Description
Overview:
The Piston Ring Set R4 (89.00 mm) Oversize is a Genuine M.A.G replacement set for the Mag 1057 DRT diesel engine. Supplied as unused old stock, it is produced to OEM standards to restore correct sealing between the piston and cylinder wall. The rings support compression retention and oil control, helping the engine start reliably, pull under load, and run cleaner. Made from a wear‐resistant ferrous alloy suitable for diesel service, the set is intended for engines that have been serviced or re-bored to a matching 89.00 mm cylinder size. Ideal for rebuilds of the 1057 DRT (including 1057DRT variants), it offers a straightforward way to return a tired engine to dependable operation while preserving original specification and performance.
Key Features:
- Genuine M.A.G part for assured compatibility with Mag 1057 DRT engines
- Oversize 89.00 mm ring set for cylinders finished to the same bore size
- Restores compression and reduces blow-by for improved starting and power
- Controls oil consumption and exhaust smoke by maintaining correct oil scraping
- Manufactured to precise tolerances for consistent ring end-gap and sealing
- Durable ferrous alloy construction for long service life in diesel applications
- Supplied as a matched set to ensure even wear and correct ring pack balance
- Suitable for engine overhauls following re-bore or honing work
- Unused old stock; may show storage tarnish or dust with no effect on function
- Compatible with vintage applications where maintaining OEM build is important
Typical Applications:
Used during maintenance and full rebuilds of Mag 1057 DRT diesel engines to restore performance and reliability. Common in repair of older plant and equipment powered by these engines, including workshop refurbishments, fleet overhauls, and preservation projects where OE-spec parts are preferred.
Also known as:
Piston ring kit, ring pack, oversize piston rings 89.00 mm, compression and oil control ring set, diesel engine re-ring kit, M.A.G piston rings, cylinder re-bore ring set for Mag 1057 series.
Fits Models:
1057 DRT, 1057DRT
Product Specifications
| L&S Part No. | 9282 037 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | M.A.G |
| Unit of Sale | 1 |
| Applications | 1057 DRT, 1057DRT |
| Machine Type | Engines |
| Fits Models | 1057 DRT |
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