Description
Overview:
This crank case gasket is a genuine Makita OEM component designed to restore a reliable seal between crankcase halves on selected Makita 2‐stroke engines. Made from a durable, oil‐resistant fibre composite and precisely cut to the correct profile, it helps prevent oil and air leaks that can reduce performance or cause premature wear. Ideal for servicing backpack leaf blowers such as the PB500R and RBL500, and other compatible machines listed below, it supports stable idle, consistent compression, and cleaner running. Supplied as Makita part number 442157-5, it is built to the manufacturer's specification for fit and longevity. Choose this gasket when rebuilding an engine, replacing a leaking casing joint, or completing routine maintenance after strip‐down.
Key Features:
- Genuine Makita OEM part (MPN 442157-5) for assured fit and compatibility
- Oil‐ and fuel‐resistant fibre composite material for dependable sealing
- Helps prevent air and oil leaks to maintain compression and engine efficiency
- Precisely profiled for the crankcase joint; no trimming required
- Supports smoother starting, stable idle, and consistent power delivery
- Suitable for routine maintenance or full engine rebuilds
- Designed to withstand heat, vibration, and regular professional use
- Cross‐references: 4421575 and 5411501200 for easy identification
Typical Applications:
Used during crankcase reassembly on compatible Makita engines to renew the joint seal after inspection, bearing replacement, or piston/ring service. Helps cure oil misting, loss of power due to air ingress, or contamination after gasket failure on leaf blowers and brushcutters.
Also known as:
Crank housing gasket, crankcase cover gasket, engine casing gasket, crankcase joint gasket, casing interface gasket.
Fits Models:
MS4211, PB500R, RBC420, RBC420E, RBC421L, RBL500
Alternate Part Numbers:
5411501200, 4421575
Product Specifications
| L&S Part No. | 442157-5 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Makita |
| OEM No. | 442157-5 |
| Unit of Sale | 1 |
| Machine Type | Backpack Blowers, Blower/Shredders |
| Fits Brands | Makita |
| Key Features | - Genuine Makita OEM part for assured fit and compatibility - Oil‐ and fuel‐resistant fibre composite material - Precisely profiled for crankcase joint; no trimming required - Suitable for Makita models: MS4211, PB500R, RBC420, RBC420E, RBC421L, RBL500 - Helps prevent air and oil leaks to maintain engine efficiency |
| Fits Models | PB500R | RBL500 | RBC420 | RBC420E | RBC421L | MS4211 |
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