NX Fluid End Parts
Step-by-Step Guide to Requesting Parts
- Frac and Well Service Parts Library
- Fluid End Parts 52 NX, 4.0
- Fluid End Parts 52 NX, 4.5
- Fluid End Parts 52 NX, 5.0
- Fluid End Parts 60 NX, 4.0
- Fluid End Parts 60 NX, 4.5
- Fluid End Parts 52 VX, 4.0
- Fluid End Parts 52 VX, 4.5
- Fluid End Parts 60 VX, 4.0
- Fluid End Parts 60 VX, 4.5
- Fluid End Parts 60 QSS, 5.0
- Fluid End Parts 60 QSS, 4.5
- Fluid End Parts 3000, 5.0
4.0" GD 2500Q NX Fluid End
Scan, Identify, Quote - It's That Simple!
Your time is valuable, and we’ve streamlined the process to save you both time and effort.
Step 1: Identify the Part You Need
View the diagram of the GD 2500Q NX Fluid End Assembly to identify the part you need for your equipment. Each part is marked with a unique reference number, making it easy to determine the specific component required.

-1-1.png?width=700&height=869&name=GD%202500%20NX%20Fluid%20Ends%20(dragged)-1-1.png)
Step 2: Select Your Part From the List
Refer to the table below for a list of all reference numbers for the 4.0" GD 2500Q NX Fluid End Assembly, along with their descriptions. Use this information to select the part number(s) required for your needs.
4.0" GD 2500Q NX FLUID END ASSEMBLY
Submit a request by Part Number and Description. Reference Numbers are for your convenience only.
| Ref. No. | Description | Qty | Part Number |
| 2 |
VALVE SEAT (DISCHARGE AND SUCTION) - Redline+ |
10 |
PP1178891 |
| 3 |
VALVE (DISCHARGE AND SUCTION) - Redline+ |
10 |
PP1222694 |
| 5 | SPRING - VALVE (DISCHARGE AND SUCTION) |
10 |
918VP023 |
| 6 | FALCON RETAINER | 5 |
PP1085786 |
| 7 | VALVE COVER, DISCHARGE | 4 |
PP1131148 |
| 8 | VALVE COVER, SUCTION | 5 |
PP1131146 |
| 9 | SEAL (DISCHARGE/SUCTION) | 10 |
PP1208120 |
| 10 | RETAINER NUT (DISCHARGE/SUCTION) | 5 |
PP1209946 |
| 11 |
2" 1502 FEMALE GAUGE CONNECTOR DISCHARGE VALVE COVER |
1 |
PP1131149 |
| 12 |
RETAINER, GAUGE CONNECTOR |
1 |
PP1209881 |
| 13 |
WECO SEAL 2" |
1 |
901SH06-1 |
| 14 | RING - RETAINING | 1 |
65U45 |
| 15 | PLUG | 5 |
64AA5 |
| 16 |
4.0" PLUNGER 4.0" PLUNGER - EXTENDED LIFE |
5 5 |
157PN009 PP1075485 |
| 17 |
V THREAD GLAND BUTTRESS THREAD GLAND |
5 5 |
PP1130320 PP1223376 |
| 18 |
PLUNGER COUPLING (4.0") |
5 |
342-C-78 |
|
REDLINE+ PACKING HARD SET |
5 |
400GDP4060 |
|
|
REDLINE+ PACKING SOFT SET |
5 |
400GDP718 |
Step 3: Request a Quote
To request a quote, simply input the selected part number(s) and quantity in our comment section below. Once submitted, a GD Energy Products sales representative will follow up with detailed pricing and ordering information.
Want to Get the Most Out of Your Equipment?
Check out the Pump University Video Library for expert-led, on-demand training on Redline+ packing, valves, seats, and more. These videos help your team improve maintenance practices, extend component life, and reduce costly downtime.
About the NX Fluid End
Meeting today’s high demands in pressure pumping applications, GD Energy Products introduces the NX – the next generation in fluid end technology. Designed for hydraulic fracturing, coil tubing, and other extreme duty applications, the NX enhances operational service life. Backed by GD Energy Products’ legacy of innovation and quality, the NX combines top-performing geometry, metallurgy, and components.
Contact us today for exclusive customized pricing!