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25VQ Series Vane Pump, 21 Ring Size, 7/8 Straight Keyed Shaft, Outlet 90 deg CCW from Outlet, CCW Rotation

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Displacement
4.12
Displacement
4.12
Brand
DANFOSS POWER SOLUTIONS II LLC (VICKERS)
Brand
Danfoss Power Solutions
Pack Size
1.00
UOM
EA
Maximum Pressure
3000
Maximum Pressure
3000
Port Location
90 deg CCW from Outlet
Rated Flow
31.50
Rated Flow
31.5
Ring Size
21
Ring Size
21
Rotation
CCW
Shaft
7/8 Straight Keyed
Shaft
7/8 Straight Keyed
Speed Rating
2500 RPM
Speed Rating
2500 RPM
Supplier Part Number
416457-8
Product Weight
32.00 lbs
Product Questions & Answers 3

Product Questions & Answers

Got a 25VQ21A running clockwise right now and need to swap it out. This one here is CCW only, right?
Question by: Rex B on Jul 17, 2025, 6:26 PM
Correct, this pump is built for counterclockwise rotation only. Running it clockwise would cause the vanes to seat improperly and you'd lose flow fast, likely damage the internals too. If your current setup spins CCW at the shaft, you're good to go. If it's CW, you'd need a different model.
Answer by: Customer Support on Jul 19, 2025, 6:33 AM
What kind of mounting does this pump use? Gotta make sure it'll fit my setup.
Question by: Earl W on Jan 18, 2026, 7:10 PM
This 25VQ series vane pump uses a standard 2-Bolt SAE B Mounting Flange.
Answer by: Customer Support on Jan 19, 2026, 8:41 PM
got a 25VQ21A-1D20-L pump on my machine now, is this 416457-8 the same one or am i fixin to order the wrong thing
Question by: Shane B on Nov 6, 2025, 2:00 PM
Match-up is straightforward here. The model number shown is 25VQ21A-1D20-L, and it is a 25VQ series single vane pump with 21 ring size, 7/8 straight keyed shaft, CCW rotation, and the port location called out as 90 degrees CCW from the outlet. If those identifiers line up with what is on your current pump tag, it is the same configuration.
Answer by: Customer Support on Nov 7, 2025, 9:08 PM

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Part Number Model Number Shaft Displacement Ring Size Rated Flow Port Location Rotation Maximum Pressure Speed Rating Price Buy Now
416457-2 25VQ21A-1B20 7/8 Straight Keyed 4.12 21 31.5 90 deg CW from Outlet CW 3000 2500 RPM
416457-3 25VQ21A-1C20 7/8 Straight Keyed 4.12 21 31.5 in-Line with Outlet CW 3000 2500 RPM
416457-4 25VQ21A-1D20 7/8 Straight Keyed 4.12 21 31.5 90 deg CCW from Outlet CW 3000 2500 RPM
416457-5 25VQ21A-1A20 7/8 Straight Keyed 4.12 21 31.5 Opposite Outlet CW 3000 2500 RPM
416457-6 25VQ21A-1B20-L 7/8 Straight Keyed 4.12 21 31.5 90 deg CW from Outlet CCW 3000 2500 RPM
416457-7 25VQ21A-1C20-L 7/8 Straight Keyed 4.12 21 31.5 in-Line with Outlet CCW 3000 2500 RPM
416457-8 25VQ21A-1D20-L 7/8 Straight Keyed 4.12 21 31.5 90 deg CCW from Outlet CCW 3000 2500 RPM
417992-2 25VQ17A-1B20 7/8 Straight Keyed 3.37 17 25.5 90 deg CW from Outlet CW 3000 2500 RPM
417992-3 25VQ17A-1C20 7/8 Straight Keyed 3.37 17 25.5 in-Line with Outlet CW 3000 2500 RPM
