We supply and support the full range of Prestolite Hydraulic Starter Systems and Handraulic kits
Trusted globally for our reliability in remote-start and fail-safe engine ignition scenarios. Whether you’re replacing a full B35G8 or B50G35 starter assembly or sourcing a single relay valve or pinion, we can advise, supply, and support you with speed and expertise.
B35G8 Hydraulic Starter System
The B35G8 is a widely adopted starter unit used in low to medium displacement diesel engine applications. Its compact form and dependable start profile make it a favourite across multiple industries.
Available sub-assemblies:
- Starter Unit - Part No: B35G8
- Accumulator – 6518-24
- Hand Pump – 6518-35 (kits: 6518-28, -29, -39)
- Relay Valve – RV7
- Engine Dog – 527-4
- Pinion – 527-6
- Pipe Kit - 6518-26
- Shims - 527-57
B35G8 Hydraulic Starter System
The B35G8 is a widely adopted starter unit used in low to medium displacement diesel engine applications. Its compact form and dependable start profile make it a favourite across multiple industries.
Available sub-assemblies:
- Starter Unit - Part No: B35G8
- Accumulator – 6518-24
- Hand Pump – 6518-35 (kits: 6518-28, -29, -39)
- Relay Valve – RV7
- Engine Dog – 527-4
- Pinion – 527-6
- Pipe Kit - 6518-26
- Shims - 527-57
B50G35 Hydraulic Starter System
Engineered for higher-displacement engines, the B50G35 delivers increased torque with the same rock-solid dependability.
Available sub-assemblies:
- Starter Unit – Part No: B50G53
- Accumulator – 6518-24
- Hand Pump – 6518-35 (kits: 6518-28, -29, -39)
- Relay Valve – RV7
- Engine Dog – 526-148
- Pinion – 526-599
- Piping & Mounting Plate – 6518-26 + plate & hardware
- Pipe Kit - 6518-26
- Shims - 526-233

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Product information and downloads
All the information you need, here.
Handraulic Starter Engine Cranking Calculation sheet
B35G8 Service kit p/n 47920235 contents
Handraulic Starter Fitting Instructions
Handraulic Data sheet 25 Starter Alignment Tool
Need Parts Fast?
Whether you need a single valve or a full kit rebuild, email pa***@*****er.com or call us on +44 (0)23 8033 3139. We’ll get you sorted.
looking for something specific?
We also stock related Prestolite series and legacy components. If it’s out there, we’ll find it, or engineer a workaround that works.