Bose QuietComfort 45 Cushion Kit Black Replacement — main product image

Bose QuietComfort 45 Cushion Kit Black Replacement

Bose

Bose QuietComfort 45 Cushion Kit Black Replacement

Name: Bose QuietComfort 45 Cushion Kit Black Replacement
Brand: Bose
SKU: QuietComfort 45

★★★★★4.5 (116 reviews)

Restore the acoustic seal that makes QC45 noise cancellation actually work — genuine replacement cushions that snap in and seal out.

$49.00*

✓ In Stock on Amazon.com

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*Price sourced from Amazon.com. Last updated:Jun 20, 2026.Price and availability are subject to change.

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Overview

The Bose QuietComfort 45 cushion kit addresses a predictable failure point in premium headphones: the ear cushion material degrades over time through compression, skin oil exposure, and UV breakdown, and when it does, it takes the headphone's acoustic isolation — and therefore its noise cancellation effectiveness — with it. These replacement cushions restore the original physical seal between the ear cup and the listener's head, which is the mechanical foundation the QC45's ANC system depends on. Without that seal, active noise cancellation cannot compensate for ambient sound leaking in around the cushion perimeter.

The cushions install via a friction-fit track system that requires no tools and no adhesive — the attachment mechanism is the same used in factory assembly. Material composition matches the original soft protein leather finish that balances comfort against durability. The acoustic geometry — depth, angle, and density of the foam core — is OEM-spec, meaning the restored seal matches what Bose engineered the ANC tuning around. For QC45 owners dealing with peeling, cracked, or compressed originals, this is a straightforward part replacement that returns a functioning, premium headphone to service.

Key Features

Replace lost or damaged ear cushions for your QC45 headphones with a new pair.

Easy to install, they form a critical acoustic seal to give you an extra level of quiet.

Cushions compatible with: Bose QuietComfort 45 headphones

Specifications

Compatible Model

Bose QuietComfort 45

Color

Black

Quantity

1 pair (2 cushions)

Installation

Tool-free friction-fit

Function

Acoustic seal / comfort restoration

Pros & Cons

👍 Pros

Restores the precise acoustic seal geometry that the QC45's ANC system was tuned around — not an approximation, the actual OEM spec.
Tool-free installation that seats correctly first try without needing to force or pry the ear cup assembly.
Revives comfort on headphones where cushion degradation — hardening, peeling, or flattening — has made extended listening sessions uncomfortable.
Dramatically cheaper than replacing the headphones entirely when the only failure is cushion wear.

👎 Cons

Only compatible with the QC45 — if you own a different Bose model, this kit is the wrong part and won't fit.
Available only in Black; users with alternative colorway QC45 units cannot match the original appearance.
Cushion material will eventually wear again under the same conditions that degraded the originals — the 90-day replacement cycle doesn't change the underlying material longevity.
No tools, instructions, or documentation included in the kit — the friction-fit installation is straightforward but undocumented for first-time buyers.

Frequently Asked Questions

Will these cushions fit any Bose headphone other than the QC45?

No. These are designed exclusively for the Bose QuietComfort 45. The attachment mechanism and acoustic geometry are specific to that model — they will not correctly seat on QC35, QC35 II, or NC 700 headphones.

How do I install the replacement cushions on my QC45?

Installation is tool-free. The cushions attach via a friction-fit track that runs around the ear cup rim. Start at one edge, align the inner lip to the groove, and press firmly around the circumference until fully seated. The process takes under two minutes per ear.

Will worn-out cushions actually degrade noise cancellation performance?

Yes, measurably. The cushions create the acoustic seal that ANC relies on to isolate your ear from ambient sound. Cracked, flattened, or peeling cushions allow ambient noise to bypass the ANC system entirely, reducing isolation even when ANC is active.

Are these OEM Bose cushions or third-party replacements?

These are genuine Bose replacement cushions sold under the Bose brand, designed to restore the original acoustic and comfort specification of the QC45.

How long do replacement cushions typically last before needing to be replaced again?

Lifespan depends heavily on usage frequency and skin chemistry. With daily use, the protein leather material typically begins to show wear after 12–24 months. Infrequent users can expect significantly longer service life.