51mm / 2in. When the axial clearance of the gas ring is greater than 0.13mm, you should replace the piston ring. Item Type: Piston Ring. Model: 51 Piston Ring. 54mm / 2.1in. 48mm / 1.9in. 3 x Piston Ring.
eBay
AirTAC SDA25 Thin Cylinder: 5/10/20/25/30 Adjustable Multi-Stroke Double Acting Air Pneumatic Piston Cylinder
Aliexpress UK
The connecting rod crankshaft size is standard, it is an accurate air compressor air pump accessory. Item Type: Connecting Rod Crankshaft. 1 x Connecting Rod Crankshaft. The casting size tolerance is CT6 level specified in GB6414, and the error value is not more than 1.
eBay
OSP 25/32/40 Pneumatic Air Cylinder Mechanically Jointed Double Acting Rodless High Thrust OSP-25 Piston Small Part
Aliexpress UK
80mm / 3.1in. Made of high quality material, durable, the air tightness of the piston and the cylinder wall is good. When the axial clearance of the gas ring is greater than 0.13mm, you should replace the piston ring.
eBay
SC40 Pneumatic Cylinder Bore 40mm Standard Double Acting Piston Air Cylinder Stroke 25-1000mm Single Rod Actuator AFR brand
Aliexpress UK
Model: Q80. Using high‑quality cast iron material, high hardness, wear resistance. The air tightness between the piston and the cylinder wall is good, and there is no leakage. Item Type: Piston Ring.
eBay
SC 32 40 50 63 Bore Pneumatic Air Cylinder Piston 50 75 100 150 200 300 400 500 600 800 1000mm Stroke Double Acting Cylinders
Aliexpress UK
Top quality wabco air compressor pump full repair kit as in first and last picture. If your air springs are old, split, cracked, corded or perished you will have to keep topping up. Replacing the springs is a must if they are not in good condition.
eBay
1Pc Metal Y-20 M8*1.25 Thread Pneumatic Cylinder Rod Piston Clevis Y Joint for 20mm Bore Air Cylinder Mechanical Hardware
Aliexpress UK
The AC Piston Series Air Pump is a powerful, oil-free air pump designed for hydroponics, ponds, and aquariums. Max flow: 275 litres per minute. Key Features Oil-free air output for clean operation.
eBay
SC Standard Air Cylinder SC32/40/50/63mm Bore Small Pneumatic Cylinder Piston 25/50/75/100/150/200/250mm Stroke
Aliexpress UK
Item Type: Compressor Piston Connecting Rod Kit. Connecting Rod Length: Approx. 14.73 cm / 5.80 in. Connecting Rod Thickness: Approx. 1.18 cm / 0.465 in. Connecting Rod Width: Approx. 2.54 cm / 1.00 in.
eBay
YW11 Mini 130 Piston Diaphragm Pump DC 3V-6V 5V Air Water Suction Vacuum Pump Gas Fluid Sampling Pump
Aliexpress UK
The main function of the piston ring is to tight the combustion chamber with the piston housing and transfer heat from the piston to the cylinder. 80mm 0.48 0.67 air compressor head piston provide better sealing, improve performance and reduce fuel consumption.
eBay
OSP DSP Air Pneumatic Cylinder OSP25 OSP32 Bore 25mm 32mm Mechanically Jointed Double Acting Rodless Piston Small Part
Aliexpress UK