HALDEX KN26121 Trailer Brake Control Valve

( Brand: Haldex ), ( Manufacturer Part Number: KN26121 ), ( Type: Trailer Brake Controller )

Review HALDEX Trailer Brake Control Valve

The Haldex KN26121 Trailer Brake Control Valve is an essential component of a trailer's braking system. This valve is designed to ensure reliable and efficient braking performance, allowing the trailer to stop smoothly and in a timely manner when the tow vehicle brakes are applied.

The Haldex KN26121 Trailer Brake Control Valve is a hydraulic valve that utilizes a diaphragm actuator to control the flow of hydraulic fluid to the trailer brakes. The valve body is made of high-quality cast iron and is finished with a durable epoxy coating to protect against corrosion. The diaphragm is made of a robust elastomer material, ensuring long-lasting performance and resistance to wear and tear.

The valve features a built-in pressure regulator that maintains a consistent hydraulic pressure to the trailer brakes, ensuring even brake wear and consistent stopping power. The valve also includes a bleed screw, making it easy to bleed the air from the system during installation or maintenance.

The Haldex KN26121 Trailer Brake Control Valve is designed to meet or exceed the requirements of SAE J1704 and DOT regulations for trailer braking systems. It is suitable for use with trailers with a gross vehicle weight rating (GVWR) of up to 14,000 pounds and a maximum brake force of 4,400 pounds.

Installation of the Haldex KN26121 Trailer Brake Control Valve is straightforward and can be done by a qualified technician or an experienced do-it-yourselfer. The valve comes with all necessary hardware, including mounting brackets and hydraulic lines. It is recommended to follow the instructions in the user manual carefully to ensure proper installation and to avoid any potential safety hazards.

Overall, the Haldex KN26121 Trailer Brake Control Valve is a high-quality and reliable component of a trailer's braking system. Its robust design, built-in pressure regulator, and easy installation make it an excellent choice for anyone in need of a reliable and efficient trailer brake control valve.

The Haldex KN26121 Trailer Brake Control Valve is a crucial component for trailer braking systems. Here are some pros and cons that might help you decide whether to purchase it:

1. Reliability: Haldex is a well-known brand in the automotive industry, and their trailer brake control valves are known for their durability and reliability.

2. Easy installation: The KN26121 valve is designed to be easy to install, making it a popular choice for DIY enthusiasts.

3. Adjustable: This valve comes with adjustable features, which allow you to fine-tune the trailer braking system to your specific needs.

4. Compatibility: The Haldex KN26121 valve is compatible with a wide range of trailer braking systems, making it a versatile option.

5. Safety: Properly functioning trailer brakes are essential for safety, and the KN26121 valve can help ensure that your trailer is safely connected to your vehicle.

1. Cost: The Haldex KN26121 valve may be more expensive than some other options on the market.

2. Maintenance: Like any mechanical component, the valve may require occasional maintenance and upkeep to ensure optimal performance.

3. Complexity: While the installation process is relatively straightforward, some users may find the adjustment features to be more complex than they had anticipated.

In conclusion, the Haldex KN26121 Trailer Brake Control Valve is a reliable and durable option for those in need of a new trailer brake control valve. Its adjustability and compatibility make it a versatile choice, but its cost and potential complexity may be drawbacks for some. Ultimately, if safety and reliability are your top priorities, the Haldex KN26121 valve is a solid investment.

Recommendation: If you're in the market for a new trailer brake control valve and prioritize reliability, safety, and ease of installation, the Haldex KN26121 Trailer Brake Control Valve is a worthwhile consideration. However, be prepared for a higher cost compared to some other options and the potential complexity of the adjustment features.

Details:

KN26121 TRAILER BRAKE CONTROL VALVE.

part #: kn26121 prices

• $53.95-$120.00

specifications traibrak:

• brand: Haldex
• mpn: Kn26121
• type: Trailer Brake Controller

offer traibrak:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• best offers: True
• quantity: 1
• started: May 5, 2025

payments traibrak:

• credit card: Discover
• wallet: Paypal
• other

shipping traibrak:

• service: Standard
• type: Fixed
• cost: $12.00
• transit: 3-7 Days
• class: Standard

seller traibrak:

• # reviews: 473
• city: Covington, Ohio
• rating: 87.5%

general traibrak:

• condition: New other see details
• Car Truck Parts Accessories > Towing Parts Accessories > Trailer Brake Controllers

returns traibrak:

• policy: No Returns

Haldex KN26121 Is Similar To:

• 19100 Haldex 2pc Spring Brake (47.9% similar) Manufacturer: Haldex part number: 19100 Nan: 84 set of 2 pieces for spring brake chamber M871 M871A1 trailer item is new surplus free domestic shipping. For sale is a headless straight pin...(November 14th, 2017)
• 40010121 Haldex Automatic Brake Adjuster (43.9% similar) Haldex part number rubber parts, gaskets, hardware may need to be replaced and not usable. Sometimes the fitment is so old that it does not take into account trim, engine size or build dates. Be sure the part you are buying is correct for your application. Or any other minor issue that does not make...(December 29th, 2017)
• 767653040653 Haldex Air Brake Governor (47.5% similar) Technical specs cut-in pressure 105 psi nominal cut-out 120 adjustable yes notes breather included oem part number N30190CA port thread size not unless noted mounting holes. 336 diameter mounting holes. Haldex midland part no. New old stock mfg. Unless noted. Direct compressor or remote mount. ...(October 22nd, 2017)
• Kn28550 Haldex Valve Relay 767653010809 (29.6% similar) Haldex 2 delivery port relay valve part KN28550...(November 8th, 2016)
• Kn20031 Haldex Truck Air Brake Panel Mount Valve International (51.9% similar) This is a new midland KN20031 push-pull panel mount valves. Check or money order...(September 18th, 2018)
• Kn31003 Meritor Or Haldex Air Brake Pressure Protection Valve New (44.9% similar) This is a brand new Haldex merit KN31003 valve...(September 18th, 2018)
• Kn32005 N20959mb Haldex Midland Trailer Air Brake Quick Release Valve Ports (51.3% similar) This is a new Haldex quick release valve KN32005...(April 17th, 2018)
• N-7502-e Haldex Midland Military Ton Brake Air Compressor Series (41.5% similar) Military M35A2...(March 28th, 2018)
• S-34172 Hendrickson Rotor For Wabco Haldex Air Disc Brake Kit (33% similar) If you are impossible to please buy elsewhere. Usually it is accurate, but sometimes on quantity orders not. Disc measures approx, 17 diam, is approx. This listing is for a single Hendricks cast u-shaped rotor assembly's AKA430MM x 45 as shown and pictured. We enter data for to calculate shipping ...(June 6th, 2018)
• S4721950760 Wabco Haldex Meritor Abs Modulating Valve (37.9% similar) System configuration: 4s 4m connector type: bayonet no core required. Regulates air pressure to each abs controlled brake compatible with all versions of merit Waco ecus 12 volt not modulator valve ports truck tractor application individual includes 1 o-ring, 2 mounting bolts and grease pack. This ...(October 18th, 2018)
• Ma15774 Ma15774x 2460 Midland Haldex Maxibrake Universal Air Chamber Spring Brake 767653026855 (27.9% similar) All photography is for illustrative purposes only and persons depicted are model's. Higher shipping and handling cost prevail. Free shipping: if an item is offered with shipping - for lower 48 USA only...(September 13th, 2019)