






































Curt Discovery Next Electric Trailer Brake Control For 19-25 Subaru Ascent
Model: CU81JITrailer Brake Controller Harness
Installation Hardware (if required)
Installation Instructions (if required)
Installation Schematics & Diagrams (if required)
This Brake Controller Fits The Following Vehicles:
- 2019 - 2025 Subaru Ascent All Models
CURT 51126 Discovery NEXT Electric Trailer Brake Controller, Time-Delay, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play (QTY 1)
Manufactured by: Curt
Introducing the CURT Discovery NEXT, a powerful, compact, and user-friendly brake controller designed to ensure reliable operation of your electric trailer brakes right from the comfort of your vehicle's cabin With its sleek and modern design, as well as a low-profile bracket for improved clearance, this controller delivers exceptional control Manage the braking system of 2-8 trailers at a time, accommodating 1-4 axles, with ease thanks to its fully adjustable settings that seamlessly adapt to your specific vehicle-trailer configuration.
The Discovery NEXT represents an upgraded and enhanced iteration of our highly regarded Discovery brake controller It boasts compatibility with a wide range of brake systems, including low-volt, PWM, ABS, cruise control, and electric over hydraulic brakes Its slim profile strikes a balance between functionality and modern aesthetics, ensuring powerful brake control is right at your fingertips without overwhelming your vehicle's dashboard.
Stay informed about your brake settings at a glance, courtesy of the LED display that showcases power adjustments in precise 0.5 increments The display also provides comprehensive full-text diagnostics, simplifying troubleshooting, while the adjustable brightness guarantees optimal visibility for towing during any time of the day or night Moreover, the included unique mounting bracket further enhances clearance, allowing for an unobtrusive installation.
Equipped with a time-delay feature, the Discovery NEXT brake controller offers fully adjustable power and ramp time to achieve precise control With a selection of 10 gain settings and nine load settings, you can finely calibrate the controller to align perfectly with your specific towing requirements The ramp-up progress is clearly indicated through LED indicators, and the brightness is adjustable to suit the conditions of daytime or nighttime towing..
Features:
- Slim, low-profile design for a functional, modern aesthetic
- Unique bracket system for improved dash clearance
- Fully adjustable power and ramp time
- Operates 2-8 trailer brakes at a time (1-4 axles)
- No internal moving parts and no leveling required
- 10 gain settings and 9 load settings to adapt to various driving conditions
- LED display shows power adjustments in 0.5 increments
- Day-night mode and adjustable brightness for optimal visibility
- Mounts anywhere in the vehicle, at any angle
- Full-text diagnostics for easier troubleshooting
- Compatible with low-volt, PWM, ABS, cruise control and electric over hydraulic
- Auto-sleep mode prevents battery drain after five minutes of idle time
- Plug-and-play install with vehicle-specific quick plug harness (sold separately)
Quick plug harness installs with plug-and-play convenienceWire colors match standard brake controller harnessesIncludes 24" of 12 gauge wire for flexible installationSlit-loom sleeve keeps wires contained and protected (QTY 1)
Manufactured by: Curt
List of Fitment Years:
2025, 2024, 2023, 2022, 2021, 2020, 2019$121 99 $143.10 15% OFF
- Best Price on Web Guarantee
- Fastest Shipping
- FREE Shipping
- In Stock

We match lower prices from major authorized retailers for brand-new products in original packaging, provided the item is in stock. The competing seller must be an authorized, professional retail business; offers from
individuals, auctions, peer-to-peer sites, or unauthorized sellers don’t qualify. Used, refurbished, or open-box items are excluded.
Please see our full terms for details.
Verify Fitment
View products that fit your vehicle
Fits 's with the following styles:
View products that fit your vehicle
Fits 's with the following styles:
$143.10 $121 99
Questions? Call our Auto Experts at (877) 869-6690
Get it now, pay later
Select installments at checkout to split your purchase into 4 interest-free payments of $ every 2 weeks.
- No fees, ever.
- No impact on your credit score.
Payment options are offered by Affirm and are subject to an eligibility check and might not be available in all states. CA Residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lender license.
Installments in partnership with
.
Affirm and its offerings are supported in English only. Translations are not provided by Affirm.
Product Details
- Brand: Curt
- Model: CU81JI
- Includes: Discovery Next Brake Control, Plug Adapter
Compatibility Chart
Year Range | Make | Model | Style |
---|
Ask a Question about Curt Discovery Next Electric Trailer Brake Control For 19-25 Subaru Ascent
Be the first to ask a question.
File | Size | |
---|---|---|
pdf_curt_51126.pdf | 1.02MB | Download |
Description
Trailer Brake Controller Harness
Installation Hardware (if required)
Installation Instructions (if required)
Installation Schematics & Diagrams (if required)
This Brake Controller Fits The Following Vehicles:
- 2019 - 2025 Subaru Ascent All Models
CURT 51126 Discovery NEXT Electric Trailer Brake Controller, Time-Delay, Fully Adjustable, Low Profile, 2-4 Axles, Plug-and-Play (QTY 1)
Manufactured by: Curt
Introducing the CURT Discovery NEXT, a powerful, compact, and user-friendly brake controller designed to ensure reliable operation of your electric trailer brakes right from the comfort of your vehicle's cabin With its sleek and modern design, as well as a low-profile bracket for improved clearance, this controller delivers exceptional control Manage the braking system of 2-8 trailers at a time, accommodating 1-4 axles, with ease thanks to its fully adjustable settings that seamlessly adapt to your specific vehicle-trailer configuration.
The Discovery NEXT represents an upgraded and enhanced iteration of our highly regarded Discovery brake controller It boasts compatibility with a wide range of brake systems, including low-volt, PWM, ABS, cruise control, and electric over hydraulic brakes Its slim profile strikes a balance between functionality and modern aesthetics, ensuring powerful brake control is right at your fingertips without overwhelming your vehicle's dashboard.
Stay informed about your brake settings at a glance, courtesy of the LED display that showcases power adjustments in precise 0.5 increments The display also provides comprehensive full-text diagnostics, simplifying troubleshooting, while the adjustable brightness guarantees optimal visibility for towing during any time of the day or night Moreover, the included unique mounting bracket further enhances clearance, allowing for an unobtrusive installation.
Equipped with a time-delay feature, the Discovery NEXT brake controller offers fully adjustable power and ramp time to achieve precise control With a selection of 10 gain settings and nine load settings, you can finely calibrate the controller to align perfectly with your specific towing requirements The ramp-up progress is clearly indicated through LED indicators, and the brightness is adjustable to suit the conditions of daytime or nighttime towing..
Features:
- Slim, low-profile design for a functional, modern aesthetic
- Unique bracket system for improved dash clearance
- Fully adjustable power and ramp time
- Operates 2-8 trailer brakes at a time (1-4 axles)
- No internal moving parts and no leveling required
- 10 gain settings and 9 load settings to adapt to various driving conditions
- LED display shows power adjustments in 0.5 increments
- Day-night mode and adjustable brightness for optimal visibility
- Mounts anywhere in the vehicle, at any angle
- Full-text diagnostics for easier troubleshooting
- Compatible with low-volt, PWM, ABS, cruise control and electric over hydraulic
- Auto-sleep mode prevents battery drain after five minutes of idle time
- Plug-and-play install with vehicle-specific quick plug harness (sold separately)
Quick plug harness installs with plug-and-play convenienceWire colors match standard brake controller harnessesIncludes 24" of 12 gauge wire for flexible installationSlit-loom sleeve keeps wires contained and protected (QTY 1)
Manufactured by: Curt