417992-4 25VQ17A-1D20- 7/8 Straight Keyed 3.37 17 25.5 90 deg CCW from Outlet CW 3000 2500 RPM
417992-5 25VQ17A-1A20-L 7/8 Straight Keyed 3.37 17 25.5 Opposite Outlet CCW 3000 2500 RPM
417992-6 25VQ17A-1B20-L 7/8 Straight Keyed 3.37 17 25.5 90 deg CW from Outlet CCW 3000 2500 RPM
417992-7 25VQ17A-1C20-L 7/8 Straight Keyed 3.37 17 25.5 in-Line with Outlet CCW 3000 2500 RPM
417992-8 25VQ17A-1D20-L 7/8 Straight Keyed 3.37 17 25.5 90 deg CCW from Outlet CCW 3000 2500 RPM
417993-2 25VQ14A-1B20 7/8 Straight Keyed 2.77 14 21.5 90 deg CW from Outlet CW 3000 2700 RPM
417993-3 25VQ14A-1C20 7/8 Straight Keyed 2.77 14 21.5 in-Line with Outlet CW 3000 2700 RPM
417993-4 25VQ14A-1D20 7/8 Straight Keyed 2.77 14 21.5 90 deg CCW from Outlet CW 3000 2700 RPM
417993-5 25VQ14A-1A20-L 7/8 Straight Keyed 2.77 14 21.5 Opposite Outlet CCW 3000 2700 RPM
417993-7 25VQ14A-1C20-L 7/8 Straight Keyed 2.77 14 21.5 in-Line with Outlet CCW 3000 2700 RPM
417994-2 25VQ12A-1B20 7/8 Straight Keyed 2.45 12 18 90 deg CW from Outlet CW 3000 2700 RPM
417994-3 25VQ12A-1C20 7/8 Straight Keyed 2.45 12 18 in-Line with Outlet CW 3000 2700 RPM
417994-4 25VQ12A-1D20 7/8 Straight Keyed 2.45 12 18 90 deg CCW from Outlet CW 3000 2700 RPM
417994-5 25VQ12A-1A20-L 7/8 Straight Keyed 2.45 12 18 Opposite Outlet CCW 3000 2700 RPM
417994-7 25VQ12A-1C20-L 7/8 Straight Keyed 2.45 12 18 in-Line with Outlet CCW 3000 2700 RPM
421472-2 25VQ14A-11B20 13 Tooth SAE B Splined 2.77 14 21.5 90 deg CW from Outlet CW 3000 2700 RPM
421472-3 25VQ14A-11C20 13 Tooth SAE B Splined 2.77 14 21.5 in-Line with Outlet CW 3000 2700 RPM
421472-4 25VQ14A-11D20 13 Tooth SAE B Splined 2.77 14 21.5 90 deg CCW from Outlet CW 3000 2700 RPM
421472-5 25VQ14A-11A20-L 13 Tooth SAE B Splined 2.77 14 21.5 Opposite Outlet CCW 3000 2700 RPM
421472-6 25VQ14A-11B20-L 13 Tooth SAE B Splined 2.77 14 21.5 90 deg CW from Outlet CCW 3000 2700 RPM
421472-7 25VQ14A-11C20-L 13 Tooth SAE B Splined 2.77 14 21.5 in-Line with Outlet CCW 3000 2700 RPM
421472-8 25VQ14A-11D20-L 13 Tooth SAE B Splined 2.77 14 21.5 90 deg CCW from Outlet CCW 3000 2700 RPM
421475-2 25VQ17A-11B20 13 Tooth SAE B Splined 3.37 17 25.5 90 deg CW from Outlet CW 3000 2500 RPM
421475-3 25VQ17A-11C20 13 Tooth SAE B Splined 3.37 17 25.5 in-Line with Outlet CW 3000 2500 RPM
421475-4 25VQ17A-11D20 13 Tooth SAE B Splined 3.37 17 25.5 90 deg CCW from Outlet CW 3000 2500 RPM
421475-5 25VQ17A-11A20-L 13 Tooth SAE B Splined 3.37 17 25.5 Opposite Outlet CCW 3000 2500 RPM
421475-6 25VQ17A-11B20-L 13 Tooth SAE B Splined 3.37 17 25.5 90 deg CW from Outlet CCW 3000 2500 RPM
421475-7 25VQ17A-11C20-L 13 Tooth SAE B Splined 3.37 17 25.5 in-Line with Outlet CCW 3000 2500 RPM
421475-8 25VQ17A-11D20-L 13 Tooth SAE B Splined 3.37 17 25.5 90 deg CCW from Outlet CCW 3000 2500 RPM
421477-2 25VQ21A-11B20 13 Tooth SAE B Splined 4.12 21 31.5 90 deg CW from Outlet CW 3000 2500 RPM
421477-3 25VQ21A-11C20 13 Tooth SAE B Splined 4.12 21 31.5 in-Line with Outlet CW 3000 2500 RPM
