---
title: Several Parker QC Products Discontinued
description: List of Parker quick couplers discontinued November 1, 2021, and list of available replacement parts. | Place your order for discontinued parts ASAP.
---

[Industry News & Information Blog by Motion & Flow Control Products ](https://www.mfcp.com/blog)

# [Several Parker QC Products Discontinued](https://www.mfcp.com/blog/several-parker-qc-products-discontinued)

 Written by [Marek Bobik](https://www.mfcp.com/blog/author/marek-bobik-gravitar) | Tue, Sep 14, 2021 @ 05:04 PM

 

Parker’s Quick Coupling Division announced that it will obsolete the following products on November 1, 2021. They will accept orders from authorized distributors until October 31. If you are using any of the products below, please get in touch with us as soon as possible so we can place an order with Parker before the October 31 deadline.

## Complete Series Discontinued

The whole series of the following products will not be available after October 31.

**PF Series**  
Please get in touch with us for help choosing alternative solutions.

**25 Series**  
Please get in touch with us for help choosing alternative solutions.

**77 Series**  
Please get in touch with us for help choosing alternative solutions.

**K Series**  
Please get in touch with us for help choosing alternative solutions.

**HA Series**  
Parker recommends using Universal Series as an alternative.  
UC series will connect and interchange with the existing 50 Series nipples that currently connect to the HA couplers. Use part UC-251-4FP to replace HA-251-4FP, and use part UC-251-4MP in place of HA-251-4MP.

**HF and RF Series**  
Parker recommends using the Rectus equivalent from the table below.

| ### Current Part # | ### New Part# |
| --- | --- |
| HF-121-2FP | 21KAIN10MPN |
| HF-121-2MP | 21KAAN10MPN |
| HF-121-30M | 21KAAN13MEN |
| HF-121-4FP | 21KAIN13MPN |
| HF-121-4MP | 21KAAN13MPN |
| HF-124-2FP | 21SFIN10MXN |
| HF-124-2MP | 21SFAN10MXN |
| HF-124-4FP | 21SFIN13MXN |
| HF-124-4MP | 21SFAN13MXN |
| HF-251-4FP | 23KAIN13MPN |
| HF-251-4HB | 23KATF06MPN |
| HF-251-4MP | 23KAAN13MPN |
| HF-251-4PL | 23KATP06MPN |
| HF-251-6FP | 23KAIN17MPN |
| HF-251-6HB | 23KATF09MPN |
| HF-251-6MP | 23KAAN17MPN |
| HF-251-6PL | 23KATP10MPN |
| HF-371-4FP | 30KAIN13SPN |
| HF-371-4MP | 30KAAN13SPN |
| HF-371-6FP | 30KAIN17SPN |
| HF-371-6HB | 30KATF10SPN |
| HF-371-6MP | 30KAAN17SPN |
| HF-371-6PL | 30KATP10SPN |
| HF-371-8FP | 30KAIN21SPN |
| HF-371-8HB | 30KATF13SPN |
| HF-371-8MP | 30KAAN21SPN |
| HF-371-8PL | 30KATP13SPN |
| RF-251-4FP | 25KAIN13MPN |
| RF-251-4HB | 25KATF06MPN |
| RF-251-4MP | 25KAAN13MPN |
| RF-251-4PL | 25KATP06MPN |
| RF-251-6FP | 25KAIN17MPN |
| RF-251-6HB | 25KATF10MPN |
| RF-251-6MP | 25KAAN17MPN |
| RF-251-6PL | 25KATP10MPN |
| RF-254-2MP | 25SFAN10SXZ |
| RF-254-4FP | 25SFIN13SXZ |
| RF-254-4HB | 25SFTF06SXZ |
| RF-254-4MP | 25SFAN13SXZ |
| RF-254-4PL | 25SFTP06SXN |
| RF-254-6FP | 25SFIN17SXZ |
| RF-254-6HB | 25SFTF10SXZ |
| RF-254-6MP | 25SFAN17SXZ |
| RF-254-6PL | 25SFTP10SXN |

 

The following part numbers have no direct Rectus interchange. Please contact us for help with selecting replacement parts.

| HF-121-2FP-E |
| --- |
| HF-121-2FP-ER |
| HF-121-2FP-F |
| HF-121-4FP-E |
| HF-251-4FB |
| HF-251-4FP-BULK |
| HF-251-4FP-F |
| HF-251-4FP-S |
| HF-251-4HB-S |
| HF-251-4MP-BULK |
| HF-251-4MP-E-S |
| HF-251-4MP-S |
| HF-251-4PL-S |
| HF-251-6FP-BULK |
| HF-251-6FP-S |
| HF-251-6HB-BULK |
| HF-251-6HB-S |
| HF-251-6MP-BULK |
| HF-251-6MP-S |
| HF-251-6PL-BULK |
| HF-251-6PL-S |
| HF-371-4FP-S |
| HF-371-4MP-S |
| HF-371-6FP-S |
| HF-371-6HB-S |
| HF-371-6MP-S |
| HF-371-6PL-S |
| HF-371-8FP-S |
| HF-371-8HB-S |
| HF-371-8MP-S |
| HF-371-8PL-S |
| HF-501-8FP |
| HF-501-8MP |
| RF-251-8FP |
| RF-251-8MP |
| RF-251-8PL |
| RF-254-2MP-BULK |
| RF-254-4MB |
| RF-254-4PLR |
| RF-254-6HBR |
| RF-254-6MPR2 |
| RF-254-8MP |
| RF-254-8PL |
| RF-371-6FP |
| RF-371-6HB |
| RF-371-6MP |
| RF-371-6PL |
| RF-371-8FP |
| RF-371-8HB |
| RF-371-8MP |
| RF-371-8PL |
| RF-374-6FP |
| RF-374-6HB |
| RF-374-6HBR |
| RF-374-6MP |
| RF-374-6PL |
| RF-374-6PLR |
| RF-374-8FP |
| RF-374-8HB |
| RF-374-8MP |
| RF-374-8PL |

 

[View full post](https://www.mfcp.com/blog/several-parker-qc-products-discontinued)

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