Looking for high quality A2FM piston rings for your Rexroth hydraulic pump? Our durable hydraulic pump piston rings are fully compatible with original A2FM models. Made from wear resistant materials, these anéis de pistão deliver long service life under high pressure and temperature. Ideal for rebuilds, repairs, or preventive maintenance, they ensure a precise fit and reliable sealing performance in demanding hydraulic systems.

hydraulic pump motor piston rings

Item Modelo n. Descrição Outer ΦS (mm) Inner ΦD (mm) Thickness L (mm) Shift B (mm)
1 A2FM10 Anel do pistão 9 8.05 1.2 0.35
2 A2FM12 Anel do pistão 9.7 8.7 1.4 0.45
3 A2FM16 Anel do pistão 11.2 10 1.4 0.45
4 A2FM23 Anel do pistão 12 10.8 1.8 0.6
5 A2FM28 Anel do pistão 13.3 11.9 1.8 0.6
6 A2FM32 Anel do pistão 14.2 12.8 1.8 0.6
7 A2FM45 Anel do pistão 16.0 14.4 2.0 0.6
8 A2FM56 Anel do pistão 16.8 15.0 2.3 0.7
9 A2FM63 Anel do pistão 17.8 16.0 2.3 0.7
10 A2FM80 Anel do pistão 18.9 16.9 2.5 0.8
11 A2FM90 Anel do pistão 20.0 18.0 2.5 0.8
12 A2FM107 Anel do pistão 20.6 18.4 2.8 0.9
13 A2FM125 Anel do pistão 22.3 20.1 2.8 0.9
14 A2FM160 Anel do pistão 23.6 21.1 3.2 1.0
15 A2FM180 Anel do pistão 25.0 22.5 3.2 1.0
16 A2FM250 Anel do pistão 32.0 29.0 3.2 1.25

Why Choose Our Hydraulic Pump Piston Rings?

O nosso anéis de pistão are designed for reliable performance and perfect fit in a wide range of bombas hidráulicas, including Bosch Rexroth A2FM series. Made with wear-resistant materials, each hydraulic pump piston ring ensures long-lasting sealing, smooth motion, and high temperature tolerance for demanding industrial use.

Full Range of A2FM Piston Ring Sizes

We offer a complete selection of A2FM piston ring sizes—from A2FM10 to A2FM250—engineered to match OEM specifications. Whether you're rebuilding a pump or replacing worn parts, our piston rings are 100% interchangeable and trusted by customers worldwide.

Need Help Finding the Right Piston Ring?

Not sure which hydraulic piston ring fits your model? Just send us your pump model, size, or a photo of the old ring—we'll help you find the correct part quickly. Our team is here to support your maintenance and repair with expert guidance and fast global delivery.