AC4Z-2B373-B | Genuine Ford® ATR-6 Traction Relay Valve

SKU: AC4Z-2B373-B MPN: AC4Z-2B373-B

Responsive pneumatic braking starts with the new Genuine Ford ATR-6 Traction Relay Valve, identified by Part Number: AC4Z-2B373-B. Designed for Ford trucks, it helps regulate air pressure distribution for controlled and consistent brake system operation.

$599.00
No Core Charge
In stock
  • Free shipping over $199Order today — get it Nov 12
  • Clock Icon
    Ships same day Order before 7 PM EST
  • Local pickup available Usually ready in 24 hours
Need it fast? We offer overnight shipping

Contact us to check if overnight next-day delivery is available for your order - PN: AC4Z-2B373-B

Product Description

Product Name ATR-6 Traction Relay Valve Product Name ATR-6 Traction Relay Valve
Condition New Condition New
Brand Ford® Brand Ford®
Part Number AC4Z-2B373-B Part Number AC4Z-2B373-B
Cross Reference AC4Z2B373B Cross Reference AC4Z2B373B
Vehicle Compatibility
Trucks Ford Trucks Ford

Useful Information

Description and Purpose:

The ATR-6 Traction Relay Valve regulates air pressure within the truck's pneumatic braking system, helping control brake application and maintain proper traction system operation. This new ATR-6 Traction Relay Valve by Genuine Ford carries Part Number: AC4Z-2B373-B, and is intended for compatible Ford truck applications. Cross Reference: AC4Z2B373B.

Why Replacement is Important:

A faulty relay valve can cause irregular air pressure distribution, affecting brake response and the reliability of the pneumatic braking system.

Impact on Vehicle Performance:

Proper valve operation supports consistent air brake control, responsive braking, and stable operation of the traction-related braking system.

Manufacturer Information:

Ford® is an established automotive manufacturer with extensive experience in commercial vehicle engineering, developing braking components and vehicle systems built around reliable operation, durability, and functional integration.

Tags & Category: Traction Valve, Relay Valve, ATR-6 Valve, Air Brake, Brake Relay, Brake Control, Pneumatic Valve, Brake System, Air Valve, Relay Assembly

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.

Product reviews

Store reviews

What customers say about Parts Finder Q

4.7 · 108 store reviews across all parts

Worked

Worked great
Verified buyerVerifiedBought: ABS module

Correct part and it works

The part was correct, it was shipped fast and the Customer is happy and says his car is working fine . So far so good he said. Thank you.
Bruce A.VerifiedBought: ABS module

2012 DODGE CHALLENGER ABS CONTROL

2012 DODGE CHALLENGER ABS CONTROL.
Gary L.VerifiedBought: ABS module

Satisfied customer

My part arrived ahead of time, it was the right part and the price was better than other sellers. Communication was also excellent. I will definitely order from them again
Robert C.VerifiedBought: Airbag sensor

These guys are fantastic

These guys are fantastic. Have probably ordered a dozen modules by now for our shop and all work flawless. They will continue to get our business.
William S.VerifiedBought: ABS module

Perfect

Perfect, so happy I found it
Verified buyerVerifiedBought: ABS module

Very happy.

Have ordered multiple items so far and very happy with quality. OEM new are unavailable and these guy came through big time!
Verified buyerVerifiedBought: ABS module

The product was great

The product was great, finally got dodged, put it in and it’s working wonderfully thank you again for the experience and the quick responses.
Paul D.Verified

excellant

excellant
Verified buyerVerifiedBought: ABS module

Great part

Great part, had it installed, works like a charm
Verified buyerVerifiedBought: Compressor

So far so good!

Exact part as OEM. Installed with zero issues. Plugged it in and programmed, all codes gone. ECBM functions as it should when tested with scan tool. Buying process was easy and straightforward no b.s. Would do busines...
Michael B.VerifiedBought: ABS module

Great experience

After several tries with another vendor - they got it right!An EBCM for this Cadillac is not easy to find - found this vendor and in 3 days the customer was back in their car.First impression is great - don't have...
Verified buyerVerifiedBought: ABS module
108Read all store reviews

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Nov 12
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: AC4Z-2B373-B