Skip to content
Clear product details Fitment guidance Contact support
RepairRoute Parts for the job in front of you.

Brianna Auto Parts – 30400-4 Port Trailer Emergency Air Brake Relay Valve for Heavy Duty Big Rigs | Repair and Installation Guide

$76.99

SKU: C-B07L16CDXP Category:

Review this component in the context of the repair, installation access, nearby parts, and the result the job is intended to achieve.

About this item

  • Applies and Releases Emergency Parking Brakes
  • For Pre-121 Trailers, Converter Dollies, and Exempt Trailers
  • Comes with Safety Caps
  • No Core Charge
  • Warranty 12 Months

Before you order
  • Confirm the part number, position, dimensions, and connector details shown on this page.
  • Compare the listing with the part currently installed on your vehicle.

Description

Review this item in the context of the repair, installation access, nearby parts, and the result the completed job is intended to achieve.

Brand: Brianna Auto Parts (BAP)
  • Is Discontinued By Manufacturer

    :

    No
  • Product Dimensions

    :

    5 x 4 x 4 inches; 2.8 Pounds
  • Item model number

    :

    BAP30400
  • Date First Available

    :

    November 30, 2018
  • Manufacturer

    :

    Brianna Auto Parts (BAP)
  • ASIN

    :

    B07L16CDXP
  • Best Sellers Rank: #536,461 in Automotive (See Top 100 in Automotive)
    • #60 in Automotive Replacement Brake Valves

Product Description

About Us | Brianna Auto Parts

Hello fellow truckers. We are Brianna Auto Parts. Our team has more than 20 years of experience in the accessory and parts industry for Big Rigs. We eat, sleep & breathe Big Rigs. Our products have earned a reputation as the Top of the Line in the industry.

Our mission is to ensure your peace of mind knowing that your part is reliable, and knowing that we take care of you on your journey 100% of the way should you have any issues. We’re dedicated to your 5-star experience, so you will keep coming back for all your accessory needs.

With nationwide warehouses, we will get your orders to you as quick as possible, so you can install your accessories or parts and get back on the road doing what you do best, delivering goods to the people!

Brianna Auto Parts – Quality Replacement Parts for Peterbilt, Freightliner, Kenworth, Volvo, International, Mack, Western Star, and many more Semi Trucks.

4-Port Trailer Emergency Air Brake Relay Valve

Applies and Releases Emergency Parking Brake on Pre-121 Trailers, Converter Dollies, or Exempt Trailers.

4 Port Delivery.

No Core Charge.

Comes with Safety Caps to Protect the Threads and Mechanism prior Installation.

Technical Specifications

  • Reservoir Port: 3/4″
  • Service Inlet: 1/4″
  • Emergency Inlet: 1/4″
  • Delivery: 3/8″
  • Crack Pressure: 3.0 PSI
  • OEM Part Number: N4301CB
  • Approximate Weight: 2.8 lbs

May also Work as a Replacement for Part: 12350, 34067, 37025, 88507, 110200, 110205, 110460, 110470, 110475, 110475, 277186, 279291, 281869, 281870, 285553, 402482, 428800, 897928, 946406, 1019237, 1019238, 2453834, 2471955, 9016927, 9018245, 9049029, 9051594, 15050186, 55110475, 81090204, 83073240, 1019773A, 10TN856, 12350X, 36-04-073, 428186R92, 428186R93, 6B277445, 72201-5002, 7J7235, A1000S, A37411, A71890, A99036, C6TZ2A270A, KN30300, KN30300X, KN30400, L15782, N4171, N4301CA, N4301CB, N4301CB, N4301CD, PP01704.

3 Reasons to Choose Us

1. Premium Build Quality

Our parts are manufactured with superior quality materials and are built to last. The highest standard of testing is applied to each and every auto part.

2. The Best Value

While maintaining the highest quality & reliability, we have the most competitive offers out there. Know you are getting the best value with BAP.

3. We Take Pride

At Brianna Auto Parts, we take pride in our reputation of providing top of the line Big Rig parts.

Product facts

Specifications

Canonical product
MP-US-B07L16CDXP
Source product ID
B07L16CDXP
Category
Replacement Parts / Brake System / Valves
Available images
6
Referenced part numbers
N4301CB

No structured vehicle fitment data is available. Compare the listing with the vehicle and existing part before ordering.

Repair scenarios, installation, companion parts, and use outcomes

Buying guidance

Quick decision

Review this valves in the context of the repair and the surrounding components.

Repair scenario

  • Identify the symptom and confirm that this is the component required by the repair.
  • Inspect nearby connectors, fasteners, and mating surfaces before installation.

Installation notes

  • Use the listing instructions when present and follow the vehicle service procedure.
  • Professional installation may be appropriate when the repair requires special tools or calibration.

Companion parts

  • Inspect nearby fasteners, connectors, seals, fluids, and wear items before starting the repair.
  • Use the service procedure and the visible package contents to identify any additional parts or tools required.

Before you buy

  • Verify the referenced part number: N4301CB.
  • Compare the listing title, photos, package contents, and specifications with the part being replaced.
  • Confirm vehicle compatibility and installation requirements before ordering.

Customer feedback

Ratings and written reviews

Reviews below were submitted through this store.

Reviews

There are no reviews yet.

Be the first to review “Brianna Auto Parts – 30400-4 Port Trailer Emergency Air Brake Relay Valve for Heavy Duty Big Rigs | Repair and Installation Guide”

Your email address will not be published. Required fields are marked *