Description
Overview:
This Genuine Honda Ring Piston Set is an oversize 0.25 mm set designed for GX340T2 and GX390T1 petrol engines used in construction and garden machinery. Supplied under OEM reference 13011 Z5R 004, the rings are manufactured to Honda's specifications using durable, wear-resistant steel to maintain cylinder sealing, compression and oil control. Correct ring sealing helps engines start reliably, hold steady power, and run cleanly with reduced oil consumption. Suitable for routine overhaul or after a light re-bore/hone, the set restores compression in hard-working equipment such as generators, plate compactors, water pumps and mowers powered by Honda GX-series engines. It is a Genuine Part for assured fit and performance in professional and DIY maintenance.
Key Features:
- Genuine Honda part for accurate fit and reliable sealing
- 0.25 mm oversize to suit correctly re-bored/honed cylinders
- OEM-grade steel rings for wear resistance and long service life
- Helps restore compression, power output and fuel efficiency
- Supports clean combustion and reduces oil consumption and smoke
- Stable ring seating for smoother running and easier starting
- Compatible with selected GX340 and GX390 engine variants
- Suitable for heavy-duty use in site and garden equipment
- Straightforward to fit for competent users with standard tools
- Backed by Honda's manufacturing standards for consistency
Typical Applications:
Used during engine rebuilds or scheduled maintenance on Honda GX340/GX390-powered equipment. Typical machines include generators, cement mixers, plate compactors, water pumps, pressure washers and commercial lawn/garden machinery where reliable compression and oil control are essential for daily operation.
Also known as:
Ring pack, piston rings, compression ring set, oil control ring set, oversize 0.25 mm rings, 0.25 OS ring set, engine ring kit.
Fits Models:
GX340T2, GX390H1, GX390T1, GX390T2, GX390U1, GX390UT1, GX390UT2, GXV390RT1
Alternate Part Numbers:
13011Z5R004
Product Specifications
| L&S Part No. | 13011 Z5R 004 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 13011 Z5R 004 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Honda |
| Key Features | - Genuine Honda part ensures accurate fit and reliable sealing - 0.25 mm oversize suits re-bored/honed cylinders - OEM-grade steel for wear resistance and long service life - Compatible with GX340 and GX390 engine variants - Restores compression, power output, and fuel efficiency |
| Fits Models | GX340T2 (GCBFT) | GX390T1 (GCAET) | GX390H1 (GCAFH) | GX390UT1 (GCAKT) | GX390T2 (GCBDT) | GXV390RT1 (GJADT) | GX390U1 (GCANK) | GX390UT2 (GCBCT) |
