MTB150 MTB175 MTB170 MTB155 MTB125 MTB120 Breaker Control Valve Spool Check Valve Core Spring Guide Pin
MTB150 MTB175 MTB170 MTB155 MTB125 MTB120 Breaker Control Valve Spool Check Valve Core Spring Guide Pin
Quick Reference
| Category | Title | Top Keywords |
| Housing | MTB150 Hydraulic Breaker Main Housing Ring Body | breaker housing, main body ring, valve cover |
| Valve Core | MTB150 Breaker Control Valve Spool & Check Valve Core | valve spool, check valve core, spring guide |
| Port & Exhaust | MTB150 Breaker Exhaust Valve & Charging Plug Kit | exhaust valve, charging plug, air filter cover |
| Seal & Spring | Hydraulic Breaker Seal Kit & Spring Set for MTB150 | seal kit, spring set, o-ring kit |
Product Features
1. Precision ground surface for smooth spool movement inside valve body
2. Hard chrome plated for superior wear resistance and corrosion protection
3. Heat-treated alloy steel construction for high impact strength
4. Direct OEM replacement for MTB series hydraulic breakers
5. Tight tolerance control to prevent internal oil leakage and pressure drop
6. Restore hammer performance – fixes irregular impact frequency and power loss
7. Easy installation – drop-in fit with no modification required
MTB Hydraulic Breaker Model
| MTB 9 | MTB 11 | MTB 15 | MTB 21 | MTB 30 |
| MTB 25 | MTB 35 | MTB 36 | MTB 38 | MTB 45 |
| MTB 65 | MTB 95 | MTB 125 | MTB 155 | MTB 175 |
| MTB 215 | MTB 255 | MTB 285 | MTB 365 | MTB 505 |
| MTB 40 | MTB 705 |
Hydraulic Breaker Spare Parts
| Hammer Parts | Main Body | Back Head | Charging Valve | Cylinder |
| Ring Bush | Thrust Bush | Upper Bush | Front Cover | Tool Bush |
| Buffer Seal | Dust Seal | U-Packing | Back-up ring | Side Bolt |
| Rod Moil Point | Chisel | Washer | Through Bolt | Side Rod |
| Air Check Valve | Valve Adjuster | Accumulator | Accumulator Body | Accumulator Cover |
| Front Head | Grease Nipple | Rod Pin | Stop Pin | Rubber Plug |
| Charging V/V | Diaphragm | Seal Kit | O-Ring Seal | Gas Seal |
| Socket Plug | Piston | Adapter | Valve | Valve Plug |
| Down Cushion | Tool Set | N2 Gas Charging Set | N2 Gas Cylinder | B-3way valve assy |
| Seal Retainer | Valve Sleeve | Front Head Pin | Lower Bush | Hex Nut |
| Socket Bolt | Step Seal | Upper Cushion | Rubber Pad | Shock Absorber |
Company Profile
Guangzhou Huilian Machinery Equipment Co. Ltd. is a professional supplier of hydraulic breaker parts, excavator parts, and OEM hydraulic seals manufacturer. With over ten years of specialization in Guangzhou, China, we provide complete seal kits and separate seals for hydraulic breakers and excavators.
Koko Shop supplies parts for almost all breaker brands including seal kits, diaphragms, pistons, chisels, wear bushes, rod pins, through bolts, side bolts, control valves, front heads, cylinders, accumulators, N2 gas charging kits, and more. We maintain high quality standards with genuine and OEM after-market replacement parts.
Excavator spare parts
Hydraulic breaker parts
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.



