Manufactured with GM Original Equipment specification for fit, form, and function.
- Replace Part # - Replace For 20904439 2090-4439 25792959 25848909 25837945 15819418
- 20904439 Brake Control Relay Equipment Trailer Brake Continue Relay Assembly for Cadillac Chevrolet GMC Vehicles - 2008 - 2014 Escalade | 2008 - 2014 Escalade ESV | 2008 - 2013 Escalade EXT | 2008 - 2013 Avalanche | 2008 - 2013 Silverado 1500 | 2007 - 2014 Silverado 3500 HD | 2008 - 2014 Subruban 1500 | 2007 - 2013 Suburban 2500 | 2008 - 2014 Tahoe | 2008 - 2013 Sierra 1500 | 2007 - 2014 Sierra 2500 HD | 2008 - 2014 Yukon | & more.
- 20904439 Brake Control Relay Applies to:fits For GM Silverado Sierra 07-14,Package Contents:1* Trailer Relay
- 20904439 Brake Control Relay is the same as the pictures.We provide carefree return, Our aim at pursuing the maximum satisfaction of our buyers!
- GM-recommended replacement part for your GM vehicle's original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
- Premium Material: YHTAUTO Affordable and Prime Disc Brake Caliper with Bracket, Designed for Reliable Performance and Ensures Safe Braking
- Direct Fit: Replacement for Buick Terraza 2005-2007; Chevrolet Uplander 2005-2009; Pontiac Montana 2005-2009; Saturn Relay 2005-2007
- Install Location: Rear Left Driver Side
- Inlet Port Size: M10x1.5; Bleeder Port Size: M10x1.0; Piston Diameter: 1.620 inches; Brake Caliper Type: 1 Piston
- Reference Number: 88964133, 18-B4944, 18-4944
- FITMENT - Please, call your dealer and ask for the part number if you are not sure about the fitment. Then, check out if this item replaces it.
- WARRANTY - 1-Year Unlimited Mile Warranty - includes assurances about the quality of the item, as well as a promise to provide replacement if something goes wrong within a set amount of time.
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- Professional, premium aftermarket replacement
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
- [High Quality Materials]Our pipes are made of high-quality PVC, with high elasticity, heat resistance, and maximum sealing performance; Metal components are made of alloy and copper, which have strong corrosion resistance. The brake bleed kit is durable.
- [Accessories] The brake bleed kit is equipped with a vacuum gauge to facilitate reading the pressure. The pressure range is 0-30 Inch of mercury, 0-760mm of mercury. 4 pipes of different lengths to meet different needs. We add a spare O-ring for each product.
- [Two in One Tool]The manual brake bleeding kit allows you to bleed the brakes, test the vacuum reading through a pressure gauge, and pump out oil, power steering fluid, and many other types of fluids. Can be used for brake and clutch wheel cylinders/calipers, master cylinders or slave cylinders. Flush the old brake fluid and air, and guide the new brake fluid to fill the brake system.
- [Easy to Carry] The 2-in-1 handheld vacuum pump brake bleeding kit is paired with a suitcase, making tools tidy and easy to carry.
- [Widely Applicable] The clutch deflation tool is very suitable for household and commercial applications, and can be used for testing and diagnosing various parts and common systems on bicycles, motorcycles, trucks, pickup trucks, or any other vehicle. It can also be used to test household kitchen vacuum sealers, for sealing food cans, spherical tanks, and vacuum bags.
- TYPE - Emergency Relay Valve // Suitable for pre-121 trailers, converter dollies, or exempt trailers
- REPLACEMENT - Excel: EM36100 // Haldex: KN30400, KN30400X, KN30400RX, N4301CB // Midland: KN30400 // Velvac: 034067, 34067 // Wagner: A99036
- SPECS - Service Inlet: 1/4" // Emergency Inlet: 1/4" // Auxiliary Reservoir: Plugged // Reservoir Port: 3/4" with Nipple, Female // Crack Pressure: 3.0 PSI // Approximate Weight: 3 lbs.
- FITMENT - Please, call your dealer and ask for the part number if you are not sure about the fitment. Then, check out if this item replaces it.
- WARRANTY - 1-Year Unlimited Mile Warranty - includes assurances about the quality of the item, as well as a promise to provide replacement if something goes wrong within a set amount of time.
- 12V waterproof 5-Pin SPDT Relay Excellent waterproof and dustproof ability, high quality in any weather conditions
- 12V 5-Pin SPDT Relay Pin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87)
- SPDT Relay with 40A/30A High Switching Capability,it has both normally open and normally closed terminals, terminal 87A is powered when the relay is inactive and switches the power to terminal 87 when the relay is activated
- 12v relays can operate with anywhere between 9v and 14v,Very suitable for 12V automotive, marine, and machine circuits
- These 12V 5-pin relays are rated to handle 30A on normally closed pin 87a and 40A on normally open pin 87
- Easy Installation: The relay with wire harness is designed for easy installation, making it convenient for users to set up in various complex installation environments.
- Secure Backside Fixation: The relay comes with a secure backside fixation feature, ensuring stability and reliability even in demanding conditions.
- Materials: Both the relay and wire harness are made of high-grade flame-retardant materials, guaranteeing a longer lifespan and enhanced safety during operation.
- 12VDC (Max 14V) 5-Pin SPDT Relay: The relay operates at 12VDC (with a maximum of 14V) and features a 5-pin Single Pole Double Throw (SPDT) configuration. This configuration allows
- Two years warranty： If you have any questions in the use of the product, please contact us, we will reply within 24 hours
- Type: 4Pin Relay, 12VDC (14V Max) , SPST (Single Pole Single Throw) Relay with 120A High Switching Capability. Perfect for Split Charging or Various Automotive vehicles such as cars, trucks, RVs, boats, Campers, RVs and other vehicles needing a high power.
- Superior Quality: This relay consists of nylon flame retardant shell with pure copper inner core. High quality material is durable and has the characteristics of heat resistance, corrosion resistance and strong electric conductivity.
- Pure Copper Coil: Internal use of pure copper coil, conductive performance is strong, low loss rate. Agsno2 composite silver contact, effective resistance to contact bonding, long service life. Precision design makes electricity more secure.
- Key Functions: The relay acts as a current switch by converting a small current output into a large current. The advent of relays also extended the life of other automotive configurations. With 120A capacity, our relays can easily handle high current applications. This is a perfect make or break relay for your car.
- Package Includes: 1x 120 Amp Split Charge relay.
How to choose a good automotive brake pressure relays
Does the idea of finding a fantastic automotive brake pressure relays make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in automotive brake pressure relays. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top automotive brake pressure relays products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top automotive brake pressure relays on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top automotive brake pressure relays brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top automotive brake pressure relays based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the automotive brake pressure relays were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good automotive brake pressure relays, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your automotive brake pressure relays.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive brake pressure relays for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our automotive brake pressure relays. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what automotive brake pressure relays should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on automotive brake pressure relays.
