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Red Dell Inspiron 3421 5421 palmrest with touchpad and power button board

DELL

DELL Inspiron 3421 5421 Palmrest Touchpad Assembly JTK67 Red

SKU CH-CEJH-9KDF2

Red palmrest and touchpad assembly with power-button board fits 14-inch Inspiron 3421 and 5421 models

  • Genuine Dell OEM part ensures exact fit for Inspiron 3421 and 5421 models
  • Includes touchpad, mouse buttons and power button board with ribbon cables for complete repair
  • Red finish matches original laptop colour scheme
  • New condition guarantees reliable performance and longevity
  • Dell part number JTK67 confirms correct component identification

Compatible Dell Inspiron Models

This genuine Dell palmrest assembly replaces the original part on Inspiron 14 3421 and Inspiron 14R 5421 laptops. It arrives new in the red finish matching those chassis. The unit includes the touchpad, mouse buttons, power button board and their ribbon cables for a complete swap.

Thermal Noise and Power Characteristics

As a passive input component the assembly generates no heat and draws no power of its own. Operation is silent because there are no moving parts or fans. Installing it does not change the laptop’s thermal profile or battery consumption.

Build Fit and Freedoms

The part fits directly into the existing palmrest cutout on the listed Inspiron models using the original screw points. Ribbon connectors align with the motherboard headers so no adapters are required. Replacing the assembly restores full touchpad and power button function without modifying surrounding components.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $18.99
Typical for this category: the median of 8,808 items is $16.99.

Specifications

Product
Brand nameDell

Questions about this item

How do I install the palmrest assembly on my Inspiron 3421, and which step is often missed?

Remove the keyboard and bottom case screws, disconnect the old palmrest ribbon cables, then connect the new touchpad and power button ribbons before securing the assembly; the step often missed is fully seating both ribbon connectors.

What maintenance or replacement will the touchpad and power button board need later?

The touchpad surface may wear from friction over time, and the ribbon cables can fatigue if the lid is opened repeatedly; replace the assembly if clicking becomes inconsistent or the pointer drifts.

What limit appears first under sustained use of the palmrest assembly?

Continuous pressure on the mouse buttons and touchpad can accelerate switch fatigue and ribbon stress, leading to intermittent clicks or cursor drift before the structural plastic shows wear.

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