Car Seat Extension Cushion With Thigh Support (17 in)

Car Seat Extension Cushion With Thigh Support (17 in)

Black
$89.99
Skip to product information
Car Seat Extension Cushion With Thigh Support (17 in)

Car Seat Extension Cushion With Thigh Support (17 in)

$89.99

Extends Support Beyond Short Factory Seat Cushions

44 × 38 cm Low-Profile Seat Design

Perforated Artificial Leather Surface

Designed For Simple Seat-Mounted Installation

Helps Protect The Original Seat Surface

Check Seat Dimensions & Attachment Access Before Ordering

In stock
Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Product Details
  • Removable vehicle seat cushion with front thigh-support extension
  • Designed to extend the usable front area of an existing seat cushion
  • Also provides an additional protective layer over the factory seat surface
  • Perforated surface design
  • Cotton filling
  • Low-profile construction
  • Item type: Seat Covers & Supports
  • Model: C43409
  • Package quantity: 1 cushion
Specifications & Materials

Overall Length: 44 cm / 17.3 in
Width: 38 cm / 15.0 in
Front Support Section: Approximately 18 cm / 7.1 in as shown in supplier imagery
Outer Material: Artificial leather
Filling: Cotton
Thickness: Standard
Surface: Perforated
Season: Four-season use
Supplier-Listed Colors: Black, White, Brown
Quantity: 1 piece

Color Note: Exact shade may differ from factory vehicle upholstery and may appear different under varying lighting or displays.

Installation & Compatibility
  • Intended for installation over an existing vehicle seat
  • Uses retaining components positioned around the seat base / seat gap area
  • No permanent upholstery modification is shown in the supplied installation materials
  • Measure the seat before ordering
  • Compare the seat with the cushion's 44 × 38 cm dimensions
  • Confirm that suitable attachment access exists around the seat
  • Confirm that installation does not interfere with the seatbelt buckle, adjustment controls, seat movement, or normal pedal operation
  • Vehicle-specific fit is not guaranteed
  • Some seat designs with enclosed backs, unusual contours, or inaccessible mounting areas may not be suitable
  • Recheck the cushion position after installation and reposition if it does not remain centered and secure
  • Package includes 1 seat cushion with the supplied retaining components

More Support Where Short Seats End

Some factory seats simply stop sooner than you would like.

The 44cm Car Seat Extension Cushion adds a shaped support section at the front of your existing seat, helping create a longer usable seating surface beneath the thighs without permanently modifying the vehicle.

Its low-profile design sits over the factory cushion rather than functioning like a thick booster, making it a practical option for drivers who want a more supported seating position while preserving the look of the original interior.

Check Your Seat Before Ordering

Vehicle seats vary significantly, so correct fit depends on more than the make or model of the vehicle.

The cushion measures approximately 44 cm long × 38 cm wide, with supplier imagery showing an approximately 18 cm curved front-support section.

Before ordering, compare these measurements with your existing seat and inspect the area between the seat base and backrest for suitable attachment access.

Works Best With:

  • Standard front seats with a clearly defined seat base
  • Seats with accessible gaps or areas for the retaining attachments
  • Seat surfaces wide enough to support the 38 cm cushion
  • Seating positions where the front extension does not obstruct normal controls or pedal movement

May Not Suit:

  • Seats with fully enclosed or blocked rear cushion areas
  • Unusually narrow, wide, deeply contoured, or specialty seats
  • Seats where the retaining components cannot be positioned securely
  • Configurations where the cushion interferes with adjustment controls
  • Drivers requiring a thick booster-style cushion

Fit is vehicle and seat dependent. Measure and inspect your seat before purchase.

Shaped To Extend The Existing Seat

Instead of simply adding another layer of padding, the cushion uses a curved front section designed to continue beyond the original seat edge.

The extended area sits beneath the thighs while the main cushion rests over the factory seating surface, creating a more continuous seating profile.

A perforated artificial leather exterior helps maintain an automotive appearance while the cotton-filled construction adds cushioning without turning the seat into an oversized booster.

Designed To Stay Integrated With The Seat

The cushion uses retaining components positioned around the vehicle seat rather than relying solely on the cushion's weight.

For the best result, each attachment must be seated securely and the cushion should lie flat and centered before driving.

Because seat construction varies, some vehicles may require more positioning adjustment than others. After installation, confirm that the cushion remains stable and does not interfere with the seatbelt buckle, seat controls, adjustment mechanisms, or normal pedal operation.

Practical Protection For Everyday Driving

The cushion also creates a removable layer between you and the original seat surface, helping reduce direct everyday contact with the factory upholstery.

Its perforated surface, stitched panels, and automotive-style profile are designed to blend naturally with the surrounding interior rather than look like a bulky aftermarket cushion.

Choose the available color that most closely complements your vehicle interior. Exact color matching to factory upholstery should not be expected.

Who This Cushion Is For

A Good Choice If You:

  • Feel that your vehicle's seat base ends too early beneath your thighs
  • Want a removable way to extend the usable seat surface
  • Prefer a low-profile cushion instead of a thick booster
  • Want additional coverage over the factory seat
  • Have suitable attachment access around the seat base

This May Not Be For You If You:

  • Need a full replacement seat or upholstery system
  • Want a thick height-raising cushion
  • Have no usable mounting access around the seat
  • Have a highly sculpted or unusually sized seat
  • Cannot maintain full clearance around seat controls and pedals after installation

Fit should be confirmed before use.

Frequently asked questions

Will this fit every vehicle?

No. The cushion is designed for broad vehicle use, but seat dimensions, shapes and attachment areas vary. Measure your seat and confirm that suitable mounting access is available before ordering.

What size is the cushion?

The specifications list the cushion at approximately 44 cm long × 38 cm wide, or 17.3 × 15.0 inches. Supplier imagery also shows an approximately 18 cm / 7.1 in front support section.

What does the cushion actually do?

It extends the usable front portion of the existing seat surface so more of the thigh area can rest over the seat rather than extending beyond a short factory cushion.

Is this a thick booster cushion?

No. It is designed as a relatively low-profile seat extension and protective cushion rather than a thick height-raising booster.

How does it stay in place?

The design uses retaining components positioned around the vehicle seat. Their effectiveness depends on the seat having suitable attachment areas and the cushion being correctly positioned.

Can I use it with heated or ventilated seats?

The surface is perforated, but the manufacturer has not provided a verified heating or ventilation performance specification. Seat heating or ventilation may feel different with an additional layer over the factory upholstery.

Will the color exactly match my factory upholstery?

Not necessarily. Automotive upholstery varies significantly between manufacturers and model years. Choose the closest available color, but expect possible differences in shade and texture.

What should I check after installing it?

Sit in your normal driving position and confirm that:

  • The cushion remains centered
  • The retaining components are secure
  • The seatbelt buckle remains accessible
  • Seat adjustment controls operate normally
  • The cushion does not interfere with pedal movement
  • Your normal driving position remains comfortable

If the cushion cannot be positioned securely without interfering with vehicle operation, discontinue use.