Description
Overview:
This heat sink is a Genuine DeWalt/Black & Decker part designed for the D25980 and D25981 demolition hammers. Built from a robust aluminium alloy with a finned profile, it efficiently draws heat away from critical components during sustained breaking work, helping to keep the tool within safe operating temperatures. By improving thermal management, it supports reliable performance and reduces thermal stress that can shorten component life. As a direct-fit replacement matching OEM No. 490796-00, it installs in place of the original unit to restore proper cooling performance. Suitable for site, workshop, and home use, it is a practical choice for tradespeople and DIY users who need dependable heat control in heavy-duty demolition tools.
Key Features:
- Genuine Part for DeWalt/Black & Decker, matched to OEM standards for fit and function
- Aluminium alloy construction for effective heat dissipation and low weight
- Finned design helps increase surface area to shed heat during long duty cycles
- Direct replacement for OEM No. 490796-00 to maintain original performance
- Supports tool safety by helping prevent overheating and thermal cut-outs
- Durable build suited to demanding demolition work and site environments
- Precise fit for the specified models to simplify refitting with existing fixings
- Helps prolong service life of surrounding components by reducing thermal load
Typical Applications:
Used during maintenance or repair of DeWalt demolition hammers to restore cooling efficiency. Ideal for tools operating in continuous breaking, trenching, or concrete removal where heat build-up is common. Helps maintain consistent performance on construction sites, in plant hire fleets, and in professional or DIY workshop settings.
Also known as:
Cooling fin block, thermal radiator, heat dissipation block, motor heat sink, tool cooler, thermal sink, heat spreader for demolition hammers, cooling plate for breakers.
Fits Models:
D25980, D25981
Alternate Part Numbers:
490796-00, 490796 00
Product Specifications
| L&S Part No. | 490796-00 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | DeWalt/Black and Decker |
| OEM No. | 490796-00 |
| Unit of Sale | 1 |
| Applications | D25980, D25981 |
| Machine Type | Power Demolition Tools |
| Fits Brands | Black & Decker, DeWalt |
| Fits Models | D25980 Type 1 | D25980 Type 2 | D25980 Type 3 | D25980 Type 4 | D25981 | D25981 Type 1 |
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
