The Multiquip 0402000820 is a genuine OEM Dowel Pin SAA6D125E-5 DCA-300SSK4 designed for the DCA-300SSK4 ultra-silent diesel generator equipped with the Komatsu SAA6D125E-5 engine. As a direct OEM replacement sourced through Multiquip's authorized parts network, 0402000820 delivers the exact dimensional tolerances required for correct component alignment within the engine assembly. This part is confirmed for use on DCA-300SSK4 units and the SAA6D125E-5 engine platform, giving you confidence in fitment before you order. DHS Equipment stocks genuine Multiquip OEM parts to keep your equipment running with the precision it was built to deliver.
Key Features
- Exact OEM Tolerances — Manufactured to the precise diameter and length specifications required for the SAA6D125E-5 engine, ensuring correct press fit and zero play between mated components.
- Drop-In Engine Alignment — Engineered to seat directly into existing bores without reworking or re-machining, maintaining the critical alignment geometry between engine block components.
- Confirmed Fitment — Verified for the DCA-300SSK4 ultra-silent generator and the Komatsu SAA6D125E-5 engine platform.
- Structural Alignment Integrity — A correctly installed dowel pin holds mating surfaces in precise register, preventing micro-movement under load that can accelerate wear or cause gasket and seal failure.
- Genuine Multiquip OEM Part — Sourced directly through Multiquip's authorized parts supply, part number 0402000820 meets the same production standards as the original component installed at the factory.
A dowel pin is a precision-ground cylindrical fastener used to positively locate and align two mating engine components — such as block halves, bearing caps, or cover plates — so they register in exactly the correct position every time they are assembled. Unlike a bolt, which clamps components together, a dowel pin controls lateral movement and prevents shifting under vibration or thermal cycling. When a dowel pin is worn, bent, or missing, mating surfaces can shift out of alignment, leading to uneven gasket compression, accelerated bearing wear, or improper sealing — all of which can result in more extensive and costly engine damage if left unaddressed.
For assistance confirming this part fits your specific DCA-300SSK4 unit or SAA6D125E-5 engine serial range, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 0402000820 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Dowel Pin SAA6D125E-5 DCA-300SSK4 |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA-300SSK4 | DCA-300SSK4 |
| SAA6D125E-5 | SAA6D125E-5 |
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.
