Description
Overview:
The Piston Assembly R4 (89.00 mm) is a genuine M.A.G engine component for the M.A.G 1045 SRL. It restores correct compression and smooth operation by sealing the combustion chamber and transferring combustion forces to the crankshaft. The piston is precision-made from durable materials suited to engine heat and load, with normal rings to provide reliable sealing and oil control. With a standard 89.00 mm diameter (approx. 3.50 in), it is intended for engines built to this bore size. This part is suitable for vintage machinery where maintaining original specifications is important. Supplied as unused old stock, it may show light tarnish or marks from storage. OEM reference 9020 204 supports direct identification and replacement on compatible equipment.
Key Features:
- Genuine M.A.G part for quality and correct fitment
- OEM reference: 9020 204 for straightforward cross-checking
- 89.00 mm (approx. 3.50 in) diameter for standard-bore engines
- Normal ring set for dependable sealing and oil control
- Precision-machined construction for strength and heat transfer
- Helps restore compression, power, and starting performance
- Direct-fit for M.A.G 1045 SRL when matched to engine specs
- Suitable for maintaining vintage machinery to original standards
- Unused old stock; may show cosmetic ageing from storage
- Designed for durability and long service life when installed correctly
Typical Applications:
Used to refurbish engines in vintage construction and garden machinery powered by M.A.G 1045 SRL units, such as compactors, mixers, generators, water pumps, and similar plant. Ideal where worn pistons or rings have led to low compression, hard starting, smoke, or loss of power, and a standard-size 89.00 mm piston is required.
Also known as:
Piston kit for M.A.G engines, piston assembly for M.A.G 1045 SRL, R4 piston 89 mm, 9020 204 piston, standard-ring piston set, replacement engine piston for M.A.G, 89 mm piston assembly.
Fits Models:
M.A.G 1045 SRL
Product Specifications
| L&S Part No. | 9020 204 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | M.A.G |
| Unit of Sale | 1 |
| Applications | M.A.G 1045 SRL |
| Fits Models | M.A.G 1045 SRL |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
Related Products
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
