The Multiquip MM43377603 Cylinder Block BLW-300SS is a genuine OEM cylinder block designed for the BLW-300SS. As a direct OEM replacement, this part is sourced from Multiquip and built to the exact specifications required to restore proper engine function. Confirmed fitment for the BLW-300SS means this block installs as a true drop-in replacement with no guesswork on compatibility. When you need the structural core of the engine rebuilt right, this is the part to trust.
Key Features
- OEM-Grade Casting Integrity — Manufactured to the same material and dimensional standards as the original, ensuring correct bore geometry, deck surface flatness, and thread engagement throughout the block.
- Direct Engine Rebuild Foundation — Serves as the structural base for all internal engine components; aligns directly with existing head, crankcase, and cylinder head gasket interfaces on the BLW-300SS.
- Confirmed BLW-300SS Fitment — Engineered specifically for the BLW-300SS, eliminating the risk of mismatched port locations or incompatible bore sizing.
- Restores Full Engine Output — A cracked, warped, or damaged cylinder block causes compression loss, oil leaks, and overheating; replacing with MM43377603 brings combustion and lubrication systems back to proper operating condition.
- Genuine Multiquip OEM Part — Supplied directly through the Multiquip parts network, ensuring traceability and consistency with the original machine build specification.
The cylinder block is the foundational structural component of an engine — it houses the cylinder bore where combustion occurs, contains the oil passages that lubricate internal moving parts, and provides the mounting surface for the cylinder head, crankcase, and other engine assemblies. When the cylinder block is cracked, warped, or severely worn, the engine loses compression, burns oil, overheats, or fails to start altogether. Replacing a damaged block with the correct OEM part like the Multiquip MM43377603 is essential to restoring a fully functional, sealed engine that performs as designed.
Part Details
| Part Number | MM43377603 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Cylinder Block BLW-300SS |
Compatibility & Fitment
| Name | Model |
|---|---|
| BLW-300SS | BLW-300SS |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