421477-4 25VQ21A-11D20 13 Tooth SAE B Splined 4.12 21 31.5 90 deg CCW from Outlet CW 3000 2500 RPM
421477-5 25VQ21A-11A20-L 13 Tooth SAE B Splined 4.12 21 31.5 Opposite Outlet CCW 3000 2500 RPM
421477-6 25VQ21A-11B20-L 13 Tooth SAE B Splined 4.12 21 31.5 90 deg CW from Outlet CCW 3000 2500 RPM
421477-7 25VQ21A-11C20-L 13 Tooth SAE B Splined 4.12 21 31.5 in-Line with Outlet CCW 3000 2500 RPM
421477-8 25VQ21A-11D20-L 13 Tooth SAE B Splined 4.12 21 31.5 90 deg CCW from Outlet CCW 3000 2500 RPM
429946-2 25VQ12A-11B20 13 Tooth SAE B Splined 2.45 12 18 90 deg CW from Outlet CW 3000 2700 RPM
429946-3 25VQ12A-11C20 13 Tooth SAE B Splined 2.45 12 18 in-Line with Outlet CW 3000 2700 RPM
429946-4 25VQ12A-11D20 13 Tooth SAE B Splined 2.45 12 18 90 deg CCW from Outlet CW 3000 2700 RPM
429946-5 25VQ12A-11A20-L 13 Tooth SAE B Splined 2.45 12 18 Opposite Outlet CCW 3000 2700 RPM
429946-6 25VQ12A-11B20-L 13 Tooth SAE B Splined 2.45 12 18 90 deg CW from Outlet CCW 3000 2700 RPM
429946-7 25VQ12A-11C20-L 13 Tooth SAE B Splined 2.45 12 18 in-Line with Outlet CCW 3000 2700 RPM
429946-8 25VQ12A-11D20-L 13 Tooth SAE B Splined 2.45 12 18 90 deg CCW from Outlet CCW 3000 2700 RPM
578308-2 25VQ19A-1B20 7/8 Straight Keyed 3.74 19 28.5 90 deg CW from Outlet CW 3000 2500 RPM
578308-3 25VQ19A-1C20 7/8 Straight Keyed 3.74 19 28.5 in-Line with Outlet CW 3000 2500 RPM
578308-4 25VQ19A-1D20 7/8 Straight Keyed 3.74 19 28.5 90 deg CCW from Outlet CW 3000 2500 RPM
578308-5 25VQ19A-1A20-L 7/8 Straight Keyed 3.74 19 28.5 Opposite Outlet CCW 3000 2500 RPM
578308-7 25VQ19A-1C20 -L 7/8 Straight Keyed 3.74 19 28.5 in-Line with Outlet CCW 3000 2500 RPM
629379-2 25VQ19A-11B20 13 Tooth SAE B Splined 3.74 19 28.5 90 deg CW from Outlet CW 3000 2500 RPM
629379-3 25VQ19A-11C20 13 Tooth SAE B Splined 3.74 19 28.5 in-Line with Outlet CW 3000 2500 RPM
629379-4 25VQ19A-11D20 13 Tooth SAE B Splined 3.74 19 28.5 90 deg CCW from Outlet CW 3000 2500 RPM
629379-5 25VQ19A-11A20-L 13 Tooth SAE B Splined 3.74 19 28.5 Opposite Outlet CCW 3000 2500 RPM
629379-7 25VQ19A-11C20-L 13 Tooth SAE B Splined 3.74 19 28.5 in-Line with Outlet CCW 3000 2500 RPM
416457-1 25VQ21A-1A20-L 7/8 Straight Keyed 4.12 21 31.5 Opposite Outlet CCW 3000 2500 RPM
417992-1 25VQ17A-1A20 7/8 Straight Keyed 3.37 17 25.5 Opposite Outlet CW 3000 2500 RPM
417993-1 25VQ14A-1A20 7/8 Straight Keyed 2.77 14 21.5 Opposite Outlet CW 3000 2700 RPM
417994-1 25VQ12A-1A20 7/8 Straight Keyed 2.45 12 18 Opposite Outlet CW 3000 2700 RPM
421472-1 25VQ14A-11A20 13 Tooth SAE B Splined 2.77 14 21.5 Opposite Outlet CW 3000 2700 RPM
421475-1 25VQ17A-11A20 13 Tooth SAE B Splined 3.37 17 25.5 Opposite Outlet CW 3000 2500 RPM
421477-1 25VQ21A-11A20 13 Tooth SAE B Splined 4.12 21 31.5 Opposite Outlet CW 3000 2500 RPM
429946-1 25VQ12A-11A20 13 Tooth SAE B Splined 2.45 12 18 Opposite Outlet CW 3000 2700 RPM
578308-1 25VQ19A-1A20 7/8 Straight Keyed 3.74 19 28.5 Opposite Outlet CW 3000 2500 RPM
629379-1 25VQ19A-11A20 13 Tooth SAE B Splined 3.74 19 28.5 Opposite Outlet CW 3000 2500 RPM